
A 20-pin, 2.0mm pitch, dual-row header from JST with matching electrical ratings. Verify footprint.
Find and compare alternatives for the XUNPU PHB2.0-02-20PZZ, a 20-pin, 2.0mm pitch dual-row header. Review strong matches and parametric alternatives with detailed comparisons.
Low for JST parts; high for others due to lower current rating.
Requires datasheet comparison for all candidates to confirm footprint.
Multiple alternatives exist from different manufacturers.
Direct replacement for PHB2.0-02-20PZZ should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The JST B20B-PHDSS series offers the most promising path, with identical core parameters. Verification of the mechanical drawing is the primary next step.
The main risk is mechanical incompatibility. While pitch and pin count match, subtle differences in shroud dimensions or pin layout can prevent a direct fit.

A 20-pin, 2.0mm pitch, dual-row header from JST with matching electrical ratings. Verify footprint.
| Feature / factor | PHB2.0-02-20PZZ | B20B-PHDSS(LF)(SN) | B20B-PHDSS-B(LF)(SN) | 2543U-210CNG1SNT02 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole / 2.0mm Pitch Header — Mounting type matches.; B20B-PHDSS-B(LF)(SN): Mounting type matches.; 2543U-210CNG1SNT02: Mounting type matches.; PZ200-2-10-Z: Package name is generic. Assumed Through Hole from other data. |
| Pinout | 2.0mm, 2 rows | 2.0mm, 2 rows | 2.0mm, 2 rows | 2.0mm, 2 rows | 2.0mm, 2 rows — Pitch and row count match. Footprint requires verification.; B20B-PHDSS-B(LF)(SN): Pitch and row count match. Footprint requires verification.; 2543U-210CNG1SNT02: Pitch and row count match. Footprint requires verification.; PZ200-2-10-Z: Pitch and row count match. Footprint requires verification. |
| Voltage | 250V | 250V | 250V | 500V | 250V / 500V — Voltage rating matches.; B20B-PHDSS-B(LF)(SN): Voltage rating matches.; 2543U-210CNG1SNT02: Voltage rating is higher.; PZ200-2-10-Z: Voltage rating is higher. |
| Current | 3A | 3A | 3A | 1.5A | 3A / 1.5A — Current rating matches.; B20B-PHDSS-B(LF)(SN): Current rating matches.; 2543U-210CNG1SNT02: Current rating is 50% lower.; PZ200-2-10-Z: Current rating is 50% lower. |
| Lifecycle | - | - | Active | - | Active — Candidate is active. |
Verified drop-in options for PHB2.0-02-20PZZ 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.