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Specifications
Power(Watts):
1W
Resistance:
20kΩ
Voltage Rating:
200V
Temperature Coefficient:
±200ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±5%
Mfr. Part #:
RK73B3ATTE203J
Package:
2512
Key Attributes
Model Number:
RK73B3ATTE203J
Product Description
Product Overview
The RK73B series are general-purpose thick film chip resistors with 2% and 5% tolerances. These resistors feature lead-free terminations that meet EU RoHS requirements and are AEC-Q200 tested. They are suitable for a wide range of applications requiring reliable performance.
Product Attributes
- Brand: KOA Speer Electronics
- Origin: USA
- Certifications: EU RoHS compliant, AEC-Q200 tested
Technical Specifications
| Type (Inch Size Code) | L (mm) | W (mm) | d (mm) | t (mm) | Power Rating | Operating Temperature Range | T.C.R. (x10-6/K) | Nominal Resistance | Tolerance | Max. Working Voltage | Termination Material |
| 1F (01005) | 0.4 (0.02) | 0.2 (0.02) | 0.10 (0.03) | 0.11 (0.03) | 0.03W | -55C to +125C | 250 | 10 - 91k | 2%, 5% | 20V | Sn |
| 1H (0201) | 0.6 (0.03) | 0.3 (0.03) | 0.25 (0.05) | 0.3 (0.1) | 0.05W | -55C to +125C | 200 | 10 - 10M | 2%, 5% | 25V | Sn |
| 1E (0402) | 1.0 (+0.1 -0.05) | 0.3 (0.1) | 0.4 (0.2) | 0.4 (0.2) | 0.1W | -55C to +125C | 200 | 10 - 10M | 2%, 5% | 50V | Sn |
| 1J (0603) | 1.6 (0.2) | 0.4 (0.2) | 0.15 (0.05) | 0.35 (0.05) | 0.1W | -55C to +125C | 200 | 1 - 10M | 2%, 5% | 75V | Sn |
| 2A (0805) | 2.0 (0.2) | 0.45 (0.1) | 0.23 (0.03) | 0.5 (0.1) | 0.125W | -55C to +125C | 200 | 1 - 10M | 2%, 5% | 75V | Sn |
| 2B (1206) | 2.6 (0.2) | 0.65 (0.15) | 0.35 (0.05) | 0.8 (0.1) | 0.25W | -55C to +155C | 200 | 1 - 10M | 2%, 5% | 100V | Sn |
| 2E (1210) | 3.1 (0.2) | 0.65 (0.15) | 0.4 (0.1) | 0.5 (0.05) | 0.25W | -55C to +155C | 200 | 1 - 10M | 2%, 5% | 150V | Sn |
| 2H/W2H (2010) | 3.2 (0.2) | 0.65 (0.15) | 0.45 (0.1) | 0.6 (0.1) | 0.75W | -55C to +155C | 200 | 1.1k - 1M | 2%, 5% | 200V | Sn |
| 3A/W3A (2512) | 5.0 (0.2) | 0.65 (0.15) | 0.6 (0.1) | 1.25 (0.1) | 1.0W | -55C to +155C | 200 | 1 - 1k | 2%, 5% | 200V | Sn |
| W3A2 (2512) | 6.3 (0.2) | 0.65 (0.15) | 0.6 (0.1) | 1.6 (0.2) | 2.0W | -55C to +155C | 200 | 1 - 5.6M | 2%, 5% | 400V | Sn |
Performance Characteristics
| Parameter | Requirement | Limit | Typical | Test Method |
| Resistance | Within specified tolerance | |||
| T.C.R. | 25C +25C/-55C and +25C/+125C | 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% | 1%: 1F 0.5%: Another | |
| Resistance to Soldering Heat | 260C 5C, 10 seconds 1 second | 1%: 1F~W3A2 (10R1M) 3%: 1F~W3A2 (R<10, R>1M) | 0.5%: 1F~W3A2 (10R1M); 1%: 1F~W3A2 (R<10, R>1M) | |
| Rapid Change of Temperature | -55C (30 minutes), +125C (30 minutes), 100 cycles | 1%: 1F 0.5%: Another | 0.5%: 1F 0.3%: Another | |
| Moisture Resistance | 40C 2C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle | 2%: 1J, 2A, 2B 3%: Another | 0.75%: 1J, 2A, 2B 1.5%: 1F; 1%: Another | |
| Endurance at 70C | 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle | 2%: 1J, 2A, 2B 3%: Another | 0.75%: 1J, 2A, 2B 1%: Another | |
| High Temperature Exposure | +125C, 1000 hours: 1F; +155C, 1000 hours: 1E, 1H, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A2 | 1% | 0.5%: 1F 0.3%: Another |
2410121616_KOA-RK73B3ATTE203J_C2494080.pdf
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