THICK FILM CHIP RESISTORS RK73B
The RK73B is a thick film chip resistor with a robust product lineup from 0402 to 6432 sizes. It features excellent heat and weather resistance due to its metal glaze thick film protective coating. The resistors are suitable for reflow and wave soldering and comply with EU RoHS directives for lead-free terminals. AEC-Q200 data is available for most models. These resistors are designed for various applications, including automotive, medical, and aerospace equipment, where safety and reliability are paramount.
Product Attributes
- Brand: KOA
- Product Type: Thick Film Chip Resistors
- Structure: Rectangular Chip Resistor
- Appearance Color: Black
- Material: Metal glaze thick film protective coating, Ceramic substrate
- Certifications: AEC-Q200 (excluding 1F), EU RoHS compliant (terminals lead-free)
- Reference Standards: IEC 60115-8, JIS C 5201-8, EIAJ RC-2134C
Technical Specifications
| Model (Size Code) | Dimensions (mm) L x W x t | Weight (g/1000pcs) | Rated Power | Operating Temp. Range | Resistance Value Range () | Max. Operating Voltage | Max. Overload Voltage | Resistance Temp. Coefficient (10/K) | Packaging (pcs/reel) |
| 1F (0402/01005) | 0.4 x 0.2 x 0.13 | 0.04 | 0.03W | -55 ~ +125 | 1 ~ 9.1k (G:2%, J:5%) | 20V | 30V | 200, 250, 0~+300 | 40,000 |
| 1H (0603/0201) | 0.6 x 0.3 x 0.23 | 0.14 | 0.05W | -55 ~ +155 | 1 ~ 10M (G:2%, J:5%) | 25V | 50V | 200, 400 | 15,000 |
| 1E (1005/0402) | 1.0 x 0.5 x 0.35 | 0.68 | 0.1W | -55 ~ +155 | 1 ~ 10M (G:2%, J:5%) | 75V | 100V | 200 | TPL: 20,000, TP: 10,000 |
| 1J (1608/0603) | 1.6 x 0.8 x 0.45 | 2.14 | 0.1W / 0.125W | -55 ~ +155 | 1.1k ~ 10M (G:2%, J:5%) / 1 ~ 1k (G:2%, J:5%) | - | - | 200, 400 | TP: 10,000 |
| 2A (2012/0805) | 2.0 x 1.25 x 0.5 | 4.54 | 0.25W | -55 ~ +155 | 1 ~ 1M (G:2%, J:5%) / 1.1M ~ 10M (G:2%, J:5%) | 150V | 200V | 200, 400 | TP: 10,000, TD: 5,000 |
| 2B (3216/1206) | 3.2 x 1.6 x 0.6 | 9.14 | 0.25W | -55 ~ +155 | 1 ~ 5.6M (G:2%, J:5%) / 6.2M ~ 22M (G:2%, J:5%) | 200V | 400V | 200, 400 | 5,000, TD: 4,000 |
| 2E (3225/1210) | - x 2.6 x 0.4 | - | 0.5W | -55 ~ +155 | 10 ~ 5.6M (G:2%, J:5%) / 6.2M ~ 10M (G:2%, J:5%) | - | - | 200, 400 | 5,000, TD: 4,000 |
| W2H (5025/2010) | 5.0 x 2.5 x 0.65 | 24.3 | 0.75W | -55 ~ +155 | 10 ~ 5.6M (G:2%, J:5%) / 6.2M ~ 22M (G:2%, J:5%) | - | - | 200, 400 | 4,000 |
| W3A (6432/2512) | 6.3 x 3.1 x - | 37.1 | 1.0W | -55 ~ +155 | 10 ~ 5.6M (G:2%, J:5%) / 6.2M ~ 22M (G:2%, J:5%) | 200V | 400V | 200, 400 | 4,000 |
| W3A2 (6432/2512) | 6.3 x 3.1 x - | - | 2.0W | -55 ~ +95 | 10 ~ 5.6M (G:2%, J:5%) / 6.2M ~ 22M (G:2%, J:5%) | 200V | 400V | 200, 400 | 4,000 |
Note: Dimensions for 'd' in W2H, W3A, W3A2 are 0.4 +0.2/-0.1 mm. Refer to datasheets for detailed specifications and derating curves.
2403141437_KOA-RK73B2BTTD822J_C369181.pdf
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