CJT(Changjiang Connectors) A1257WV-S-3P
A1257 SERIES 1.25mm Pitch Wire to Board Connector
The A1257 Series is a 1.25mm pitch wire-to-board connector designed for reliable electrical connections. It offers a compact design suitable for various electronic applications.
Product Attributes
- Brand: CHANGJIANG CONNECTORS (CJT)
- Certifications: E326732
- Compliant with: RoHS and REACH
- Optional: HF/Halogen Free (customizable)
Technical Specifications
| Series | Type | Pitch | Current Rating | Voltage Rating | Temperature Range | Contact Resistance | Insulation Resistance | Withstanding Voltage | Material | Color |
| A1257 | Wire to Board Connector (General) | 1.25mm | 1A AC,DC | 50V AC,DC | -40C~+105C | 30m Max. | 100M Min. | 500V AC/minute | Nylon 66, UL94V-0 (Housing) | White (Housing) |
| A1257 | Crimp Terminal | 1.25mm | - | - | - | - | - | - | Phosphor Bronze | - |
| A1257 | Housing | 1.25mm | - | - | - | - | - | - | Nylon 66, UL94V-0 | White |
| A1257 | Wafer-SMT TYPE (180) | 1.25mm | - | - | - | - | - | - | Pin: Brass/Tin over Nickel, Insulator: Nylon 9T, UL94V-0 | Ivory |
| A1257 | Wafer-SMT TYPE (90) | 1.25mm | - | - | - | - | - | - | Pin: Brass/Tin over Nickel, Insulator: Nylon 9T, UL94V-0 | Ivory |
Ordering Information & Dimensions
| Part No. | Circuits | Dimension A (mm) | Dimension B (mm) |
| A1257H-2P | 2 | 5.00 | 3.75 |
| A1257H-3P | 3 | 6.25 | 5.00 |
| A1257H-4P | 4 | 7.50 | 6.25 |
| A1257H-5P | 5 | 8.75 | 7.50 |
| A1257H-6P | 6 | 10.00 | 8.75 |
| A1257H-7P | 7 | 11.25 | 10.00 |
| A1257H-8P | 8 | 12.50 | 11.25 |
| A1257H-9P | 9 | 13.75 | 12.50 |
| A1257H-10P | 10 | 15.00 | 13.75 |
| A1257H-11P | 11 | 16.25 | 15.00 |
| A1257H-12P | 12 | 17.50 | 16.25 |
| A1257H-13P | 13 | 18.75 | 17.50 |
| A1257H-14P | 14 | 20.00 | 18.75 |
| A1257HA-4P | 4 | 6.05 | 3.75 |
| A1257HA-5P | 5 | 7.30 | 5.00 |
| A1257HA-7P | 7 | 8.75 | 6.25 |
| A1257HA-8P | 8 | 9.80 | 7.50 |
| A1257HA-10P | 10 | 11.05 | 8.75 |
| A1257WV-S-2P | 2 | 7.00 | 5.75 |
| A1257WV-S-3P | 3 | 8.25 | 7.00 |
| A1257WV-S-4P | 4 | 9.50 | 8.25 |
| A1257WV-S-5P | 5 | 10.75 | 9.50 |
| A1257WV-S-6P | 6 | 12.00 | 10.75 |
| A1257WV-S-7P | 7 | 13.25 | 12.00 |
| A1257WV-S-8P | 8 | 14.50 | 13.25 |
| A1257WV-S-9P | 9 | 15.75 | 14.50 |
| A1257WV-S-10P | 10 | 17.00 | 15.75 |
| A1257WV-S-11P | 11 | 18.25 | 17.00 |
| A1257WV-S-12P | 12 | 19.50 | 18.25 |
| A1257WV-S-13P | 13 | 20.75 | 19.50 |
| A1257WV-S-14P | 14 | 22.00 | 20.75 |
| A1257WV-S-15P | 15 | 23.25 | 22.00 |
| A1257WR-S-2P | 2 | 7.00 | 4.90 |
| A1257WR-S-3P | 3 | 8.25 | 6.15 |
| A1257WR-S-4P | 4 | 9.50 | 7.40 |
| A1257WR-S-5P | 5 | 10.75 | 8.65 |
| A1257WR-S-6P | 6 | 12.00 | 9.90 |
| A1257WR-S-7P | 7 | 13.25 | 11.15 |
| A1257WR-S-8P | 8 | 14.50 | 12.40 |
| A1257WR-S-9P | 9 | 15.75 | 13.65 |
| A1257WR-S-10P | 10 | 17.00 | 14.90 |
| A1257WR-S-11P | 11 | 18.25 | 16.15 |
| A1257WR-S-12P | 12 | 19.50 | 17.40 |
| A1257WR-S-13P | 13 | 20.75 | 18.65 |
| A1257WR-S-14P | 14 | 22.00 | 19.90 |
| A1257WR-S-15P | 15 | 23.25 | 21.15 |
Contact: CHANGJIANG CONNECTORS
TEL: 86-755-29959119 / 29959129
FAX: 86-755-29959139
Http://www.CJT.cn
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