STMicroelectronics STTH1002CT — Discrete Semiconductors
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RoHS Compliant · Lead-Free EIA-481 Standard
STMicroelectronics / Discrete Semiconductors

STMicroelectronics STTH1002CT diode array

MPN STTH1002CT
Active Spot Stock · 24-48h Dispatch 100% Original Sealed

STMicroelectronics STTH1002CT, Fast Recovery diode array, 200 V, 8 A per diode, 25 ns trr, 1 Pair Common Cathode, TO-220-3, Tube.

In Stock: 509 pcs
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[SPEC] Essential Parameters Snapshot Full Specifications (12)
Package / Case TO-220-3
Speed / Frequency Fast Recovery =< 500ns, > 200mA (Io)

Full Technical Specifications

12 Parameters
STTH1002CT specifications
Parameter / AttributeSpecification / Value
MountingThrough Hole
Voltage - DC reverse (Vr)200 V
Voltage - forward (Vf) (Max) @ if1.1 V @ 5 A
Current - reverse leakage @ vr5 µA @ 200 V
Current - average rectified (Io) (per diode)8A
Operating temperature - junction175°C (Max)
SpeedFast Recovery =< 500ns, > 200mA (Io)
PackageTube
TechnologyStandard
CaseTO-220-3
Diode configuration1 Pair Common Cathode
Reverse recovery time25 ns
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Technical Details & Description

Active production — no end-of-life watch needed

The STTH1002CT: ROHS3 compliant — no exemption expiry to track. The part ships in Tube packaging, standard for through-hole TO-220 devices.

25 ns trr — where fast recovery matters

That trr puts it in the class for continuous-current-mode (CCM) boost PFC stages, output rectification in LLC resonant converters, and freewheeling diodes in hard-switched bridges where reverse-recovery losses would otherwise dominate the switching loss budget. Each diode in the common-cathode pair carries 8 A average rectified current. At 5 A forward current the typical forward drop is 1.1 V — conduction loss per diode at 5 A is about 5.5 W, which the TO-220 package can dissipate with a heatsink. The 175 °C maximum junction temperature gives thermal margin for high-ambient or forced-air designs.

TO-220 footprint and mounting

Through-hole TO-220-3 with the standard 2.54 mm pitch — mates with existing PCB layouts for common-cathode dual diodes. The metal tab is the common cathode; the two anode pins are the outer leads. A heatsink with a TO-220 clip or screw mount is expected for continuous operation above a few amps. The STTH1002CFP is the same die in a TO-220FPAC full-pack (fully isolated) package — electrically identical but with no exposed metal tab. If the design requires isolated mounting without a heatsink pad, the CFP variant drops in without rewiring; the tab is overmoulded plastic.

Frequently asked questions

Will STTH1002CT drop into a board designed for STTH1002CFP without rewiring?

No — the pinout is the same (common-cathode centre tab, anode pins 1 and 3), but the TO-220 metal tab is electrically live at the cathode voltage, while the TO-220FPAC (CFP) tab is fully isolated. The PCB footprint is identical, but the mounting hole and clearance to nearby traces must account for the live tab on the CT variant. If the board was laid out with isolation clearance for a live tab, it fits; if it relied on the CFP's isolated tab for close placement, the CT may require a sil-pad or insulator.

What is the reverse recovery time of STTH1002CT?

25 ns. This is a fast-recovery diode — the trr is specified at typical test conditions; actual recovery time depends on the forward current and dI/dt in the circuit. For hard-switched topologies, the 25 ns trr keeps reverse-recovery losses low enough to avoid snubber networks at moderate frequencies.

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