THICK FILM CHIP RESISTORS RK73B
The RK73B series are thick film chip resistors designed for a wide range of applications. They feature a robust construction with a protective metal glaze thick film for excellent heat and weather resistance. These resistors are suitable for reflow and wave soldering processes and are RoHS compliant. They are available in a comprehensive size range from 0402 to 6432 and are AEC-Q200 qualified (excluding 1F).
Product Attributes
- Brand: KOA
- Product Type: Thick Film Chip Resistors
- Construction: Metal glaze thick film
- Color: Black
- Certifications: AEC-Q200 (excluding 1F), EU RoHS compliant (lead in glass, electrode, and resistance film layer are exempt)
- Soldering Compatibility: Reflow, Wave
- Terminal Material: Lead-free
Technical Specifications
| Model (Size Code) | Dimensions (mm) L x W x t | Rated Power (W) | Operating Temp. Range (C) | Resistance Range () | Tolerance (%) | Max. Operating Voltage (V) | Max. Overload Voltage (V) | Weight (g/1000pcs) |
|---|---|---|---|---|---|---|---|---|
| 1F (0402/01005) | 0.4 x 0.2 x 0.13 | 0.03 | -55 ~ +125 | 1 ~ 9.1 (250), 10 ~ 91k (250), 100k ~ 1M (200), 100k ~ 10M (250) | 2%, 5% | 20 | 30 | 0.04 |
| 1H (0603/0201) | 0.6 x 0.3 x 0.23 | 0.05 | -55 ~ +155 | 1 ~ 9.1 (400), 10 ~ 10M (200) | 2%, 5% | 25 | 50 | 0.14 |
| 1E (1005/0402) | 1.0 x 0.5 x 0.35 | 0.1 | -55 ~ +155 | 1 ~ 10M (200) | 2%, 5% | 75 | 100 | 0.68 |
| 1J (1608/0603) | 1.6 x 0.8 x 0.45 | 0.1 / 0.125 | -55 ~ +155 | 1 ~ 1k (0.125W, 200), 1.1k ~ 10M (0.1W, 200), 11M ~ 22M (0.1W, 400) | 2%, 5% | - | - | 2.14 |
| 2A (2012/0805) | 2.0 x 1.25 x 0.5 | 0.25 | -55 ~ +155 | 1 ~ 1M (200), 1.1M ~ 10M (400) | 2%, 5% | 150 | 200 | 4.54 |
| 2B (3216/1206) | 3.2 x 1.6 x 0.6 | 0.25 | -55 ~ +155 | 1 ~ 5.6M (200), 6.2M ~ 22M (400) | 2%, 5% | 200 | 400 | 9.14 |
| 2E (3225/1210) | 3.2 x 2.5 x 0.5 | 0.5 | -55 ~ +155 | 1 ~ 5.6M (200), 6.2M ~ 10M (400) | 2%, 5% | - | - | 15.5 |
| W2H (5025/2010) | 5.0 x 2.5 x 0.65 | 0.75 | -55 ~ +155 | 1 ~ 5.6M (200), 6.2M ~ 22M (400) | 2%, 5% | - | - | 24.3 |
| W3A (6432/2512) | 6.3 x 3.1 x 0.4 | 1.0 | -55 ~ +155 | 1 ~ 5.6M (200), 6.2M ~ 22M (400) | 2%, 5% | 200 | 400 | 37.1 |
| W3A2 (6432/2512) | 6.3 x 3.1 x 0.4 | 2.0 | -55 ~ +95 | 1 ~ 5.6M (200), 6.2M ~ 22M (400) | 2%, 5% | 200 | 400 | 37.1 |
Performance
| Test Item | Standard Value | Guaranteed Value | Test Method |
|---|---|---|---|
| Resistance Value | Within specified tolerance | - | 25 |
| Temperature Coefficient of Resistance | Within specified value | - | +25/-55, +25/+125 |
| Overload (Short time) | 1 (1F), 0.5 (others) | - | 2.5x rated voltage for 5s (1E, 2B, W3A2: 2x rated voltage) |
| Resistance to Soldering Heat | 1 (10R1M), 3 (R<10, R>1M) | 0.5 (10R1M), 1 (R<10, R>1M) | 2605, 10s1s |
| Thermal Shock | 1 (1F, Performance "A"), 0.5 (others) | 0.5 (1F, Performance "A"), 0.3 (others) | -55 (30min.)/+125 (30min.), 100 cycles (Performance "A": 1000 cycles) |
| Damp Heat Load | 2 (1J, 2A, 2B), 3 (others) | 0.75 (1J, 2A, 2B), 1.5 (1F), 1 (others) | 402, 90%95%RH, 1000h (1.5h ON, 0.5h OFF cycle) |
| Durability | 2 (1J, 2A, 2B), 3 (others) | 0.75 (1J, 2A, 2B), 1 (others) | 702 or rated terminal temp. 2, 1000h (1.5h ON, 0.5h OFF cycle) |
| High Temperature Storage | 1 | 0.5 (1F), 0.3 (others) | +125, 1000h (1F); +155, 1000h (others) |
2403141437_KOA-RK73B2BTTD222J_C525543.pdf
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