Board-to-wire header with one-wall shrouding
The 641213-3: Gold-plated mating contacts and a 250 VAC rating suit it for signal-level circuits; the one-wall shroud guides the mating receptacle and protects the pins.

TE Connectivity AMP Connectors MTA-100 header, order code 641213-3, 3 positions, single row, 0.100" (2.54 mm) pitch, 250 VAC, gold-plated mating contacts, through-hole, solder termination.
| 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 | 0.305\" (7.75mm) |
| Insulation material | Thermoplastic |
| Material flammability rating | UL94 V-0 |
| Parameter | Value |
|---|---|
| Style | Board to Cable/Wire |
| Package | Bulk |
| Shrouding | Shrouded - 1 Wall |
| Termination | Solder |
| Applications | General Purpose |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 3 |
| Contact finish - post | Tin-Lead |
| Contact length - post | 0.140\" (3.56mm) |
| Overall contact length | 0.535\" (13.59mm) |
| Contact finish - mating | Gold |
| Contact length - mating | 0.295\" (7.49mm) |
| Contact finish thickness - post | 150.0µin (3.81µm) |
| Contact finish thickness - mating | 30.0µin (0.76µm) |
The 641213-3: Gold-plated mating contacts and a 250 VAC rating suit it for signal-level circuits; the one-wall shroud guides the mating receptacle and protects the pins.
It is a board-to-cable/wire header with a single wall shroud, designed to mate with the corresponding MTA-100 receptacle.