What risks should I check before replacing S5B-PH-SM4-TB(LF)(SN)?

The main risks are mechanical. Check the connector's footprint, height, and shroud dimensions from the datasheet. Also, ensure any replacement is from the same 'PH' series to guarantee correct mating.

S5B-PH-SM4-TB(LF)(SN) Alternatives, Datasheet & Cross Reference | JST

The JST S5B-PH-SM4-TB(LF)(SN) is a common 2.0mm pitch, 5-pin SMT header. Alternatives exist from other vendors, but require careful verification of the mechanical footprint to ensure PCB compatibility.

AI replacement insight

Package riskhigh

Footprints for cross-vendor connectors can vary slightly. Verification is mandatory.

Electrical risklow

Key electrical parameters like voltage and current are easily matched or exceeded by candidates.

Can it be replaced directly?

Direct replacement for S5B-PH-SM4-TB(LF)(SN) should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Cross-vendor compatible series (e.g., Megastar PH series).

Main risk

Mechanical incompatibility, including PCB footprint and mating dimensions.

Recommended alternatives

A cross-vendor PH-series alternative with matching electricals and mounting style; requires footprint verification.

View details

Alternative comparison matrix

Feature / factor	S5B-PH-SM4-TB(LF)(SN)	ZX-PH2.0-WT5P	S5B-PH-K-S(LF)(SN)	Compatibility / risk
Package	Surface Mount (SMT)	Surface Mount (Right Angle)	Through Hole, Right Angle	Surface Mount (Right Angle) / Through Hole, Right Angle — Appears to match target's SMT side-entry style, but footprint requires datasheet verification.; S5B-PH-K-S(LF)(SN): Requires different PCB layout (Through-hole vs SMT).
Family	PH Series	PH series	PH Series	PH series / PH Series — Candidate is part of the compatible PH connector series.; S5B-PH-K-S(LF)(SN): Same JST PH connector series ensures mating compatibility.
Voltage	100 V	250 V	100 V	250 V / 100 V — Higher voltage rating provides more margin.; S5B-PH-K-S(LF)(SN): matched
Current	2 A	2.0 A	2 A	2.0 A / 2 A — matched; S5B-PH-K-S(LF)(SN): matched
Temperature	-25°C to +85°C	-25°C to +85°C	-	-25°C to +85°C — matched

Application & sourcing insights

Questions & answers

Verified drop-in options for S5B-PH-SM4-TB(LF)(SN) are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.