Needs validationmedium risk
JST B4P-VH is a strong 4-position 3.96mm header candidate, pending mechanical review.
Best Alternatives to CH3.96-4A
CH3.96-4A replacements should be selected from 4-position 3.96mm through-hole male headers. Pinout, footprint, and mating geometry remain the main checks.
AI replacement insight
Electrical riskmedium
Megastar current is lower.
Package riskhigh
footprints not checked.
Firmware risklow
passive connector only.
Sourcing riskmedium
cross-vendor parts need qualification.
Can it be replaced directly?
Direct replacement for CH3.96-4A should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Review JST B4P-VH(LF)(SN) first, then consider Megastar only with current derating.
Main risk
Mechanical fit and pinout are not verified.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | CH3.96-4A | B4P-VH(LF)(SN) | ZX-VH3.96-4PZZ | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 3.96mm Pitch Header | Through Hole Header | - | Through Hole — package text differs | |
| Pinout | 4 pos, 3.96mm | 4 pos, 3.96mm | - | 4 pos, 3.96mm — pinout unverified | |
| Current | 6 A | 10 A | - | 3 A — requires derating | |
| Voltage | 250 V AC/DC | 250 V | - | 250 V AC/DC — same rating | |
| Temperature | -25 to +85C | -25 to +85C | - | missing — not in fields |
Application & sourcing insights
Questions & answers
Verified drop-in options for CH3.96-4A are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.