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Specifications
Resistance:
3.57kΩ
Power(Watts):
250mW
Voltage Rating:
150V
Temperature Coefficient:
±100ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±1%
Mfr. Part #:
RK73H2ATTD3571F
Package:
0805
Key Attributes
Model Number:
RK73H2ATTD3571F
Product Description
RK73H Precision Thick Film Chip Resistor
The RK73H series offers high precision thick film chip resistors with 0.5% and 1% tolerances. Featuring a protective coating, inner electrode, resistive film, and ceramic substrate with Sn or Ni plating, these resistors are suitable for a wide range of applications. They are designed for both flow and reflow solderings and meet EU RoHS requirements for lead-free terminations. The series is AEC-Q200 tested for various package sizes, ensuring reliability in demanding environments.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Material: Thick film, Ceramic Substrate, Sn Plating, Ni Plating
- Certifications: AEC-Q200 Tested (0201 to 2512 sizes), EU RoHS compliant
Technical Specifications
| Type | Size Code | Dimensions (mm) L x W x T | Power Rating (W) | Resistance Range () | Tolerance (%) | Max Working Voltage (V) | T.C.R. (x10/K) | Operating Temp. Range (C) |
|---|---|---|---|---|---|---|---|---|
| RK73H1F | 01005 | 0.4 x 0.2 x 0.1 | 0.03 | 10 - 1M | 0.5, 1 | 20 | 250 | -55 to +125 |
| RK73H1H | 0201 | 0.6 x 0.3 x 0.15 | 0.05 | 1 - 9.1, 10 - 1M, 1.02M - 10M* | 0.5, 1 | 25 | 200, 400 | -55 to +125 |
| RK73H1E | 0402 | 0.4 x 0.2 x 0.1 | 0.1 | 10 - 1k, 10 - 1M, 1.02M - 10M* | 0.5, 1 | 30 | 200, 400 | -55 to +155 |
| RK73H1J | 0603 | 1.0 x 0.5 x 0.23 | 0.125 | 10 - 1M | 0.5, 1 | 50 | 100, 200 | -55 to +155 |
| RK73H2A | 0805 | 2.0 x 1.25 x 0.5 | 0.25 | 10 - 1M | 0.5, 1 | 75 | 100, 200 | -55 to +155 |
| RK73H2B | 1206 | 3.2 x 1.6 x 0.55 | 0.25 | 10 - 1M | 0.5, 1 | 100 | 100, 200 | -55 to +155 |
| RK73H2E | 1210 | 3.2 x 2.5 x 0.55 | 0.5 | 10 - 1M | 0.5, 1 | 150 | 100, 200 | -55 to +155 |
| RK73HW2H/2H | 2010 | 5.0 x 2.5 x 0.65 | 1.0 | 10 - 1M | 0.5, 1 | 200 | 100, 200 | -55 to +155 |
| RK73HW3A/3A | 2512 | 6.3 x 3.1 x 0.65 | 2.0 | 10 - 1M | 0.5, 1 | 400 | 100, 200 | -55 to +155 |
| RK73HW3A2 | 2512 | 6.3 x 3.1 x 0.65 | 2.0 | 10 - 1M | 0.5, 1 | 400 | 100, 200 | -55 to +155 |
Performance Characteristics
| Parameter | Requirement | Limit | Test Method |
|---|---|---|---|
| Resistance T.C.R. | Within specified tolerance | Within specified T.C.R. | |
| Overload (Short time) | Rated Voltage x 2.5 for 5 seconds (1E, 2B, W3A2: Rated Voltage x 2 for 5 seconds) | 2% | |
| Resistance to Soldering Heat | 260C 5C, 10 seconds 1 second | 1% (1F); 0.5% (Others) | |
| Rapid Change of Temperature Characteristic (Standard) | -55C (30 min), +125C (30 min), 100 cycles | 1% (1F); 0.5% (Others) | |
| Characteristic (A) Heat Shock Resistance | -55C (30 min), +125C (30 min), 1000 cycles | 0.5% (1F); 0.3% (Others) | |
| Moisture Resistance | 40C 2C, 90%-95% RH, 1000 hours | 2% (1J, 2A, 2B); 3% (Others) | |
| Endurance at 70C | 70C 2C, 1000 hours | 2% (1J, 2A, 2B); 3% (Others) | |
| High Temperature Exposure | +125C, 1000 hours (1F); +155C, 1000 hours (Others) | 1% (1F); 0.5% (Others) |
2411041704_KOA-RK73H2ATTD3571F_C317410.pdf
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