Product Overview
This document outlines 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, excellent high-frequency characteristics, and are RoHS compliant.
Product Attributes
- Brand: (Changzhou Pengke Electronics)
- Origin: China
- Material: Metal Alloy
- Certifications: RoHS compliant
Technical Specifications
| Product Category | Rated Power | Resistance Range | TCR | Operating Temperature Range | Resistance Tolerance | Insulation Resistance | Max. Operating Voltage (V) |
| 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) |
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 |
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 60 seconds, then measure | > 100 M |
| Withstand voltage | Apply AC voltage with effective value of max overload voltage at ~100V/S, hold for 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 | 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, 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 | 11.41.0 |
| 2512 | 1782.0 | 601.0 | 131.0 | 2.00.5 | >22 | 13.00.3 | 15.41.0 |
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 | 13.00.3 |
Label
Packaging Quantity: 0805/1206: 5000pcs/Reel, 2512: 4000pcs/Reel
Label Marking: (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 Note
Storage: Store in a controlled environment (temperature 5-35, humidity 45-75% RH), avoid direct sunlight, moisture, dust, and harmful gases. Storage life: 1 year.
Operating/Handling: Avoid exceeding rated power. Handle with care to prevent damage. Do not touch the product with the soldering tip during manual installation.
2509261615_RVR-HIXD25NR470F_C52016019.pdf
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