Best Alternatives to B4B-XH-A(LF)(SN)

Package: Through HoleJSTInterconnectsNumber of Positions: 4Pitch: 2.5 mmMounting Type: Through HoleCurrent Rating: 3 AVoltage Rating: 250 V

B4B-XH-A(LF)(SN) is a JST XH 4-position 2.5 mm through-hole header. Alternatives need footprint, shroud, and mating-housing checks.

AI replacement insight

Electrical riskmedium

Most candidates list 3 A/250 V; one lists 50 V.

Package riskhigh

Footprint, shroud, and mating housing are not proven.

Firmware risklow

Passive connector; no firmware impact.

Sourcing riskmedium

Some lifecycle and URL data are incomplete.

Can it be replaced directly?

No verified pin-compatible replacement is proven by the provided fields.

Best replacement path

Start with XH/XHB-family candidates rated 3 A and 250 V, then verify footprint and mating housing.

Main risk

Mechanical fit is the main risk; pinout and footprint drawings are not verified.

Recommended alternatives

5
HC-XHB-4A package
Needs validationmedium risk

HCTL HC-XHB-4A is a close XHB-family candidate but needs mechanical review.

View details

Alternative comparison matrix

Feature / factorB4B-XH-A(LF)(SN)HC-XHB-4AB04B-XASK-1-A(LF)(SN)S4B-XH-A(LF)(SN)Compatibility / risk
PackageThrough HoleThrough Hole--THT right angle — orientation differs
Pinout1x4 XH top entry4 pos XHB--4 pos side entry — footprint differs
Voltage250 V250 V--250 V — rating aligns
Current3 A3 A--3 A — rating aligns
Temperature-25 to +85 Cmissing---25 to +105 C — per evidence
LifecycleActive--Active—

Application & sourcing insights

Questions & answers

HC-XHB-4A is the closest cataloged candidate by basic fields, but it still needs footprint and mating-housing review.