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Specifications
Power(Watts):
100mW
Resistance:
25.5Ω
Voltage Rating:
50V
Temperature Coefficient:
±100ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±1%
Mfr. Part #:
RK73H1ETTP25R5F
Package:
0402
Key Attributes
Model Number:
RK73H1ETTP25R5F
Product Description
RK73H Precision Thick Film Chip Resistors
The RK73H series offers high-precision thick film chip resistors with 0.5% and 1% tolerances. These resistors are designed to meet stringent industry requirements, including EU RoHS compliance for lead-free terminations. They are AEC-Q200 qualified, making them suitable for demanding automotive and industrial applications.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Certifications: EU RoHS Compliant, AEC-Q200 Qualified
- Material: Thick Film
Technical Specifications
| Type (Inch Size Code) | L (mm) | c (mm) | W (mm) | d (mm) | t (mm) | Power Rating | Max. Working Voltage | Operating Temp. Range | T.C.R. (x10^-6/K) | Resistance Range |
| 1F (01005) | 0.4 (0.016.0008) | 0.2 (0.008.0008) | 0.1 (0.004.001) | 0.11 (0.004.001) | 0.02 (0.005.0008) | 0.03W | 20V | -55C to +125C | 250 | 10 - 91k |
| 1H (0201) | 0.6 (0.024.001) | 0.3 (0.012.001) | 0.25 (0.01.002) | 0.1 (0.004.002) | 0.1 (0.004.002) | 0.05W | 25V | -55C to +125C | 200 | 10 - 1M |
| 1E (0402) | 1.0 (0.039 +.004 -.002) | 0.3 (0.012.001) | 0.5 (0.02.002) | 0.2 (0.008.004) | 0.15 (0.006.002) | 0.1W | 50V | -55C to +155C | 200 | 10 - 1M |
| 1J (0603) | 1.6 (0.063.008) | 0.4 (0.016.008) | 0.8 (0.031.004) | 0.2 (0.008.004) | 0.2 (0.008.004) | 0.125W | 50V | -55C to +155C | 200 | 10 - 1M |
| 2A (0805) | 2.0 (0.079.008) | 0.5 (0.02.004) | 1.25 (0.049.004) | 0.3 (0.012.004) | 0.25 (0.01.002) | 0.25W | 75V | -55C to +155C | 100 | 10 - 1M |
| 2B (1206) | 2.6 (0.102.008) | 0.6 (0.024.004) | 1.6 (0.063.008) | 0.3 (0.012.004) | 0.3 (0.012.004) | 0.25W | 100V | -55C to +155C | 100 | 10 - 1M |
| 2E (1210) | 3.2 (0.126.008) | 0.6 (0.024.004) | 2.0 (0.079.008) | 0.3 (0.012.004) | 0.3 (0.012.004) | 0.5W | 150V | -55C to +155C | 100 | 10 - 1M |
| 2H/W2H (2010) | 5.0 (0.197.008) | 2.5 (0.098.008) | 1.6 (0.063.008) | 0.4 (0.016.008) | 0.4 (0.016.008) | 0.75W | 200V | -55C to +155C | 100 | 10 - 1M |
| 3A/W3A (2512) | 6.3 (0.248.008) | 3.1 (0.122.008) | 2.0 (0.079.008) | 0.65 (0.026.006) | 0.65 (0.026.006) | 1.0W | 400V | -55C to +155C | 100 | 10 - 1M |
| W3A2 (2512) | 6.3 (0.248.008) | 3.1 (0.122.008) | 2.0 (0.079.008) | 0.65 (0.026.006) | 0.65 (0.026.006) | 2.0W | 400V | -55C to +155C | 100 | 10 - 1M |
Performance Characteristics
| Parameter | Requirement | Limit | Test Method |
| Resistance T.C.R. | 25C +25C/-55C and +25C/+125C | 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 ~ W3A2 (10R1M); 3%: 1H ~ W3A2 (R<10, R>1M) | |
| Rapid Change of Temperature | -55C (30 minutes), +125C (30 minutes), 100 cycles | 1%: 1F 0.5% 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 | |
| Endurance at 70C | 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle | 2%: 1J, 2A, 2B 3%: Another | |
| High Temperature Exposure | +125C, 1000 hours: 1F; +155C, 1000 hours: 1E, 1H, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A2 | 1% |
2410121530_KOA-RK73H1ETTP25R5F_C830244.pdf
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