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 feature lead-free terminations meeting EU RoHS requirements and are AEC-Q200 qualified. They are designed for various applications requiring stable resistance values and reliability.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Certifications: EU RoHS, AEC-Q200 Qualified
- Construction: Thick Film Chip Resistor
- Termination Material: Sn (Standard), SnPb, Au (Optional)
Technical Specifications
| Type/Size Code | Dimensions (mm) L x W | Power Rating (W) | Resistance Range () | Tolerance (%) | Max. Working Voltage (V) | Operating Temp. (C) | T.C.R. (x10/K) |
|---|---|---|---|---|---|---|---|
| 1F (01005) | 0.4 x 0.2 | 0.03 | 10 - 1M | 0.5, 1 | 20 | -55 to +125 | 250 |
| 1H (0201) | 0.6 x 0.3 | 0.05 | 10 - 1M (0.5%), 10 - 10M (1%) | 0.5, 1 | 25 | -55 to +125 | 200 |
| 1E (0402) | 1.0 x 0.5 | 0.1 | 10 - 1k (0.5%), 10 - 1M (1%) | 0.5, 1 | 50 | -55 to +155 | 200 |
| 1J (0603) | 1.6 x 0.8 | 0.125 | 10 - 1k (0.5%), 10 - 1M (1%) | 0.5, 1 | 50 | -55 to +155 | 200 |
| 2A (0805) | 2.0 x 1.25 | 0.25 | 10 - 1M (0.5%), 10 - 1M (1%) | 0.5, 1 | 75 | -55 to +155 | 100, 200 |
| 2B (1206) | 3.2 x 1.6 | 0.25 | 10 - 1M (0.5%), 10 - 1M (1%) | 0.5, 1 | 100 | -55 to +155 | 100, 200 |
| 2E (1210) | 3.2 x 2.5 | 0.5 | 10 - 1M (0.5%), 10 - 1M (1%) | 0.5, 1 | 150 | -55 to +155 | 100, 200 |
| 2H/W2H (2010) | 5.0 x 2.5 | 0.75 | 10 - 1M (0.5%), 10 - 1M (1%) | 0.5, 1 | 200 | -55 to +155 | 100, 200 |
| 3A/W3A (2512) | 6.3 x 3.1 | 1.0 | 10 - 1M (0.5%), 10 - 1M (1%) | 0.5, 1 | 200 | -55 to +155 | 100, 200 |
| W3A2 (2512) | 6.3 x 3.1 | 2.0 | 10 - 1M (0.5%), 10 - 1M (1%) | 0.5, 1 | 200 | -55 to +155 | 100, 200 |
Performance Characteristics
| Parameter | Requirement |
|---|---|
| Resistance T.C.R. | Within specified tolerance |
| Overload (Short time) | 2% (1E, 2B, W3A2: 2% for 5 sec; others: Rated Voltage x 2.5 for 5 sec) |
| Resistance to Soldering Heat | 1% (1F ~ W3A2, 10R1M); 3% (1H ~ W3A2, R<10, R>1M) |
| Rapid Change of Temperature | 0.5% (1F); 0.5% (Others) |
| Moisture Resistance | 0.75% (1J, 2A, 2B); 1.5% (1F); 1% (Others) |
| Endurance at 70C | 0.75% (1J, 2A, 2B); 1% (Others) |
| High Temperature Exposure | 0.5% (1F); 0.3% (Others) |
2410121530_KOA-RK73H2ETTD15R0F_C830418.pdf
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