ProjectsPricingInsights

Best Alternatives to A1257WR-S-2P

Package: 1.25mm Pitch HeaderCJTInterconnectsPitch: 1.25 mmNumber of Positions: 2Mounting Type: Surface Mount (SMT)Orientation: Right Angle (90°)Current Rating: 1 A

A1257WR-S-2P alternatives should be treated as review-required. Match pitch, position count, right-angle SMT footprint, and mating plug before use.

AI replacement insight

Electrical risklow

kept parts meet or exceed 50 V and 1 A

Package riskmedium

right-angle SMT class matches, footprint not proven

Firmware risklow

passive connector, no firmware

Sourcing riskmedium

lifecycle or source data is incomplete

Can it be replaced directly?

No verified pin-compatible replacement is proven from the supplied fields.

Best replacement path

Start with HC-1.25-2PWT or HCZZ0001-2, then verify drawings and mating parts.

Main risk

Footprint, pin numbering, and mating housing are unverified.

Recommended alternatives

2
HC-1.25-2PWT package
HC-1.25-2PWT

HCTL

Needs validationmedium risk

HC-1.25-2PWT is a right-angle SMT header candidate with higher stated ratings.

View details

Alternative comparison matrix

Feature / factorA1257WR-S-2PHC-1.25-2PWTHCZZ0001-2Alt 3Compatibility / risk
PackageSMT right-angleSMT right-angle-SMT right-angle — same mount class
Pinout2 pos, map needed2 pos, map missing-2 pos, map missing — no footprint proof
Voltage50 V250 V-125 V — above target
Current1 A2 A-1 A — same rating
LifecycleActiveActive-- — status absent

Application & sourcing insights

Questions & answers

HC-1.25-2PWT and HCZZ0001-2 are the best review candidates from the supplied data.