B3B-PH-K-S(LF)(SN)
JST Sales America Inc.
Needs validationhigh risk
3-pin 2.0 mm through-hole PH header; lower ratings and PA mating need review.
Best Alternatives to B03B-PASK-1(LF)(SN)
B03B-PASK-1(LF)(SN) is a JST PA 3-pin 2.0 mm through-hole header. Listed alternatives need FAE review for mating, footprint, and ratings.
AI replacement insight
Electrical riskhigh
Several candidates are 2 A or 100 V.
Package riskhigh
Orientation and SMT variants differ.
Firmware risklow
Passive connector only.
Sourcing riskmedium
Catalog data exists but PDFs are unchecked.
Can it be replaced directly?
Direct replacement for B03B-PASK-1(LF)(SN) should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Prefer an official JST PA 3-position through-hole header or verify B3B-PH-K-S only for derated use.
Main risk
PH and cross-vendor parts may not mate with PA housings and are lower rated.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | B03B-PASK-1(LF)(SN) | B3B-PH-K-S(LF)(SN) | S3B-PH-K-S(LF)(SN) | ZX-HY2.0-3PZZ | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Through Hole | Through Hole | - | - | Through Hole — mount style matches |
| Pinout | 3 pos, 1 row | 3 pos, 1 row | - | - | 3 pos, rows missing — rows not in specs |
| Current | 3 A | 2 A | - | - | 2 A — below target |
| Voltage | 250 V | 100 V | - | - | 100 V — below target |
| Interface | JST PA | JST PH | - | - | JST PH — mating family differs |
Application & sourcing insights
Questions & answers
Verified drop-in options for B03B-PASK-1(LF)(SN) 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.