Needs validationhigh risk
JST PH 4P header may fit some layouts but has lower 2A/100V ratings.
Best Alternatives to B04B-PASK-1(LF)(SN)
B04B-PASK-1(LF)(SN) is a JST PA 4-position 2.0mm through-hole header. The listed options need FAE review before use.
AI replacement insight
Electrical riskhigh
Several options are 2A or 1.5A vs 3A target.
Package riskmedium
TH matches, but footprint and keying are unchecked.
Firmware risklow
Passive connector; no firmware impact.
Sourcing riskmedium
Some lifecycle fields are unknown.
Can it be replaced directly?
No pin-compatible replacement is confirmed from the provided fields.
Best replacement path
Start with 4P 2.0mm through-hole vertical options, then verify PA mating, footprint, and 3A/250V needs.
Main risk
Most candidates have lower current rating, missing geometry, or different series/orientation.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | B04B-PASK-1(LF)(SN) | B4B-PH-K-S(LF)(SN) | ZX-HY2.0-4PZZ | WF-1A200A4P | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Through Hole | Through Hole | - | - | Through Hole — mounting class matches |
| Pinout | 4P, 1 row, male | 4P, 1 row, male | - | - | 4P, rows missing — rows not proven |
| Current | 3 A | 2 A | - | - | 2 A — load derating needed |
| Voltage | 250 V | 100 V | - | - | 250 V — no 1.1x margin |
| Application | JST PA shrouded | JST PH shrouded | - | - | JST PH shrouded — mating family differs |
| Temperature | not provided | - | -25C to 85C | - | -25C to 85C — target missing |
| Lifecycle | Active | - | - | - | — |
Application & sourcing insights
Questions & answers
No best direct alternative is confirmed. Review 4P 2.0mm TH vertical candidates against PA footprint and 3A/250V needs.