2512 alloy resistor Yohey YHR2512SE2WR400F4 offering 3W 4W power rating and low parasitic inductance
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Product Description
Product Overview
The Yuanhui Electronics Technology (Jiangsu) Co., Ltd. 2512 Alloy Resistance series offers high-power, low-resistance solutions compliant with RoHS and AEC-Q200 standards. Featuring parasitic inductance less than or equal to 5nH, these resistors are designed for demanding applications.
Product Attributes
- Brand: YHR
- Origin: China
- Certifications: RoHS, AEC-Q200
Technical Specifications
| Type | Size | Power | Resistance Range | Resistance Tolerance | Material | TCR | Operating Temperature Range | Insulation Resistance | Max Operating Voltage |
| LE (Large Electrode) | 2512 | 3W/4W | <0.45m | F: 1%, G: 2%, J: 5% | MnCu (for R0.5m) | 350ppm/ (for 0.5mR | -55~ +170 | Over 100M | (P*R) |
| SE (Small Electrode) | 2512 | 3W/4W | R001RR020 | F: 1%, G: 2%, J: 5% | MnCu (for R0.220m) | 50ppm/ (for 1mR0.220m) | |||
| SE (Small Electrode) | 2512 | 2W/3W | R001RR220 | F: 1%, G: 2%, J: 5% | MnCu (for R0.220m) | 50ppm/ (for 1mR0.220m) | -55~ +170 | Over 100M | (P*R) |
| SE (Small Electrode) | 2512 | 2W | R220RR500 | F: 1%, G: 2%, J: 5% | CuNi (for 0.220mR0.400m), Kama (for 0.400mR0.500m) | 50 ppm/ | -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, then measure | > 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) |
Packing and Handling
Tape Packing Dimensions (mm)
| 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 (mm)
| 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 (mm)
| Size | SE(Short Electrode) | LE(Long Electrode) |
| A | 4.0 | 3.1 |
| B | 2.1 | 1.3 |
Belt Tension
Not specified
Matters Needing Attention
- Storage: Temperature 5-35, Relative Humidity 45-75% RH. Keep humidity low.
- Avoid direct sunlight exposure.
- Do not store in humid, dusty, or environments with harmful gases (HCl, SO2, H2S) that 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 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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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
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