Metal Alloy Resistance 2512 Series Featuring Yohey YHR2512SE2WR210F4 with RoHS and AECQ200 Compliance
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Product Description
Product Overview
The Yuanhui Electronics Technology (Jiangsu) Co., Ltd. 2512 Alloy Resistance Specification details the Metal Alloy Resistance 2512 Series. These resistors comply with RoHS requirements and undergo vehicle-specific AEC-Q200 tests. They feature 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 a wide resistance range. The coding principle follows Manufacturer/Product, Size, Type, Power, Resistance, Accuracy, and Quantity.
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 | 2512 LE (Large Electrode) | 2512 | 3W/4W | F: 1%, G: 2%, J: 5% | <0.45m R000, R0005RR004 | MnCu (for R1m) | 350ppm/ (for R | -55~ +170 | > 100M | (P*R) |
| SE | 2512 SE (Small Electrode) | 2512 | 2W/3W/4W | D: 0.5%, F: 1%, G: 2%, J: 5% | R001RR020 (2W/3W/4W), R220RR500 (2W) | MnCu (for R1.5m), CuNi (for 20m| 350ppm/ (for R1.5m), 50ppm/ (for R>1.5m) | -55~ +170 | > 100M | (P*R) | |
Construction and Dimension
| Product Type | Size (L x W x E x H) |
| 2512 LE | 6.40.2 x 3.20.2 x 2.20.2 x 0.80.08 |
| 2512 SE | 6.40.2 x 3.20.2 x 1.00.2 x 0.80.08 |
Reliability Tests
| Project | Test Method | Specifications and Requirements |
| Temperature coefficient (TCR) | Measured at 25(T1, R1) and 125(T2, R2), TCR=(R2-R1)/R1T2-T1*10^6 | Refer to TCR specifications for physical features |
| Short Time Overload | 5 times rated power, maintain 5s (R000, max current 200A) | R1%+0.05m |
| Insulation resistance | Apply 100V15V DC between electrode and substrate, hold 60s | > 100 M |
| Withstand voltage | Apply AC voltage with effective value of max overload voltage at ~100V/S, hold 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 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 30min ~ normal temp 5min ~155 30min, 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
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
| Size | SE (Short Electrode) | LE (Long Electrode) |
| A | 4.0 | 3.1 |
| B | 2.1 | 1.3 |
| L | 4.1 | - |
Belt Tension
Not specified.
Matters Needing Attention
- Store in a controlled environment: temperature 5-35, humidity 45-75% RH. Keep humidity low.
- Avoid direct sunlight exposure.
- Do not store in humid, dusty environments or areas with harmful gases (Hydrogen chloride, sulfurous acid gas, Hydrogen sulfide) that 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 |
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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