A1257H-3P Datasheet, Specs, Alternatives & ECAD | CJT | PartGenie

AI summary

A1257H-3P product

The CJT A1257H-3P is a 3-position, 1.25mm pitch wire-to-board connector housing designed for reliable signal transmission in compact electronic assemblies.

Best for

Compact wire-to-board connections
Consumer electronics

Avoid if

High-current power applications exceeding 1A

Check before use

Terminal crimp specifications

Key specifications

Pitch: 1.25 mm
Positions: 3
Material: Nylon 66 (UL94V-0)

Compliance & Environment

RoHS: Compliant
REACH: Compliant
MSL: -
ECCN: -
HTSUS: -

Application

Consumer ElectronicsIndustrial

Datasheet

d23d149bc51e919cc2fe6b71d49f4aec.pdf

800 KB

CAD Models

Download ECAD models for A1257H-3P: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

PCB Footprint

Land pattern for PCB layout

3D Model

STEP file for mechanical design

KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

Generate library

Alternative components

2

Part	Details	Match
HC-1.25-3YManufacturer	Strong alternative with matching pitch, pin count, and ratings; requires mechanical verification.	Needs validation

Design and risk insights

Questions & answers

It is a 3-position connector housing from the CJT A1257 series, featuring a 1.25mm pitch, intended for wire-to-board applications.