# AC03000002708JAC00

**Vishay Intertech** · Through Hole Resistors · R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal

AC03000002708JAC00 from Vishay Intertech, in a R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal. 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 | Vishay Intertech |
| Package | R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal resistance | R |  | 27 |  | Ω |  | 2 |
| Resistance tolerance (code J) |  | -5 |  | 5 | % | J = ± 5.0 % | 2 |
| Temperature coefficient of resistance | TCR | -80 |  | -10 | ppm/K | resistance range 0.10 Ω to 390 Ω | 1 |
| Rated dissipation P40 | P40 |  | 3 |  | W |  | 1 |
| Rated dissipation P70 | P70 |  | 2.5 |  | W |  | 1 |
| Operating temperature range | T | -55 |  | 250 | °C |  | 1 |
| Short time overload permissible resistance change | ΔR | -2 |  | 2 | % R | room temperature; 10x rated power P40; 5 s; ± (2 % R + 0.1 Ω) | 9 |
| Robustness of terminations permissible resistance change | ΔR | -0.5 |  | 0.5 | % R | tensile, bending and torsion; no damage; ± (0.5 % R + 0.05 Ω) | 9 |
| Resistance to soldering heat permissible resistance change | ΔR | -0.5 |  | 0.5 | % R | unmounted components, (260 ± 5) °C; (10 ± 1) s; ± (0.5 % R + 0.05 Ω) | 9 |
| Rapid change of temperature permissible resistance change | ΔR | -1.5 |  | 1.5 | % R | 30 min at -55 °C and 30 min at +200 °C; 5 cycles; ± (1.5 % R + 0.05 Ω) | 9 |
| Climatic sequence dry heat permissible resistance change | ΔR | -1 |  | 1 | % R | dry heat 16 h; 200 °C; ± (1 % R + 0.05 Ω) | 9 |
| Damp heat steady state permissible resistance change | ΔR | -5 |  | 5 | % R | 56 days; (40 ± 2) °C; (93 ± 5) % RH; ± (5 % R + 0.1 Ω) | 9 |
| Endurance at room temperature permissible resistance change | ΔR | -5 |  | 5 | % R | 1000 h; loaded with 116 % of P70; 1.5 h ON and 0.5 h OFF; ± (5 % R + 0.1 Ω) | 9 |
| Endurance at upper category temperature permissible resistance change | ΔR | -5 |  | 5 | % R | 200 °C; 30 % of P70; 1000 h; ± (5 % R + 0.1 Ω) | 9 |
| Damp heat accelerated permissible resistance change | ΔR | -5 |  | 5 | % R | (85 ± 2) °C; RH (85 ± 3) %; 1000 h; 10 % of operation power (P70); U ≤ 0.3 x Umax.; ± (5 % R + 0.1 Ω) | 9 |
| Electrostatic discharge permissible resistance change | ΔR | -5 |  | 5 | % R | 2 discharges, 8 kV (1 positive, 1 negative); ± (5 % R + 0.1 Ω) | 9 |

## 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 |  | tin | The resistors are axial leaded for soldering. The terminals of the resistors are completely lead (Pb)-free, the special tin | 4 |

## CAD (KiCad official)

- Symbol: `AC03000002708JAC00`
- Footprint: `Resistor_THT:R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal`
- 3D model: R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal (KiCad packages3D, STEP)

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Vishay Intertech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589005293057413120) (12 pp, sha256 `246742c2396d6eef`, retrieved 2026-11-07, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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).

[Datasheet PDF](docs/ac03000002708jac00-datasheet.pdf)