THICK FILM CHIP RESISTORS RK73B
The RK73B series are thick film chip resistors designed for various electronic applications. They feature a robust construction with a metal glaze thick film for excellent heat and weather resistance. These resistors are compatible with reflow and wave soldering processes and are RoHS compliant. The product line offers a wide range of sizes from 0402 to 6432, making them suitable for diverse circuit designs. They are AEC-Q200 qualified (excluding 1F), indicating their suitability for automotive and industrial applications.
Product Attributes
- Brand: KOA
- Product Type: Thick Film Chip Resistors
- Construction: Metal glaze thick film
- Appearance Color: Black
- Certifications: EU RoHS compliant, AEC-Q200 qualified (excluding 1F)
- Terminal Material: T: Sn, G: Au*3 (L: Sn/Pb*4)
- Surface Treatment: Lead-free
Technical Specifications
| Model (Size Code) | Dimensions (mm) L x W x d x t | Weight (g/1000pcs) | Rated Power | Operating Temp. Range | Rated Voltage | Resistance Value Range () | Tolerance | Temp. Coefficient (x10^-6/K) | Packaging (pcs/reel) |
|---|---|---|---|---|---|---|---|---|---|
| 1F (0402/01005) | 0.4x0.2x0.11x0.13 | 0.04 | 0.03W | -55+125 | 20V | 109.1k | 2%, 5% | 200, 250 | 40,000 (TCM) / 20,000 (TBL) |
| 1H (0603/0201) | 0.6x0.3x0.15x0.23 | 0.14 | 0.05W | -55+155 | 25V | 110M | 2%, 5% | 200, 400 | 15,000 (TCM) |
| 1E (1005/0402) | 1.0x0.5x0.25x0.35 | 0.68 | 0.1W | -55+155 | 75V | 110M | 2%, 5% | 200, 400 | 10,000 (TP) / 20,000 (TPL) |
| 1J (1608/0603) | 1.6x0.8x0.3x0.45 | 2.14 | 0.1W / 0.125W | -55+155 | - | 1.1k22M | 2%, 5% | 200, 400 | 10,000 (TP) |
| 2A (2012/0805) | 2.0x1.25x0.3x0.5 | 4.54 | 0.25W | -55+155 | 150V | 110M | 2%, 5% | 200, 400 | 10,000 (TP) / 5,000 (TCM) |
| 2B (3216/1206) | 3.2x1.6x0.4x0.6 | 9.14 | 0.25W | -55+155 | 200V | 122M | 2%, 5% | 200, 400 | 5,000 (TCM) / 4,000 (TD) |
| 2E (3225/1210) | 3.2x2.5x0.4x0.6 | 15.5 | 0.5W | -55+155 | - | 110M | 2%, 5% | 200, 400 | 5,000 (TCM) / 4,000 (TD) |
| W2H (5025/2010) | 5.0x2.5x0.65x- | 24.3 | 0.75W | -55+155 | - | 1022M | 2%, 5% | 200, 400 | 4,000 (TD) |
| W3A (6432/2512) | 6.3x3.1x-x- | 37.1 | 1.0W | -55+155 | 200V | 1022M | 2%, 5% | 200, 400 | 4,000 (TD) |
| W3A2 (6432/2512) | 6.3x3.1x-x- | 37.1 | 2.0W*5 | -55+95 | 200V | 1022M | 2%, 5% | 200, 400 | 4,000 (TD) |
Performance
| Test Item | Specification | Test Method |
|---|---|---|
| Resistance Value | Within specified tolerance | IEC 60115-8, JIS C 5201-8, EIAJ RC-2134C |
| Temperature Coefficient of Resistance | Within specified value | IEC 60115-8, JIS C 5201-8, EIAJ RC-2134C |
| Overload (Short time) | 1:1F, 0.5:others | 2.5x rated voltage applied for 5s (1E, 2B, W3A2: 2x rated voltage) |
| Soldering Heat Resistance | 0.5:10R1M, 1:R<10, R>1M | 2605, 10s1s |
| Temperature Cycling | 0.5:1F, 0.3:others (Standard) / 1:1F (HS) , 0.5:others (Standard) | -55(30min.)/+125(30min.), 100 cycles (Standard) / 1000 cycles (HS) |
| Damp Heat Load | 2:1J, 2A, 2B, 3:others | 402, 90%-95%RH, 1000h (1.5h ON, 0.5h OFF cycle) |
| Endurance | 2:1J, 2A, 2B, 3:others | 702 or rated terminal temp. 2, 1000h (1.5h ON, 0.5h OFF cycle) |
| High Temperature Exposure | 1:1F, 0.5:others | +125, 1000h (1F) / +155, 1000h (others) |
Power Derating Curves
Refer to the provided power derating curves for operating conditions above rated ambient or terminal temperatures.
Single Pulse Limiting Power Curves
Refer to the provided single pulse limiting power curves for pulse application details.
2403141437_KOA-RK73B1ETTP624J_C131612.pdf
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