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STMicroelectronics STTH5R06D — Discrete Semiconductors

STTH5R06D Fast Recovery Diode, 600 V, 5 A, 40 ns trr

MPNSTTH5R06D
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STMicroelectronics STTH5R06D fast recovery diode, 600 V reverse voltage, 5 A average rectified current, 40 ns reverse recovery time, TO-220AC through-hole package.

$0.8959Ref. price · indicative, final on quote
STMicroelectronics STTH5R06D datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

STTH5R06D specifications
ParameterValue
MountingThrough Hole
Voltage - DC reverse (Vr)600 V
Voltage - forward (Vf) (Max) @ if2.9 V @ 5 A
Current - reverse leakage @ vr20 µA @ 600 V
Current - average rectified5A
Operating temperature - junction175°C (Max)
SpeedFast Recovery =< 500ns, > 200mA (Io)
PackageTube
TechnologyStandard
CaseTO-220-2
Reverse recovery time40 ns

Product details

40 ns trr — the spec that decides the switching stage

The STTH5R06D is a 600 V, 5 A fast recovery diode from STMicroelectronics with a 40 ns reverse recovery time. The TO-220AC through-hole package handles the 5 A average current with a forward drop of 2.9 V at rated If.

Rated for a maximum junction temperature of 175°C, which is the standard ceiling for this class of fast diode. The 20 µA reverse leakage at 600 V is specified at 25°C; expect that to rise with junction temperature, so the thermal design needs to keep Tj well below the absolute max to avoid runaway leakage. The TO-220AC package with a tab-mounted heatsink is the typical mounting — the tab is the cathode, electrically live, so the heatsink must be isolated or the circuit must tolerate the tab potential.

Frequently asked questions

Can STTH5R06D be used in high frequency switching?

Yes. The 40 ns reverse recovery time qualifies it for switching frequencies in the tens to low hundreds of kilohertz — typical for PFC boost stages, output rectification in flyback converters, and snubber clamps. For frequencies above 200 kHz, a faster diode (trr below 20 ns) would reduce switching losses further.