RK73H Precision Thick Film Chip Resistor
The RK73H series is a high-precision thick film chip resistor designed for demanding applications. Featuring tolerances of 0.5% and 1%, these resistors meet EU RoHS requirements with lead-free terminations. They are AEC-Q200 qualified, ensuring reliability and suitability for automotive and industrial use. The robust construction includes a protective coating, inner electrode, resistive film, ceramic substrate, and solder plating.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Certifications: EU RoHS, AEC-Q200 Qualified
- Material: Thick Film
Technical Specifications
| Type/Size Code | Dimensions (mm) | Power Rating (W) | Resistance Range | Tolerance | Max. Working Voltage (V) | Operating Temp. Range (C) | T.C.R. (x10^-6/K) |
|---|---|---|---|---|---|---|---|
| 1F (01005) | 0.4 x 0.2 (0.1 x 0.1) | 0.03 | 10 - 91k | 1% | 20 | -55 to +125 | 250 |
| 1H (0201) | 0.6 x 0.3 (0.15 x 0.1) | 0.05 | 10 - 1M | 0.5%, 1% | 25 | -55 to +125 | 200, 400 |
| 1E (0402) | 1.0 x 0.5 (0.2 x 0.1) | 0.1 | 10 - 1M | 0.5%, 1% | 50 | -55 to +155 | 200, 400 |
| 1J (0603) | 1.6 x 0.8 (0.3 x 0.15) | 0.125 | 10 - 1M | 0.5%, 1% | 50 | -55 to +155 | 200, 400 |
| 2A (0805) | 2.0 x 1.25 (0.5 x 0.25) | 0.25 | 10 - 1M | 0.5%, 1% | 75 | -55 to +155 | 100, 200 |
| 2B (1206) | 3.2 x 1.6 (0.8 x 0.4) | 0.25 | 10 - 1M | 0.5%, 1% | 100 | -55 to +155 | 100, 200 |
| 2E (1210) | 3.2 x 2.5 (0.8 x 0.6) | 0.5 | 10 - 1M | 0.5%, 1% | 150 | -55 to +155 | 100, 200 |
| 2H/W2H (2010) | 5.0 x 2.5 (1.25 x 0.6) | 0.75 | 10 - 1M | 0.5%, 1% | 200 | -55 to +155 | 100, 200 |
| 3A/W3A (2512) | 6.3 x 3.1 (1.6 x 0.65) | 1.0 | 10 - 1M | 0.5%, 1% | 200 | -55 to +155 | 100, 200 |
| W3A2 (2512) | 6.3 x 3.1 (1.6 x 0.65) | 2.0 | 10 - 1M | 0.5%, 1% | 400 | -55 to +155 | 100, 200 |
Performance Characteristics
| Parameter | Requirement |
|---|---|
| Resistance T.C.R. | Within specified tolerance |
| Overload (Short time) | 2% (1%: 1F) |
| Resistance to Soldering Heat | 1% (0.5%: 1F) |
| Rapid Change of Temperature | 1% (0.5%: 1F) |
| Moisture Resistance | 2% (0.75%: 1J, 2A, 2B) |
| Endurance at 70C | 2% (0.75%: 1J, 2A, 2B) |
| High Temperature Exposure | 1% (0.5%: 1F) |
2410121530_KOA-RK73H1JTTD8252F_C830361.pdf
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