Product Overview
This document specifies the Approval Specification for Metal Current Sensing Chip Resistors, Type 2512/1206/0805 series. These resistors offer high power capabilities up to 3W, low TCR as 50ppm/, and are suitable for reflow and wave soldering. They feature halogen-free epoxy, lead-free plating, superior mechanical strength, and excellent high-frequency characteristics, complying with RoHS standards. Applications include current sensing in various electronic devices.
Product Attributes
- Brand: Changzhou Pengke Electronics
- Origin: China
- Material: Metal Alloy
- Certifications: RoHS compliant
Technical Specifications
| Category | Size | Rated Power | Resistance Range | TCR | Operating Temperature Range | Resistance Tolerance | Insulation Resistance | Max. Operating Voltage (V) |
| 2512 DD/XD | 2512 | 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 | 1206 | 1W | 0m R 2m | 350ppm/ | -55 ~ +170 | F:1% G:2% J:5% | Over 100M | (P*R) |
| 2m < R 200m | 50 ppm/ | |||||||
| 0805 RE | 0805 | 0.5W | 5m R 15m | 50ppm/ | -55 ~ +170 | F:1% G:2% J:5% | Over 100M | (P*R) |
Construction and Dimension
| 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: 0.60.20 10m < R 200m: 0.450.20 |
| 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 |
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 | 178 | 60 | 13 | 9.01 |
| 1206 | 178 | 60 | 13 | 9.00.3 |
| 2512 | 178 | 60 | 13 | 13.00.3 |
Label
Packaging Quantity: 0805/1206: 5000pcs/Reel, 2512: 4000pcs/Reel
Label shall mark the following items:
- Size
- Quantity
- LOT.NO.
- 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
Store in a controlled environment (temperature 535, relative humidity 4575% RH). Avoid direct sunlight. Do not store in humid, dusty, or environments with harmful gases (Hydrogen chloride, sulfurous acid gas, Hydrogen sulfide). Storage life: 1 year.
Care Note for Operating and Handling
- Avoid exceeding the normal rated power.
- Handle with care using tweezers to prevent damage to the protective layer or resistance body.
- When manually installing, do not touch the product with the soldering tip.
2509261615_RVR-HIXD25NR220F_C52015997.pdf
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