| Customization: | Available |
|---|---|
| Resistance: | Fixed Resistor |
| Function for Resistance: | Protective Resistor, Load Resistor |
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Super heat dissipation, small, linear temperature coefficient.
Instant overload capability, low noise, without annual shift on resistance value.
Flameproof, light weight, paint Color off-white Noncombustible finish.
Type |
resistor dimension (mm) (Resistor dimension Max) |
Resistance Range | Insulation Voltage (DcorAC peakvalue) |
|||
| ΦD±0.5 | L±1.5 | I±1.5 | Φd±0.05 | KNP / RX21 | ||
| RX21-5W/7WS | 8 | 24 | 25 | 0.4 | 0.1~500Ω | 500V |
| RX21-7W/10WS | 8 | 31 | 25 | 0.50 | 0.1~500Ω | |
| RX21-10W | 8 | 36 | 25 | 0.60 | 0.1~500Ω | |
| RX21-15W | 8 | 41 | 25 | 0.75 | 0.1~1KΩ | |
| RX21-20W | 8 | 51 | 25 | 0.75 | 0.1~1KΩ | 1000V |
| RX21-30W | 8 | 61 | 25 | 0.75 | 0.1~1KΩ | |
| CHARACTERISTICS | SPECIFICATIONS | TEST METHODS |
DC RESISTANCE |
±5% (J grade) ±2%(G grade),±10% (K grade) |
TA 25ºC |
TEMPEPATURE COEFFICIENT |
R≥10Ω ±300PPM/ºC 10Ω>R>5Ω ±500PPM/ºC R<5Ω No specification |
R2-R1 1/ºC R1(T2-T1) RESISTANCE VALUE AT ROOM TEMPERATURE(T1) RESISTANCE VALUE AT ROOM TEMPERATURE+100ºC(T2) |
DIELECTRIC WITHSTANDING VOLTAGE |
NO EVIDENCE OF FLASHOVER MECHANICAL AMAGE,ARCING OF INSULATION BREAKDOWN |
RESISTORS SHALL BE CLAMPED IN THE TROUGH OF A90°METALLIC V-BLOCK AND SHALL BE TESTED AT SPECIFIED IN THE ABOVE LIST FOR 60 SECONDS |
INSULATION RESISTANCE |
1000MΩ MIN |
R≥1GΩ |
| HUMIDITY |
ΔR≤±(2%RO+0.1Ω) | TEMPERATURE RESISTANCE CHANGE AFTER A 1000HOURS EXPOSURE IN AHUMIDITY TEST CHAMBER CON-TROLLED AT 40±2ºC AND 90-95%RELATIVE HUMIDITY |
| ENDURANCE AT 70ºC | ΔR≤±(5%RO+0.1Ω) |
70°C, apply rated DC voltage for 1.5 hours, stop for 0.5 hours, repeat for 1000 hours total duration, with inspections at 48h, 500h, and 1000h. |
CHARACTERISTICS |
SPECIFICATIONS |
TEST METHODS |
OVERLOAD |
ΔR≤±(2%RO+0.05Ω) |
POWER RATED×10TIMES,5S |
DAMP HEAT STEADY STATE |
ΔR≤±(5%RO+0.1Ω) |
Temperature 40±2ºC, relative humidity 90-95% in a constant temperature chamber, apply rated DC voltage for 1.5 hours, stop for 0.5 hours, and maintain continuously for 1000 hours. |
ENDURANCE |
ΔR≤±(5%RO+0.1Ω) |
PERMANENT RESISTANCE CHANGE AFTER 1000HOURS OPERATING AT RCWV,WITH DUTY CYCLE OF 1.5HOURS ON,0.5HOURS OFF AT 25ºC±2ºC. |
| RESISTANCE TO SOLD HEAT | ΔR≤±(1%RO+0.05Ω) |
DIP THE LEADS OF THE RESISTOR INTO SN STOVE THE DEPTH IS 3.2~4.8MM,THE TEMPERATURE AND THE TIME AS THE TABLE TEMPERATURE DIP TIME 350ºC±10ºC 3.0±0.5 SEC 260ºC±5ºC 10±1 SEC |
SOLDERABILITY |
95%COVERAGE MIN. |
TEST TEMPERATURE OF SOLDER: 235±5ºC DWELL TIME IN SOLDER:2±0.5SEC |
| NONINFLAMMABILITY | NONINFLAMMABLE(NO OPEN FLAME GENERATE) |
LOAD 5MIN ACCORDING TO 5 TIME 10 TIME 16 TIME POWER RATED AND A.C |
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It depends on the order quantity and the season you place the order.
Usually we can ship within 7-8 days for small quantity,and about 30 days for large quantity.
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