Is there a pin-compatible replacement for WJ128V-5.0-02P-14-00A?

While several parts share the same 5.0mm pitch and 2-pin layout, true pin-to-pin compatibility requires verifying mechanical drawings. WJ127-5.0-02P-14-00A is the most likely candidate but requires review.

What risks should I check before replacing WJ128V-5.0-02P-14-00A?

Always check the voltage and current ratings (both UL and IEC) to ensure they meet or exceed the original. Also verify the accepted wire gauge range and confirm the physical dimensions from the datasheet.

WJ128V-5.0-02P-14-00A Alternatives, Datasheet & Cross Reference | KANGNEX

Finding a replacement for the KANGNEX WJ128V-5.0-02P-14-00A terminal block involves matching its 5.0mm pitch, 2-position layout, and electrical ratings. Several alternatives exist with minor parametric differences.

AI replacement insight

Electrical riskmedium

Many alternatives have lower current ratings (UL or IEC) or voltage ratings.

Package risklow

The 5.0mm pitch 2-pin through-hole package is a common standard, but housing dimensions can vary.

Sourcing risklow

Multiple manufacturers produce similar terminal blocks, offering sourcing flexibility.

Can it be replaced directly?

No verified direct drop-in replacement has been identified. The closest candidate is WJ127-5.0-02P-14-00A, which requires checking the IEC current and wire gauge requirements.

Best replacement path

WJ127-5.0-02P-14-00A from the same manufacturer offers matching UL ratings and form factor, but has a lower IEC current rating.

Main risk

The primary risks when substituting are finding a part with lower current or voltage ratings. Mechanical fit and wire gauge compatibility must also be verified.

Recommended alternatives

A form-fit-function alternate from the same manufacturer with matching UL ratings but a lower IEC current rating.

View details

Alternative comparison matrix

Feature / factor	WJ128V-5.0-02P-14-00A	WJ127-5.0-02P-14-00A	WJ126V-5.0-02P-14-00A	DB126V-5.0-2P-GN-P	Compatibility / risk
Package	Through Hole	Through Hole	Through Hole	-	Through Hole — Matches target package type.; WJ126V-5.0-02P-14-00A: Matches target package type.
Voltage	300V	300V	300V	300V	300V — UL voltage rating matches.; WJ126V-5.0-02P-14-00A: UL voltage rating matches.; DB126V-5.0-2P-GN-P: UL voltage rating matches.
Current	20A	15A	18A	Missing	15A / 18A / Missing — IEC current rating is lower.; WJ126V-5.0-02P-14-00A: IEC current rating is lower.; DB126V-5.0-2P-GN-P: IEC current rating is not specified.
Application	22-12 AWG	26-14 AWG	-	DORABO	26-14 AWG / DORABO — Accepts a narrower wire gauge range.; DB126V-5.0-2P-GN-P: Different manufacturer.

Application & sourcing insights

Questions & answers

WJ127-5.0-02P-14-00A is a strong candidate, matching key UL ratings. However, verify its lower IEC current rating (15A vs 20A) is acceptable for your design.