CJT(Changjiang Connectors) A1257H-10P
A1257 Series Wire to Board Connectors
The A1257 Series offers 1.25mm pitch wire-to-board connectors designed for reliable electrical connections. These connectors are compliant with RoHS and REACH standards, with optional HF/Halogen Free customization available.
| Part No. | Wire Range | Insulation O.D. (max) | Material | Finish | Qty/reel | Unit | Circuit | Dimensions A (mm) | Dimensions B (mm) |
|---|---|---|---|---|---|---|---|---|---|
| A1257-T | AWG#28-#32 | 1.00mm | Phosphor Bronze | Tin over Nickel | 20,000 PCS | mm | - | - | - |
| A1257-TP | AWG#28-#32 | 1.00mm | Phosphor Bronze | Gold over Nickel | 20,000 PCS | mm | - | - | - |
| A1257-GP | AWG#28-#32 | 1.00mm | Phosphor Bronze | Optional Gold plating (MOQ requested) | 20,000 PCS | mm | - | - | - |
| Part No. | Circuit | Dimensions A (mm) | Dimensions B (mm) | Material | Color |
|---|---|---|---|---|---|
| A1257H-XP | 2P | 1.25 | 3.75 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 3P | 2.50 | 5.00 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 4P | 3.75 | 6.25 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 5P | 5.00 | 7.50 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 6P | 6.25 | 8.75 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 7P | 7.50 | 10.00 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 8P | 8.75 | 11.25 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 9P | 10.00 | 12.50 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 10P | 11.25 | 13.75 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 11P | 12.50 | 15.00 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 12P | 13.75 | 16.25 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 13P | 15.00 | 17.50 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 14P | 16.25 | 18.75 | Nylon 66, UL94V-0 | White (Default) |
| A1257H-XP | 15P | 17.50 | 20.00 | Nylon 66, UL94V-0 | White (Default) |
| Part No. | Circuit | Dimensions A (mm) | Dimensions B (mm) | Material | Color |
|---|---|---|---|---|---|
| A1257HA-XP | 2P | 1.25 | 5.75 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 3P | 2.50 | 7.00 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 4P | 3.75 | 8.25 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 5P | 5.00 | 9.50 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 6P | 6.25 | 10.75 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 7P | 7.50 | 12.00 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 8P | 8.75 | 13.25 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 9P | 10.00 | 14.50 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 10P | 11.25 | 15.75 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 11P | 12.50 | 17.00 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 12P | 13.75 | 18.25 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 13P | 15.00 | 19.50 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 14P | 16.25 | 20.75 | PBT, UL94V-0 | White (Default) |
| A1257HA-XP | 15P | 17.50 | 22.00 | PBT, UL94V-0 | White (Default) |
| Part No. | Circuit | Dimensions A (mm) | Dimensions B (mm) | Material | Color | Finish |
|---|---|---|---|---|---|---|
| A1257WV-S-XP | - | - | - | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WV-S-XP | - | - | - | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Gold over Nickel |
| Part No. | Circuit | Dimensions A (mm) | Dimensions B (mm) | Material | Color | Finish |
|---|---|---|---|---|---|---|
| A1257WR-S-XP | 2P | 1.25 | 5.75 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 3P | 2.50 | 7.00 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 4P | 3.75 | 8.25 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 5P | 5.00 | 9.50 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 6P | 6.25 | 10.75 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 7P | 7.50 | 12.00 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 8P | 8.75 | 13.25 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 9P | 10.00 | 14.50 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 10P | 11.25 | 15.75 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 11P | 12.50 | 17.00 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 12P | 13.75 | 18.25 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 13P | 15.00 | 19.50 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 14P | 16.25 | 20.75 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
| A1257WR-S-XP | 15P | 17.50 | 22.00 | Pin:Brass/Tin over Nickel, Insulator:Nylon 9T, UL94V-0 | Ivory (Default) | Tin over Nickel (Default) |
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