Product Overview
Metal Current Sensing Chip Resistors (2512, 1206, 0805 series) offer high power handling up to 3W with low TCR as 50ppm/. These resistors are suitable for reflow and wave soldering, feature Halogen Free Epoxy and Lead Free Plating, and provide superior mechanical strength and frequency characteristics. They are RoHS compliant and designed for current sensing applications.
Product Attributes
- Brand: (Changzhou Pengke Electronics)
- Origin: China
- Material: Metal Alloy
- Certifications: RoHS compliant, Halogen Free
Technical Specifications
| Product Category | Size | Rated Power | Resistance Range | TCR (ppm/) | Operating Temp. Range () | Resistance Tolerance (%) | Insulation Resistance (M) | Max. Operating Voltage (V) |
| 2512 DD/XD | 2512 | 2W/3W | 0m R 1m | 350 | -55 ~ +170 | 1%, 2%, 5% | > 100 | (P*R) |
| | | 1m < R 2m | 100 |
| | | 2m < R 500m | 50 |
| 1206 RC | 1206 | 1W | 0m R 2m | 350 | -55 ~ +170 | 1%, 2%, 5% | > 100 | (P*R) |
| | | 2m < R 200m | 50 |
| 0805 RE | 0805 | 0.5W | 5m R 15m | 50 | -55 ~ +170 | 1%, 2%, 5% | > 100 | (P*R) |
Construction and Dimension (mm)
| Category | L | W | T | A (DD) | A (XD) |
| 2512 | 6.40.20 | 3.20.20 | 0.80.20 | 2.00.20 (R4 m) | 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 (mm)
| Category | a | b | L |
| 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 |
TAPE PACKAGING DIMENSIONS (mm)
| Type | A | B | C | D | E | T1 | T2 |
| 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 (mm)
| Type | D | C | E | T1 |
| 0805 | 178 | 60 | 13 | 9.01 |
| 1206 | 178 | 60 | 13 | 9.00.3 |
| 2512 | 178 | 60 | 13 | 13.0 0.3 |
Label Information
Packaging Quantity: 0805/1206: 5000pcs/Reel; 2512: 4000pcs/Reel.
Marked Items: (1) Size (2) Quantity (3) LOT.NO. (4) Manufacturers name.
Recommended Reflow Soldering Profile
| Parameter | Value |
| 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 for Storage and Handling
Storage: Temperature 535, Relative Humidity 4575% RH. Avoid direct sunlight, moisture, dust, and harmful gases (Hydrogen chloride, sulfurous acid gas, Hydrogen sulfide). Storage life: 1 year.
Handling: Avoid exceeding rated power. Use tweezers carefully to prevent damage. Do not touch the product with the soldering tip during manual installation.
