RK73H Precision Thick Film Chip Resistors
The RK73H series offers high-precision thick film chip resistors with tolerances of 0.5% and 1%. These resistors are designed to meet EU RoHS requirements with lead-free terminations. They are AEC-Q200 tested and suitable for a wide range of applications.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Certifications: EU RoHS compliant, AEC-Q200 tested
- Material: Thick film, ceramic substrate, Sn plating, Ni plating
Technical Specifications
| Type (EIA Size Code) | Dimensions (mm) L x W x T | Power Rating (W) | Resistance Range () | Tolerance (%) | T.C.R. (x10-6/K) | Max. Working Voltage (V) |
|---|---|---|---|---|---|---|
| 1F (01005) | 0.4 x 0.2 x 0.1 | 0.03 | 10 - 91k* | 1% | 250 | 20 |
| 1H (0201) | 0.6 x 0.3 x 0.15 | 0.05 | 10 - 1M | 0.5%, 1% | 200, 400 | 25 |
| 1E (0402) | 1.0 x 0.5 x 0.25 | 0.1 | 10 - 1k | 0.5%, 1% | 200, 400 | 50 |
| 1J (0603) | 1.6 x 0.8 x 0.4 | 0.125 | 10 - 1M | 0.5%, 1% | 100, 200 | 75 |
| 2A (0805) | 2.0 x 1.25 x 0.5 | 0.25 | 10 - 1M | 0.5%, 1% | 100, 200 | 100 |
| 2B (1206) | 3.2 x 1.6 x 0.5 | 0.25 | 10 - 1M | 0.5%, 1% | 100, 200 | 150 |
| 2E (1210) | 3.2 x 2.5 x 0.5 | 0.5 | 10 - 1M | 0.5%, 1% | 100, 200 | 200 |
| 2H/W2H (2010) | 5.0 x 2.5 x 0.65 | 0.75 | 10 - 1M | 0.5%, 1% | 100, 200 | 200 |
| 3A/W3A (2512) | 6.3 x 3.1 x 0.65 | 1.0 | 10 - 1M | 0.5%, 1% | 100, 200 | 400 |
| W3A2 (2512) | 6.3 x 3.1 x 0.65 | 2.0 | 10 - 1M | 0.5%, 1% | 100, 200 | 400 |
Performance Characteristics
| Parameter | Requirement | Test Method |
|---|---|---|
| Resistance T.C.R. | Within specified tolerance | |
| Overload (Short time) | 2% (1F: 1%) | Rated Voltage x 2.5 for 5 seconds |
| Resistance to Soldering Heat | 1% (1F: 0.5%) | 260C 5C, 10 seconds 1 second |
| Rapid Change of Temperature | 1% (1F: 0.5%) | -55C (30 min), +125C (30 min), 100 cycles |
| Moisture Resistance | 2% (1J, 2A, 2B: 0.75%) | 40C 2C, 90%-95% RH, 1000 hours |
| Endurance at 70C | 2% (1J, 2A, 2B: 0.75%) | 70C 2C, 1000 hours |
| High Temperature Exposure | 1% (1F: 0.5%) | +125C or +155C, 1000 hours |
Derating Curves
For resistors operated at an ambient temperature of 70C or higher, power shall be derated according to the Ambient Temperature Derating Curve. When the terminal part temperature exceeds the rated terminal part temperature, power shall be derated according to the Terminal Part Temperature Derating Curve.
Packaging Information
Various packaging options are available, including plastic embossed tape, pressed paper tape, and punched paper tape, with different reel sizes and quantities. Refer to Appendix A for detailed packaging information.
2410121546_KOA-RK73H2BTTD1651F_C2482762.pdf
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