
Kinghelm
A strong pin-compatible alternative with matching electrical and thermal ratings.
Find the best replacements for the HCTL PZ254-1-08-Z-8.5, an 8-pin, 2.54mm pitch straight header. This guide analyzes pin-compatible alternatives and functional equivalents, highlighting key differences in current rating and temperature range to ensure a reliable substitution.
Many candidates share the standard 2.54mm straight header form factor, but pin lengths and plastic heights must be checked.
Several alternatives have lower current ratings (2A vs 3A) or narrower temperature ranges, which requires careful application review.
Direct replacement for PZ254-1-08-Z-8.5 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
KH-2.54PH180-1X8P-L11.5 is the strongest candidate, matching all key electrical and thermal parameters. Minor mechanical differences in pin length should be verified.
The primary risk when substituting is using a part with a lower current rating or a narrower temperature range, which could lead to component failure.

Kinghelm
A strong pin-compatible alternative with matching electrical and thermal ratings.
| Feature / factor | PZ254-1-08-Z-8.5 | KH-2.54PH180-1X8P-L11.5 | WAFER-XH254Z-8A | ZX-XH2.54-8PJK | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Through Hole, Straight | Through Hole, Straight | Through Hole, Straight | Through Hole, Straight | Through Hole, Straight — Package and orientation match.; WAFER-XH254Z-8A: Package and orientation match.; ZX-XH2.54-8PJK: Package and orientation match. |
| Pinout | 8 | 8 | - | - | 8 — Pin count and 2.54mm pitch match. |
| Current | 3.0 A | 3 A | 3 A | 3.0 A | 3 A / 3.0 A — Current rating is identical.; WAFER-XH254Z-8A: Current rating is identical.; ZX-XH2.54-8PJK: Current rating is identical. |
| Temperature | -40°C to +105°C | -40°C to +105°C | -25°C to +85°C | -25°C to +85°C | -40°C to +105°C / -25°C to +85°C — Operating temperature range is identical.; WAFER-XH254Z-8A: Candidate has a narrower operating temperature range.; ZX-XH2.54-8PJK: Candidate has a narrower operating temperature range. |
| Dimensions | ~11.6mm | 11.5mm | - | - | 11.5mm — Pin length is very similar, likely compatible. |
Verified drop-in options for PZ254-1-08-Z-8.5 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.