Wire wound resistor - - Sichuan Yongxing Electronics Co., Ltd

Product Features：

The advantages include low working noise, stable resistance, low temperature coefficient, and good heat resistance.

Product parameters：

Model and power	Standard Resistance Range（Ω）	Resistance Tolerance（%）	Nominal resistance series	Operating temperature range（℃）	Temperature coefficient of resistance（×10^-6/K）
RXGK12-50W	0.1~13.3k	±1	E96	-55~250	≤±650（0.1Ω≤R≤0.499Ω）≤±400（0.499Ω<R≤1.0Ω） ≤±50（1.0Ω<R≤10Ω） ≤±30（10Ω<R）

project	Inspection method	Performance Requirement
Temperature shock	（- ~+）℃，50Secondary cycle	No mechanical damage, resistance change less than±（0.2%R+0.005Ω）
Low temperature storage	-（55±2）℃，（24±4）h	No mechanical damage, resistance change less than±（0.1%R+0.005Ω）
Terminal tensile strength	pulling：45N，（5~10）s Twist: Bend the lead out end to 90 °, rotate 360 °, 3 times
impact	1000m/s²，6ms，2.96m/s，Backpeak sawtooth wave
High-frequency vibration	（10~2000）Hz，0.75mm，200m/s²，12h
random	4（m/s²）²/Hz，75.6m/s²，3 directions for a total of 15 minutes	No mechanical damage, resistance change less than±（0.2%R+0.005Ω）
life	(25 ± 5) ℃, UR, 1.5h on, 0.5h off,10000h	No mechanical damage, resistance change less than±（1%R+0.005Ω）
High temperature exposure	（250±7）℃，h	No mechanical damage, R>100 Ω, resistance change less than ± 1% R; R ≤ 100 Ω, resistance change less than ± (1% R+0.005 Ω)
Resistance temperature characteristics	-55℃~250℃	≤±650×10^-6/K（0.1Ω≤R≤0.499Ω）≤±400×10^-6/K（0.499Ω<R≤1.0Ω） ≤±50×10^-6/K（1.0Ω<R≤10Ω） ≤±30×10^-6/K（R>10Ω）
short-time overload	2U_R，5s	No flashover, combustion, charring, or mechanical damage, with resistance changes less than ± (0.2% R+0.005 Ω)
Moisture resistance	Load voltageU_R，polarization voltage100V_DC	No mechanical damage, resistance change less than±（0.2%R+0.005Ω），R_I≥100MΩ
Dielectric Withstanding Voltage	Normal atmospheric pressure: 1500VAC, 1min, low atmospheric pressure: 100VAC, 1min, 1.06kPa	No flashover or breakdown, leakage current less than 0.5mA, resistance change less than±（0.1%R+0.005Ω）
insulation resistance	100V_DC	R_I≥1GΩ

Quality Grade：Yugao

application：

Mainly used in low-frequency AC circuits, with functions such as voltage reduction, shunt, load, feedback, and energy conversion, it is widely used in aviation, aerospace, shipbuilding, weapons, automotive industry, industry, and other fields.

RXGK12.pdf

RXGK12 type with aerospace grade power type wire wound fixed resistor (Yugao)

Product Features：The advantages include low working noise, stable resistance, low temperature coefficient, and good heat resistance.Product parameters：Model and powerStandard Resistance Range（Ω）Resistance Tolerance（%）Nominal resistance seriesOp…

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Product features:

Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.

Product Parameter:

Model and power	Nominal resistance range is (Ω)	The resistance value allows for the deviation of (%)	Nominal resistance series	Operating temperature range is (℃)	Temperature coefficient (10^-6/K ）
RXGK21-8W	0.1~1540	±1	E96	-55~250	±650（0.1Ω≤R≤0.499Ω ）±400（0.499Ω<R≤1.0Ω ） ±50（1.0Ω<R≤10Ω ） ±30（R>10Ω ）

project	method of calibration	performance requirement
temperature ictus	(- ~+)℃, 50 cycles	No mechanical damage, resistance change less than ± (0.2%R + 0.005 Ω)
low tempertaure storage	-（55±2）℃，（24±4）h	No mechanical damage, resistance change less than ± (0.1%R + 0.005 Ω)
Lead-end strength	Tension force: GJB 360B Method 211 condition A, (5~10) s Torsion: the lead end is bent into 90°, rotated 360°, 3 times
lash	1000m/s², 6ms, 2.96 m/s, posterior peak zigzag wave
dither	（10~2000）Hz ，0.75mm ，200m/s²，12h
random vibration	4（m/s²）²/Hz ，75.6m/s², 3 orientations, for a total of 15min	No mechanical damage, resistance change less than ± (0.2%R + 0.005 Ω)
life span	（25±5）℃，U_R, 1.5h pass, 0.5h broken, 10000h	No mechanical damage, resistance change less than ± (1%R + 0.005 Ω)
High temperature exposure	（250±7）℃，h	No mechanical damage, R> 100 Ω, resistance change less than ± 1%R; R 100 Ω, resistance change less than ± (1%R + 0.005 Ω)
resistance-temperature characteristic	-55℃~250℃	±650×10^-6/K （0.1Ω≤R≤0.499Ω ），±400×10^-6/K （0.499Ω<R≤1.0Ω ）， ±50×10^-6/K （1.0Ω<R≤10Ω ）， ±30×10^-6/K （R>10Ω ）
Short-time overload	For 5s, 2 x the rated power	No flying arc, combustion or burning and mechanical damage, and the resistance value change is less than ± (0.2%R + 0.005 Ω)
moisture-proof	load voltage U_R, Polarization voltage of 100V_DC	There was no mechanical damage, and the resistance value changed less than ± (0.2%R + 0.005 Ω), R_I≥100MΩ
Medium voltage resistance	Normal atmospheric pressure: 1,000 V_AC, 1min; low pressure: 100V_AC，1min ，1.06kPa	No flying arc or breakdown, leakage current less than 0.5mA resistance change less than ± (0.1%R + 0.005 Ω)
insulation resistance	100V_DC	R_I≥1GΩ

Quality grade: Yu high

Product application:

Mainly used in low frequency AC circuit, the function is antihypertensive, diversion, load, feedback, energy transfer, etc., widely used in aviation, aerospace, ships, weapons, automobile industry, industry and other fields.

RXGK21.pdf

RXGK21 with aerospace power wire-wound fixed resistor (Yugao)

Product features:Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.Product Parameter:Model and powerNominal resistance range is (Ω)The resistance value allows for the deviation of (%)Nominal resista…

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Product features:

Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.

Product Parameter:

Model and power	Nominal resistance range is (Ω)	The resistance value allows for the deviation of (%)	Nominal resistance series	Operating temperature range is (℃)	Temperature coefficient (10^-6/K ）
RXG12-5W	N ：2~1.5k G ：1~3.01k	±1 ±2 ±5	E96	-55~250	R≥20：≤±30 1Ω≤R≤19.6Ω ：≤±50
RXG12-10W	N ：2~2.21k G ：1~4.42k
RXG12-20W	N ：2~4.32k G ：1~8.66k
RXG12-30W	N ：2~13k G ：1~26.1k
RXG12-50W	N ：2~13k G ：1~26.1k				R>20：≤±50 1Ω≤R≤19.6Ω ：≤±100

project	method of calibration	performance requirement
moisture-proof	A: load U_R; B: polarization; 100V_DC	∆R≤±（1%R+0.05Ω ），R_I≥1GΩ
lash	1000m/s², 6ms, semi-sine wave, 3.75m / s	R ± (0.2%R + 0.05 Ω), with no mechanical damage
dither	(10~2000) Hz, 0.75mm or 150m / s²，12h
Lead-end strength	Tension force: 5W~10W: 22N, 20W~50W: 44N, 30s; Torsion: the lead end is bent into 90°, rotated 360°, 3 times
life span	（25±5）℃，U_R, 1.5h, 0.5h, 1000h	∆R≤±（1%R+0.05Ω ），R_I1G Ω, with no mechanical damage
Short time overload	5P_R，5s	R ± (0.5%R + 0.05 Ω), with no mechanical damage
temperature ictus	exert U_RUntil the heat is stable, remove the load (8-12) s and put it into the- ℃ low-temperature box for 15min~30min	R ± (0.5%R + 0.05 Ω), with no mechanical damage
High temperature exposure	℃, 2h (50W is not assessed)	R ± (0.5%R + 0.05 Ω), with no mechanical damage
solderability	(235 ± 2) ℃, (5~10) s, flat part completely submerged	The flat part of the lead end shall be completely soldable as the welding area
insulation resistance	100V_DC	R_I≥10GΩ
Medium voltage resistance	Normal air pressure: 5W, 10W, 20W: 1000V_AC， 30W 、50W ：2000V_AC，1min Low pressure: 500V_AC，5min	R ± (0.2%R + 0.05 Ω), no breakdown and flying arc phenomenon

Quality grade: YC, National Army standard, CSAT C, SAST, GJB / K

Product application:

Mainly used in low frequency AC circuit, the function is antihypertensive, diversion, load, feedback, energy transfer, etc., widely used in aviation, aerospace, ships, weapons, automobile industry, industry and other fields.

RXG12.pdf

RXG12 chassis mounted power wire-wound fixed resistor (national military standard)

Product features:Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.Product Parameter:Model and powerNominal resistance range is (Ω)The resistance value allows for the deviation of (%)Nominal resista…

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Product features:

Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.

Product Parameter:

Model and power	Nominal resistance range is (Ω)	The resistance value allows the deviation (%)	Nominal resistance series	Operating temperature range is (℃)	Temperature coefficient (10^-6/K ）
RXG21-0.5W	1~150	±1 ±2 ±5	E96	-55~275	R>10Ω ：≤±50； 1Ω≤R≤10Ω ：≤±100； R <1 Ω: no assessment
RXG21-1W	0.1~332
RXG21-2W	0.1~511
RXG21-3W	0.1~536
RXG21-4W	0.1~1（GJB ）1~1.5k
RXG21-6W	0.1~1（GJB ）1~3.01k
RXG21-8W	0.1~1（GJB ）1~3.32k
RXG21-10W	1~3.6k
RXG21-12W	1~6.2k

project	method of calibration	performance requirement
High temperature exposure	℃，（250±8）h	R ± (1%R + 0.05 Ω), with no mechanical damage
life span	℃，U_R, 2000h, 1.5h and 0.5h	R ± (1%R + 0.05 Ω), with no mechanical damage
low tempertaure storage	（-65±2）℃，（24±4）h	R ± (0.5%R + 0.05 Ω), no mechanical damage
thermal shock	exert P_RUntil the heat is stable, remove the load (8-12) s and put it into the- ℃ cold box for 15min	R ± (0.5%R + 0.05 Ω), no mechanical damage
lash	1000m/s², 6ms, and a semi-sine wave	R ± (0.2%R + 0.05 Ω), no mechanical damage
dither	(10~2000) Hz, 0.75mm or 200m / s²，12h
Lead-end strength	0.5W ：10N ，1W ：25N ，2W ：22.5N ，3W~12W ：45N ，30s
Short time overload	0.5W~3W ：5P_R，4W~12W ：10P_R，5s	∆R≤±（0.5%R+0.05Ω ）
solderability	(235 ± 2) ℃, (5~10) s, about 1.5mm away from the resistor body	95%
insulation resistance	100V_DC	R_I≥1000MΩ
Resistance temperature characteristics (10^-6/K ）	-55℃~275℃	R> 10 Ω: ± 50,1 Ω R 10 Ω: ± 100, R <1 Ω: no assessment
Medium voltage resistance	0.5W ：300V_AC，1W~2W ：500V_AC，3W~12W ：1000V_AC	No breakdown, flying arc phenomenon, R ± (0.2%R + 0.05 Ω)
moisture-proof	A, Load, 85%P_R, B, polarization, 100V_DC	R ± (0.5%R + 0.05 Ω), no mechanical damage

Quality grade: YC, National Military Standard, CSAT C, SAST, GJB / K, GJB / K₊

Product application:

Mainly used in low frequency AC circuit, the function is antihypertensive, diversion, load, feedback, energy transfer, etc., widely used in aviation, aerospace, ships, weapons, automobile industry, industry and other fields.

RXG21.pdf

RXG21 power wire-wound fixed resistor (national military standard)

Product features:Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.Product Parameter:Model and powerNominal resistance range is (Ω)The resistance value allows the deviation (%)Nominal resistance ser…

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Product features:

Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.

Product Parameter:

Model and power	Nominal resistance range is (Ω)	The resistance value allows for the deviation of (%)	Nominal resistance series	Operating temperature range is (℃)	Temperature coefficient (10^-6/K ）
RXG721-1W	0.1~150	±1 ±2 ±5	E48	-55~275	R>10Ω ：≤±50； 1Ω≤R≤10Ω ：≤±100； R <1 Ω: no assessment
RXG721-2W	0.1~300
RXG721-3W	0.1~500

project	method of calibration	performance requirement
Short-time overload	5P_R，5s	No flying arc, combustion or coking phenomenon, no mechanical damage, R ± (0.5%R + 0.05 Ω)
solderability	(235 ± 2) ℃, (5~10) s, about 1.5mm away from the resistor body	Tin immersion area 95%
resistance-temperature characteristic	-55℃~275℃	R>10Ω ：TCR≤±50×10^-6/K ，1Ω≤R≤10Ω ：TCR≤±100×10^-6/ K, R <1 Ω: no assessment
Medium voltage resistance	1W/2W ：500V_AC，3W ：1000V_AC	No breakdown, and flying arc phenomenon, R ± (0.2%R + 0.05 Ω)
insulation resistance	100V_DC	R_I≥1000MΩ
Lead-end strength	1W/2W ：25N ，3W ：45N	No mechanical damage, R ± (0.2%R + 0.05 Ω)
lash	1000m/s², 6ms, and a semi-sine wave
dither	（10~2000）Hz ，0.75mm/200m/s²，12h
High temperature exposure	℃，（250±8）h	No mechanical damage, R ± (1%R + 0.05 Ω)
life span	℃，U_R, 1.5h power on, 0.5h power off, 2000h	No mechanical damage, R ± (1%R + 0.05 Ω)
moisture-proof	RH: (90~100)%, load: 85%U_R, Polarization: 100V_DC	No mechanical damage, R ± (0.5%R + 0.05 Ω), R_I≥100MΩ
low tempertaure storage	（-65±2）℃，（24±4）h	No mechanical damage, R ± (0.5%R + 0.05 Ω)
thermal shock	exert P_RUntil the heat is stable, remove the load (8-12) s and put it into the- ℃ cold box for 15min	No mechanical damage, R ± (0.5%R + 0.05 Ω)

Quality grade: YC, NSC, CSAT C, SAST, SAST G, QJB / K

Product application:

Mainly used in low frequency AC circuit, the function is antihypertensive, diversion, load, feedback, energy transfer, etc., widely used in aviation, aerospace, ships, weapons, automobile industry, industry and other fields.

RXG712.pdf

RXG712 power wire-wound fixed resistor (national military standard)

Product features:Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.Product Parameter:Model and powerNominal resistance range is (Ω)The resistance value allows for the deviation of (%)Nominal resista…

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RX wire-wound resistor

Product features:Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.Product Parameter:Model and powerNominal resistance range is (Ω)The resistance value allows the deviation (%)Operating temperature …

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Product features:

Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.

Product Parameter:

Model and power	Nominal resistance range is (Ω)	allowable deviation (%)	Operating temperature range is (℃)	Temperature coefficient (10^-6/K ）
RX21-0.5W	0.1~510	R≥10Ω ：±2； 1Ω≤R<10Ω ：±5； R<1Ω ：±10	-55~155	R>10Ω ：≤±250； 5Ω≤R≤10Ω ：≤±500； R <5 Ω: no assessment
RX21-1W	0.1~3k
RX21-2W	0.1~4.3k
RX21-3W	0.1~4.3k
RX21-4W	0.1~10k
RX21-5W	0.1~12k
RX21-6W	0.1~15k
RX21-8W	0.1~20k
RX21-10W	0.1~22k
RX21-12W	0.1~33k
RX710-1W	0.1~1.4k	0.1Ω≤R<1Ω ：±0.01 51Ω≤R≤12.4kΩ ：±0.25、±0.5、±1、±5 10Ω≤R≤12.4kΩ ：±0.5、±1、±5 1Ω≤R≤12.4kΩ ：±1、±5		R≥10Ω ：≤±100； R <10 Ω: no assessment
RX710-2W	0.1~1.69k
RX710-3W	0.1~4.02k
RX710-5W	0.1~12.4k
RX710T-5W	1~75	0.1Ω≤R<1Ω ：±0.01 1Ω≤R≤75Ω ：±5

RX21
project	method of calibration	performance requirement
solderability	RoHS ：（260±5）℃，（2±0.5）s Non-RoHS: (235 ± 5) ℃, (2 ± 0.5) s Dipping depth (away from the component body): mm	95%
Lead-end strength	0.5W ：10N ，1W~12W ：20N ，（10±0.5）s	R ± (1%R + 0.05 Ω) with no visible damage
Welding heat resistance	（350±10）℃，（3.5±0.5）s
The temperature changes rapidly	(-55~ + 155) ℃, 3 cycles
vibrate	(10~500) Hz, 0.75mm or 98m / s²，6h
lash	490m/s², 11ms, with a semi-sine wave
overload	10P_R，5s
The order of climate	Dry hot, hot and heat, cold, low pressure, hot and heat	R ± (5%R + 0.1 Ω) with no visible damage
155℃ Durability	155℃，58.5%U_R，1000h	R ± (5%R + 0.1 Ω) with no visible damage

RX71/RX710T
project	method of calibration	performance requirement
The temperature changes rapidly	(-55~ + 155) ℃, 3 cycles	R≥100Ω ，∆R≤±0.5%R ； R <100 Ω, R ± (0.5%R + 0.05 Ω); no visible damage
Steady state damp heat	（40±2）℃，RH ：（93±3）%，48h
Short-term load	（15~35）℃，P_R，24h
solderability	RoHS ：（260±5）℃，（5±0.5）s Non-RoHS: (235 ± 5) ℃, (5 ± 0.5) s Imsion depth as RX 21	90%
Welding heat resistance	（350±10）℃，（3.5±0.5）s	R≥100Ω ，∆R≤±0.2%R ； R <100 Ω, R ± (0.2%R + 0.05 Ω); no visible damage
Lead-end strength	Φ0.8mm ，9.8N ；Φ1mm ，20N ，10s
vibrate	（10~500）Hz ，98m/s²，46min
collide	98m/s², 1000 Times
be at odds with the community or the leadership	98m/s²，2min
lash	147m/s², 11ms, 18 times

Quality grade: YC, military products / general army, seven special schools, CSAT C

Product application:

Mainly used in low frequency AC circuit, the function is antihypertensive, diversion, load, feedback, energy transfer, etc., widely used in aviation, aerospace, ships, weapons, automobile industry, industry and other fields.

RX21、RX710、RX710T.pdf

RX21, RX710, RX710T Power Type Wire-wound Resistor

Product features:Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.Product Parameter:Model and powerNominal resistance range is (Ω)allowable deviation (%)Operating temperature range is (℃)Temperatu…

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Product features:

Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.

Product Parameter:

Model and power	Nominal resistance range is (Ω)	The resistance value allows the deviation (%)	Nominal resistance series	Operating temperature range is (℃)	Temperature coefficient (10^-6/K ）
RX24-5W	0.511~3.32k	≥10Ω ：±1、±2、±5； <10Ω ：±5	±1、±2：E48； ±5：E24	-55~275	R≥10Ω ：≤±100； R <10 Ω: no assessment
RX24-10W	0.511~4.42k
RX24-20W/25W	0.511~8.66k
RX24-50W	0.511~26.1k
RX24-50WT	0.1~26.1k	±5、±10	E48

project	method of calibration	performance requirement
insulation resistance	(500 ± 50) V, V-shaped block method	R_I≥100MΩ
temperature rise	（15~35）℃，U_R	≤275℃
Short-term load	（25±10）℃，U_R，100h	∆R≤±（3%R+0.05Ω ）
withstand voltage	5W ，195V_DC；10W ，300V_DC；20W 、25W ，600V_DC；50W ，1200V_DC；50WT ，2500V_AC，1min	No breakdown, flying arc phenomenon
cyclone	5W ，65V_DC；10W ，100V_DC；20W 、25W ，200V_DC；50W ，400V_DC；50WT ，600V_DC，1kPa ，1min	No breakdown, flying arc phenomenon
vibrate	Fixed frequency: 50Hz, 98m / s², 1h in each of the three directions Sweep frequency: (10~500) Hz, 98m / s², Twice in the three directions, 23min each	∆R≤±（1%R+0.05Ω ）
solderability	(235 ± 5) ℃, (5~10) s, flat part completely submerged	95%
Lead-end strength	Two lead ends of the resistor shall be able to withstand a static load of 1kg along the axial direction	∆R≤±（0.5%R+0.05Ω ）
resistance temperature coefficie-nt	-55℃~275℃	R≥10Ω ，≤±100×10^-6/K ； R <10 Ω, not assessed
Constant heat and humidity	（40±2）℃，RH ：（93±3）%，48h	∆R≤±（1%R+0.05Ω ），R_I≥10MΩ
collide	(40~80) times / min, 147m / s², 3000 Times	No mechanical damage, R ± (1%R + 0.05 Ω)
temperature cycle	(-55~275) ℃, 3 cycles	±1%、±2%：∆R≤±（1%R+0.05Ω ） ±5%、±10%：∆R≤±（3%R+0.05Ω ）

Quality level: military products / general army, seven special schools

Product application:

Mainly used in low frequency AC circuit, the function is antihypertensive, diversion, load, feedback, energy transfer, etc., widely used in aviation, aerospace, ships, weapons, automobile industry, industry and other fields.

RX24.pdf

RX24 wire-wound resistor

Product features:Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.Product Parameter:Model and powerNominal resistance range is (Ω)The resistance value allows the deviation (%)Nominal resistance ser…

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RX26 Porcelain Housing Power Type Wire-wound Resistor

Product features:Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.Product Parameter:Model and powerNominal resistance range is (Ω)The resistance value allows for the deviation of (%)Temperature coe…

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RX203 wire-wound resistor

Product features:Small working noise, stable resistance value, small temperature coefficient, and good heat resistance.Product Parameter:Model and powerNominal resistance range is (Ω)Stopped values allow for biasOperating temperature range is (℃)RX2…

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RX205 POWER TYPE WIRE WOUND RESISTOR

Product features:Small working noise, stable resistance value, small temperature coefficient, and good heat resistance. Product Parameter:Model and powerNominal resistance range is (Ω)Operating temperature range is (℃)Stopped values allow for biasRX…

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RX712 Power Type Wire-wound Resistor

Product features:Small working noise, stable resistance value, small temperature coefficient, and good heat resistance. Product Parameter:Model and powerNominal resistance range is (Ω)The resistance value allows the deviation (%)Nominal resistance ra…

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Model and power	Nominal resistance range is (Ω)	The resistance value allows the deviation (%)	Operating temperature range is (℃)	Temperature coefficient (10^-6/K ）
RX-1W	0.01~1	±2 ±5 ±10	-55~155	No assessment
RX-2W
RX-3W
RX-5W

project	method of calibration	performance requirement
Constant heat and humidity	（40±2）℃，RH （）%，96h	R ± (2%R + 0.01 Ω) with no visible damage
temperature cycle	(-55~ + 155) ℃, 3 cycles
mechanical strength	Scan frequency: (10~500) Hz, 98m / s²，12min Impact: 147 m/s², 18 Times Collision: 98 m/s², 1000 Times Centrifugation: 98 m/s²，2min
Lead-end strength	Tension: 10N (Φ 0.7mm), 20N (Φ 0.8mm), (10 ± 0.5) s	∆R≤±（1%R+0.01Ω ）
short-term load	（15~35）℃，P_R，24h	∆R≤±（2%R+0.01Ω ）
room temperature durability	（15~35）℃，P_R，1000h	∆R≤±（5%R+0.02Ω ）

Model and power	Nominal resistance range is (Ω)	The resistance value allows for the deviation of (%)	Temperature coefficient (10^-6/K ）	temperature rise (℃)
RX26-10W	0.51~2.7k	±5、±10	≤±500	≤300
RX26-20W	0.51~3.6k
RX26-30W	1~8.2k
RX26-40W	1~9.1k

project	method of calibration	performance requirement
withstand voltage	700V_AC，（60±5）s	No breakdown and flying arc phenomenon
70℃ durability	（70±2）℃，U_R, 1.5h through, 0.5h broken, 500h	No mechanical damage, R ± (5%R + 0.1 Ω)
Steady state damp heat	（40±2）℃，RH （89~95）%，96h
The temperature changes rapidly	-55℃ / 25℃, 25℃ / 125℃, three times
vibrate	(10~500) Hz, 0.35mm or 50m / s²，2h	No mechanical damage, R ± (1%R + 0.1 Ω)
temperature rise	15℃~35℃，U_R	∆T≤300℃

project	method of calibration	performance requirement
Resistor main body strength	10N ，10s	Resistor has no cracks or fracture
Lead-end strength	20N ，10s	No mechanical damage, R ± (2%R + 0.05 Ω)
The temperature changes rapidly	-55℃ to 150℃, with two cycles	No mechanical damage, R ± (2%R + 0.05 Ω)
vibrate	10 Hz to 500 Hz, 0.35mm or 50m / s²，23min	No mechanical damage, R ± (2%R + 0.05 Ω)
Constant heat and humidity	（40±2）℃，RH （90~95）%，96h	No mechanical damage, R ± (2%R + 0.05 Ω)
durability	（25±10）℃，U_R，1000h	The paint layer is not off, the mark is clear, R ± (10%R + 0.05 Ω)
insulation resistance	100V_DC	R_I≥1GΩ
withstand voltage	500V_AC	No breakdown or flying arc

Model and power	Nominal resistance range is (Ω)	Stopped values allow for bias	Operating temperature range is (℃)
RX203-60W	10~500	±5%	-55~150
RX203-100W
RX203-150W
RX203-200W