RK73H Precision Thick Film Chip Resistors
The RK73H series are precision thick film chip resistors offering 0.5% and 1% tolerances. These resistors are designed to meet EU RoHS requirements with lead-free terminations. They are AEC-Q200 Qualified and suitable for a wide range of applications requiring reliable and accurate resistance values.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Certifications: EU RoHS, AEC-Q200 Qualified
- Construction: Thick Film Chip Resistor with protective coating, inner electrode, resistive film, ceramic substrate, and solder plating (Ni Plating).
Technical Specifications
| Type (Inch Size Code) | Dimensions (mm) L x W x T (max) | 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 x 0.11 (max) | 0.03 | 10 - 91k | 1% | 20 | -55 to +125 | 250 |
| 1H (0201) | 0.6 x 0.3 x 0.1 (max) | 0.05 | 10 - 1M | 0.5%, 1% | 50 | -55 to +155 | 200, 400 |
| 1E (0402) | 1.0 x 0.5 x 0.1 (max) | 0.1 | 10 - 1M | 0.5%, 1% | 50 | -55 to +155 | 200, 400 |
| 1J (0603) | 1.6 x 0.8 x 0.2 (max) | 0.125 | 10 - 1M | 0.5%, 1% | 75 | -55 to +155 | 100, 200 |
| 2A (0805) | 2.0 x 1.25 x 0.2 (max) | 0.25 | 10 - 1M | 0.5%, 1% | 100 | -55 to +155 | 100, 200 |
| 2B (1206) | 3.2 x 1.6 x 0.2 (max) | 0.25 | 10 - 1M | 0.5%, 1% | 150 | -55 to +155 | 100, 200 |
| 2E (1210) | 3.2 x 2.5 x 0.2 (max) | 0.5 | 10 - 1M | 0.5%, 1% | 200 | -55 to +155 | 100, 200 |
| 2H/W2H (2010) | 5.0 x 2.5 x 0.2 (max) | 0.75 | 10 - 1M | 0.5%, 1% | 200 | -55 to +155 | 100, 200 |
| 3A/W3A (2512) | 6.3 x 3.1 x 0.2 (max) | 1.0 | 10 - 1M | 0.5%, 1% | 400 | -55 to +155 | 100, 200 |
| W3A2 (2512) | 6.3 x 3.1 x 0.2 (max) | 2.0 | 10 - 1M | 0.5%, 1% | 400 | -55 to +155 | 100, 200 |
Performance Characteristics
| Parameter | Requirement | Test Method |
|---|---|---|
| Resistance T.C.R. | Within specified tolerance | |
| Overload (Short time) | 2% (1E, 2B, W3A2: 2%) | Rated Voltage x 2.5 for 5 seconds |
| Resistance to Soldering Heat | 1% (1F ~ W3A2: 10R1M); 3% (1H ~ W3A2: R<10, R>1M) | 260C 5C, 10 seconds 1 second |
| Rapid Change of Temperature | 1% (1F); 0.5% (Others) | -55C (30 min), +125C (30 min), 100 cycles |
| Moisture Resistance | 2% (1J, 2A, 2B); 3% (Others) | 40C 2C, 90%-95% RH, 1000 hours |
| Endurance at 70C | 2% (1J, 2A, 2B); 3% (Others) | 70C 2C, 1000 hours |
| High Temperature Exposure | 1% (1F); 0.5% (Others) | +125C, 1000 hours (1F); +155C, 1000 hours (Others) |
2410121530_KOA-RK73H2BTTD2201F_C160094.pdf
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