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Specifications
Resistance:
35mΩ
Power(Watts):
3W
Type:
Alloy Resistor
Tolerance:
±1%
Mfr. Part #:
YHR2512SE3WR035F4
Package:
2512
Key Attributes
Model Number:
YHR2512SE3WR035F4
Product Description
Product Overview
The Yuanhui Electronics Technology (Jiangsu) Co., Ltd. Metal Alloy Resistance 2512 Series offers high performance with low parasitic inductance ( 5nH). These resistors comply with RoHS requirements and are tested to AEC-Q200 standards for automotive applications. Available in LE (large electrode) and SE (small electrode) types, they provide a wide range of resistance values and power ratings.
Product Attributes
- Brand: YHR
- Origin: Jiangsu, China
- Certifications: RoHS, AEC-Q200
- Material: Copper, MnCu, CuNi, Kama (depending on resistance range)
Technical Specifications
| Type | Power | Resistance Range | Resistance Tolerance | TCR | Max Operating Voltage (V) | Parasitic Inductance |
| 2512 LE (Large Electrode) | 3W/4W | <0.45m | F: 1%, G: 2%, J: 5% | 350ppm/ (for R<1m), 50ppm/ (for 1mR4m) | (P*R) | 5nH |
| 2512 SE (Small Electrode) | 3W/4W | 0.001R0.020 | D: 0.5%, F: 1%, G: 2%, J: 5% | 350ppm/ (for 1mR1.5m), 50ppm/ (for 2mR20m) | (P*R) | 5nH |
| 2512 SE (Small Electrode) | 2W/3W | 0.020<R0.220 | D: 0.5%, F: 1%, G: 2%, J: 5% | 50ppm/ | (P*R) | 5nH |
| 2512 SE (Small Electrode) | 2W | 0.220<R0.500 | D: 0.5%, F: 1%, G: 2%, J: 5% | 50ppm/ | (P*R) | 5nH |
Construction and Dimensions
| Product Type | Illustration | 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 and 125 | Refer to TCR specifications for physical features |
| Short Time Overload | 5 times rated power, maintain 5s | R(1%+0.05m) |
| Insulation resistance | Apply 100V DC for 60s | > 100 M |
| Withstand voltage | Apply AC voltage (max overload) for 605s | No breakdown or arc |
| Solderability | 2455 tin bath, 2s0.5s | At least 95% of electrode surface covered with new solder |
| Resistance to Soldering Heat | 2705 tin bath, 10s1s | R(0.5%+0.05m), no visible damage |
| Bending test | Bending distance 2mm, hold 60s5s | R(0.5%+0.05m), no mechanical damage |
| Solvent resistance | Isopropanol (IPA) at 235 for 10 hours | No obvious damage to appearance |
| High Temperature Exposure | 1702 for 1000H | R (1.0%+0.05m) |
| Low Temperature Exposure | -552 for 1000H | R (0.5%+0.05m) |
| Rapid change of Temperature | -55 (30min) ~ RT (5min) ~ 155 (30min), 1000 cycles | R (0.5%+0.05m) |
| Load Life | 702, 1000 hours, rated power, 1.5h on / 0.5h off | R (1.0%+0.05m) |
| Moisture with Load | 852, 85%3%RH, 1000 hours, rated power, 1.5h on / 0.5h off | R(1.0%+0.05m) |
Packing Specifications
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 | - |
Matters Needing Attention
- Storage Temperature: 535, Humidity: 4575% RH (maintain low humidity).
- 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.
2504271506_Yohey-YHR2512SE3WR035F4_C42453912.pdf
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