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Specifications
Power(Watts):
250mW
Resistance:
270Ω
Voltage Rating:
200V
Temperature Coefficient:
±200ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±5%
Mfr. Part #:
RK73B2BTTD271J
Package:
1206
Key Attributes
Model Number:
RK73B2BTTD271J
Product Description
THICK FILM CHIP RESISTORS RK73B
The RK73B series thick film chip resistors are designed for a wide range of applications, offering robust performance and a comprehensive product lineup from 0402 to 6432 sizes. Utilizing a metal glaze thick film for the protective coating, these resistors exhibit excellent heat and weather resistance. They are compatible with reflow and wave soldering processes and feature lead-free terminals, complying with EU RoHS directives (lead in glass within electrodes, resistive film, and glass are exempt). AEC-Q200 data is available for most models.
Product Attributes
- Brand: KOA
- Product Type: Rectangular Chip Resistors
- Material: Metal Glaze Thick Film, Ceramic Substrate
- Color: Black
- Certifications: EU RoHS compliant (exemptions apply), AEC-Q200 (excluding 1F)
- Terminal Surface Material: T: Sn, G: Au (for 1E, 1J, 2A), L: Sn/Pb (for 1F, 1H, W2H, W3A, W3A2)
- Standard Packaging: TD (Paper Taping 4mm pitch)
Technical Specifications
| Model (Size Code) | Dimensions (mm) L x W x t | Weight (g/1000pcs) | Rated Power | Operating Temp. Range | Resistance Temp. Coefficient (x10-6/K) | Resistance Range () | Max. Operating Voltage | Max. Overload Voltage | Packaging/Reel (pcs) |
| 1F (0402/01005) | 0.4 x 0.2 x 0.13 | 0.04 | 0.03W | -55+125 | 200, 250, 0+300 | 19.1k (250, 0+300), 100k10M (200) | 20V | 30V | 40,000 (TCM) |
| 1H (0603/0201) | 0.6 x 0.3 x 0.23 | 0.14 | 0.05W | -55+155 | 200, 400 | 19.1 (400), 1010M (200) | 25V | 50V | 15,000 (TBL, TCM) |
| 1E (1005/0402) | 1.0 x 0.5 x 0.35 | 0.68 | 0.1W | -55+155 | 200, 400 | 110M (200), 11M22M (400) | 75V | 100V | 10,000 (TP), 20,000 (TPL) |
| 1J (1608/0603) | 1.6 x 0.8 x 0.45 | 2.14 | 0.1W / 0.125W | -55+155 | 200, 400 | 11k (0.125W, 200), 1.1k10M (0.1W, 200), 11M22M (0.1W, 400) | - | - | 10,000 (TP) |
| 2A (2012/0805) | 2.0 x 1.25 x 0.5 | 4.54 | 0.25W | -55+155 | 200, 400 | 11M (200), 1.1M10M (400) | 150V | 200V | 10,000 (TP), 5,000 (TCM) |
| 2B (3216/1206) | 3.2 x 1.6 x 0.6 | 9.14 | 0.25W | -55+155 | 200, 400 | 15.6M (200), 6.2M22M (400) | 200V | 400V | 5,000 (TCM), 4,000 (TD) |
| 2E (3225/1210) | 3.2 x 2.5 x 0.6 | 15.5 | 0.5W | -55+155 | 200, 400 | 105.6M (200), 6.2M10M (400) | - | - | 5,000 (TCM), 4,000 (TD) |
| W2H (5025/2010) | 5.0 x 2.5 x 0.65 | 24.3 | 0.75W | -55+155 | 200, 400 | 105.6M (200), 6.2M22M (400) | - | - | 4,000 (TD) |
| W3A (6432/2512) | 6.3 x 3.1 x 0.7 | 37.1 | 1.0W | -55+155 | 200, 400 | 105.6M (200), 6.2M22M (400) | 200V | 400V | 4,000 (TD) |
| W3A2 (6432/2512) | 6.3 x 3.1 x 0.7 | 37.1 | 2.0W | -55+95 | 200, 400 | 105.6M (200), 6.2M22M (400) | 200V | 400V | 4,000 (TD) |
Performance Characteristics
| Test Item | Test Method | Guaranteed Value | Typical Value |
| Resistance | Within specified tolerance | R(%, +0.1) | - |
| Temperature Coefficient of Resistance | Within specified value | - | 25/-55, +25/+125 |
| Overload (Short time) | Apply 2.5x rated voltage for 5s (2x for 1E, 2B, W3A2) | 1% (1F), 0.5% (others) | - |
| Soldering Heat Resistance | 2605, 10s1s | 0.5% (10R1M), 1% (R10, R1M) | - |
| Thermal Shock | -55 (30min.)/+125 (30min.), 100 cycles (Standard), 1000 cycles (HS) | 0.5% (Standard), 0.3% (HS) | - |
| Damp Heat Load | 402, 90%95%RH, 1000h (1.5h ON, 0.5h OFF cycle) | 0.75% (1J, 2A, 2B), 1.5% (others) | - |
| Endurance | 702 or Rated Terminal Temp. 2, 1000h (1.5h ON, 0.5h OFF cycle) | 0.75% (1J, 2A, 2B), 1% (others) | - |
| High Temperature Storage | +125, 1000h (1F); +155, 1000h (others) | 0.5% (1F), 0.3% (others) | - |
2403141437_KOA-RK73B2BTTD271J_C719302.pdf
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