Is there a pin-compatible replacement for HC-1.0-2PWT?

Several candidates like XUNPU's WAFER-SH1.0-2PWB and JST's SM02B-SRSS-TB(LF)(SN) are likely form-fit and pin-function compatible. However, a 'pin-to-pin' drop-in replacement requires careful comparison of the datasheet's mechanical drawings to confirm the PCB layout matches exactly.

What risks should I check before replacing HC-1.0-2PWT?

The primary risk is mechanical incompatibility; always verify the PCB footprint and connector height from the datasheet. Also, check for any minor differences in operating temperature range and ensure compatibility with the mating connector.

HC-1.0-2PWT Alternatives, Datasheet & Cross Reference | HCTL

HC-1.0-2PWT is a 2-pin, 1.0mm pitch right-angle SMT header. Several form-fit compatible alternatives from manufacturers like JST and XUNPU are available, offering similar electrical performance but requiring mechanical footprint verification.

AI replacement insight

Package riskmedium

PCB footprint and connector height must be verified from datasheets.

Electrical risklow

Key ratings (voltage, current) match across top candidates.

Can it be replaced directly?

No drop-in replacement is confirmed without datasheet comparison. WAFER-SH1.0-2PWB and SM02B-SRSS-TB(LF)(SN) are strong candidates requiring footprint verification.

Best replacement path

JST SM02B-SRSS-TB(LF)(SN) as a high-quality cross-vendor family alternative.

Main risk

Mechanical footprint mismatch.

Recommended alternatives

High-quality alternative from JST's original SR/SH series with matching key electricals; requires footprint check.

View details

Alternative comparison matrix

Feature / factor	HC-1.0-2PWT	SM02B-SRSS-TB(LF)(SN)	WAFER-SH1.0-2PWB	ZX-SH1.0-2PWT	Compatibility / risk
Pitch	1.0 mm	1.0 mm	-	-	1.0 mm — Pitch matches.
Pin Count	2	2	-	-	2 — Pin count matches.
Package	Right Angle, SMT	Right Angle, SMT	-	-	Right Angle, SMT — Mounting type matches.
Current	1 A	1.0 A	-	-	1 A — Current rating matches.
Voltage	50 V	50 V	-	-	50 V — Voltage rating matches.
Manufacturer	HCTL	JST	-	-	JST — Original series manufacturer.
Contact Material	Phosphor Bronze	-	Brass	-	Brass — Minor material difference.
Temperature	Not specified	-	-	-25°C to +85°C	—

Application & sourcing insights

Questions & answers

JST's SM02B-SRSS-TB(LF)(SN) is an excellent alternative from a major brand, belonging to the original JST SR/SH series. It offers equivalent electrical ratings, but PCB footprint verification is essential.