Product Description
Patch Resistor is a pure alloy high power current sensing resistor designed for accurate current detection. It features SMD surface mount installation, high power handling capabilities, and ultra-low resistance values, as low as 0.0R. These resistors are ideal for applications requiring precise current monitoring and are built to withstand demanding environments.
Product Attributes
- Brand: Not specified (implied by part number prefix JER)
- Origin: Not specified
- Material: Pure Alloy
- Certifications: RoHS, REACH, AEC-Q200
Technical Specifications
| Type | Rated Power (W) | Resistance Range (m) | TCR (ppm/) | Insulation Resistance (> M) | Size |
| 1206 | 1W | 1m ~ 100m | 1m: 350; 2m~100m: 50 | >100 | 1206 |
| 1206 | 0.5W | 110m ~ 200m | 50 | >100 | 1206 |
| 2512 | 2W | 0.5m ~ 500m | Large electrode 1m~4m: 50; 0.5m: 350; 2m~500m: 50 | >100 | 2512 |
| 2512 | 3W | 0.5m ~ 500m | Large electrode 1m~4m: 50; 0.5m: 350; 2m~500m: 50 | >100 | 2512 |
| 0805 | 0.25W | 1m ~ 20m | 350 | >100 | 0805 |
| 0805 | 0.5W | 2m ~ 20m | 50 | >100 | 0805 |
| Type | L (mm) | W (mm) | T (mm) | E (mm) |
| 1206 | 3.200.20 | 1.600.20 | 0.600.20 | 0.500.20 |
| 2512 | 6.400.20 | 3.200.20 | 0.800.20 | Large electrode: 2.200.20; Small electrode: 0.900.20 |
| 0805 | 2.000.20 | 1.250.20 | 0.600.20 | 0.400.20 |
| Item | Test Method | Condition | Standard/Norm | Requirement |
| Short Time Overload | IEC60115-1 4.13 | Applied 5.0 times of rated power for 5 seconds, rest 5 seconds | R% 1% | |
| Temperature Coefficient | IEC60115-1 4.8 | Resistance at room temperature (R0), +125 or +155 (R) | Refer to Spec. Sheet | |
| Temperature Cycling | JESD22 Method JA-104 | 1000 Cycles (-55 to +125), measurement 244 hours after test conclusion | R% 1% | |
| High Temperature Exposure | MIL-STD-202 Method 108 | 1000 hrs @ 125, measurement 244 hours after test conclusion | R% 1% | |
| Low Temperature Operation | IEC60115-1 4.23.4 | 45 min. @ -55, measurement after test conclusion | R% 1% | |
| High Temperature and High Humidity | MIL-STD-202 METHOD 103 | 1000 hours 85/85%RH, 10% of operating power, measurement 244 hours after test conclusion | R% 1% | |
| Weldability | J-STD-002B test B | Dip in flux, then solder bath at 245 5 for 2~3 sec | Min 95% coverage | |
| Operational Life | MIL-STD-202 METHOD 108 | 702, rated current 1.5H on, 0.5H off, repeated for 1000 +48/-0 hours, measurement before and after test | R% 1% | |
| Resistance to Vibration | MIL-STD-202 METHOD 204 | 5g's for 20min, 12 cycles, 10-2000Hz, measurement before and after test | R% 1% | |
| Resistance to Solder Heat | IEC60115-1 4.18 | Dip in flux, then solder bath at 260 5 for 101 sec, measurement before and after test | R% 1% (Appearance no damage) | |
| Terminal Bending | AEC-Q200-005 | Min 2mm deflection, 60 sec, measurement before and after test | R% 1% | |
| Mechanical Shock | MIL-STD-202 METHOD 213 | 100g's, 6ms, half sine shock pulse, measurement before and after test | R% 1% | |
| Terminal Strength | AEC-Q200-006 | Applied 17.7N (1.8Kg) for 601 seconds | R% 1% | |
| Thermal Shock | MIL-STD-202 METHOD 107 | -55/+125, 300 cycles, 20 sec max transfer time, 15 min dwell time, Air-Air, measurement before and after test | R% 1% | |
| Flammability | UL-94 | V-0 or V-1 | Acceptable. Electrical test not required. | |
| ESD Test | AEC-Q200-002 | 2KV, 2 times/1s | R% 1% |
2509291710_JIERR-RE2512F2R400_C52033636.pdf
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