Is there a pin-compatible replacement for S5B-ZR-SM4A-TF(LF)(SN)?

No replacement has been pre-verified as 100% pin-compatible. Connectors like this often have subtle differences in their plastic housing and solder pad dimensions. An engineer must compare the datasheets to confirm layout compatibility.

What risks should I check before replacing S5B-ZR-SM4A-TF(LF)(SN)?

The main risk is mechanical mismatch: check the PCB footprint, connector height, and orientation. Also, review electrical parameters; for example, HCZZ0323-5 has a lower maximum operating temperature (+70°C) which may not be suitable for all designs.

S5B-ZR-SM4A-TF(LF)(SN) Alternatives, Datasheet & Cross Reference | JST

Finding a substitute for the JST S5B-ZR-SM4A-TF(LF)(SN) 5-pin SMT header requires matching its 1.5mm pitch and side-entry orientation. While several functional alternatives exist, verifying the PCB footprint is critical for a successful replacement.

AI replacement insight

Package riskmedium

Footprint for SMT connectors can vary between manufacturers even if pitch and pin count match. Verification is mandatory.

Electrical risklow

Top candidates meet or exceed the target's voltage, current, and temperature ratings, but some have a lower temperature range.

Can it be replaced directly?

No verified direct drop-in replacement has been confirmed. ZX-ZH1.5-5PWT is a strong functional match, but its PCB layout compatibility must be confirmed by an engineer before procurement.

Best replacement path

The strongest candidate is ZX-ZH1.5-5PWT, which matches all key electrical and mechanical parameters. However, it requires careful verification of the PCB footprint using its datasheet to confirm it is a drop-in replacement.

Main risk

The primary risk is mechanical incompatibility. The substitute's PCB footprint, connector height, and orientation must exactly match the target to ensure proper assembly and mating.

Recommended alternatives

A strong functional alternative with matching core specs and a higher voltage rating; requires footprint verification.

View details

Alternative comparison matrix

Feature / factor	S5B-ZR-SM4A-TF(LF)(SN)	ZX-ZH1.5-5PWT	HCZZ0323-5	Compatibility / risk
Package	Surface Mount (SMT), Side-Entry	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle — Matches target's side-entry SMT type. Footprint must be verified.; HCZZ0323-5: Matches target's side-entry SMT type. Footprint must be verified.
Pin Count	5	5	-	5 — matched
Pitch	1.5 mm	1.5 mm	-	1.5 mm — matched
Voltage	50 V	250 V	100 V	250 V / 100 V — Higher voltage rating provides more margin.; HCZZ0323-5: Higher voltage rating provides more margin.
Temperature	-25°C to +85°C	-25°C to 85°C	-25°C to +70°C	-25°C to 85°C / -25°C to +70°C — matched; HCZZ0323-5: Reduced maximum operating temperature is a downgrade risk.
Current	1.0 A	-	1 A	1 A — matched

Application & sourcing insights

Questions & answers

The best alternative is likely ZX-ZH1.5-5PWT by Megastar. It matches the pin count, pitch, SMT right-angle mounting, and electrical ratings. However, you must verify its PCB footprint from the datasheet before ordering.