RK73H Precision Thick Film Chip Resistor
The RK73H series is a high-precision thick film chip resistor designed for demanding applications. Featuring tight tolerances of 0.5% and 1%, these resistors offer reliable performance and meet stringent industry standards, including EU RoHS requirements and AEC-Q200 qualification. They are suitable for a wide range of electronic circuits where accuracy and stability are critical.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Certifications: EU RoHS, AEC-Q200 Qualified
- Material: Thick film, ceramic substrate, nickel plating, tin solder plating
- Termination: Lead-free
Technical Specifications
| Type Size (EIA Code) | Dimensions (mm) (L x W x T) | Power Rating (W) | Resistance Range () | Tolerance (%) | T.C.R. (ppm/K) | Max. Working Voltage (V) | Operating Temp. Range (C) |
|---|---|---|---|---|---|---|---|
| 1F (01005) | 0.4 x 0.2 x 0.1 | 0.03 | 10 - 91k | 1, 0.5 | 250 | 20 | -55 to +125 |
| 1H (0201) | 0.6 x 0.3 x 0.15 | 0.05 | 1.0 - 9.1, 10 - 1M, 1.02M - 10M | 1, 0.5 | 200, 400 | 25 | -55 to +125 |
| 1E (0402) | 1.0 x 0.5 x 0.2 | 0.1 | 10 - 1k, 10 - 1M, 1.02M - 5.6M | 1, 0.5 | 200, 400 | 50 | -55 to +155 |
| 1J (0603) | 1.6 x 0.8 x 0.23 | 0.125 | 10 - 1M | 1, 0.5 | 200, 400 | 50 | -55 to +155 |
| 2A (0805) | 2.0 x 1.25 x 0.4 | 0.25 | 10 - 1M, 1.02M - 5.6M | 1, 0.5 | 100, 200, 400 | 75 | -55 to +155 |
| 2B (1206) | 3.2 x 1.6 x 0.5 | 0.25 | 10 - 1M, 1.02M - 5.6M | 1, 0.5 | 100, 200, 400 | 100 | -55 to +155 |
| 2E (1210) | 3.2 x 2.5 x 0.5 | 0.5 | 10 - 1M, 1.02M - 5.6M | 1, 0.5 | 100, 200, 400 | 150 | -55 to +155 |
| 2H/W2H (2010) | 5.0 x 2.5 x 0.5 | 0.75 | 10 - 1M, 1.02M - 5.6M | 1, 0.5 | 100, 200, 400 | 200 | -55 to +155 |
| 3A/W3A/W3A2 (2512) | 6.3 x 3.1 x 0.5 | 1.0 / 2.0 | 10 - 1M, 1.02M - 5.6M, 5.62M - 10M | 1, 0.5 | 100, 200, 400 | 200 / 400 | -55 to +155 |
Performance Characteristics
| Parameter | Requirement |
|---|---|
| Resistance T.C.R. | Within specified tolerance |
| Overload (Short time) | 2% (1E, 2B, W3A2: 2% for 5s) |
| Resistance to Soldering Heat | 1% (1F ~ W3A2: 10R1M); 3% (1H ~ W3A2: R<10, R>1M) |
| Rapid Change of Temperature | 1% (1F); 0.5% (Others) |
| Moisture Resistance | 2% (1J, 2A, 2B); 3% (Others) |
| Endurance at 70C | 2% (1J, 2A, 2B); 3% (Others) |
| High Temperature Exposure | 1% (1F); 0.5% (Others) |
2410121530_KOA-RK73H2BTTD1003F_C160087.pdf
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