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Microchip Technology 1N4734APE3/TR12 — Discrete Semiconductors

Microchip 1N4734APE3/TR12 Zener Diode, 5.6 V, 1 W, DO-41

MPN1N4734APE3/TR12
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Microchip Technology 1N4734APE3/TR12 Zener Diode, 5.6 V, ±5% Tolerance, 1 W, DO-204AL (DO-41) Axial, Tape & Reel.

$0.9150Ref. price · indicative, final on quote
Microchip Technology 1N4734APE3/TR12 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

1N4734APE3/TR12 specifications
ParameterValue
MountingThrough Hole
Voltage - zener (Nom)5.6 V
Voltage - forward (Vf) (Max) @ if1.2 V @ 200 mA
Current - reverse leakage @ vr10 µA @ 2 V
Power - max1 W
Operating temperature-65°C~150°C
PackageTape & Reel (TR)
Tolerance±5%
CaseDO-204AL, DO-41, Axial
Impedance (Max)5 Ohms

Product details

5.6 V zener, 1 W, DO-41 axial — BOM-fit note

The 1N4734APE3/TR12 is a 5.6 V zener diode from Microchip Technology, rated for 1 W continuous power dissipation in the standard DO-204AL (DO-41) axial-lead package. The ±5% tolerance on the nominal voltage means the actual zener voltage at the test current falls between 5.32 V and 5.88 V — a band tight enough for most voltage-reference and clamping circuits without trimming. Maximum impedance (Zzt) is 5 Ohms at the zener test current, which keeps the voltage shift small as the diode current varies within its operating range.

The Tape & Reel packaging (TR suffix) feeds directly into automated pick-and-place for through-hole axial insertion — no manual handling step needed for volume builds.

Temperature grade and environment

Operating junction temperature range is -65°C to 150°C — this covers the full industrial and military temperature envelope. The 1 W power rating must be derated above 25°C per the datasheet thermal resistance curve; in a 70°C ambient the usable power drops to roughly 0.7 W without forced airflow.

Frequently asked questions

What is the closest pin-compatible alternative to 1N4734APE3/TR12?

The base product number 1N4734 covers multiple suffix variants (e.g., 1N4734A, 1N4734APE3) from Microchip and other manufacturers. All share the same DO-41 package and 5.6 V nominal voltage. The key difference is the tolerance grade — the A-suffix parts are ±5%, while non-A parts are typically ±10%. The PE3/TR12 suffix indicates Microchip's own Pb-free plating and Tape & Reel packaging. Any 1N4734A in DO-41 is a functional drop-in for the same BOM position, but confirm the specific tolerance and packaging before substituting.

What compliance documentation does Microchip Technology provide for 1N4734APE3/TR12?

Microchip Technology provides RoHS and REACH compliance declarations for the PE3 suffix parts. The part is Pb-free and meets the EU RoHS exemption criteria. No UL or IEC certification is typically issued for individual zener diodes — the compliance documentation covers material composition and process conformance. Full certificates are available from Microchip's compliance portal or through the distributor upon request.