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Best Alternatives to ES1D_R1_00001

Package: DO-214AC, SMAPANJIT International Inc.Diodes - Rectifiers - SingleSeries: -Package: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Voltage - DC Reverse (Vr) (Max): 200 VCurrent - Average Rectified (Io): 1AVoltage - Forward (Vf) (Max) @ If: 950 mV @ 1 A

ES1D_R1_00001 is a 200V, 1A superfast recovery diode in a popular SMA package. This page reviews and compares potential substitutes, highlighting key parametric differences for engineers.

AI replacement insight

Electrical riskmedium

Candidates may have different forward voltage or recovery times, impacting efficiency and performance.

Package risklow

Most top candidates use the same SMA package, but verification is always recommended.

Can it be replaced directly?

Direct replacement for ES1D_R1_00001 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

ES1D from other manufacturers like onsemi is the most direct, pin-to-pin replacement.

Main risk

The main risk when substituting is mismatching the reverse recovery time (trr) or forward voltage (Vf), which can affect circuit efficiency and timing.

Recommended alternatives

2
ES1G package
ES1G

Fairchild Semiconductor

Needs validationmedium risk

Pin-compatible with a higher voltage rating, but higher forward voltage requires thermal review.

View details

Alternative comparison matrix

Feature / factorES1D_R1_00001ES1DES1GUS1GCompatibility / risk
PackageDO-214AC, SMADO-214AC, SMADO-214AC (SMA)DO-214AC, SMADO-214AC, SMA / DO-214AC (SMA) — Same form factor.; ES1G: Same form factor.; US1G: Same form factor.
Voltage200V200V400V400V200V / 400V — Same voltage rating.; ES1G: Higher voltage provides more margin.; US1G: Higher voltage provides more margin.
Current1A1A1A1A1A — Same current rating.; ES1G: Same current rating.; US1G: Same current rating.
Recovery Time35ns~35ns35ns50ns~35ns / 50ns — Matches superfast recovery speed.; ES1G: Matches superfast recovery speed.; US1G: Slower recovery may not work in high-frequency applications.
Forward Voltage0.95V~0.92V1.3V-~0.92V / 1.3V — Very similar Vf, minimal impact on efficiency.; ES1G: Higher Vf increases power loss.

Application & sourcing insights

Questions & answers

Verified drop-in options for ES1D_R1_00001 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.