CC12H4.5A-TR

EATON · Disposable Fuses · 1206

CC12H4.5A-TR from EATON, in a 1206. 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	Fuse terminal 1 (non-polarized end termination); part rated 4.5 A, 32 Vdc, 100 A interrupting rating.
2	2	passive	Fuse terminal 2 (non-polarized end termination); part rated 4.5 A, 32 Vdc, 100 A interrupting rating.

Key specifications

Parameter	Value
Manufacturer	EATON
Package	1206
Category	Circuit Protection
Pins	2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Min	Typ	Max	Unit	Conditions	Page
Opening time at 100% of rated current (amp rating 250 mA, 30 A)	4			hours	Condition 100%; applies to the 250 mA, 30 A amp rating range (includes 4.5 A)	2
Opening time at 250% of rated current (amp rating 1 A, 5 A)			5	s	Condition 250%; applies to the 1 A, 5 A amp rating range (includes 4.5 A)	2
Opening time at 300% of rated current (amp rating 1 A, 5 A)	0.1		3	s	Condition 300%; applies to the 1 A, 5 A amp rating range (includes 4.5 A)	2
Operating temperature	-55		125	°C	With derating (see temperature derating curve)	6
Current rating		4.5		A	Product specifications table, CC12H4.5A	2
Voltage rating		32		Vdc	Product specifications table, CC12H4.5A (32 Vdc; the 63 Vdc rating applies to lower-current siblings, not this part)	2
Interrupting rating		100		A	Measured at rated voltage, time constant of less than 50 microseconds, battery source	2
Typical DC cold resistance		28		mΩ	Measured at <10% of rated current	2
Typical pre-arcing I²t		4.2		A2s	Measured at 10In rated current	2
Typical voltage drop		160		mV	None printed in product specifications table	2

CAD (KiCad official)

Symbol: CC12H4.5A-TR
Footprint: Fuse:Fuse_1206_3216Metric
3D model: 1206 (KiCad packages3D, STEP)
3D model files: cc12h4-5a-tr-etched.step / cc12h4-5a-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cc12h4-5a-tr.step / cc12h4-5a-tr.glb are the bare package body.

Provenance

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

Datasheet: EATON datasheet (8 pp, sha256 240f263697e2187a, retrieved 2026-10-17, 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

# CC12H4.5A-TR

**EATON** · Disposable Fuses · 1206

CC12H4.5A-TR from EATON, in a 1206. 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 | Fuse terminal 1 (non-polarized end termination); part rated 4.5 A, 32 Vdc, 100 A interrupting rating. |
| 2 | 2 | passive | Fuse terminal 2 (non-polarized end termination); part rated 4.5 A, 32 Vdc, 100 A interrupting rating. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | EATON |
| Package | 1206 |
| 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 rated current (amp rating 250 mA, 30 A) |  | 4 |  |  | hours | Condition 100%; applies to the 250 mA, 30 A amp rating range (includes 4.5 A) | 2 |
| Opening time at 250% of rated current (amp rating 1 A, 5 A) |  |  |  | 5 | s | Condition 250%; applies to the 1 A, 5 A amp rating range (includes 4.5 A) | 2 |
| Opening time at 300% of rated current (amp rating 1 A, 5 A) |  | 0.1 |  | 3 | s | Condition 300%; applies to the 1 A, 5 A amp rating range (includes 4.5 A) | 2 |
| Operating temperature |  | -55 |  | 125 | °C | With derating (see temperature derating curve) | 6 |
| Current rating |  |  | 4.5 |  | A | Product specifications table, CC12H4.5A | 2 |
| Voltage rating |  |  | 32 |  | Vdc | Product specifications table, CC12H4.5A (32 Vdc; the 63 Vdc rating applies to lower-current siblings, not this part) | 2 |
| Interrupting rating |  |  | 100 |  | A | Measured at rated voltage, time constant of less than 50 microseconds, battery source | 2 |
| Typical DC cold resistance |  |  | 28 |  | mΩ | Measured at <10% of rated current | 2 |
| Typical pre-arcing I²t |  |  | 4.2 |  | A2s | Measured at 10In rated current | 2 |
| Typical voltage drop |  |  | 160 |  | mV | None printed in product specifications table | 2 |

## CAD (KiCad official)

- Symbol: `CC12H4.5A-TR`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `cc12h4-5a-tr-etched.step` / `cc12h4-5a-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cc12h4-5a-tr.step` / `cc12h4-5a-tr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [EATON datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600474836229632000) (8 pp, sha256 `240f263697e2187a`, retrieved 2026-10-17, 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/cc12h4-5a-tr-datasheet.pdf)