Product Overview
This document specifies the Approval Specification for Metal Current Sensing Chip Resistors, Type 2512/1206/0805 Series. These resistors offer high power up to 3W, low TCR as 50ppm/, and are suitable for reflow and wave flow soldering. They feature halogen-free epoxy, lead-free plating, superior mechanical and frequency characteristics, and are RoHS compliant. Applications include current sensing in various electronic devices.
Product Attributes
- Brand: (Changzhou Pengke Electronics)
- Origin: China
- Material: Metal Alloy Resistance
- Certifications: RoHS compliant
Technical Specifications
| Product Category | Dimensions (L x W x T) | Rated Power | Resistance Range | TCR | Operating Temperature Range | Resistance Tolerance | Max. Operating Voltage |
| 2512 DD/XD | 6.40.20 x 3.20.20 x 0.80.20 mm | 2W/3W | 0m R 1m: 350ppm/ 1m < R 2m: 100ppm/ 2m < R 500m: 50 ppm/ | -55 ~ +170 | F: 1%, G: 2%, J: 5% | (P*R) V | |
| 1206 RC | 3.20.20 x 1.60.20 x 0.70.20 mm (0m R <10m) 3.20.20 x 1.60.20 x 0.450.20 mm (10m<R 200m) | 1W | 0m R 2m: 350ppm/ 2m < R 200m: 50 ppm/ | -55 ~ +170 | F: 1%, G: 2%, J: 5% | (P*R) V | |
| 0805 RE | 2.00.10 x 1.250.10 x 0.50.20 mm | 0.5W | 5m R 15m: 50ppm/ | -55 ~ +170 | F: 1%, G: 2%, J: 5% | (P*R) V |
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, then measure | > 100 M |
| Withstand voltage | Apply AC voltage with effective value of max overload voltage at approx. 100V/S, maintain 605s | No breakdown or arc |
| Solderability | 2455 tin bath, hold 2s0.5s | At least 95% of electrode surface area covered with new solder |
| Resistance to Soldering Heat | 2605 tin bath, hold 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) |
Packaging and Handling
Tape Packaging Dimensions
| 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
Refer to diagram and dimensions provided in the source document.
Label Information
Labels on reels shall include: Size, Quantity, LOT.NO., Manufacturers name.
Packaging Quantity: 0805/1206: 5000pcs/Reel, 2512: 4000pcs/Reel.
Peeling Test
Refer to diagram and dimensions provided in the source document.
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 Notes
Storage:
- Store in a controlled environment: temperature 535, relative humidity 4575% RH. Maintain low humidity.
- Avoid direct, prolonged sunlight exposure.
- Do not store in humid, dusty environments or areas with harmful gases (Hydrogen chloride, sulfurous acid gas, Hydrogen sulfide).
- Storage life: 1 year.
Operating and Handling:
- Avoid exceeding normal rated power to prevent negative impact on performance and reliability.
- Handle with care using tweezers to avoid damaging the protective layer or resistance body.
- When manually installing, do not touch the product with the soldering tip.
2512101755_RVR-HIXD25LR068J_C53144924.pdf
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