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Specifications
Resistance:
3.48kΩ
Power(Watts):
250mW
Voltage Rating:
150V
Temperature Coefficient:
±100ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±0.5%
Mfr. Part #:
RK73H2ATTD3481D
Package:
0805
Key Attributes
Model Number:
RK73H2ATTD3481D
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 feature lead-free terminations compliant with EU RoHS requirements. They are AEC-Q200 qualified, making them suitable for demanding automotive and industrial applications. The resistors are constructed with a ceramic substrate, resistive film, protective coating, inner electrode, and solder plating.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Certifications: EU RoHS Compliant, AEC-Q200 Qualified
Technical Specifications
| Type Size (EIA Code) | L (mm) | W (mm) | d (mm) | t (mm) | Power Rating (W) | Max Working Voltage (V) | Operating Temp. Range (C) | T.C.R. (x10-6/K) | Resistance Range |
|---|---|---|---|---|---|---|---|---|---|
| 1F (01005) | 0.4 (0.016) | 0.2 (0.008) | 0.1 (0.004) | 0.11 (0.004) | 0.03 | 20 | -55 to +125 | ±250 | 10Ω - 91kΩ |
| 1H (0201) | 0.6 (0.024) | 0.3 (0.012) | 0.1 (0.004) | 0.1 (0.004) | 0.05 | 25 | -55 to +125 | ±200 | 10Ω - 1MΩ |
| 1E (0402) | 1.0 (0.039) | 0.5 (0.02) | 0.15 (0.006) | 0.13 (0.005) | 0.1 | 30 | -55 to +155 | ±200 | 10Ω - 1MΩ |
| 1J (0603) | 1.6 (0.063) | 0.8 (0.031) | 0.2 (0.008) | 0.2 (0.008) | 0.125 | 50 | -55 to +155 | ±200 | 10Ω - 1MΩ |
| 2A (0805) | 2.0 (0.079) | 1.25 (0.049) | 0.23 (0.009) | 0.25 (0.01) | 0.25 | 75 | -55 to +155 | ±100, ±200, ±400 | 10Ω - 1MΩ |
| 2B (1206) | 2.6 (0.102) | 1.6 (0.063) | 0.3 (0.012) | 0.3 (0.012) | 0.25 | 100 | -55 to +155 | ±100, ±200, ±400 | 10Ω - 1MΩ |
| 2E (1210) | 3.2 (0.126) | 2.0 (0.079) | 0.4 (0.016) | 0.3 (0.012) | 0.5 | 150 | -55 to +155 | ±100, ±200, ±400 | 10Ω - 1MΩ |
| 2H/W2H (2010) | 5.0 (0.197) | 2.5 (0.098) | 0.5 (0.02) | 0.4 (0.016) | 0.75 | 200 | -55 to +155 | ±100, ±200, ±400 | 10Ω - 1MΩ |
| 3A/W3A (2512) | 6.3 (0.248) | 3.1 (0.122) | 0.65 (0.026) | 0.5 (0.02) | 1.0 | 200 | -55 to +155 | ±100, ±200, ±400 | 10Ω - 1MΩ |
| W3A2 (2512) | 6.3 (0.248) | 3.1 (0.122) | 0.65 (0.026) | 0.5 (0.02) | 2.0 | 400 | -55 to +155 | ±100, ±200, ±400 | 10Ω - 1MΩ |
Performance Characteristics
| Parameter | Requirement | Test Method |
|---|---|---|
| Resistance T.C.R. | Within specified tolerance | — |
| Overload (Short time) | ±2% (1E, 2B, W3A2: ±2%) | Rated Voltage x 2.5 for 5 seconds (1E, 2B, W3A2: Rated Voltage x 2 for 5 seconds) |
| Resistance to Soldering Heat | ±1% (1F ~ W3A2 (10Ω≥R≥1MΩ)); ±3% (1H ~ W3A2 (R<10Ω, R>1MΩ)) | 260°C ± 5°C, 10 seconds ± 1 second |
| Rapid Change of Temperature | ±1% (1F); ±0.5% (Another) | -55°C (30 minutes), +125°C (30 minutes), 100 cycles |
| Moisture Resistance | ±2% (1J, 2A, 2B); ±3% (Another) | 40°C ± 2°C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle |
| Endurance at 70°C | ±2% (1J, 2A, 2B); ±3% (Another) | 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle |
| High Temperature Exposure | ±1% | +125°C, 1000 hours: 1F; +155°C, 1000 hours: 1E, 1H, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A2 |
2410121530_KOA-RK73H2ATTD3481D_C516093.pdf
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