# WU732B15TTD22L0F

**KOA Speer Elec** · Chip Resistor - Surface Mount · 0612

WU732B15TTD22L0F from KOA Speer Elec, in a 0612. 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 | KOA Speer Elec |
| Package | 0612 |
| 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 |  | -1 |  | 1 | % | Suffix F = ±1% (MPN part-numbering table) | 1 |
| Resistance change, overload (short time) | ΔR | -2 | 0.2 | 2 | % | Rated Voltage x 2 for 5 seconds | 2 |
| Resistance change, resistance to solder heat | ΔR | -1 | 0.2 | 1 | % | 260°C ± 5°C, 10 seconds ± 1 second | 2 |
| Resistance change, bending test | ΔR | -1 | 0.1 | 1 | % | Holding point 90mm, Bending 1 time, Bending 5mm | 2 |
| Resistance change, rapid change of temperature | ΔR | -2 | 0.3 | 2 | % | -55°C (30 minutes), +125°C (30 minutes), 1000 cycles | 2 |
| Resistance change, moisture resistance | ΔR | -2 | 0.1 | 2 | % | 40°C ± 2°C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle | 2 |
| Resistance change, endurance at 70°C | ΔR | -2 | 0.2 | 2 | % | 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle | 2 |
| Resistance change, high temperature exposure | ΔR | -1 | 0.1 | 1 | % | +155°C, 1000 hours | 2 |
| Temperature coefficient of resistance (T.C.R.), 13m~27m range | TCR | -100 |  | 100 | x10-6/K | Resistance range 13m~27m (22 mΩ falls in this range); 25°C reference, +25°C/-55°C and +25°C/+125°C | 2 |
| Rated power | P |  |  | 1.5 | W | WU732B15 1.5W, rated at ambient temperature 70°C | 2 |
| Operating temperature range |  | -55 |  | 155 | °C | Operating temperature range -55°C to +155°C | 2 |

## CAD (KiCad official)

- Symbol: `WU732B15TTD22L0F`
- Footprint: `Resistor_SMD:R_0612_1632Metric`
- 3D model: 0612 (KiCad packages3D, STEP)
- 3D model files: `wu732b15ttd22l0f-etched.step` / `wu732b15ttd22l0f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wu732b15ttd22l0f.step` / `wu732b15ttd22l0f.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KOA Speer Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603017622116052992) (2 pp, sha256 `83c332780a2077d3`, retrieved 2026-10-12, 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/wu732b15ttd22l0f-datasheet.pdf)