What are the key electrical ratings?

The connector is rated for 1A current and 125V AC/DC voltage, with a contact resistance of 20mΩ max and insulation resistance of 100MΩ min.

What materials are used in this connector?

It features a Nylon 6T (UL94V-0) insulator and phosphor bronze pins with tin-over-nickel plating.

What should be considered during PCB assembly?

The connector is designed for SMT reflow soldering. Ensure the PCB layout matches the 1.25mm pitch and solder pad dimensions specified in the datasheet.

What should sourcing teams check before buying A1251WV-S-2P?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: Low; readiness: easy.

What is the pinout of A1251WV-S-2P?

Use the A1251WV-S-2P datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about A1251WV-S-2P pinout to locate pins, power rails, and interface signals before layout.

A1251WV-S-2P Datasheet, Specs, Alternatives & ECAD | CJT

AI summary

The CJT A1251WV-S-2P is a 2-position, 1.25mm pitch vertical SMT header connector for wire-to-board applications.

Best for

Compact consumer electronics
Low-power signal connections

Avoid if

High-current applications exceeding 1A
Environments requiring extreme mechanical vibration resistance

Check before use

Mating housing compatibility
PCB footprint accuracy

Key specifications

Pitch: 1.25 mm
Positions: 2
Current Rating: 1 A
Mounting: SMT

Compliance & Environment

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

Application

Consumer ElectronicsIndustrial Control

Datasheet

64674c2a1b1b05d948ad1751430bcf40.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for A1251WV-S-2P: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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PCB Footprint

Land pattern for PCB layout

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3D Model

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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 1.25mm pitch, 2-pin vertical SMT male header connector manufactured by CJT, typically used in compact wire-to-board electronic assemblies.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the A1251WV-S-2P?+×

What are the key electrical ratings?+×

What materials are used in this connector?+×

What should be considered during PCB assembly?+×

What should sourcing teams check before buying A1251WV-S-2P?+×

What is the pinout of A1251WV-S-2P?+×