Inverter welding machine shunt resistor direct plug U-type shunt alloy resistor
1-5W
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Feature:
1,3,5 Watts
Tolerance ±5%or±1%
TCR±20 ppm/℃ or ±50 ppm/℃
Resistance values down to 0.0025ohms
High temperature proof
Low Inductance
Solderable copper leads
Lead-free
Special tight toleranceare available on request
| Electrical Data | |||||||||
| Power rating at 85℃ | 1 3 5 | ||||||||
| watts | |||||||||
| Resistance range ohms | 0.0050 to 0.010 | 0.003Q to 0.100 | 0.005Q to 0.050 | ||||||
| *Contact factory for values below 0.001 ohm | |||||||||
|
Dimensions Data
|
E | F | |||||||
| Type | W | H | D | ||||||
| YST-SR-1 | 10±1mm | 5±3mm | 3.5±0.7mm | 1.0±0.1mm | 1.65±0.2mm | ||||
| YST-SR-3 | 15±1mm | 20max | 3.5±0.7mm | 1.0±0.1mm | 1.65±0.2mm | ||||
| YST-SR-5 | 20±1mm | 25max | 3.5±0.7mm | 1.0±0.1mm | 1.65±0.2mm | ||||
| performance Data | |||
| TEST | CONDIToNS OFTEST | TEST LIMlTs | |
| Thermal Shock | -55℃ to,100 cycles ,15min at each extreme |
±(1.0%+0.00050△R | |
Shot time overload |
5xrated power for 5s | ±(0.5%+0.00050) | △R |
| Low temperature storage |
-65℃ for 45 min | ±(0.5%+0.00050) | △R |
| High temperature expo-sure |
1000 h at +170℃ | ±(1.0%+0.00050) | △R |
| Bias humidity | +85℃85%RH,10%bias,1000 h | ±(0.5%+0.00050) | △R |
| Mechanical shock | 100 g's for 6 ms,5 pulses | ±(0.5%+0.00050) | △R |
| Vibration | Frequency varied 10 Hz to 200 Hz in 1 min,3directions,12h |
±(0.5%+0.00050) | △R |
| Resistance to | 1000 h at +70℃,1.5 h “ON”,0.5 h | ±(1.0%+0.00050) | △R |
| solder heat | “OFF“ | ||
| Resistance to | +260℃ solder,10s to 12 s dwell,25 m | ±(0.5%+0.00050) | △R |
| solder heat | m/s emergence | ||
| Moisture | MIL-STD-202,method 106,0%power | ±(0.5%+0.00050) | |
| resistance | 7a and 7b not re-quired | △R | |
Power Derating
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