What risks should I check before replacing ES1J-LTP?

Key risks include: 1) ensuring the replacement's reverse recovery time (trr) is 35ns or faster, 2) verifying the voltage and current ratings are sufficient, and 3) confirming the package land pattern is identical.

ES1J-LTP Alternatives, Datasheet & Cross Reference | Micro Commercial Components Corp.

ES1J-LTP is a 1A, 600V super-fast recovery rectifier in a common SMA package. This page reviews potential alternatives, focusing on critical parameters like recovery time, voltage, and current.

AI replacement insight

Electrical riskmedium

Reverse recovery time (trr) is a critical parameter that must be matched or improved.

Package risklow

The DO-214AC (SMA) package is standardized, but land pattern verification is always wise.

Can it be replaced directly?

ES3JA appears to be a strong functional match, but pin-to-pin compatibility and thermal performance should be verified before production.

Best replacement path

ES3JA is the strongest candidate, matching key electricals and package. Alternatives with slower recovery times like ES2M exist but require careful review.

Main risk

The main risk is substituting with a diode that has a slower reverse recovery time (trr), which can cause failures in high-frequency switching circuits.

Recommended alternatives

Strong alternative in the same package with matched voltage and recovery time, and higher current rating.

View details

Alternative comparison matrix

Feature / factor	ES1J-LTP	ES3JA	ES2M	US2M	Compatibility / risk
Package	DO-214AC (SMA)	DO-214AC (SMA)	DO-214AC (SMA)	DO-214AC (SMA)	DO-214AC (SMA) — Same package and pin count.; ES2M: Same package and pin count.; US2M: Same package and pin count.
Voltage	600V	600V	1000V	1000V	600V / 1000V — Voltage rating matches target.; ES2M: Higher voltage rating provides more margin.; US2M: Higher voltage rating provides more margin.
Current	1A	3A	2A	2A	3A / 2A — Higher current rating provides more margin.; ES2M: Higher current rating.; US2M: Higher current rating.
Recovery Time	35ns	35ns	75ns	75ns	35ns / 75ns — Reverse recovery time matches target's key spec.; ES2M: Slower recovery time may not be suitable for all applications.; US2M: Slower recovery time may not be suitable for all applications.

Application & sourcing insights

Questions & answers

Verified drop-in options for ES1J-LTP 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.