TE Connectivity AMP Connectors MTA-100 header, order code 644861-9, 9 positions, single row, 0.100" (2.54 mm) pitch, 250 VAC, tin-lead mating contacts, through-hole, solder termination.
| Parameter | Value |
|---|---|
| Series | MTA-100 |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header |
| Fastening type | Friction Lock |
| Voltage rating | 250VAC |
| Current rating | Varies by Wire Gauge |
| Operating temperature | -55°C ~ 105°C |
| Contact material | Copper Alloy |
| Insulation color | Black |
| Insulation height | 0.410\" (10.41mm) |
| Insulation material | Polyester |
| Parameter | Value |
|---|---|
| Material flammability rating | UL94 V-0 |
| Style | Board to Cable/Wire |
| Package | Bulk |
| Shrouding | Shrouded - 4 Wall |
| Termination | Solder |
| Applications | General Purpose |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 9 |
| Contact finish - post | Tin-Lead |
| Contact length - post | 0.140\" (3.56mm) |
| Overall contact length | 0.440\" (11.18mm) |
| Contact finish - mating | Tin-Lead |
| Contact length - mating | 0.200\" (5.08mm) |
The 644861-9: It mates with matching MTA-100 cable-mount receptacles via a friction lock. Rated 250 VAC.
TE Connectivity lists the 644861-9 as Obsolete. Availability is confirmed per RFQ — quantities are lot-specific.
The MTA-100 series includes current-production headers at the same pitch; confirm position count and lock style before sourcing.
The UL flammability rating is UL94 V-0 for the polyester housing. RoHS and REACH compliance status should be verified from the manufacturer's documentation at the time of order.