Littelfuse WLTM Series Current Sense Resistors
The Littelfuse WLTM Series low ohm current sense resistor is designed for long-term stability, durability, and excellent heat dissipation. Its small package size makes it optimal for a wide range of applications, offering low TCR and optimal linearity in I/V conversion. The ceramic substrate ensures robustness.
Product Attributes
- Brand: Littelfuse
- Series: WLTM
- Type: Two-Terminal Surface Mount Resistor
- Certifications: RoHS, Pb-Free Assembly
- Material: Ceramic substrate
Technical Specifications
| Part Number | Size (Inch/mm) | Resistance Value (m) | Tolerance (%) | Power Rating (W) | TCR (ppm/C) | Standard Package Quantity |
|---|---|---|---|---|---|---|
| WLTM0508QLR010FNR | 0508 / 1220 | 10 | 1.0% | 1 | 50 | 5000 |
| WLTM0508QLR012FNR | 0508 / 1220 | 12 | 1.0% | 1 | 50 | 5000 |
| WLTM0508QLR020FNR | 0508 / 1220 | 20 | 1.0% | 1 | 50 | 5000 |
| WLTM0508RLR005FNR | 0508 / 1220 | 5 | 1.0% | 1 | 100 | 5000 |
| WLTM0612QLR005FNR | 0612 / 1632 | 5 | 1.0% | 1.5 | 100 | 5000 |
| WLTM0612QLR006FNR | 0612 / 1632 | 6 | 1.0% | 1.5 | 100 | 5000 |
| WLTM0612QLR007FNR | 0612 / 1632 | 7 | 1.0% | 1.5 | 100 | 5000 |
| WLTM0612QLR010FNR | 0612 / 1632 | 10 | 1.0% | 1.5 | 50 | 5000 |
| WLTM0612QLR012FNR | 0612 / 1632 | 12 | 1.0% | 1.5 | 50 | 5000 |
| WLTM0612QLR015FNR | 0612 / 1632 | 15 | 1.0% | 1.5 | 50 | 5000 |
| WLTM0612QLR016FNR | 0612 / 1632 | 16 | 1.0% | 1.5 | 50 | 5000 |
| WLTM0612QLR020FNR | 0612 / 1632 | 20 | 1.0% | 1.5 | 50 | 5000 |
| WLTM0612QLR039FNR | 0612 / 1632 | 39 | 1.0% | 1.5 | 50 | 5000 |
| WLTM0612QLR100FNR | 0612 / 1632 | 100 | 1.0% | 1.5 | 50 | 5000 |
| WLTM0815QLR010FYR | 0815 / 2238 | 10 | 1.0% | 2 | 50 | 4000 |
| WLTM0815RLR005FYR | 0815 / 2238 | 5 | 1.0% | 2 | 100 | 4000 |
| WLTM0815RLR006FYR | 0815 / 2238 | 6 | 1.0% | 2 | 100 | 4000 |
| WLTM1020QLR010FYR | 1020 / 2550 | 10 | 1.0% | 2 | 50 | 4000 |
| WLTM1225QLR010FYR | 1225 / 3264 | 10 | 1.0% | 3 | 50 | 4000 |
| WLTM1225QLR015FYR | 1225 / 3264 | 15 | 1.0% | 3 | 50 | 4000 |
| WLTM1225QLR020FYR | 1225 / 3264 | 20 | 1.0% | 3 | 50 | 4000 |
| WLTM1225QLR022FYR | 1225 / 3264 | 22 | 1.0% | 3 | 50 | 4000 |
| WLTM1225QLR030FYR | 1225 / 3264 | 30 | 1.0% | 3 | 50 | 4000 |
| WLTM1225QLR039FYR | 1225 / 3264 | 39 | 1.0% | 3 | 50 | 4000 |
| WLTM1225QLR100FYR | 1225 / 3264 | 100 | 1.0% | 3 | 50 | 4000 |
| WLTM1225RLR002FYR | 1225 / 3264 | 2 | 1.0% | 3 | 100 | 4000 |
| WLTM1225RLR004FYR | 1225 / 3264 | 4 | 1.0% | 3 | 100 | 4000 |
| WLTM1225RLR006FYR | 1225 / 3264 | 6 | 1.0% | 3 | 100 | 4000 |
| WLTM1225RLR007FYR | 1225 / 3264 | 7 | 1.0% | 3 | 100 | 4000 |
| WLTM1225RLR008FYR | 1225 / 3264 | 8 | 1.0% | 3 | 100 | 4000 |
Applications
- Power management
Benefits
- Low ESL
- High voltage
- Small size
- Optimal linearity in I/V conversion
Storage / Environment Conditions
- Temperature: +5 to +35 C
- Humidity: 45 to 85% relative humidity
- Moisture Sensitivity Level: 1, J-STD-020
- Avoid particulate contamination or harmful gases (e.g., sulfuric acid, hydrogen chloride).
- Store away from high temperatures, vibration, and direct sunlight.
- Keep in original airtight packaging until use.
2411261538_Littelfuse-WLTM0612QLR006FNR_C20350178.pdf
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