TT Electronics Welwyn OAR Series Current Sense Resistor - 5
TT Electronics Welwyn OAR series current sense resistor. Metal strip, radial leaded, superior surge performance, and hot spot isolation.
The TT Electronics Welwyn OAR Series Current Sense Resistor is a high-performance through-hole metal element resistor designed for precise current sensing applications. Utilising advanced metal strip technology, this radial leaded component ensures reliable and accurate measurements, making it an ideal choice for power management and circuit protection.
Engineered for demanding environments, the OAR (Open Air Resistor) series delivers superior surge performance, effectively handling transient events without compromising functionality. A key design advantage is the isolation of the hot spot from the PCB material, which protects the board from thermal damage and enhances overall system reliability.
These current sensing resistors offer low resistance values and feature an excellent temperature coefficient of resistance (TCR) of ±20ppm/°C, ensuring stability across varying thermal conditions. With an impressive endurance of 1000 hours at 25°C and an operating temperature range spanning from -40°C to +125°C, this resistor is built for long-lasting durability. The precise resistance tolerance provides the accuracy required for critical electronic circuits, offering consistent performance in a robust, open-air format.
Variant Details
- Size: 5
- For current sensing applications
- For power management circuits
- For circuit protection
- For through-hole PCB mounting
- Series: OAR
- Resistor Technology: Metal Strip
- Case / Package: Radial Leaded
- Resistance: 0.01 Ohm
- Resistance Tolerance: ± 1%
- Power Rating: 5W
- Temperature Coefficient: ± 20ppm/°C
- Endurance: 1000h at 25°C
- Operating Temperature Min: -40°C
- Operating Temperature Max: 125°C
- Weight: 2 grams
- Height: 43 mm
- Width: 33 mm
- Depth: 15 mm
- High Power Resistor Resistance: 0.01ohm
- Product Range: OAR Series
- Resistor Case / Package: Radial Leaded
- SVHC: No SVHC (04-Feb-2026)
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