Wirewound Power Radial Terminal Resistor - WPRT Series
The WPRT Series is a range of wirewound power radial terminal resistors designed for various applications requiring high overload capability and reliability. Available in power ratings from 10 to 50 watts, these resistors feature quick connect or soldered tag terminals, with optional mounting brackets for enhanced usability. They are AEC-Q200 qualified and offer a flameproof case, making them suitable for demanding environments. The series is RoHS compliant and Pb-free.
Product Attributes
- Brand: TT Electronics
- Series: WPRT
- Origin: BI Technologies IRC Welwyn
- Certifications: AEC-Q200 qualified, RoHS compliant, Pb-free
- Construction: High purity ceramic rod with wire element, ceramic case with fireproof insulation cement, tin plated steel terminals.
- Flammability: Resistor will not burn under any condition of applied temperature or overload.
- Solvent Resistance: Body protection and marking resistant to industrial solvents.
Technical Specifications
| Type | Power Rating (25C) (W) | Power Rating (70C) (W) | 5s Overload Rating (25C) (W) | Resistance Range () | Thermal Impedance (C/W) | Isolation Voltage (V) | TCR (ppm/C) | Resistance Tolerance (%) | Ambient Temp. Range (C) | L (mm) | W (mm) | D (mm) | P (mm) | J (mm) | K (mm) | F (mm) | G (mm) | E (mm) | M1 (mm) | M2 (mm) | H (mm) | N (mm) | S (mm) | R (mm) | Weight (nom.) (g) | SB (g) | SR (g) | ||
| WPRT10 | 10 | 10 | 50 | 1R0 - 820R | 18 | 2000 | <20R: 400, 20R: 350 | 5 | -55 to +155 | 48 | 10 | 9.01.0 | 32 | 4.1 | 5.5 | 2.5 | 3.0 | 8.7 | 5.0 | 12 | 4.2 | 4.2 | 18 | 23 | 60 | 72 | 11 | 16.5 | 18.5 |
| WPRT15 | 15 | 12.3 | 75 | 1R0 1K0 | 14 | 3000 | <20R: 400, 20R: 350 | 5 | -55 to +155 | 48 | 12.5 | 11.51.0 | 32 | 4.1 | 6.2 | 2.5 | 3.0 | 8.0 | 6.0 | 12 | 4.2 | 4.2 | 21 | 23 | 60 | 72 | 18 | 24 | 27.5 |
| WPRT20 | 20 | 16.4 | 100 | 2R0 1K2 | 12 | 4000 | <20R: 400, 20R: 350 | 5 | -55 to +155 | 63 | 12.5 | 13.51.0 | 44 | 4.1 | 6.2 | 2.5 | 3.0 | 10.0 | 6.0 | 12 | 4.2 | 4.2 | 21 | 23 | 74 | 86.5 | 27 | 34 | 37.5 |
| WPRT30 | 30 | 24.6 | 150 | 3R0 1K5 | 8.5 | 4000 | <20R: 400, 20R: 350 | 5 | -55 to +155 | 75 | 19 | 191.0 | 54 | 4.1 | 7.6 | 3.2 | 4.0 | 9.5 | 7.5 | 18 | 4.2 | 4.2 | 32 | 39 | 88 | 105 | 66 | 80 | 87.5 |
| WPRT40 | 40 | 32.8 | 200 | 6R0 1K5 | 7 | 4000 | <20R: 400, 20R: 350 | 5 | -55 to +155 | 90 | 19 | 190.6 | 70 | 4.1 | 7.6 | 3.2 | 4.0 | 9.5 | 7.5 | 18 | 5.2 | 4.5 | 32 | 39 | 104 | 122 | 81 | 94 | 105.5 |
| WPRT50 | 50 | 41 | 250 | 6R0 1K5 | 7 | 4000 | <20R: 400, 20R: 350 | 5 | -55 to +155 | 90 | 19 | 190.6 | 70 | 4.1 | 7.6 | 3.2 | 4.0 | 9.5 | 7.5 | 18 | 5.2 | 4.5 | 32 | 39 | 104 | 122 | 81 | 94 | 105.5 |
2412061725_TT-Electronics-WPRT20AB-68RJB270_C7117634.pdf
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