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Specifications
Power(Watts):
500mW
Resistance:
91Ω
Voltage Rating:
200V
Temperature Coefficient:
±200ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±5%
Mfr. Part #:
RK73B2ETTD910J
Package:
1210
Key Attributes
Model Number:
RK73B2ETTD910J
Product Description
Product Overview
The RK73B is a general-purpose thick film chip resistor series offering 2% and 5% tolerances. These resistors feature lead-free terminations that meet EU RoHS requirements. They are AEC-Q200 tested across various package sizes, making them suitable for demanding applications.
Product Attributes
- Brand: KOA Speer Electronics
- Certifications: EU RoHS compliant, AEC-Q200 tested
- Material: Ceramic Substrate, Sn Plating, Ni Plating
Technical Specifications
| Type (Inch Size Code) | Dimensions (mm) L x W x T x C | Power Rating | Resistance Range | Tolerance | T.C.R. (x10-6/K) | Max. Working Voltage | Operating Temp. Range | Termination Material |
| 1F (01005) | 0.4 x 0.2 x 0.10 x 0.11 | 0.03W | 10 - 91k | 2%, 5% | 250 | 20V | -55C to +125C | Sn |
| 1H (0201) | 0.6 x 0.3 x 0.15 x 0.23 | 0.05W | 10 - 10M | 2%, 5% | 200 | 25V | -55C to +125C | Sn |
| 1E (0402) | 1.0 x 0.5 x 0.20 x 0.35 | 0.1W | 10 - 10M | 2%, 5% | 200 | 50V | -55C to +155C | Sn |
| 1J (0603) | 1.6 x 0.8 x 0.20 x 0.35 | 0.1W | 1 - 10M | 2%, 5% | 400 | 75V | -55C to +155C | Sn |
| 2A (0805) | 2.0 x 1.25 x 0.40 x 0.50 | 0.125W | 1 - 10M | 2%, 5% | 200 | 75V | -55C to +155C | Sn |
| 2B (1206) | 3.2 x 1.6 x 0.50 x 0.50 | 0.25W | 1 - 10M | 2%, 5% | 200 | 100V | -55C to +155C | Sn |
| 2E (1210) | 3.2 x 2.5 x 0.50 x 0.50 | 0.25W | 1 - 10M | 2%, 5% | 200 | 150V | -55C to +155C | Sn |
| 2H / W2H (2010) | 2.6 x 2.0 x 0.50 x 0.50 | 0.75W | 1.1k - 1M | 2%, 5% | 200 | 200V | -55C to +155C | Sn |
| 3A / W3A (2512) | 2.5 x 3.1 x 0.50 x 0.50 | 1.0W | 1 - 1k | 2%, 5% | 200 | 200V | -55C to +155C | Sn |
| W3A2 (2512) | 3.2 x 2.5 x 0.50 x 0.50 | 2.0W | 1 - 5.6M | 2%, 5% | 200 | 400V | -55C to +155C | 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-RK73B2ETTD910J_C2484467.pdf
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