Metal Current Sensing Chip Resistors - Type HI XD
This document outlines the Approval Specification for Metal Current Sensing Chip Resistors, specifically the 2512, 1206, and 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.
Product Attributes
- Brand: (Changzhou Pengke Electronics)
- Origin: China
- Material: Metal Alloy Resistance
- Certifications: RoHS compliant, Halogen Free
Technical Specifications
| Product Category | Size | Rated Power | Resistance Range | TCR | Operating Temp. 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) |
Note 1: Package Power Temperature Derating Curve applies.
Rated Current Calculation: I (Rated current) = (P (Rated Power) / R (Resistance)). If the calculated current exceeds the maximum working current for the type, the maximum working current shall be regarded as the rated current.
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 60s | > 100 M |
| Withstand voltage | Apply AC voltage (effective value of max overload voltage) 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 | R (1.0%+0.05m ) |
| Low Temperature Exposure | -552, 1000H | R (0.5%+0.05m ) |
| Rapid change of Temperature | -55 (30 min) ~ Room 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 | 11.4 1.0 |
| 2512 | 1782.0 | 601.0 | 131.0 | 2.00.5 | >22 | 13.0 0.3 | 15.4 1.0 |
Reel Dimensions
See diagram in source document. Dimensions for A, B, C, D, E, T1 are provided in the Tape Packaging Dimensions table.
Label Information
Packaging Quantity: 0805/1206: 5000pcs/Reel; 2512: 4000pcs/Reel.
Label Markings:
- Size
- Quantity
- LOT.NO.
- Manufacturers name
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 controlled temperature (535) and humidity (4575% RH). Avoid direct sunlight, moisture, dust, and harmful gases (e.g., Hydrogen chloride, sulfurous acid gas, Hydrogen sulfide). Storage life: 1 year.
Handling: Avoid exceeding rated power. Handle with care using tweezers to prevent damage. Do not touch the product with a soldering tip during manual installation.
2509261615_RVR-HIXD25NR012F_C52015919.pdf
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