RK73H Precision Thick Film Chip Resistors
The RK73H series offers high-precision thick film chip resistors with 0.5% and 1% tolerances. These resistors meet EU RoHS requirements and are AEC-Q200 tested. They are suitable for various applications requiring reliable and accurate resistance values.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Certifications: EU RoHS, AEC-Q200 Tested
- Material: Thick film, Ceramic Substrate, Sn Plating, Ni Plating, Protective Coating
Technical Specifications
| Type* | Size Code | Nominal Resistance | Tolerance | Termination Material | Power Rating | Max. Working Voltage | T.C.R. (x10-6/K) | Operating Temperature Range | Rated Ambient Temp. | Rated Terminal Part Temp. |
|---|---|---|---|---|---|---|---|---|---|---|
| RK73H1F | 01005 | 10 - 91k* | 0.5%, 1% | Sn, Au, Sn/Pb*4 | 0.03W | 20V | 250, 100 | -55C to +125C | 70C | 125C |
| RK73H1H | 0201 | 10 - 1M, 1.0 - 9.1* | 0.5%, 1% | Sn, Au, Sn/Pb*4 | 0.05W | 25V | 200, 400 | -55C to +125C | 70C | 125C |
| RK73H1E | 0402 | 10 - 1k, 1.0 - 9.76* | 0.5%, 1% | Sn, Au | 0.1W | 50V | 200, 400 | -55C to +155C | 70C | 125C |
| RK73H1J | 0603 | 10 - 1M, 1.0 - 9.76* | 0.5%, 1% | Sn | 0.1W | 75V | 200, 400 | -55C to +155C | 70C | 125C |
| RK73H2A | 0805 | 10 - 1M, 1.0 - 9.76* | 0.5%, 1% | Sn | 0.25W | 100V | 200, 400 | -55C to +155C | 70C | 125C |
| RK73H2B | 1206 | 10 - 1M, 1.0 - 9.76* | 0.5%, 1% | Sn | 0.25W | 150V | 200, 400 | -55C to +155C | 70C | 125C |
| RK73H2E | 1210 | 10 - 1M, 1.0 - 9.76* | 0.5%, 1% | Sn | 0.5W | 200V | 200, 400 | -55C to +155C | 70C | 125C |
| RK73HW2H/2H | 2010 | 10 - 1M, 1.0 - 9.76* | 0.5%, 1% | Sn | 0.75W | 200V | 200, 400 | -55C to +155C | 70C | 125C |
| RK73HW3A/3A | 2512 | 10 - 1M, 1.0 - 9.76* | 0.5%, 1% | Sn | 1.0W | 400V | 200, 400 | -55C to +155C | 70C | 125C |
| RK73HW3A2 | 2512 | 10 - 1M, 1.0 - 9.76* | 0.5%, 1% | Sn | 2.0W | 400V | 200, 400 | -55C to +155C | 70C | 125C |
Performance Characteristics
| Parameter | Requirement | Limit | Test Method |
|---|---|---|---|
| Resistance T.C.R. | Within specified tolerance | Within specified T.C.R. | |
| Overload (Short time) | Rated Voltage x 2.5 for 5 seconds (1E, 2B, W3A2: Rated Voltage x 2 for 5 seconds) | 2% | |
| Resistance to Soldering Heat | 260C 5C, 10 seconds 1 second | 1%: 1F ~ W3A2 (10R1M); 3%: 1H ~ W3A2 (R<10, R>1M) | |
| Rapid Change of Temperature Characteristic (Nil) | Standard: -55C (30 minutes), +125C (30 minutes), 100 cycles | 1%: 1F; 0.5% Others | |
| Characteristic (A) Heat Shock Resistance | -55C (30 minutes), +125C (30 minutes), 1000 cycles | 0.5%: 1F, Characteristic (A) Heat Shock Resistance; 0.3% Others | |
| Moisture Resistance | 40C 2C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle | 2%: 1J, 2A, 2B; 3%: Others | |
| Endurance at 70C | 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle | 2%: 1J, 2A, 2B; 3%: Others | |
| High Temperature Exposure | +125C, 1000 hours: 1F; +155C, 1000 hours: 1E, 1H, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A2 | 1% |
2410121607_KOA-RK73H2BTTD3302F_C369036.pdf
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