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Specifications
Mfr. Part #:
ULR3-R003FT2
Package:
2512
Key Attributes
Model Number:
ULR3-R003FT2
Product Description
Metal Element Current Sense Resistor ULR Series
The ULR Series Metal Element Current Sense Resistors are designed for robust performance in high temperature and high current applications. Featuring a low TCR and inductance, these resistors offer power ratings up to 5W and a resistance range from 0.15m to 10m. Higher wattage devices incorporate a PCB clearance gap to optimize thermal performance. They are RoHS compliant and available in various sizes and coatings, including options for reflow or wave soldering.
Product Attributes
- Brand: TT Electronics
- Series: ULR
- Certifications: AEC-Q200 (full qualification for 2512 size; tests marked * for 1206 and 2010 sizes), EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
- Material: Metal Element, Matt tin plated finish over copper termination
- Coatings: Black Coat, Green Underside Coat
Technical Specifications
| Type | Size | Coating | Power Rating @80C (W) | Standard Resistance Value (m) | TCR (ppm/C) | Tolerance (%) | Ambient Temperature (C) |
| ULRG1 / ULR1S | 1206 | Green Underside | 1 | 0.2, 0.25, 0.3, 0.4, 0.5, 0.6 | 200 | 1, 5 | -55 to +170 |
| ULRG15 / ULR15S | 2010 | Green Underside | 1.5 | 0.2, 0.25, 0.3, 0.4, 0.5 | 150 | 0.75, 1, 1.5, 2, 2.5, 3, 4, 5, 5.5, 6, 7, 8, 9, 10 | -55 to +170 |
| ULR2N | 1020 | 2 | 1 | 300 | 1.5, 2, 2.5, 3 | -55 to +170 | |
| ULRG2 / ULR2 | 2512 | Green Underside | 2 | 6.5, 7, 7.5, 8, 9, 10 | 50 | -55 to +170 | |
| ULRG25 / ULR25 | 2512 | Green Underside | 2.5 | 3.5, 4, 4.5, 5, 5.5, 6 | 50 | -55 to +170 | |
| ULRG3 / ULR3 | 2512 | Green Underside | 3 | 0.15, 0.25, 0.3, 0.4, 0.5, 0.75 | 150 | 1, 1.5, 2, 2.5, 3 | -55 to +170 |
| ULR5 | 2512 | Green Underside | 5 | 0.5, 0.75 | 150 | 1, 1.5, 2, 2.5, 3 | -55 to +170 |
| ULR3N | 1225 | 3 | 0.1 | 500 | 0.2, 0.25, 0.3, 0.4 | -55 to +170 | |
| ULR3N | 1225 | 3 | 0.5 | 300 | 0.7, 0.75, 0.8, 0.9, 1.0 | -55 to +170 | |
| ULR3N | 1225 | 3 | 1.5, 2.0, 2.5, 3.0 | 100 | -55 to +170 | ||
| ULRB1 / ULR1 | 2512 | Black | 1 | 0.5, 0.75, 1, 1.5, 2 | 50 | 200 | -55 to +170 |
| ULRB1 / ULR1 | 2512 | Black | 1 | 2.5, 3, 3.5 | 50 | 150 | -55 to +170 |
| ULRB1 / ULR1 | 2512 | Black | 1 | 4, 4.5, 5, 5.5, 10 | 50 | 100 | -55 to +170 |
| ULRB1 / ULR1 | 2512 | Black | 1 | 6, 6.5, 7, 7.5 | 50 | 75 | -55 to +170 |
| ULRB2 / ULR2 | 2512 | Black | 2 | 0.5, 0.75, 1, 1.5, 2 | 50 | 200 | -55 to +170 |
| ULRB2 / ULR2 | 2512 | Black | 2 | 2.5, 3 | 50 | 150 | -55 to +170 |
Physical Data
| Size | Coating | Values | L (0.25) mm | W mm | T (0.2) mm | D mm | Wt (nom) mg |
| 1206 | Green Underside | 0.2, 0.25 | 3.2 | 1.6 0.3 | 1.0 | 1.5 0.25 | 25 |
| 1206 | Green Underside | 0.3, 0.4 | 3.2 | 1.6 0.3 | 1.0 | 1.4 0.25 | 25 |
| 1206 | Green Underside | 0.5, 0.6 | 3.2 | 1.6 0.3 | 0.6 | 1.35 0.25 | 20 |
| 1206 | Green Underside | 0.75 | 3.2 | 1.6 0.3 | 0.6 | 1.23 0.25 | 20 |
| 1206 | Green Underside | 1, 1.2, 3.5, 4, 5, 5.5, 6 | 3.2 | 1.6 0.3 | 0.6 | 1.1 0.25 | 20 |
| 1206 | Green Underside | 2, 2.5, 3, 10 | 3.2 | 1.6 0.3 | 0.6 | 0.6 0.25 | 20 |
| 1206 | Green Underside | 7, 8, 9 | 3.2 | 1.6 0.3 | 0.6 | 0.9 0.25 | 20 |
| 2010 | 0.2 | 5.08 | 2.54 0.3 | 1.0 | 2.34 0.25 | 50 | |
| 2010 | 0.25 | 5.08 | 2.54 0.3 | 1.0 | 2.24 0.25 | 50 | |
| 2010 | 0.3 | 5.08 | 2.54 0.3 | 1.0 | 2.04 0.25 | 50 | |
| 2010 | 0.4 | 5.08 | 2.54 0.3 | 1.0 | 1.84 0.25 | 50 | |
| 2010 | 0.5 | 5.08 | 2.54 0.15 | 0.6 | 2.54 0.15 | 40 | |
| 2010 | 0.6 | 5.08 | 2.54 0.15 | 0.6 | 2.17 0.25 | 40 | |
| 2010 | 0.75 | 5.08 | 2.54 0.15 | 0.6 | 2.04 0.25 | 40 | |
| 2010 | 1, 1.5, 4, 5, 5.5 | 5.08 | 2.54 0.15 | 0.6 | 1.84 0.25 | 40 | |
| 2010 | 2, 2.5, 6, 7, 8 | 5.08 | 2.54 0.15 | 0.6 | 1.54 0.25 | 40 | |
| 2010 | 3 | 5.08 | 2.54 0.15 | 0.6 | 1.04 0.25 | 40 | |
| 2010 | 9, 10 | 5.08 | 2.54 0.15 | 0.6 | 1.29 0.25 | 40 | |
| 1020 | 1, 1.5, 2, 2.5, 3 | 2.54 | 5.080.25 | 0.6 | 0.57 0.25 | 45 | |
| 2512 | Green Underside | 0.15 | 6.35 | 3.0 0.3 | 1.0 | 2.98 0.25 | 59 |
| 2512 | Green Underside | 0.2 | 6.35 | 3.0 0.3 | 1.0 | 2.88 0.25 | 59 |
| 2512 | Green Underside | 0.25, 0.3 | 6.35 | 3.0 0.3 | 1.0 | 2.68 0.25 | 59 |
| 2512 | Green Underside | 0.4 | 6.35 | 3.0 0.3 | 1.0 | 2.18 0.25 | 59 |
| 2512 | Green Underside | 0.5 | 6.35 | 3.0 0.2 | 0.6 | 2.68 0.25 | 59 |
| 2512 | Green Underside | 0.75 | 6.35 | 3.0 0.2 | 0.6 | 2.48 0.25 | 59 |
| 2512 | Green Underside | 1, 5, 5.5, 6 | 6.35 | 3.0 0.2 | 0.6 | 1.93 0.25 | 59 |
| 2512 | Green Underside | 2, 2.5, 3, 3.5, 8, 9, 10 | 6.35 | 3.0 0.2 | 0.6 | 1.18 0.25 | 59 |
| 2512 | Green Underside | 4, 4.5 | 6.35 | 3.0 0.2 | 0.6 | 2.18 0.25 | 59 |
| 2512 | Green Underside | 1.5, 6.5, 7, 7.5 | 6.35 | 3.0 0.2 | 0.6 | 1.43 0.25 | 59 |
| 1225 | 0.1, 0.2 | 6.350.25 | 1 | 1.00.25 | 65 | ||
| 1225 | 0.25, 0.3, 0.4 | 6.350.25 | 1 | 0.50.25 | 65 | ||
| 1225 | 0.5, 0.7, 0.75, 0.8, 0.9, 1.0 | 6.350.25 | 1 | 0.50.25 | 65 | ||
| 1225 | 1.5 | 6.350.25 | 1 | 1.00.25 | 65 | ||
| 1225 | 2 | 6.350.25 | 1 | 0.80.25 | 65 | ||
| 1225 | 2.5, 3.0 | 6.350.25 | 1 | 0.50.25 | 65 | ||
| 2512 | Black | 0.5 | 6.35 | 3.18 0.25 | 1.25 | 1.85 0.38 | 184 |
| 2512 | Black | 0.75 | 6.35 | 3.18 0.25 | 1.25 | 1.55 0.38 | 131 |
| 2512 | Black | 1 | 6.35 | 3.18 0.25 | 1.25 | 0.65 | 111 |
| 2512 | Black | 1.5 | 6.35 | 3.18 0.25 | 1.25 | 0.45 | 69 |
| 2512 | Black | 2 | 6.35 | 3.18 0.25 | 1.25 | 0.35 | 49 |
| 2512 | Black | 2.5 | 6.35 | 3.18 0.25 | 1.4 | 0.65 | 98 |
| 2512 | Black | 3 | 6.35 | 3.18 0.25 | 1.4 | 0.55 | 83 |
| 2512 | Black | 4 | 6.35 | 3.18 0.25 | 1.4 | 0.45 | 63 |
| 2512 | Black | 5 | 6.35 | 3.18 0.25 | 1.4 | 0.35 | 50 |
| 2512 | Black | 6 | 6.35 | 3.18 0.25 | 1.4 | 0.32 | 42 |
| 2512 | Black | 6.5 | 6.35 | 3.18 0.25 | 1.4 | 0.3 | 36 |
| 2512 | Black | 7 | 6.35 | 3.18 0.25 | 1.4 | 0.27 | 34 |
| 2512 | Black | 10 | 6.35 | 3.18 0.25 | 1.4 | 0.25 | 26 |
2504101957_TT-Electronics-ULR3-R003FT2_C22429203.pdf
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