Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

STMicroelectronics STPS130A

Name: STPS130A
Brand: STMicroelectronics
SKU: STPS130A
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: STPS130A

Manufacturer:: STMicroelectronics

Category:: Single Diodes

Package:: DO-214AC, SMA

Datasheet:: STPS130A.pdf

Description:: DIODE SCHOTTKY 30V 1A SMA

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:19,069

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

STPS130A from STMicroelectronics is a 30 V, 1 A surface-mount Schottky rectifier in SMA package, optimized for high-frequency DC/DC converters and synchronous secondary rectification with low conduction loss (VF = 0.37 V @ 125 °C) and avalanche-rated ruggedness. It enables efficient low-voltage power conversion in compact cordless appliances and telecom power supplies.

For engineers reviewing the STPS130A datasheet, STPS130A pinout, STPS130A application, or STPS130A equivalent, key selection criteria include forward voltage drop at elevated temperature, thermal resistance (Rth(j-l) = 30 °C/W), avalanche energy rating (86 W @ 10 µs), and ECOPACK2 compliance for RoHS-constrained designs.

Technical Context

This Schottky rectifier operates as a unidirectional power switch in secondary-side rectification stages of isolated DC/DC topologies. Its low VF and fast recovery eliminate minority-carrier storage delay, enabling operation up to several MHz without reverse recovery losses.

The device uses a planar silicon Schottky junction with metal barrier optimization for stable leakage (<10 µA @ 125 °C, VR = 30 V) and controlled thermal runaway margin (dPtot/dTj < 1/Rth(j-a)). Junction-to-lead thermal resistance (30 °C/W) supports direct PCB copper conduction cooling in space-constrained layouts.

Key Specifications

Parameter	Value and Actual Design Meaning
VRRM	30 V - Maximum repetitive reverse blocking voltage; defines safe operating range in 24 V nominal systems with transient margin.
IF(AV)	1 A - Average forward current at TL = 130 °C (SMA); sets continuous output capability in 5–12 V converter secondaries.
VF(typ.)	0.37 V @ 125 °C, 1 A - Low conduction loss directly reduces power dissipation (P ≈ 0.37 × IF + 0.09 × IF² RMS) and improves efficiency >92% in 5 V/1 A outputs.
Rth(j-l)	30 °C/W - Junction-to-lead thermal resistance; enables direct heat transfer to PCB copper without heatsink in ≤1 W dissipation applications.
IR(max)	10 µA @ 125 °C, VR = 30 V - Low reverse leakage preserves standby efficiency and prevents thermal runaway in parallel configurations.
PARM	86 W @ tp = 10 µs, Tj = 125 °C - Avalanche pulse power rating; ensures robustness against inductive switching transients in flyback or LLC resonant converters.

Pinout & Package

STPS130A is housed in an SMA (DO-214AC) surface-mount package with cathode band marking. The two-terminal device has no internal gate or control pins-Anode and Cathode are the only terminals.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Input current entry point	Connected to transformer secondary or switch node; must withstand peak forward surge (IFSM = 45 A) and reverse voltage stress.
Cathode	Output current exit point	Marked by band; ties to output filter capacitor and load; low-inductance layout critical to minimize ringing in high-dI/dt operation.

Key Features

Feature	Design Value
Very low VF	0.37 V typ. @ 125 °C, 1 A - Reduces conduction loss by ≥35% vs. standard silicon diodes, enabling smaller thermal pads and higher power density.
Avalanche rated	86 W pulse power @ 10 µs - Absorbs inductive energy during MOSFET turn-off without failure, eliminating need for snubbers in cost-sensitive adapters.
ECOPACK2 compliant	Lead-free, halogen-free, RoHS-compliant packaging - Meets IPC/JEDEC J-STD-020 moisture sensitivity level 1 (MSL1) and automotive AEC-Q200 readiness.
Optimized loss trade-off	Conduction/reverse leakage balance validated at 25–125 °C - Ensures stable efficiency across ambient temperatures without derating in battery-powered SSD chargers.

Applications

Cordless Power Tools

SSD Power Management

Use Scenario: On-board 12 V to 5 V DC/DC converter supplying motor driver logic and flash memory controller.

IC Role / Device Role / Timing Role: Secondary-side Schottky rectifier replacing synchronous MOSFET in cost-optimized buck-derived topology.

Use Value: 0.37 V VF minimizes heat generation in sealed tool housing; 150 °C Tj(max) supports operation near brushed motor heat sources.

Use Scenario: Point-of-load regulator powering NVMe SSD controller and DRAM cache from 3.3 V rail.

IC Role / Device Role / Timing Role: Low-loss freewheeling diode in discrete boost converter feeding 5 V auxiliary supply.

Use Value: Low IR (<10 µA @ 125 °C) prevents standby current drain; SMA footprint allows placement adjacent to BGA packages on dense PCBs.

Battery Charger Adapters

Telecom DC/DC Modules

Use Scenario: 24 V input, 5 V/1 A isolated flyback adapter for Li-ion battery packs.

IC Role / Device Role / Timing Role: Output rectifier operating at 100–500 kHz switching frequency with minimal reverse recovery loss.

Use Value: Avalanche rating handles transformer leakage inductance spikes; ECOPACK2 compliance meets EU EcoDesign Directive requirements.

Use Scenario: 48 V to 12 V intermediate bus converter in telecom base station power shelf.

IC Role / Device Role / Timing Role: Parallel-connected rectifier in multiphase secondary stage for redundancy and thermal sharing.

Use Value: Rth(j-l) = 30 °C/W enables uniform thermal distribution across multiple devices; 1 A rating supports scalable current sharing per phase.

Equivalent & Alternatives

The following parts are listed as comparable options for similar Schottky rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MBR130LSFT1G	VF = 0.45 V @ 125 °C, 1 A; Rth(j-l) = 35 °C/W; SMB package	Slightly higher conduction loss and thermal resistance; requires larger copper area for same power dissipation	Preferred where SMB footprint compatibility is required and 50 mW extra loss is acceptable
SS13-E3/5AT	VF = 0.47 V @ 125 °C, 1 A; no avalanche rating; SMA package	Lacks PARM specification; unsuitable for inductive transient-prone topologies like flyback	Lower-cost option only for non-avalanche-critical linear or simple buck applications

Compared with MBR130LSFT1G and SS13-E3/5AT, STPS130A delivers superior thermal performance (30 vs. 35 °C/W), lower conduction loss (0.37 vs. ≥0.45 V), and guaranteed avalanche ruggedness-making it the preferred choice for high-reliability, high-frequency DC/DC converters where efficiency and transient immunity are jointly critical.

Availability

STPS130A is available at Aetrix Electronics and suitable for cordless appliance power modules, SSD auxiliary supplies, and telecom DC/DC converters requiring stable component supply and long-term industrial lifecycle support.

Supply support for STPS130A includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, power, MCU, and sensor solutions for industrial, automotive, and consumer markets.

STPS130A belongs to ST's high-efficiency power rectifier product line, engineered specifically for high-frequency, low-voltage secondary-side rectification in space-constrained and thermally demanding power supplies.

FAQ

Is STPS130A suitable for synchronous rectification circuits?

Yes-STPS130A is explicitly designed for parallel use with MOSFETs in synchronous and low-voltage secondary rectification. Its low VF and absence of reverse recovery charge allow seamless integration as a freewheeling or clamp diode alongside actively controlled switches in buck-derived and flyback topologies.

What is the maximum allowable PCB copper area for thermal management?

Per Figure 10 in DS0933, Rth(j-a) drops from ~5.0 °C/W (no copper) to ~2.0 °C/W with 200 cm² total copper under both leads on FR4 board. For STPS130A in SMA package, ≥50 cm² per lead (100 cm² total) achieves Rth(j-a) < 3.5 °C/W, supporting full 1 A continuous operation at 70 °C ambient.

Does STPS130A require a heatsink in typical applications?

No external heatsink is required. With Rth(j-l) = 30 °C/W and typical PCB copper conduction, junction temperature rise is ≤30 °C at 1 A (0.37 W conduction loss). At 70 °C ambient, Tj remains well below 150 °C limit-enabling compact, fanless designs in adapters and portable equipment.

How does the avalanche rating impact reliability in flyback converters?

The 86 W avalanche pulse rating (at 10 µs, 125 °C) ensures the device safely clamps transformer leakage inductance energy during MOSFET turn-off. This eliminates need for external RC snubbers, reduces component count, and prevents catastrophic failure under overvoltage transients common in discontinuous conduction mode flyback designs.

STPS130A Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: DO-214AC, SMA

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Schottky

Voltage - DC Reverse (Vr) (Max):: 30 V

Current - Average Rectified (Io):: 1A

Voltage - Forward (Vf) (Max) @ If:: 550 mV @ 1 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 10 µA @ 30 V

Capacitance @ Vr, F:: -

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: DO-214AC (SMA)

Operating Temperature - Junction:: 150°C (Max)

STPS130A FAQ

1.How can I place an order for STPS130A through Aetrix?

Please submit a Request for Quotation (RFQ) for STPS130A on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for STPS130A reliable?

The price and inventory of STPS130A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STPS130A is usually 5 days.

3.What payment methods are accepted for STPS130A?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STPS130A transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STPS130A?

STPS130A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STPS130A order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for STPS130A?

For technical support, including STPS130A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STPS130A requirements.

6.How does Aetrix verify that STPS130A is sourced from the original manufacturer or authorized distributors?

All STPS130A products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STPS130A meets industry standards.

7.What is the process for return or replacement of STPS130A?

All STPS130A units undergo pre-shipment inspection (PSI). If there is an issue with STPS130A, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The STPS130A part is unused and in its original packaging.

Return procedure for STPS130A:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-09 Counterfeit Electronic Components: How to Detect, Authenticate, and Test Suspect Parts

Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …

2026-09-08 Obsolete Electronic Components: How to Source and Evaluate Replacements

A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.

2026-09-07 TTL vs CMOS Logic Levels: 74HC and 74HCT Compatibility Explained

TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.

2026-09-04 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-02 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…