
Same JST PH 3-position header, but side-entry mechanics need checking.
B3B-PH-K-S(LF)(SN) is a JST PH 3-position 2.0 mm top-entry through-hole header. Current candidates need fit review.
main ratings are matched or higher
top, side, TH, and SMT differ
passive connector
some items lack product URL
Direct replacement for B3B-PH-K-S(LF)(SN) should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Stay in JST PH through-hole first; S3B-PH-K-S is closest but changes cable exit.
Mechanical fit, entry angle, footprint, and mating housing.

Same JST PH 3-position header, but side-entry mechanics need checking.
| Feature / factor | B3B-PH-K-S(LF)(SN) | S3B-PH-K-S(LF)(SN) | B03B-PASK-1(LF)(SN) | ZX-HY2.0-3PZZ | Compatibility / risk |
|---|---|---|---|---|---|
| Package | TH top-entry | TH side-entry | - | - | TH straight — entry not proven |
| Pinout | 3 pos | 3 pos | - | - | 3 pos — rows missing |
| Voltage | 100 V | 100 V | - | - | 250 V — higher rating |
| Current | 2 A | 2 A | - | - | 3 A — higher rating |
| Temperature | -25..85 C | -25..85 C | - | - | -25..85 C — range same |
Verified drop-in options for B3B-PH-K-S(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.