WOR Milli Ohm Wire Resistors Shunt Features: 1. Milli ohm. 2. Low inductance. 3. High stability. 4. It is custom-made.
WOR Milli Ohm Wire Resistors Shunt
Product | WOR Milli Ohm Wire Resistors Shunt |
Features | 1. Milli ohm. 2. Low inductance. 3. High stability. 4. It is custom-made. |
Electrical And Mechanical Performance of WOR Milli Ohm Wire Resistors Shunt:
Characteristics | Standards | Test Methods |
Resistance Tolerance | ±5%(J) or ±2%(G) | - |
Resistance Temp Coeff. | CNALLOY:±200ppm/°C CN3CW:±200ppm/aC CMW:±50ppm/8C CN4州:±50ppmfC | . |
Power Rating Load | Surface temp. 275°C Max.△R/R≤±1% | Rated voltage for 30 minutes |
Short Time Overioad | ±2% | 10 times of rated wattage for 5 seconds.
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Solder-ability | Minimum95%coverage | 235±5*C for 2 seconds |
Resistance to Soldering Heat | No evidence of mechanical damage.△R/R≤±1% | 270 ±5°Cfor 10 ±1 seconds 350 ± 10°C for 3.5 ±05 seconds |
Environmental Characteristics of WOR Milli Ohm Wire Resistors Shunt:
Characteristics | Standards | Test Methods |
Temp. Cycle | △R/R≤±1% | -55*C( 30 min.) —♦ Room Tenp.( 3 min.) —♦ *200°C(30min.) —♦ Room Tenp.( 3 min.)/(5 cycles) |
Load Life | △R/R≤±3% | Rated power load 90 minutes ON 30 minutes OFF 70'C 1000 hours |
Moisture-proof Load Life | △R/R≤±2% | Rated power load 90 minutes ON 30 minutes OFF 4O'C95%RH 250 hours |
Forming Type of WOR Milli Ohm Wire Resistors Shunt:
Derating Curve of WOR Milli Ohm Wire Resistors Shunt:
For resistors operated in ambient temperatures above 70,power rating must be derated in accordance with the curve below.
Surface Temperature Rise of WOR Milli Ohm Wire Resistors Shunt: