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Specifications
Resistance:
10mΩ
Power(Watts):
2W
Voltage Rating:
-
Type:
Current Sense Resistor
Tolerance:
±5%
Mfr. Part #:
JER2512J2R010
Package:
2512
Key Attributes
Model Number:
JER2512J2R010
Product Description
Product Overview
The PATCH RESISTOR is a pure alloy, high-power current sensing resistor designed for SMD surface mount applications. It offers ultra-low resistance values, down to 0.0R, and high power handling capabilities up to 3W. This resistor is ideal for precise current detection in various electronic systems, featuring excellent temperature coefficient characteristics and compliance with AEC-Q200 standards. It is also RoHS and REACH certified.
Product Attributes
- Brand: JER (implied by part number example)
- Material: Pure Alloy
- Certifications: RoHS, REACH, AEC-Q200
Technical Specifications
| Type | Size | Rated Power (W) | Resistance Range (m) | TCR (ppm/) | Insulation Resistance (M) | Max Working Current (A) |
| 1206 | 1206 | 1 | 1m~100m | 1m: 350; 2m~100m: 50 | >100 | Calculated based on P/R, capped by max working current |
| 1206 | 1206 | 0.5 | 110m~200m | 50 | >100 | Calculated based on P/R, capped by max working current |
| 2512 | 2512 | 2 | 0.5m~500m | 0.5m: 350; 1m~4m: 50; 2m~500m: 50 | >100 | Calculated based on P/R, capped by max working current |
| 2512 | 2512 | 3 | 0.5m~500m | 0.5m: 350; 1m~4m: 50; 2m~500m: 50 | >100 | Calculated based on P/R, capped by max working current |
| 0805 | 0805 | 0.25 | 1m~20m | 350 | >100 | Calculated based on P/R, capped by max working current |
| 0805 | 0805 | 0.5 | 2m~20m | 50 | >100 | Calculated based on P/R, capped by max working current |
| 0805 | 0805 | 1 | 1m | 350 | >100 | Calculated based on P/R, capped by max working current |
Dimensions
| Type | Length L (mm) | Width W (mm) | Thickness T (mm) | Electrode Width 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 |
Tapping Specification
| Size | Reel Diameter A (mm) | Hub Diameter B (mm) | Core Diameter C (mm) | Tape Width F (mm) | Pocket Dim Q (mm) | Qty/Reel |
| 1206 | 1782.00 | 60.001.00 | 13.500.50 | 11.400.10 | 9.000.30 | 5000 |
| 2512 | 1782.00 | 60.001.00 | 13.500.50 | 15.401.00 | 13.000.30 | 4000 |
| 0805 | 1782.00 | 60.001.00 | 13.500.50 | 11.400.10 | 9.000.30 | 5000 |
Packing Dimension
| Type | Packing | A (mm) | B (mm) | W (mm) | F (mm) | P0 (mm) | P1 (mm) | P2 (mm) | D (mm) | T (mm) |
| 0805 | paper | 1.650.20 | 2.400.20 | 8.000.10 | 3.500.05 | 4.000.1 | 4.000.10 | 2.000.05 | 1.500.10 | 0.840.1 |
| 1206 | paper | 2.000.15 | 3.600.20 | 8.000.10 | 3.500.05 | 4.000.10 | 4.000.10 | 2.000.05 | 1.500.10 | 0.840.1 |
| 2512 | Emboss | 3.600.2 | 6.900.2 | 12.00.2 | 5.50.05 | 1.750.1 | 4.000.1 | 4.000.1 | 2.00.05 | 1.50.10 |
Soldering Recommendations
Recommended Solder Paste: 96.5Sn/3.0Ag/0.5Cu
Suggested PCB Dimensions
| Size | Resistance Range | a (mm) | b (mm) | L (mm) |
| 1206 | 1m~200m | 1.8 | 1.7 | 1.6 |
| 2512 | 0.5m~4m (large electrode) | 4.0 | 3.1 | 1.8 |
| 2512 | 1m~500m | 4.0 | 2.1 | 4.1 |
| 0805 | 1m~20m | 1.4 | 1.2 | 1.4 |
Performance Reliability Test Methods
| Project | Test Method | Condition | Standard | Acceptance Criteria |
| 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 temp, +125 or +155. | - | Refer to Specification 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 for 1.5H, rest 0.5H, 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. Measurement before and after test. | - | R% 1% |
| Thermal Shock | MIL-STD-202 METHOD 107 | -55/+125, 300 cycles. Max transfer time 20 sec, dwell 15 min. 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% |
2512081620_JIERR-JER2512J2R010_C53120960.pdf
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