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 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
- Material: Thick film, Ceramic Substrate, Ni Plating, Solder Plating
Technical Specifications
| Type/Size | L (mm) | W (mm) | t (mm) | d (mm) | c (mm) | Power Rating | Resistance Range | Tolerance | T.C.R. (x10-6/K) | Max. Working Voltage (V) | Operating Temp. Range (C) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1F (01005) | 0.4 (0.02) | 0.2 (0.02) | 0.1 (0.03) | 0.11 (0.03) | 0.13 (0.02) | 0.03W | 10 - 91k* | 1% | 250 | 20 | -55C to +125C |
| 1H (0201) | 0.6 (0.03) | 0.3 (0.03) | 0.1 (0.05) | 0.1 (0.1) | 0.1 (0.03) | 0.05W | 1 - 9.1* 10 - 1M 1.02M - 10M | 0.5%, 1% | 200, 400 | 25 | -55C to +125C |
| 1E (0402) | 1.0 (0.1) | 0.5 (0.05) | 0.2 (0.05) | 0.15 (0.05) | 0.23 (0.03) | 0.1W | 1 - 9.76 10 - 1M | 0.5%, 1% | 100, 200 | 30 | -55C to +155C |
| 1J (0603) | 1.6 (0.2) | 0.8 (0.1) | 0.2 (0.05) | 0.3 (0.1) | 0.3 (0.1) | 0.125W | 1 - 9.76 10 - 1M | 0.5%, 1% | 100, 200 | 50 | -55C to +155C |
| 2A (0805) | 2.0 (0.2) | 1.25 (0.1) | 0.2 (0.05) | 0.4 (0.2) | 0.5 (0.1) | 0.25W | 1 - 9.76 10 - 1M 1.02M - 5.6M | 0.5%, 1% | 100, 200 | 75 | -55C to +155C |
| 2B (1206) | 3.2 (0.2) | 1.6 (0.2) | 0.2 (0.05) | 0.4 (0.2) | 0.6 (0.1) | 0.25W | 1 - 9.76 10 - 1M 1.02M - 5.6M | 0.5%, 1% | 100, 200 | 100 | -55C to +155C |
| 2E (1210) | 2.6 (0.2) | 2.0 (0.2) | 0.2 (0.05) | 0.5 (0.1) | 0.5 (0.1) | 0.5W | 1 - 9.76 10 - 1M 1.02M - 5.6M | 0.5%, 1% | 100, 200 | 150 | -55C to +155C |
| 2H/W2H (2010) | 5.0 (0.2) | 2.5 (0.2) | 0.4 (0.2) | 0.5 (0.3) | 0.65 (0.15) | 0.75W | 1 - 9.76 10 - 1M 1.02M - 5.6M | 0.5%, 1% | 100, 200 | 200 | -55C to +155C |
| 3A/W3A/W3A2 (2512) | 6.3 (0.2) | 3.1 (0.2) | 0.4 (0.2) | 0.6 (0.3) | 0.65 (0.15) | 1.0W / 2.0W (W3A2) | 1 - 9.76 10 - 1M 1.02M - 5.6M 5.62M - 10M | 0.5%, 1% | 100, 200 | 400 | -55C to +155C |
Performance Characteristics
| Parameter | Requirement | Test Method |
|---|---|---|
| Resistance T.C.R. | Within specified tolerance | |
| Overload (Short time) | 2% (1%: 1F) | Rated Voltage x 2.5 for 5 seconds (1E, 2B, W3A2: Rated Voltage x 2 for 5 seconds) |
| Resistance to Soldering Heat | 1%: 1F ~ W3A2 (10R1M); 3%: 1H ~ W3A2 (R<10, R>1M) 0.5%: 1F ~ W3A2 (10<R<1M); 1%: 1H ~ W3A2 (R<10, R>1M) | 260C 5C, 10 seconds 1 second |
| Rapid Change of Temperature | 1%: 1F; 0.5% Another 0.5%: 1F; 0.3% Another | -55C (30 min), +125C (30 min), 100 cycles |
| Moisture Resistance | 2%: 1J, 2A, 2B; 3%: Another 0.75%: 1J, 2A, 2B; 1.5%:1F, 1%: Another | 40C 2C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle |
| Endurance at 70C | 2%: 1J, 2A, 2B; 3%: Another 0.75%: 1J, 2A, 2B; 1%: Another | 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle |
| High Temperature Exposure | 1% 0.5%: 1F 0.3%: Another | +125C, 1000 hours: 1F; +155C, 1000 hours: 1E, 1H, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A2 |
2410121536_KOA-RK73H1HTTC4423F_C369016.pdf
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