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STMicroelectronics STTH1R06U — Discrete Semiconductors

STTH1R06U Fast Recovery Diode, 600 V 1 A, 45 ns trr, SMB

MPNSTTH1R06U
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STMicroelectronics STTH1R06U, Fast Recovery Diode, Standard, 600 V, 1 A, 45 ns trr, Surface Mount, DO-214AA SMB, Tape & Reel.

$0.5700Ref. price · indicative, final on quote
STMicroelectronics STTH1R06U datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

STTH1R06U specifications
ParameterValue
Diode typeStandard
MountingSurface Mount
Voltage - DC reverse (Vr)600 V
Voltage - forward (Vf) (Max) @ if1.7 V @ 1 A
Current - reverse leakage @ vr1 µA @ 600 V
Current - average rectified1A
Operating temperature - junction175°C(Max)
SpeedFast Recovery =< 500ns, > 200mA (Io)
PackageTape & Reel (TR); Cut Tape (CT)
CaseDO-214AA, SMB
Reverse recovery time45 ns

Product details

45 ns trr — the switching edge this diode is built for

That trr puts it squarely in the class of diode you pick for hard-switching topologies — PFC boost, flyback clamp, or the secondary-side catch diode in an offline converter — where a standard 1N4007's multi-microsecond recovery would burn through the switching budget and heat up the junction. The forward drop is 1.7 V at the full 1 A rated current, which is the typical conduction-loss trade-off for a 600 V fast-recovery part.

SMB package — footprint and thermal reality

The DO-214AA (SMB) package is a surface-mount footprint that fits standard reflow profiles. The reverse leakage is specified at 1 µA at the full 600 V blocking voltage — that is a room-temperature typical; expect it to climb with junction temperature, so budget the off-state loss in the thermal calculation for high-line operation.

Frequently asked questions

What is the reverse recovery time of STTH1R06U?

The reverse recovery time (trr) is 45 ns, which is the key spec that qualifies it as a fast recovery diode suitable for switching frequencies above 50 kHz.