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Best Alternatives to ESD5451N

Package: DFN1006-2GOODWORKUVReverse Working Peak Voltage: 5.0 VReverse Breakdown Voltage: 5.6 V - 8.0 VCapacitance: 15 pFESD Protection (Air): ±25 kVESD Protection (Contact): ±20 kV

ESD5451N is a 5V bidirectional DFN1006-2 TVS diode. Similar parts exist, but pinout and surge ratings still need review.

AI replacement insight

Electrical riskmedium

Clamp, leakage, and surge ratings vary.

Package risklow

Kept parts list DFN1006-2.

Firmware risklow

Passive TVS, no firmware.

Sourcing riskmedium

Some lifecycle fields are unknown.

Can it be replaced directly?

Direct replacement for ESD5451N should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Start with PESD5V0S1BL, then verify pinout, clamping, leakage, and package drawing.

Main risk

Pinout is not verified for any kept candidate.

Recommended alternatives

3
PESD5V0S1BL package
PESD5V0S1BL

Leiditech

Needs validationmedium risk

PESD5V0S1BL is a close 5V bidirectional DFN1006-2 TVS candidate.

View details

Alternative comparison matrix

Feature / factorESD5451NPESD5V0S1BLTPD1E10B06DPYRESD5451N-TPCompatibility / risk
PackageDFN1006-2DFN1006-2--DFN1006-2 — same listed package
Pinout2-pin TVS2-pin TVS--2-pin TVS — pin functions not shown
Voltage5V5V--5V — VRWM aligns
Power80W80W--80W — Ppk aligns
Applicationbidir 30kV,17.5pFbidir 30kV,15pF--bidir 30kV,15pF — cap slightly lower

Application & sourcing insights

Questions & answers

Verified drop-in options for ESD5451N 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.