Is there a pin-compatible replacement for DB127S-3.81-2P-GN-S?

Several parts are strong candidates for being pin-compatible, sharing key specs like 3.81mm pitch and 300V/10A rating. However, a full mechanical drawing comparison is required to confirm direct pin-to-pin interchangeability. The DORABO DB125 series is the most likely to be pin-compatible.

What risks should I check before replacing DB127S-3.81-2P-GN-S?

The main risks are minor physical differences. Check the candidate's datasheet for mechanical dimensions (height, width, depth) and pin footprint to ensure it fits your PCB layout. Also, confirm the housing color is acceptable for your application.

DB127S-3.81-2P-GN-S Alternatives, Datasheet & Cross Reference | Ningbo Dorabo Electric Co., Ltd.

Find reliable alternatives for the DORABO DB127S-3.81-2P-GN-S terminal block. This page lists parametrically similar 2-position, 3.81mm pitch connectors for your design.

AI replacement insight

Electrical risklow

Key ratings (300V, 10A) are matched by top candidates.

Package risklow

Mechanical fit and color are the primary check items, easily verified from datasheets.

Can it be replaced directly?

No drop-in replacement is verified, but several parts are strong form, fit, and function candidates. The DORABO DB125 series is the closest, likely differing only in color.

Best replacement path

Use the DORABO DB125 series for the highest likelihood of compatibility, differing mainly by color.

Main risk

Minor mechanical differences in housing dimensions or pin placement.

Recommended alternatives

Same manufacturer and electrical specs, but in a different color (Black). A likely form-fit match.

View details

Alternative comparison matrix

Feature / factor	DB127S-3.81-2P-GN-S	DB125-3.81-2P-BK-S	DB125-3.81-2P-RD-S	XY303V-3.81-2P	Compatibility / risk
Manufacturer	DORABO	DORABO	DORABO	-	DORABO — Same manufacturer as target.; DB125-3.81-2P-RD-S: Same manufacturer as target.
Voltage Current	300 V / 10 A	300 V / 10 A	300 V / 10 A	-	300 V / 10 A — Ratings match.; DB125-3.81-2P-RD-S: Ratings match.
Wire Gauge	26-16 AWG	28-16 AWG	28-16 AWG	26-16 AWG	28-16 AWG / 26-16 AWG — Accepts a wider range of wire gauges.; DB125-3.81-2P-RD-S: Accepts a wider range of wire gauges.; XY303V-3.81-2P: Wire gauge range matches.
Color	Green	Black	Red	-	Black / Red — Color is different.; DB125-3.81-2P-RD-S: Color is different.
Pitch	3.81 mm	-	-	3.81 mm	3.81 mm — Pitch matches.
Voltage	300 V	-	-	300 V	300 V — Voltage rating matches.
Current	10 A	-	-	10 A	10 A — Current rating matches.
Package	Through Hole	-	-	Through Hole	Through Hole — Mounting type matches.

Application & sourcing insights

Questions & answers

The DORABO DB125 series (e.g., DB125-3.81-2P-BK-S) is an excellent choice as it's from the same manufacturer with identical electricals, differing only in color. XY303V-3.81-2P from XINLAIYA is also a strong parametric match. Always verify mechanical fit from the datasheet.