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STMicroelectronics STTH2R06RL — Discrete Semiconductors

STTH2R06RL 600V 2A Fast Recovery Diode, 50 ns trr, DO-41

MPNSTTH2R06RL
Active

STMicroelectronics STTH2R06RL, standard fast recovery diode, 600 V reverse voltage, 2 A average rectified current, 50 ns reverse recovery time, DO-204AL (DO-41) axial package, through-hole mount.

$0.6500Ref. price · indicative, final on quote
STMicroelectronics STTH2R06RL datasheet (PDF)
PackagingDO-204AL, DO-41, Axial
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

STTH2R06RL specifications
ParameterValue
Diode typeStandard
MountingThrough Hole
Voltage - DC reverse (Vr)600 V
Voltage - forward (Vf) (Max) @ if1.7 V @ 2 A
Current - reverse leakage @ vr2 µA @ 600 V
Current - average rectified2A
Operating temperature - junction-40°C~175°C
SpeedFast Recovery =< 500ns, > 200mA (Io)
PackageTape & Reel (TR); Cut Tape (CT)
CaseDO-204AL, DO-41, Axial
Reverse recovery time50 ns

Product details

Fast recovery at 50 ns — the switching-speed decision

The STTH2R06RL is a 600 V, 2 A standard fast-recovery diode from STMicroelectronics, built for circuits where the reverse recovery time must stay under 500 ns at forward currents above 200 mA. Its 50 ns trr puts it in the class of ultrafast rectifiers suitable for 100 kHz+ switching in PFC boost stages, flyback snubbers, and output rectification in medium-power AC-DC converters. The 1.7 V forward drop at 2 A is higher than a standard 1N4007 (about 1.1 V), but that is the trade-off for the speed — the faster recovery cuts switching losses in the MOSFET or IGBT it pairs with. The 2 µA reverse leakage at 600 V is tight enough to keep standby losses low in a lightly loaded supply.

175°C junction — where this diode sits in the thermal budget

The DO-41 axial package (DO-204AL) is a through-hole leaded form — it needs a hole in the board but lets you heatsink the body with a clip or solder to a copper pour on the PCB.

Active production — no end-of-life paperwork needed

That means no last-time-buy schedule to track, no successor to qualify, and no risk of a surprise EOL notice in the middle of a production run.

Frequently asked questions

Can STTH2R06RL replace a 1N4007?

The STTH2R06RL is a fast-recovery diode with a 50 ns trr, while the 1N4007 is a standard recovery part with a trr in the microsecond range. In a 50/60 Hz line rectifier the 1N4007 works fine and costs less. In a switching supply running above 20 kHz the STTH2R06RL is the correct choice — the 1N4007 would overheat from reverse recovery losses. They are not drop-in replacements; the circuit's switching frequency decides which fits.