RL73K3AR56JTDF
Public Made by Adomby adom
TE Connectivity Current Sense Resistors/Shunt Resistors, 2512. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
RL73K3AR56JTDF
TE Connectivity · Current Sense Resistors/Shunt Resistors · 2512
RL73K3AR56JTDF from TE Connectivity, in a 2512. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1 | passive | Terminal 1 of an unpolarised resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TE Connectivity |
| Package | 2512 |
| Category | Resistors |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Resistance tolerance (J = ±5%) | -5 | 5 | % | Tolerance suffix J = ±5% | 8 | ||
| Temperature coefficient of resistance (K = ±200 ppm/°C) | TCR | -200 | 200 | PPM/°C | Size 2512, RL73K3A; TCR measured -55°C to +125°C, 25°C reference | 2 | |
| Power rating | P | 1 | W | RL73 2512 (3A) standard power, @70°C; derate above 70°C per curve | 2 | ||
| Maximum operating temperature range | -55 | 155 | °C | Maximum operating temperature -55°C to +155°C | 3 | ||
| Short time overload resistance change | ΔR/R | -0.5 | 0.5 | % | Printed as ±(0.5%+0.05Ω); RCWV×2.5 or max overload voltage (lower), 5 s; absolute ±0.05Ω term not included in value | 6 | |
| Endurance resistance change | ΔR/R | -1 | 1 | % | Printed as ±(1.0%+0.05Ω); 70±2°C, RCWV for 1000 h with 1.5 h ON and 0.5 h OFF; absolute ±0.05Ω term not included | 6 | |
| Damp heat with load resistance change | ΔR/R | -0.5 | 0.5 | % | Printed as ±(0.5%+0.05Ω); 40±2°C, 90-95% R.H., RCWV for 1000 h, 1.5 h ON / 0.5 h OFF; absolute ±0.05Ω term not included | 6 | |
| Dry heat resistance change | ΔR/R | -0.5 | 0.5 | % | Printed as ±(0.5%+0.05Ω); +155°C for 1000 h; absolute ±0.05Ω term not included | 6 | |
| Bending strength resistance change | ΔR/R | -1 | 1 | % | Printed as ±(1.0%+0.05Ω); bending once for 5 s, 2512 size: 2 mm; absolute ±0.05Ω term not included | 6 | |
| Resistance to soldering heat resistance change | ΔR/R | -0.5 | 0.5 | % | Printed as ±(0.5%+0.05Ω); 260±5°C for 10 s; absolute ±0.05Ω term not included | 6 | |
| Rapid change of temperature resistance change | ΔR/R | -0.5 | 0.5 | % | Printed as ±(0.5%+0.05Ω); -55°C to +155°C, 5 cycles; absolute ±0.05Ω term not included | 6 | |
| Insulation resistance | 10 | G | Printed as ≥10G; unit printed without Ω | 6 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | nickel | and a nickel barrier layer beneath the solder to prolong terminal life. Following the developments by semiconductor manufacturers in the | 1 |
CAD (KiCad official)
- Symbol:
RL73K3AR56JTDF - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
rl73k3ar56jtdf-etched.step/rl73k3ar56jtdf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rl73k3ar56jtdf.step/rl73k3ar56jtdf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TE Connectivity datasheet (8 pp, sha256
c81f751e5529d4d4, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).