Metal Current Sensing Chip Resistors - Type
Product Description: These metal alloy resistors are designed for current sensing applications, offering high power capabilities up to 3W and low TCR down to 50ppm/. They are suitable for reflow and wave soldering, feature halogen-free epoxy and lead-free plating, and exhibit superior mechanical strength and high-frequency characteristics. Compliant with RoHS standards.
Product Attributes:
- Brand: Changzhou Pengke Electronics
- Origin: China
- Material: Metal Alloy
- Certifications: RoHS compliant, Halogen Free
Technical Specifications
| Product Category | Rated Power | Resistance Range | TCR | Operating Temperature Range | Resistance Tolerance | Insulation Resistance | Max. Operating Voltage |
|---|---|---|---|---|---|---|---|
| 2512 DD/XD | 2W/3W | 0m R 1m | 350ppm/ | -55 ~ +170 | F: 1%, G: 2%, J: 5% | Over 100M | (P*R) |
| 1m < R 2m | 100ppm/ | ||||||
| 2m < R 500m | 50 ppm/ | ||||||
| 1206 RC | 1W | 0m R 2m | 350ppm/ | -55 ~ +170 | F: 1%, G: 2%, J: 5% | Over 100M | (P*R) |
| 2m < R 200m | 50 ppm/ | ||||||
| 0805 RE | 0.5W | 5m R 15m | 50ppm/ | -55 ~ +170 | F: 1%, G: 2%, J: 5% | Over 100M | (P*R) |
Dimensions
| Category | 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), 0.450.20 (10m<R 200m) | 0.60.20 |
| 0805 | 2.00.10 | 1.250.10 | 0.50.20 | 0.350.20 |
Land Pattern Dimensions
| Category | 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), TCR=(R2-R1)/(R1(T2-T1))*10^6 | Refer to TCR specifications for physical features |
| Short Time Overload | 5 times rated power, maintain 5s | R 1%+0.05m |
| Insulation resistance | Apply 100V15V DC voltage between electrode and substrate, hold for 60s | > 100 M |
| Withstand voltage | Apply AC voltage of maximum overload voltage between electrode and substrate at approx. 100V/S, maintain 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 | 2605 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 | 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
| Type | 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
| Type | D (mm) | C (mm) | E (mm) | T1 (mm) |
|---|---|---|---|---|
| 0805 | 1782.0 | 601.0 | 131.0 | 9.01 |
| 1206 | 1782.0 | 601.0 | 131.0 | 9.00.3 |
| 2512 | 1782.0 | 601.0 | 131.0 | 13.0 0.3 |
Label
Packaging Quantity: 0805/1206: 5000pcs/Reel, 2512: 4000pcs/Reel
Label Markings: Size, Quantity, LOT.NO., Manufacturers name
Recommended Reflow Soldering Profile
- Solder: Sn96.5 / Ag3 / Cu0.5
- Peak Temperature: 240~260, 10 sec
- Pre-heating Zone: 150 to 200 , 9030 sec
- Soldering Zone: 230 or higher, 3010 sec
Care Note
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 to prevent damage. Do not touch the product with soldering tip during manual installation.
2509261615_RVR-HIXD25NR035F_C52015941.pdf
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