THICK FILM CHIP RESISTORS RK73B
The RK73B series are thick film chip resistors designed for a wide range of applications. Featuring a robust construction with a metal glaze thick film protective coating, these resistors offer excellent heat and weather resistance. They are suitable for reflow and wave soldering processes and are RoHS compliant. The product line offers a comprehensive range of sizes from 0402 to 6432. These resistors are ideal for automotive, medical, and aerospace equipment, as well as other applications where safety and reliability are paramount.
Product Attributes
- Brand: RK73B
- Structure: Rectangular chip resistor
- Appearance Color: Black
- Material: Ceramic substrate, Metal glaze thick film
- Certifications: AEC-Q200 (excluding 1F)
- Compliance: EU RoHS (lead in electrode, resistance film layer, and glass are exempt)
Technical Specifications
| Model (Size Code) | Dimensions (mm) L x W x d x t | Weight (g/1000pcs) | Rated Power | Operating Temp. Range | Max. Operating Voltage | Resistance Tolerance | Resistance Value Range | Resistance Temp. Coefficient (x10-6/K) | Packaging (pcs/reel) |
|---|---|---|---|---|---|---|---|---|---|
| 1F (0402/01005) | 0.40.02 x 0.20.02 x 0.110.03 x 0.130.02 | 0.04 | 0.03W | -55+125 | 20V | G:2%, J:5% | 1091k (G), 100k10M (J) | 200, 250, 0+300 | 40,000 (TCM) |
| 1H (0603/0201) | 0.60.03 x 0.30.03 x 0.150.05 x 0.230.03 | 0.14 | 0.05W | -55+155 | 25V | G:2%, J:5% | 19.1 (G), 1010M (J) | 200, 400 | 15,000 (TCM) |
| 1E (1005/0402) | 1.0+0.1-0.05 x 0.50.05 x 0.25+0.05-0.1 x 0.350.05 | 0.68 | 0.1W | -55+155 | 75V | G:2%, J:5% | 11k (G), 110M (J) | 200, 400 | TPL: 20,000, TP: 10,000 |
| 1J (1608/0603) | 1.60.2 x 0.80.1 x 0.30.1 x 0.450.1 | 2.14 | 0.1W / 0.125W | -55+155 | - | G:2%, J:5% | 1.1k22M | 200, 400 | TP: 10,000 (1J 0.1W) |
| 2A (2012/0805) | 2.00.2 x 1.250.1 x 0.3+0.2-0.1 x 0.50.1 | 4.54 | 0.25W | -55+155 | 150V | G:2%, J:5% | 110M | 200, 400 | TP: 10,000, TD: 5,000 |
| 2B (3216/1206) | 3.20.2 x 1.60.2 x 0.4+0.2-0.1 x 0.60.1 | 9.14 | 0.25W | -55+155 | 200V | G:2%, J:5% | 122M | 200, 400 | TD: 5,000 |
| 2E (3225/1210) | 3.20.2 x 2.60.2 x 0.4+0.2-0.1 x 0.60.1 | 15.5 | 0.5W | -55+155 | - | G:2%, J:5% | 110M | 200, 400 | TD: 5,000 |
| W2H (5025/2010) | 5.00.2 x 2.50.2 x 0.650.15 x 0.75W | 24.3 | 0.75W | -55+155 | - | G:2%, J:5% | 122M | 200, 400 | - |
| W3A (6432/2512) | 6.30.2 x 3.10.2 x 0.75W | 37.1 | 1.0W | -55+155 | 200V | G:2%, J:5% | 122M | 200, 400 | - |
| W3A2 (6432/2512) | 6.30.2 x 3.10.2 x 0.75W | - | 2.0W | -55+155 (95 for W3A2) | 200V | G:2%, J:5% | 122M | 200, 400 | - |
Performance
| Test Item | Standard Value | Guaranteed Value | Test Method |
|---|---|---|---|
| Resistance Value | Within specified tolerance | R(%+0.1) | 25 |
| Resistance Temp. Coefficient | Within specified value | - | +25/-55, +25/+125 |
| Overload (Short time) | 1 (1F), 0.5 (others) | - | 2.5x rated voltage for 5s (2x for 1E, 2B, W3A2) |
| Soldering Heat Resistance | 1 (10R1M), 3 (R<10, R>1M) | 0.5 (10R1M), 1 (R<10, R>1M) | 2605, 10s1s |
| Temperature Cycling | 1 (1F, Performance "A"), 0.5 (others) | 0.5 (1F, Performance "A"), 0.3 (others) | -55 (30min.)/+125 (30min.), 100 cycles (standard), 1000 cycles (Performance "A") |
| 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 Temp. Storage | 1 | 0.5 (1F), 0.3 (others) | +125, 1000h (1F); +155, 1000h (others) |
2403141437_KOA-RK73B1JTTD2R0J_C307263.pdf
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