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 are constructed with Halogen Free Epoxy and Lead Free Plating, providing superior mechanical strength and 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 | 0mR 1m | 350ppm/ | -55 ~ +170 | F:1% G:2% J:5% | Over 100M | (P*R) |
1m| 100ppm/ | | ||||||
2m| 50 ppm/ | | ||||||
| 1206 RC | 1W | 0mR 2m | 350ppm/ | -55 ~ +170 | F:1% G:2% J:5% | Over 100M | (P*R) |
2m| 50 ppm/ | | ||||||
| 0805 RE | 0.5W | 5mR 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) 0.450.20 (10m| 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 60 seconds, then measure | > 100 M |
| Withstand voltage | Apply AC voltage of maximum overload voltage between electrode and substrate at approx. 100V/S, hold for 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 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, stand for 1H, test resistance value | R (1.0%+0.05m ) |
| Low Temperature Exposure | -552, 1000H, stand for 1H, test resistance value | R (0.5%+0.05m ) |
| Rapid change of Temperature | -55 30 minutes ~ normal temperature 5 minutes ~155 30 minutes, 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
| D (mm) | C (mm) | E (mm) | T1 (mm) |
| Refer to image | Refer to image | Refer to image | Refer to image |
Label
Packaging Quantity: 0805/1206: 5000pcs/Reel; 2512: 4000pcs/Reel
Label Markings: (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
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 to the protective layer or resistance body. Do not touch the product with a soldering tip during manual installation.
2509261615_RVR-HIXD25LR130F_C52015982.pdf
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