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Best Alternatives to 640456-3

Package: 3-pin HeaderTE ConnectivityInterconnectsNumber of Positions: 3Pitch: 2.54 mmMounting Type: Through HoleTermination: SolderContact Material: Copper Alloy

TE Connectivity's 640456-3 is a common 3-pin, 2.54mm pitch straight header. While no direct drop-in replacement is confirmed, several functional alternatives exist. Engineers must carefully review the lower current ratings and mechanical dimensions of these candidates before s...

AI replacement insight

Electrical riskhigh

All candidates have a lower current rating, requiring circuit analysis to prevent overheating.

Package riskmedium

While pitch and mounting match, housing dimensions can vary, affecting mating compatibility and enclosure fit.

Can it be replaced directly?

No verified direct drop-in replacement exists. Several functional alternatives with the same pitch and pin count are available but have lower current ratings.

Best replacement path

Review functional alternatives like HCTL PZ254-1-03-Z-8.5 for its gold plating, but verify current requirements.

Main risk

The primary risk is the lower current rating of all identified alternatives (2-3A) compared to the target's typical 5A rating.

Recommended alternatives

4
PZ254-1-03-Z-8.5 package
PZ254-1-03-Z-8.5

HCTL

Needs validationmedium risk

A 3-pin, 2.54mm straight header with gold plating, but a lower current rating than the target.

View details

Alternative comparison matrix

Feature / factor640456-3PZ254-1-03-Z-8.5HC-2510-3AZX-XH2.54-3PZZCompatibility / risk
Pinout33--3 — Pin count matches.
Package2.54mmGold (Au)--2.54mm — Pitch and mounting type (straight, TH) match. Housing dimensions require verification.
Current~5A3A--3A — Candidate current rating is lower than target's typical 5A rating. Derating is required.
Temperatureunknown-40°C to +105°C---40°C to +105°C — Wider operating temperature range.

Application & sourcing insights

Questions & answers

The best alternative depends on your specific needs. PZ254-1-03-Z-8.5 offers upgraded gold plating, while HC-2510-3A is a close material match. However, all require you to verify that your application can tolerate a lower current rating (3A vs. the original's 5A).