# T0603FF0500TM

**AEM** · Disposable Fuses · 0603

T0603FF0500TM from AEM, in a 0603. 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 | First fuse termination (copper with nickel and tin plating), non-polarized; rated 0.5 A, 65 VDC, nominal cold DCR 0.185 Ω. |
| 2 | 2 | passive | Second fuse termination (copper with nickel and tin plating), non-polarized; rated 0.5 A, 65 VDC, interrupting rating 50A@35V DC/AC or 13A@65V DC. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | AEM |
| Package | 0603 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Opening time at 100% of current rating |  | 4 |  |  | hours | 100% of current rating, opening time at 25°C | 1 |
| Opening time at 200% of current rating |  |  |  | 5 | seconds | 200% of current rating, opening time at 25°C | 1 |
| Opening time at 300% of current rating |  |  |  | 0.2 | second | 300% of current rating, opening time at 25°C | 1 |
| Operating temperature |  | -55 |  | 90 | °C |  | 1 |
| Current rating |  |  | 0.5 |  | A |  | 1 |
| Voltage rating |  |  | 65 |  | VDC |  | 1 |
| Nominal cold DCR |  |  | 0.185 |  | Ω | Measured at ≤10% of rated current and 25˚C ambient | 1 |
| Nominal I2t |  |  | 0.012 |  | A2s | Melting I2t at 0.001 sec | 1 |
| Bending: DCR change |  |  |  | 10 | % | Bending, 2mm; ≤1A rating | 4 |
| Bending: DCR change (>1A rating) |  |  |  | 20 | % | Bending, 2mm; >1A rating | 4 |
| Solderability |  | 95 |  |  | % | One dip at 255℃ for 5 seconds (MIL-STD-202 Method 208); 95% coverage min. | 4 |
| Thermal shock: DCR change |  | -10 |  | 10 | % | 100 cycles between -55°C and +125°C (MIL-STD-202 Method 107) | 4 |
| Moisture resistance: DCR change |  | -10 |  | 10 | % | 10 cycles (MIL-STD-202 Method 106) | 4 |
| Salt spray: DCR change |  | -10 |  | 10 | % | 5% salt solution, 48 hour exposure (MIL-STD-202 Method 101) | 4 |
| Mechanical vibration: DCR change |  | -10 |  | 10 | % | 0.4" D.A. or 30G between 5 and 3000 Hz (MIL-STD-202 Method 204) | 4 |
| Mechanical shock: DCR change |  | -10 |  | 10 | % | 1500G, 0.5 ms, half sine shocks (MIL-STD-202 Method 213) | 4 |
| Life: change of voltage drop |  | -10 |  | 10 | % | 75% rated current, 2000 hours, ambient temperature +20°C to 30°C; no open circuit | 4 |
| Reflow peak package body temperature (Tp) | Tp |  |  | 260 | °C | Pb-free assembly; time within 5°C of classification temperature 30 seconds | 5 |
| Soldering iron tip temperature |  |  |  | 350 | °C | Manual correction with soldering iron | 5 |
| Soldering iron contact time |  |  |  | 3 | seconds | Manual correction with soldering iron; tip not touching top termination | 5 |

## CAD (KiCad official)

- Symbol: `T0603FF0500TM`
- Footprint: `Fuse:Fuse_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `t0603ff0500tm-etched.step` / `t0603ff0500tm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `t0603ff0500tm.step` / `t0603ff0500tm.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [AEM datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911181020991489) (6 pp, sha256 `1239579d75b7d037`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (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/t0603ff0500tm-datasheet.pdf)