RK73H Precision Thick Film Chip Resistors
The RK73H series offers high-precision thick film chip resistors with 0.5% and 1% tolerances. These resistors feature lead-free terminations meeting EU RoHS requirements and are AEC-Q200 Qualified. They are designed for various electronic applications requiring stable and reliable resistance values.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Certifications: EU RoHS, AEC-Q200 Qualified
- Construction: Thick film on ceramic substrate with protective coating, inner electrode, and solder plating.
Technical Specifications
| Type (Inch Size Code) | L (mm) | W (mm) | t (mm) | d (mm) | Power Rating (W) | Resistance Range () | Tolerance (%) | Max. Working Voltage (V) | Operating Temp. Range (C) | T.C.R. (x10/K) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1F (01005) | 0.4 (0.0160.0008) | 0.2 (0.0080.0008) | 0.1 (0.0040.001) | 0.11 (0.0040.001) | 0.03 | 10 - 91k | 0.5, 1 | 20 | -55 to +125 | 250 |
| 1H (0201) | 0.6 (0.0240.001) | 0.3 (0.0120.001) | 0.05 (0.0020.001) | 0.03 (0.0010.0003) | 0.05 | 1.0 - 9.1, 10 - 1M, 1.02M - 10M | 0.5, 1 | 25 | -55 to +155 | 200, 400 |
| 1E (0402) | 1.0 (0.039+.004-.002) | 0.5 (0.020.002) | 0.1 (0.0040.002) | 0.15 (0.0060.002) | 0.1 | 10 - 1k, 10 - 1M, 1.02M - 5.6M | 0.5, 1 | 50 | -55 to +155 | 100, 200 |
| 1J (0603) | 1.6 (0.0630.008) | 0.8 (0.0310.004) | 0.15 (0.0060.002) | 0.23 (0.0090.001) | 0.125 | 10 - 1k, 10 - 1M, 1.02M - 5.6M | 0.5, 1 | 50 | -55 to +155 | 100, 200 |
| 2A (0805) | 2.0 (0.0790.008) | 1.25 (0.0490.004) | 0.2 (0.0080.002) | 0.3 (0.0120.004) | 0.25 | 10 - 1M, 1.02M - 5.6M | 0.5, 1 | 75 | -55 to +155 | 100, 200 |
| 2B (1206) | 2.6 (0.1020.008) | 1.6 (0.0630.008) | 0.25 (0.010.004) | 0.4 (0.0160.008) | 0.25 | 10 - 1M, 1.02M - 5.6M | 0.5, 1 | 100 | -55 to +155 | 100, 200 |
| 2E (1210) | 3.2 (0.1260.008) | 2.5 (0.0980.008) | 0.3 (0.0120.004) | 0.5 (0.020.004) | 0.5 | 10 - 1M, 1.02M - 5.6M | 0.5, 1 | 150 | -55 to +155 | 100, 200 |
| 2H/W2H (2010) | 5.0 (0.1970.008) | 2.5 (0.0980.008) | 0.4 (0.0160.008) | 0.65 (0.0260.006) | 0.75 | 10 - 1M, 1.02M - 5.6M | 0.5, 1 | 200 | -55 to +155 | 100, 200 |
| 3A/W3A/W3A2 (2512) | 6.3 (0.2480.008) | 3.1 (0.1220.008) | 0.4 (0.0160.008) | 0.65 (0.0260.006) | 1.0 (W3A), 2.0 (W3A2) | 10 - 1M, 1.02M - 5.6M, 5.62M - 10M | 0.5, 1 | 200 (3A), 400 (W3A/W3A2) | -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% for 5 seconds) | 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-RK73H1HTTC2004F_C5242642.pdf
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