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Specifications
Mfr. Part #:
LRMAM1206-R003FT5
Package:
1206
Key Attributes
Model Number:
LRMAM1206-R003FT5
Product Description
Low Resistance Metal Alloy Resistors LRMA Series
The LRMA Series low resistance metal alloy resistors are designed for current sensing applications in power electronics. They offer a wide resistance range, high temperature operation, and are available in low thermal EMF and high power versions. These resistors are AEC-Q200 qualified and comply with RoHS3 directives.
Product Attributes
- Brand: TT Electronics
- Series: LRMA
- Compliance: Pb-free, EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
- Certifications: AEC-Q200 qualified
- Construction: Copper electrode with nickel then tin plating, Low TCR resistance alloy plate
- Coating: UL94-V0
- Solvent Resistance: Resistant to all normal industrial cleaning solvents suitable for printed circuits.
- Storage Conditions: 5C to 35C and 40% to 75%RH
- Shelf life: 2 years from manufacture
Technical Specifications
| Attribute | Details |
| Resistance Range | 0.5m to 500m |
| Operating Temperature | Up to 170C |
| Features | Low thermal EMF version, High power version, Inverse version |
| Application | Current sensing for power electronics |
| Marking | Ohmic value (e.g., "R002"=2m, "R010"=10m). Specific markings for LRMAM1206 ("01"=1m), LRMAM0805 ("2"=2m, "010"=10m) |
| Thermal Performance & Mounting | Temperature rise dependent on mounting conditions. Reference conditions assume 20m copper with thermal vias. Self-heating in current tracks should be negligible or accounted for by derating. Designed for PCB mounting; probed measurements may read higher values. |
| Reference Pad Dimensions (mm) | 2.8 x 1.7 (0612), 0.4 x 1.83 (0805), 0.4 x 2.8 (1206), 1.2 x 4.5 (2010), 1.5 x 5.8 (2512), 5.4 x 3.4 (1225) |
| Probe Location Tolerances | 0.02mm |
| Processing | Suitable for wave and IR reflow soldering. Recommended reflow profile for Pb-free SAC305 alloy: Pre-heat: 60s-120s at 150C-180C; Soldering: 20s-40s at 230C; Peak: 5s at 255C-260C |
| Ordering Example | LRMAM2512-R01FT4 (LRMA, low thermal EMF, 2512, 10 milliohms 1%, Pb-free) |
2411261511_TT-Electronics-LRMAM1206-R003FT5_C22457949.pdf
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