Board-to-cable/wire header, 4 circuits, 2.54mm pitch
The 640452-4: The UL94 V-0 thermoplastic housing meets enclosure flammability requirements.
This unshrouded header mates with MTA-100 IDC receptacles or crimp-style socket housings.

TE Connectivity AMP MTA-100, 640452-4, Board to Cable/Wire Header, 4 circuits, 0.100" (2.54mm) pitch, unshrouded, through-hole solder, UL94 V-0, RoHS3 compliant.
| Parameter | Value |
|---|---|
| Series | MTA-100 |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header |
| Voltage rating | 250VAC |
| Current rating | Varies by Wire Gauge |
| Operating temperature | -55°C ~ 105°C |
| Contact material | Copper Alloy |
| Insulation color | Natural |
| Insulation height | 0.100\" (2.54mm) |
| Insulation material | Thermoplastic |
| Material flammability rating | UL94 V-0 |
| Parameter | Value |
|---|---|
| Style | Board to Cable/Wire |
| Package | Bulk |
| Shrouding | Unshrouded |
| Termination | Solder |
| Applications | General Purpose |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 4 |
| Contact finish - post | Tin |
| Contact length - post | 0.140\" (3.56mm) |
| Overall contact length | 0.535\" (13.59mm) |
| Contact finish - mating | Tin |
| Contact length - mating | 0.295\" (7.49mm) |
The 640452-4: The UL94 V-0 thermoplastic housing meets enclosure flammability requirements.
This unshrouded header mates with MTA-100 IDC receptacles or crimp-style socket housings.
All positions are loaded.
No official substitute or cross-reference is recorded for this active part. The base product number 640452 covers multiple position counts; verify the specific circuit count and pitch before substituting.