Metal Alloy Resistance 2512 Series Yohey YHR2512LE2WR001F4 Resistors with Low Parasitic Inductance and RoHS Compliance
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Product Description
Product Description
The YHR-2512 series Metal Alloy Resistance 2512 offers high performance with low parasitic inductance ( 5nH). It complies with RoHS requirements and undergoes vehicle-specific AEC-Q200 tests. Available in LE (large electrode) and SE (small electrode) types, these resistors are designed for demanding applications requiring precise resistance and power handling.
Product Attributes
- Brand: YH ()
- Origin: Jiangsu, China
- Certifications: RoHS, AEC-Q200
- Material: Copper, MnCu, CuNi, Kama (depending on resistance range and type)
Technical Specifications
| Type | Power | Resistance Range | Resistance Tolerance | TCR | Max Operating Voltage (V) | Insulation Resistance | Operating Temperature Range |
| 2512 LE | 3W/4W | <0.45m | F: 1%, G: 2%, J: 5% | - | (P*R) | > 100M | -55~ +170 |
| 2512 LE | 2W/3W | 0.5m R < 1m | D: 0.5%, F: 1%, G: 2%, J: 5% | 350ppm/ | (P*R) | > 100M | -55~ +170 |
| 2512 LE | 2W/3W | 1mR 4m | D: 0.5%, F: 1%, G: 2%, J: 5% | 50ppm/ | (P*R) | > 100M | -55~ +170 |
| 2512 SE | 2W/3W/4W | 1mR 1.5m | D: 0.5%, F: 1%, G: 2%, J: 5% | 350ppm/ | (P*R) | > 100M | -55~ +170 |
| 2512 SE | 2W/3W | 2mR 20m | D: 0.5%, F: 1%, G: 2%, J: 5% | 50 ppm/ | (P*R) | > 100M | -55~ +170 |
| 2512 SE | 2W/3W | 20m<R 150m | D: 0.5%, F: 1%, G: 2%, J: 5% | 50 ppm/ | (P*R) | > 100M | -55~ +170 |
| 2512 SE | 2W | 150m<R 220m | D: 0.5%, F: 1%, G: 2%, J: 5% | 50 ppm/ | (P*R) | > 100M | -55~ +170 |
| 2512 SE | 2W | 220m<R 400m | D: 0.5%, F: 1%, G: 2%, J: 5% | 50 ppm/ | (P*R) | > 100M | -55~ +170 |
| 2512 SE | 2W | 400m<R 500m | D: 0.5%, F: 1%, G: 2%, J: 5% | 50 ppm/ | (P*R) | > 100M | -55~ +170 |
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 60s | > 100 M |
| Withstand voltage | Apply AC voltage with effective value of max overload voltage between electrode and substrate at ~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, then test resistance | R (1.0%+0.05m) |
| Low Temperature Exposure | -552, 1000H, stand for 1H, then test resistance | R (0.5%+0.05m) |
| Rapid change of Temperature | -55 30 min ~ normal temp 5 min ~155 30 min, 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 Handling
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(large electrode) |
| A | 4.0 | 3.1 |
| B | 2.1 | 1.3 |
| L | 4.1 | - |
Belt Tension
Not specified
Matters Needing Attention
- Storage temperature and humidity: 535, 4575% RH. Humidity should be kept as low as possible.
- Avoid direct sunlight exposure for extended periods.
- Do not store in humid, dusty environments, or in atmospheres containing harmful gases (Hydrogen chloride, sulfurous acid gas, Hydrogen sulfide) that can degrade soldering performance.
- 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 power rating |
| 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 |
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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina