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Specifications
Resistance:
25mΩ
Power(Watts):
3W
Type:
Alloy Resistor
Temperature Coefficient:
±50ppm/℃
Mfr. Part #:
YHR2512SE3WR025D4
Package:
2512
Key Attributes
Model Number:
YHR2512SE3WR025D4
Product Description
Product Overview
YHR-2512 series Metal Alloy Resistance 2512, compliant with RoHS requirements and vehicle-specific AEC-Q200 tests. Features parasitic inductance less than or equal to 5 nH. Available in LE (large electrode) and SE (small electrode) types with various power ratings, resistance tolerances, and resistance ranges.
Product Attributes
- Brand: (YH)
- 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) |
| 2512 LE | (LE) | 2512 | 3W/4W | F:1%, G:2%, J:5% | 0.45m R000, R0005RR004 | MnCu (for 0.5mR<1m), MnCu (for 1mR4m) | 350ppm/ (for 0.5mR<1m), 50ppm/ (for 1mR4m) | -55~ +170 | > 100M | (P*R) |
| 2512 SE | (SE) | 2512 | 2W/3W/4W | F:1%, G:2%, J:5% | R001RR020 (2W/3W/4W), R220RR500 (2W) | MnCu (for 1mR1.5m, 2mR20m, 20m| 350ppm/ (for 1mR1.5m), 50 ppm/ (for 2mR20m, 20m | -55~ +170 | > 100M | (P*R) | |
Construction and Dimension
| Product Type | Illustration | Size (L x W x E x H) | Legend |
| 2512 LE | 6.40.2 x 3.20.2 x 2.20.2 x 0.80.08 | L, W, E, H | |
| 2512 SE | 6.40.2 x 3.20.2 x 1.00.2 x 0.80.08 | L, W, E, H |
Reliability Tests
| Project | Test Method | Specifications and Requirements |
| Temperature coefficient (TCR) | Measured at 25(T1, R1) and 125(T2, R2), TCR=(R2-R1)/(R1(T2-T1))*10^6 | Refer to TCR specifications for physical features |
| ShortTimeOverload | 5 times rated power, maintain 5s (R000, max current 200A) | R(1%+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 for 605s | No breakdown or arc |
| Solderability | 2455 tin tank, hold 2s0.5s | At least 95% of electrode surface area covered with new solder |
| Resistance to Soldering Heat | 2705 tin tank, hold for 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, test resistance value | R (1.0%+0.05m) |
| Low Temperature Exposure | -552, 1000H, stand for 1H, test resistance value | 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) |
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 Size
| Size | SE(short electrode) | LE(long electrode) |
| A | 4.0 | 3.1 |
| B | 2.1 | 1.3 |
| L | 4.1 |
Belt Tension
Not specified in the document.
Matters Needing Attention
- Storage Temperature: 535, Relative Humidity: 4575% RH. Keep humidity low.
- Avoid prolonged direct sunlight.
- Do not store in humid, dusty environments or in the presence of 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 | Initial 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 |
2508041620_Yohey-YHR2512SE3WR025D4_C49837990.pdf
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