Is there a pin-compatible replacement for HDGC1251WR-4P?

No pin-for-pin compatible replacement has been verified. All identified alternatives require layout verification due to differences in mounting style (vertical vs. right-angle) or technology (SMD vs. through-hole).

What risks should I check before replacing HDGC1251WR-4P?

The primary risk is mechanical incompatibility. Verify the mounting orientation (right-angle vs. vertical) and technology (through-hole vs. SMD) to ensure the substitute fits your PCB layout and enclosure.

HDGC1251WR-4P Alternatives, Datasheet & Cross Reference | Shenzhen Huade Co-create Technology Co., Ltd.

HDGC1251WR-4P is a 4-pin, 1.25mm pitch right-angle header. While no direct drop-in replacements are confirmed, several functional alternatives with different mounting styles exist that require layout verification.

AI replacement insight

Package riskhigh

All candidates have different mounting styles (Vertical or SMD) vs. target's Right-Angle THT.

Electrical risklow

Key electrical ratings like voltage, current, and pitch are well-matched.

Can it be replaced directly?

No direct, drop-in replacement is currently identified. All candidates have mechanical differences.

Best replacement path

Use HDGC1251WV-4P if a vertical mount is acceptable; otherwise, a board redesign is needed for other options.

Main risk

Package and mounting style mismatch.

Recommended alternatives

Functional alternative with same pitch and electricals but a different (vertical) mounting orientation.

View details

Alternative comparison matrix

Feature / factor	HDGC1251WR-4P	HDGC1251WV-4P	9821WRS-04P	Compatibility / risk
Package	Right Angle, Through-Hole	Vertical, Through-Hole	Surface Mount (SMD)	Vertical, Through-Hole / Surface Mount (SMD) — Candidate is vertical/straight mount, target is right-angle.; 9821WRS-04P: Candidate is SMD, target is Through-Hole (THT).
Pinout	4	4	4	4 — Pin count matches.; 9821WRS-04P: Pin count matches.
Pitch	1.25mm	1.25mm	1.25mm	1.25mm — Pitch matches.; 9821WRS-04P: Pitch matches.
Current	1A	1A	1A	1A — Current rating matches.; 9821WRS-04P: Current rating matches.
Voltage	125V	125V	125V	125V — Voltage rating matches.; 9821WRS-04P: Voltage rating matches.

Application & sourcing insights

Questions & answers

HDGC1251WV-4P from the same manufacturer is a strong functional alternative, but it has a vertical mount instead of right-angle. For different board designs, 9821WRS-04P offers similar specs in an SMD package.