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Specifications
Power(Watts):
1W
Resistance:
2Ω
Voltage Rating:
200V
Temperature Coefficient:
±200ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±5%
Mfr. Part #:
RK73B3ATTE2R0J
Package:
2512
Key Attributes
Model Number:
RK73B3ATTE2R0J
Product Description
Product Overview
The RK73B is a general-purpose thick film chip resistor series featuring 2% and 5% tolerances. It offers a wide lineup from 01005 to 2512 sizes, excellent heat and weather resistance due to its metal glaze thick film construction, and suitability for both flow and reflow soldering. Products with lead-free terminations meet EU RoHS requirements. The series is AEC-Q200 tested for various sizes.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Origin: USA (Manufacturer)
- Certifications: EU RoHS compliant (for lead-free terminations)
- Material: Ceramic Substrate, Metal Glaze Thick Film, Sn Plating, Ni Plating
Technical Specifications
| Type | Size (EIA) | Power Rating (W) | Resistance Range | Tolerance | Max. Working Voltage (V) | T.C.R. (x10-6/K) | Rated Ambient Temp. (C) | Rated Terminal Part Temp. (C) |
|---|---|---|---|---|---|---|---|---|
| RK73B1F | 01005 | 0.03 | 10 - 91k | 2%, 5% | 20 | 250 | 70 | 125 |
| RK73B1H | 0201 | 0.05 | 10 - 91k | 2%, 5% | 25 | 250 | 70 | 125 |
| RK73B1E | 0402 | 0.1 | 1 - 10M | 2%, 5% | 50 | 200 | 70 | 125 |
| RK73B1J | 0603 | 0.1 / 0.125 | 1 - 10M | 2%, 5% | 75 | 200 | 70 | 125 |
| RK73B2A | 0805 | 0.25 | 1 - 10M | 2%, 5% | 75 | 200 | 70 | 125 |
| RK73B2B | 1206 | 0.25 | 1 - 10M | 2%, 5% | 100 | 200 | 70 | 125 |
| RK73B2E | 1210 | 0.50 | 1 - 10M | 2%, 5% | 150 | 200 | 70 | 125 |
| RK73BW2H/2H | 2010 | 0.75 | 1.1k - 1M | 2%, 5% | 200 | 200 | 70 | 155 |
| RK73BW3A/3A | 2512 | 1.0 | 1 - 1k | 2%, 5% | 200 | 200 | 70 | 155 |
| RK73BW3A2 | 2512 | 2.0 | 1 - 5.6M | 2%, 5% | 400 | 200 | 70 | 155 |
| Type | Performance Characteristic | Requirement (Typical) |
|---|---|---|
| All | Resistance T.C.R. | Within specified tolerance |
| All | Overload (Short time) | 2% (1%: 1F, 0.5%: Others) |
| 1F-W3A2 (10R1M) | Resistance to Soldering Heat | 1% |
| 1F-W3A2 (R<10, R>1M) | Resistance to Soldering Heat | 3% |
| 1F, Characteristic (A) Heat Shock Resistance | Rapid Change of Temperature Characteristic | 0.5% |
| Others | Rapid Change of Temperature Characteristic | 0.3% |
| 1J, 2A, 2B | Moisture Resistance | 2% |
| Others | Moisture Resistance | 3% |
| 1J, 2A, 2B | Endurance at 70C | 2% |
| Others | Endurance at 70C | 3% |
| 1F | High Temperature Exposure (+125C, 1000 hours) | 1% |
| 1H, 1E, 1J, 2A, 2B, 2E, W2H, W3A, W3A2 (+155C, 1000 hours) | High Temperature Exposure | 1% |
2403141434_KOA-RK73B3ATTE2R0J_C5139521.pdf
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