Alloy Resistor - Patch Resistor
High-power alloy current sense resistor designed for current detection with SMD surface mount. Features ultra-low resistance values (down to 0.0R) and high power handling up to 3W. Suitable for automotive electronics, current sensors, power supplies, and consumer electronics.
Product Attributes
- Product Type: Alloy Resistor, Patch Resistor
- Certifications: RoHS, REACH, AEC-Q200
Technical Specifications
| Size | Type | Rated Power (W) | Resistance Tolerance | Resistance Range (m) | Material | TCR (ppm/) | Operating Temperature Range () | Insulation Resistance (M) |
| 2512 | Large Electrode | 2W/3W | F:1%, G:2%, J:5% | <0.45m (R000) | MnCu | 350ppm/ | -55~+170 | 100M |
| 2512 | Large Electrode | 2W/3W | F:1%, G:2%, J:5% | 0.5mR<1m (R0005 to R0009) | MnCu | 350ppm/ | ||
| 2512 | Large Electrode | 2W/3W | F:1%, G:2%, J:5% | 1mR4m (R001 to R004) | MnCu | 50ppm/ | ||
| 2512 | Small Electrode | 3W/4W | F:1%, G:2%, J:5% | 1mR1.5m (R001 to 1R5m) | MnCu | 350ppm/ | ||
| 2512 | Small Electrode | 3W/4W | F:1%, G:2%, J:5% | 2mR20m (R002 to R020) | MnCu | 50ppm/ | -55~+170 | 100M |
| 2512 | Small Electrode | 2W/3W | F:1%, G:2%, J:5% | 20mR150m (R020 to R150) | MnCu | 50ppm/ | ||
| 2512 | Small Electrode | 2W/3W | F:1%, G:2%, J:5% | 150m<R220m (R150 to R220) | CuNi | 50ppm/ | ||
| 2512 | Small Electrode | 2W | F:1%, G:2%, J:5% | 220m<R400m (R220 to R400) | CuNi | 50ppm/ | -55~+170 | 100M |
| 2512 | Small Electrode | 2W | F:1%, G:2%, J:5% | 400m<R500m (R400 to R500) | Kama | 50ppm/ | -55~+170 | 100M |
Product Dimensions
| Size | Type | Length L (mm) | Width W (mm) | Thickness T (mm) | Electrode Width E (mm) |
| 2512 | Large Electrode | 6.40.2 | 3.20.2 | 0.80.08 | 2.20.2 |
| 2512 | Small Electrode | 6.40.2 | 3.20.2 | 0.80.08 | 1.00.2 |
Marking Code for Resistance Values
| Resistance Code | Value (m) | Resistance Code | Value (m) | Resistance Code | Value (m) | Resistance Code | Value (m) |
| R50m | 0.5 | R025 | 25 | R080 | 80 | R200 | 200 |
| R001 | 1 | R030 | 30 | R090 | 90 | R220 | 220 |
| 1R5m | 1.5 | R035 | 35 | R100 | 100 | R250 | 250 |
| R002 | 2 | R040 | 40 | R120 | 120 | R270 | 270 |
| R003 | 3 | R050 | 50 | R130 | 130 | R300 | 300 |
| R005 | 5 | R057 | 57 | R140 | 140 | R330 | 330 |
| R010 | 10 | R060 | 60 | R150 | 150 | R360 | 360 |
| R015 | 15 | R068 | 68 | R160 | 160 | R400 | 400 |
| R020 | 20 | R075 | 75 | R180 | 180 | R500 | 500 |
Performance Reliability Test Summary
| Test Item | Condition | Specification |
| Short Time Overload | Applied 5.0 times of rated power for 5 seconds. | R% 1% |
| Temperature Coefficient | Refer to Spec. | Refer to Spec. |
| Temperature Cycling | 1000 Cycles (-55 to +125) | R% 1% |
| High Temperature Exposure | 1000 hrs. @ T=125 | R% 1% |
| Low Temperature Operation | 45 min. @ T=-55 | R% 1% |
| Biased Humidity | 1000 hours 85/85%RH (10% operating power) | R% 1% |
| Solderability | Dip in soldering bath at 245 5 for 2~3 sec. | Min 95% coverage |
| Operational Life | 1000 hours @ 702 (rated current cycle) | R% 1% |
| Resistance to Vibration | 5g's for 20min, 12 cycles, 10-2000Hz | R% 1% |
| Resistance to Solder Heat | Dip in soldering bath at 260 5 for 101 sec. | R% 1% |
| Terminal Bending | Min 2mm deflection, 60 sec. | R% 1% |
| Mechanical Shock | 100g's, 6ms, half sine shock pulse. | R% 1% |
| Terminal Strength | Applied 17.7N (1.8Kg) for 601 seconds. | R% 1% |
| Thermal Shock | -55/+125, 300 cycles, 15 min dwell time. | R% 1% |
| Flammability | UL-94 V-0 or V-1 | Acceptable |
| ESD Test | 2KV, 2 times/1 sec | R% 1% |
2508221508_JIERR-RE2512F3R030_C46961757.pdf
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