Is there a pin-compatible replacement for B5B-ZR(LF)(SN)?

A confirmed pin-compatible replacement requires datasheet verification. B5B-ZR-3.4(LF)(SN) is likely pin-compatible as it's from the same series, but its solder tails are a different length. Cross-vendor parts like HC-ZH1.5-5A must be checked for both pinout and mechanical fit.

What risks should I check before replacing B5B-ZR(LF)(SN)?

Before replacing, you must check the mechanical drawing for shroud dimensions, overall height, and PCB footprint. For variants, verify the solder tail length against your board thickness. For cross-vendor parts, also verify material, plating, and compatibility with the mating connector.

B5B-ZR(LF)(SN) Alternatives, Datasheet & Cross Reference | JST

B5B-ZR(LF)(SN) is a 5-pin, 1.5mm pitch through-hole header from JST's popular ZH series. Finding alternatives involves checking same-series variants with different pin lengths or evaluating cross-vendor equivalents that require careful mechanical verification.

AI replacement insight

Package riskmedium

Shroud dimensions and pin length must be verified via datasheet.

Electrical risklow

Key electrical ratings are common and easily matched.

Sourcing risklow

Multiple cross-vendor family equivalents are available.

Can it be replaced directly?

No confirmed direct drop-in replacement is available without verification. B5B-ZR-3.4(LF)(SN) is a close variant, while HC-ZH1.5-5A is a cross-vendor option needing dimensional checks.

Best replacement path

The safest path is using another JST ZR series variant like B5B-ZR-3.4(LF)(SN), after confirming the solder tail length is compatible with your PCB.

Main risk

The main risk is mechanical incompatibility. While pitch and pin count may match, shroud dimensions, pin length, and locking features can vary between manufacturers.

Recommended alternatives

A same-series variant from JST with matching key specs but a different solder tail length.

View details

Alternative comparison matrix

Feature / factor	B5B-ZR(LF)(SN)	B5B-ZR-3.4(LF)(SN)	HC-ZH1.5-5A	Compatibility / risk
Manufacturer	JST	JST	HCTL	JST / HCTL — Same manufacturer, same series.; HC-ZH1.5-5A: Cross-vendor alternative.
Pin Count	5	5	5	5 — matched; HC-ZH1.5-5A: matched
Pitch	1.5mm	1.5mm	1.5mm	1.5mm — matched; HC-ZH1.5-5A: matched
Package	Standard lead length	3.4mm lead length	Through Hole	3.4mm lead length / Through Hole — Variant for 1.6mm PCB thickness. Target lead length not specified, requires check.; HC-ZH1.5-5A: Detailed mechanical drawings must be compared.
Electrical	1.0A / 50V	1.0A / 50V	1A / 50V	1.0A / 50V / 1A / 50V — matched; HC-ZH1.5-5A: matched

Application & sourcing insights

Questions & answers

The best alternative is B5B-ZR-3.4(LF)(SN), a variant from the same JST series, but you must verify its 3.4mm solder tail length fits your PCB. For a different brand, HC-ZH1.5-5A is an option, but requires full dimensional verification from its datasheet.