STPS120M STMicroelectronics Schottky Diode (Other) In Stock

Name: STPS120M
Brand: STMicroelectronics
SKU: STPS120M
Availability: InStock

The STPS120M is a high-efficiency silicon Schottky rectifier diode from STMicroelectronics, rated at 1.0 A forward current and 20 V reverse voltage with a maximum forward voltage of 0.41 V. It is configured as a single cathode diode in a DO-216AA surface-mount package for compact power conversion designs.

ACTIVESchottky DiodeVerified May 2026

Package / Visual Reference

STPS120MOther

Quick Facts

Manufacturer: STMicroelectronics
Package: Other
Pin Count: 2
Lifecycle: ACTIVE
Datasheet: STPS120M Datasheet PDF
Category: Schottky Diode
Price: From $0.0750(MOQ 250)
Temp Range: ?°C to 150.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of STPS120M?

Low forward voltage drop of 0.41 V maximum reduces conduction losses in high-efficiency rectifier stages
1.0 A / 20 V silicon Schottky rectifier suited for general-purpose switch-mode power supply output stages
Single-diode DO-216AA (SMD) configuration simplifies PCB layout in space-constrained designs

What is STPS120M used for?

The STPS120M is used as an output rectifier in low-power switch-mode power supplies, DC-DC converters, and reverse-polarity protection circuits where its 0.41 V forward drop minimizes power dissipation. Its compact DO-216AA package and 1.0 A / 20 V ratings make it a practical choice for portable electronics and battery charging circuits.

What are the specifications of STPS120M?

Factory Lead Time	15Weeks
YTEOL	6.1
Additional Feature	HIGH EFFICIENCY
Application	GENERAL PURPOSE
Case Connection	CATHODE
Configuration	SINGLE
Diode Element Material	SILICON
Diode Type	RECTIFIER DIODE
Forward Voltage-Max (VF)	0.41V
JEDEC-95 Code	DO-216AA
JESD-30 Code	S-PSSO-G1
JESD-609 Code	e3
Non-rep Pk Forward Current-Max	50A
Number of Elements	1
Number of Phases	1
Output Current-Max	1A
Package Body Material	PLASTIC/EPOXY
Package Shape	SQUARE
Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Rep Pk Reverse Voltage-Max	20V
Surface Mount	YES
Technology	SCHOTTKY
Terminal Finish	Matte Tin (Sn)
Terminal Form	GULL WING
Terminal Position	SINGLE
Time@Peak Reflow Temperature-Max (s)	30
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8541.10.00.80
Country of Origin	Mainland China

Where can I find the STPS120M datasheet?

STPS120M Datasheet Download

Official datasheet from STMicroelectronics

What are equivalent replacements for STPS120M?

Compatible alternatives and drop-in replacements for STPS120M:

STPS120MFSTMicroelectronics

Rectifier Diode, Schottky, 1 Phase, 1 Element, 1A, 20V V(RRM), Silicon, DO-222AA

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the forward voltage drop of STPS120M and why does it matter for efficiency?

The STPS120M has a maximum forward voltage drop of 0.41 V at its rated 1.0 A forward current, which is significantly lower than standard PN junction diodes. This reduced conduction loss directly improves power conversion efficiency in switch-mode supplies, especially at higher switching frequencies where rectifier losses dominate.

In which package does the STPS120M come and how does it aid board-level integration?

The STPS120M is housed in a DO-216AA surface-mount package with cathode connection, enabling reflow soldering for automated PCB assembly. The compact SMD footprint minimizes board area, making it suitable for dense portable electronics designs requiring a 1.0 A, 20 V Schottky rectifier.

When should a designer choose STPS120M over a 1 A standard rectifier diode for a 12 V to 5 V converter output?

For a 12 V to 5 V converter, the STPS120M's 0.41 V maximum forward voltage versus the 0.7 V to 1.0 V of standard silicon rectifiers reduces output rectifier power loss by approximately 40–60% at 1.0 A load. This efficiency gain and 20 V reverse voltage rating make it a better choice for high-frequency switching topologies.

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AvailabilityIn Stock

Reference Price (USD)

From $0.0750

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
250+	$0.1840	$46.00
500+	$0.1600	$80.00
850+	$0.1200	$102.00
2000+	$0.1125	$225.08
3000+	$0.0900	$270.00
7500+	$0.0750	$562.50

pcs

Unit price: $0.1840 · Total: $46.00

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”

Marco Rossi

CTO, AutoDrive Systems, Italy

STPS120M STMicroelectronics Schottky Diode (Other) In Stock

What are the key features of STPS120M?

What is STPS120M used for?

What are the specifications of STPS120M?

Compliance & Regulatory

Where can I find the STPS120M datasheet?

What are equivalent replacements for STPS120M?

Frequently Asked Questions

What is the forward voltage drop of STPS120M and why does it matter for efficiency?

In which package does the STPS120M come and how does it aid board-level integration?

When should a designer choose STPS120M over a 1 A standard rectifier diode for a 12 V to 5 V converter output?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About STMicroelectronics

More from STMicroelectronics

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