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STMicroelectronics STPS16170CB — Discrete Semiconductors

STPS16170CB Schottky diode, 170 V, 8 A, DPAK, obsolete

MPNSTPS16170CB
Obsolete

STMicroelectronics STPS16170CB, Schottky diode, 1 Pair Common Cathode, 170 V, 8 A per diode, 920 mV @ 8 A, 15 µA @ 170 V, DPAK, Fast Recovery =< 500ns, > 200mA (Io).

$1.2700Ref. price · indicative, final on quote
STMicroelectronics STPS16170CB datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STPS16170CB specifications
ParameterValue
MountingSurface Mount
Voltage - DC reverse (Vr)170 V
Voltage - forward (Vf) (Max) @ if920 mV @ 8 A
Current - reverse leakage @ vr15 µA @ 170 V
Current - average rectified (Io) (per diode)8A
Operating temperature - junction175°C (Max)
SpeedFast Recovery =< 500ns, > 200mA (Io)
PackageTube
TechnologySchottky
CaseTO-252-3, DPak (2 Leads + Tab), SC-63
Diode configuration1 Pair Common Cathode

Product details

170 V Schottky in a dual common-cathode DPAK

The Schottky technology delivers fast switching with a forward voltage of 920 mV at 8 A, and a reverse leakage of 15 µA at the rated 170 V.

What the 170 V, 8 A rating means for your design

The 170 V reverse voltage rating places this part in the high-voltage Schottky class, suitable for output rectification in 48 V to 100 V bus converters and for flyback or forward converter secondary-side rectification where voltage spikes can exceed 100 V. The 8 A per diode average current is derated by junction temperature — the maximum junction temperature is 175°C, so the actual continuous current in a 85°C ambient enclosure may be lower depending on PCB copper area and airflow. The common-cathode pair in a single DPAK saves board space compared to two discrete diodes, but the shared cathode tab means both diodes must see the same DC potential on their cathodes — typical for center-tap full-wave rectifiers.

Frequently asked questions

Is STPS16170CB obsolete?

Yes, the STPS16170CB is listed as Obsolete. It is no longer manufactured by STMicroelectronics. For existing production, the part can be sourced through independent distribution on a quoted-to-order basis.

What is the replacement for STPS16170CB?

No official pin-compatible replacement from STMicroelectronics is recorded. A parametric search for a 170 V, 8 A common-cathode Schottky in DPAK is advised to find a drop-in alternative from ST or other manufacturers.

What is STPS16170CB's listed speed?

The STPS16170CB is a Schottky diode with fast recovery characteristics: ≤ 500 ns at > 200 mA (Io). This is typical for Schottky technology, which switches faster than a standard PN-junction rectifier.

Can I use STPS16170CB for 12V system?

Yes, the 170 V reverse voltage rating is far above a 12 V system's requirements, so the part will function. However, for a 12 V rail, a lower-voltage Schottky (e.g., 40 V or 60 V) would offer lower forward voltage drop and better efficiency at the same current.