Product Overview
This document outlines the Approval Specification for Metal Current Sensing Chip Resistors, Type HI XD. These resistors offer high power capabilities up to 3W, low TCR down to 50ppm/, and are suitable for reflow and wave soldering. They feature halogen-free epoxy, lead-free plating, superior mechanical strength, excellent high-frequency characteristics, and are RoHS compliant. Available in 2512, 1206, and 0805 series, these resistors are designed for accurate current sensing applications.
Product Attributes
- Brand: (Changzhou Pengke Electronics)
- Origin: China
- Material: Metal Alloy
- Certifications: RoHS compliant, Halogen Free
Technical Specifications
| Series | Model | Power | Resistance Range | TCR | Tolerance | Operating Temp. Range | Max Operating Voltage |
| 2512 | DD/XD | 2W/3W | 0mR 1m: 350ppm/ 1m<R 2m: 100ppm/ 2m<R 500m: 50 ppm/ | 350ppm/, 100ppm/, 50 ppm/ | 1% (F), 2% (G), 5% (J) | -55 ~ +170 | (P*R) |
| 1206 | RC | 1W | 0mR 2m: 350ppm/ 2m<R 200m: 50 ppm/ | 350ppm/, 50 ppm/ | 1% (F), 2% (G), 5% (J) | -55 ~ +170 | (P*R) |
| 0805 | RE | 0.5W | 5mR 15m: 50ppm/ | 50ppm/ | 1% (F), 2% (G), 5% (J) | -55 ~ +170 | (P*R) |
Dimensions
| Series | L (mm) | W (mm) | T (mm) | A (mm) |
| 2512 | 6.40.20 | 3.20.20 | 0.80.20 | DD:2.00.20 (R4 m) XD:1.00.20 (R0.5 m) |
| 1206 | 3.20.20 | 1.60.20 | 0.70.20 | 0m R<10m: 0.60.20 10m<R 200m: 0.450.20 |
| 0805 | 2.00.10 | 1.250.10 | 0.50.20 | 0.350.20 |
Land Pattern Dimensions
| Series | a (mm) | b (mm) | L (mm) |
| 0805 RE | 1.5 | 1 | 1 |
| 1206 RC | 1.8 | 1.7 | 1.6 |
| 2512 XD | 4 | 2.1 | 4.1 |
| 2512 DD | 4 | 3.1 | 1.3 |
Reliability Tests
| Project | Test Method | Specifications and Requirements |
| Temperature coefficient (TCR) | Measured at 25(T1, R1) and 125(T2, R2) | Refer to TCR specifications |
| Short Time Overload | 5 times rated power, maintain 5s | R 1%+0.05m |
| Insulation resistance | Apply 100V15V DC, hold 60s | > 100 M |
| Withstand voltage | Apply max overload voltage AC, 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 | 2605 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 | R (1.0%+0.05m ) |
| Low Temperature Exposure | -552, 1000H | 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) |
Tape Packaging Dimensions
| Series | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | T1 (mm) | T2 (mm) |
| 0805 | 1782.0 | 601.0 | 131.0 | 2.00.5 | >22 | 9.01 | / |
| 1206 | 1782.0 | 601.0 | 131.0 | 2.00.5 | >22 | 9.00.3 | 11.4 1.0 |
| 2512 | 1782.0 | 601.0 | 131.0 | 2.00.5 | >22 | 13.0 0.3 | 15.4 1.0 |
Reel Dimensions
| Series | D (mm) | C (mm) | E (mm) | T1 (mm) |
| 0805 | 178 | 60 | 13 | 9.0 |
| 1206 | 178 | 60 | 13 | 9.0 |
| 2512 | 178 | 60 | 13 | 13.0 |
Label Information
Packaging Quantity: 0805/1206: 5000pcs/Reel, 2512: 4000pcs/Reel. The label shall be marked with: (1) Size, (2) Quantity, (3) LOT.NO., (4) Manufacturers name.
Recommended Reflow Soldering Profile
1. Solder: Sn96.5 / Ag3 / Cu0.5
2. Peak Temperature: 240~260, 10 sec
3. Pre-heating Zone: 150 to 200 , 9030 sec
4. Soldering Zone: 230 or higher, 3010 sec
Care Notes
Storage: Store in a controlled environment (temperature 535, relative humidity 4575% RH), avoid direct sunlight, moisture, dust, and harmful gases. Storage life: 1 year.
Handling: Avoid exceeding rated power. Handle with care using tweezers to prevent damage. Do not touch the product with a soldering tip during manual installation.
2512101755_RVR-HIRC12AR001J_C53144879.pdf
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