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Specifications
Resistance:
8mΩ
Power(Watts):
3W
Type:
Alloy Resistor
Tolerance:
±1%
Mfr. Part #:
YHR2512SE3WR008F4
Package:
2512
Key Attributes
Model Number:
YHR2512SE3WR008F4
Product Description
Product Description
The Yuanhui Electronic Technology (Jiangsu) Co., Ltd. 2512 Alloy Resistance Specification details the Metal Alloy Resistance 2512 Series. These resistors comply with RoHS requirements and conform to vehicle-specific AEC-Q200 tests. They feature parasitic inductance less than or equal to 5nH. Available in LE (large electrode) and SE (small electrode) types, these resistors offer various power ratings, resistance tolerances, and resistance ranges suitable for demanding applications.
Product Attributes
- Brand: YHR
- Origin: Jiangsu, China
- Certifications: RoHS, AEC-Q200
Technical Specifications
| Type | Product Type | Resistor Size | Power | Resistance Tolerance | Resistance Range | Material | TCR | Operating Temperature Range | Insulation Resistance | Max Operating Voltage (V) |
| LE | Metal Alloy Resistance | 2512 | 3W/4W | F:1%, G:2%, J:5% | <0.45m R000, R0005RR004 | MnCu (for R<1m), MnCu (for 1mR4m) | 350ppm/ (for R<1m), 50ppm/ (for 1mR4m) | -55~ +170 | Over 100M | (P*R) |
| SE | Metal Alloy Resistance | 2512 | 2W/3W/4W | D:0.5%, F:1%, G:2%, J:5% | R001RR020 (2W/3W/4W), R220RR500 (2W) | MnCu (for 1mR1.5m), MnCu (for 2mR20m), MnCu (for 20m| 350ppm/ (for 1mR1.5m), 50ppm/ (for 2mR20m, 20m | -55~ +170 | Over 100M | (P*R) | |
Reliability Tests
| Project | Test Method | Specifications and Requirements |
| Temperature coefficient (TCR) | Measured at 25(T1, R1) and 125(T2, R2) | Refer to TCR specifications for physical features |
| ShortTimeOverload | 5 times rated power, maintain 5s (R000, max current 200A) | R1%+0.05m |
| Insulation resistance | Apply 100V15V DC voltage between electrode and substrate, hold for 60 seconds | > 100 M |
| Withstand voltage | Apply AC voltage with effective value of max overload voltage at approx. 100V/S, hold 605s | No breakdown or arc |
| Solderability | 2455 tin tank, hold 2s0.5s | At least 95% of surface area of electrode shall be covered with new solder |
| Resistance to Soldering Heat | 2705 tin tank, hold 10s1s | R (0.5%+0.05m), no visible damage |
| Bending test | Bending distance 2mm, hold time 60s5s | R0.5%+0.05m, no mechanical damage |
| Solvent resistance | Isopropanol (IPA) at 235 for 10 hours | No obvious damage to appearance |
| High Temperature Exposure | 1702, 1000H, stand for 1H | R (1.0%+0.05m) |
| Low Temperature Exposure | -552, 1000H, stand for 1H | R (0.5%+0.05m) |
| Rapid change of Temperature | -55 30 minutes ~ normal temperature 5 minutes ~155 30 minutes, 1000 cycles | R (0.5%+0.05m) |
| Load Life | 702, 1000 hours, rated power, 1.5 hours on / 0.5 hours off | R (1.0%+0.05m) |
| Moisture with Load | 852, 85%3%RH, 1000 hours, rated power, 1.5 hours on / 0.5 hours off | R (1.0%+0.05m) |
Packaging and Storage
Tape Packing Dimensions:
| A | B | W | F | E | P1 | P2 | P0 | D0 | t |
| 3.50.15 | 6.80.1 | 12.00.2 | 5.50.05 | 1.750.1 | 4.00.1 | 2.00.05 | 4.00.05 | 1.5~1.6 | 1.00.1 |
Reel Dimensions:
| Type | A | B | C | D | E | T | W |
| Reel | 1782.0 | 601.0 | 131.0 | 2.00.5 | >22 | 15.40.5 | 13.30.5 |
Pad Pattern Dimensions:
| Size | SE(short electrode) | LE(long electrode) |
| A | 4.0 | 3.1 |
| B | 2.1 | 1.3 |
| L | 4.1 | - |
Matters Needing Attention:
- Storage environment: temperature 535, relative humidity 4575% RH. Humidity should be kept as low as possible.
- Avoid prolonged direct sunlight exposure.
- Do not store in humid, dusty environments or areas with harmful gases (Hydrogen chloride, sulfurous acid gas, Hydrogen sulfide) that can degrade solderability.
- Storage life: 1 year.
Version History
| Version | Date | Description of amendment |
| A1 | 2022/12/5 | First edition release |
| A2 | 2023/01/05 | Updated resistance range R100-R220 |
| A3 | 2023/02/03 | Modified packaging quantity |
| A4 | 2023/05/06 | Updated resistance range R220-R500 |
| A5 | 2024/01/23 | Updated resistance power |
| A6 | 2024/12/02 | Updated parasitic inductance range |
| A7 | 2025/02/26 | Updated internal structure diagram |
| A8 | 2025/04/15 | Updated main material name description corresponding to resistance range segments |
2504271506_Yohey-YHR2512SE3WR008F4_C42453904.pdf
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