3-circuit member of the Economy Power line
The 1744427-3 is the 3-circuit member of TE's Economy Power header series, a shrouded board-to-wire interconnect with a friction lock for mating retention.

TE Connectivity AMP Connectors Economy Power header, order code 1744427-3, 3 positions, single row, 3.96 mm pitch, 7.5 A, 250 VAC, tin-plated mating contacts, through-hole, solder termination.
| Parameter | Value |
|---|---|
| Series | Economy Power |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header |
| Fastening type | Friction Lock |
| Voltage rating | 250VAC |
| Current rating | 7.5A |
| Operating temperature | -25°C~105°C |
| Contact material | Brass |
| Insulation height | 0.472\" (12.00mm) |
| Insulation material | Polyamide (PA), Nylon, Glass Filled |
| Material flammability rating | UL94 V-2 |
| Parameter | Value |
|---|---|
| Style | Board to Cable/Wire |
| Package | Bulk |
| Features | Board Guide, Glow Wire Compliant |
| Shrouding | Shrouded - 4 Wall |
| Termination | Solder |
| Applications | General Purpose, Industrial, Lighting |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.156\" (3.96mm) |
| Positions | 3 |
| Contact finish - post | Tin |
| Contact length - post | 0.142\" (3.60mm) |
| Overall contact length | 0.567\" (14.40mm) |
| Contact finish - mating | Tin |
| Contact length - mating | 0.306\" (7.77mm) |
| Contact finish thickness - post | 39.4µin (1.00µm) |
| Contact finish thickness - mating | 39.4µin (1.00µm) |
The 1744427-3 is the 3-circuit member of TE's Economy Power header series, a shrouded board-to-wire interconnect with a friction lock for mating retention.
Within the Economy Power series the 1744427-3 is the 3-position member. Other position counts share the same 3.96 mm pitch, shrouding, friction lock, and tin plating — match the circuit count to the load.