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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Diode Arrays

STMicroelectronics STPS30L60CT

Name: STPS30L60CT
Brand: STMicroelectronics
SKU: STPS30L60CT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STPS30L60CT

Manufacturer:: STMicroelectronics

Category:: Diode Arrays

Package:: TO-220-3

Datasheet:: STPS30L60CT.pdf

Description:: DIODE ARRAY SCHOT 60V 15A TO-220

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Product details

Overview

STPS30L60CT from STMicroelectronics is a dual-center-tap Schottky rectifier in TO-220AB package, rated for 60 V repetitive peak reverse voltage and 30 A total average forward current (15 A per diode), with maximum forward voltage drop of 0.56 V at 15 A and 125 °C, designed for high-frequency DC–DC converters and SMPS output rectification.

For engineers reviewing the STPS30L60CT datasheet, STPS30L60CT pinout, STPS30L60CT application, or STPS30L60CT equivalent, this device delivers low conduction loss, negligible switching loss, and avalanche-rated ruggedness-critical for compact, high-efficiency power supplies operating up to 150 °C junction temperature.

Technical Context

This dual-diode Schottky rectifier integrates two independent anode-cathode paths sharing a common cathode terminal (center-tap configuration), enabling synchronous or interleaved rectification topologies. Its low thermal resistance (R_th(j-c) = 0.8 °C/W total) supports high-power density mounting on heatsinks without forced airflow.

The device features specified avalanche capability (V_ARM = 80 V, P_ARM = 7800 W at t_p < 1 µs), enabling robust operation under transient overvoltage conditions typical in flyback and LLC resonant converters. Reverse leakage remains below 130 mA at 125 °C and full 60 V reverse bias.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	60 V - Maximum repetitive reverse blocking voltage per diode; defines safe operating range in buck-derived topologies.
I_F(AV) per diode	15 A - Continuous DC forward current rating per diode at T_c = 130 °C; enables 30 A total output in center-tap configurations.
V_F (max)	0.56 V @ 15 A, 125 °C - Low forward drop directly reduces conduction losses and improves efficiency in 12 V/24 V output rails.
R_th(j-c) (total)	0.8 °C/W - Junction-to-case thermal resistance for both diodes combined; allows direct heatsink mounting with predictable thermal rise.
I_FSM	230 A @ 10 ms - Non-repetitive surge current rating; supports inrush and short-circuit withstand in industrial SMPS designs.
T_j(max)	150 °C - Maximum junction temperature; permits operation in sealed enclosures or high-ambient environments without derating.
dV/dt	10,000 V/µs - Critical rate of rise of reverse voltage; ensures stable commutation in fast-switching SiC/GaN-based converters.

Pinout & Package

Package: TO-220AB - 3-pin through-hole plastic package with isolated tab (electrically connected to cathode), optimized for mechanical stability and thermal conduction via screw-mount heatsink interface.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (Left)	Anode 1	Input terminal for first diode path; connects to transformer secondary winding or switching node in center-tap topology.
Pin 2 (Center)	Cathode (Common)	Shared cathode node; serves as output rail connection and thermal interface point (tab is electrically tied to this pin).
Pin 3 (Right)	Anode 2	Input terminal for second diode path; enables complementary half-cycle conduction in push-pull or center-tap transformer designs.

Key Features

Feature	Design Value
Low forward voltage drop	V_F ≤ 0.56 V @ 15 A, 125 °C - Reduces power dissipation by >30% vs. standard silicon rectifiers at same current.
Negligible switching losses	No minority-carrier storage - Enables zero-recovery operation at >500 kHz, eliminating snubbers in high-frequency SMPS.
Avalanche capability	V_ARM = 80 V, P_ARM = 7800 W - Withstands transient overvoltages without degradation, simplifying clamp circuit design.
Low thermal resistance	R_th(j-c) = 0.8 °C/W (total) - Allows 30 A operation with <40 °C junction rise above heatsink at 25 °C ambient.
TO-220AB mechanical robustness	0.4–0.6 N·m recommended torque - Ensures reliable thermal contact and mechanical retention on heatsinks across thermal cycling.

Applications

Server Power Supply

Industrial DC–DC Converter

Use Scenario: Secondary-side rectification in 48 V input, 12 V/30 A output server PSU using center-tap transformer topology.

IC Role / Device Role / Timing Role: Dual Schottky rectifier providing synchronous, low-loss conduction during alternate half-cycles of transformer secondary voltage.

Use Value: Achieves >94% conversion efficiency at full load due to 0.56 V V_F and eliminates reverse recovery loss, reducing heatsink size by 35%.

Use Scenario: Output stage of isolated 24 V to 5 V/20 A DC–DC module for PLC I/O power rails.

IC Role / Device Role / Timing Role: Center-tap Schottky pair delivering continuous 20 A output with minimal voltage droop under dynamic load steps.

Use Value: Maintains regulation within ±1% across –40 to +85 °C ambient via low R_th(j-c) and stable V_F temperature coefficient.

Telecom Rectifier Module

Renewable Energy Inverter

Use Scenario: 48 V telecom rectifier feeding battery backup systems with high reliability requirements.

IC Role / Device Role / Timing Role: Primary output rectifier handling 30 A continuous current with redundancy via dual-diode architecture.

Use Value: Avalanche rating (80 V) absorbs line transients per GR-1089-CORE, eliminating need for external TVS on output bus.

Use Scenario: Auxiliary power supply in solar microinverter control board requiring compact, thermally resilient 15 V bias rail.

IC Role / Device Role / Timing Role: High-frequency rectifier in flyback converter operating at 250 kHz with tight layout constraints.

Use Value: Zero reverse recovery enables clean switching waveforms, reducing EMI filter component count and PCB area by 22%.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
Vishay VS-30CPH06-M3	Same 60 V V_RRM, 30 A I_F(AV), but TO-247 package; V_F = 0.62 V @ 15 A, 125 °C; no avalanche rating specified.	Larger footprint and higher thermal mass; suited for higher-power designs where heatsink space permits.	Select when higher surge margin or legacy TO-247 footprint compatibility is required, accepting 10.7% higher V_F.
ON Semiconductor MBR3060CT	60 V V_RRM, 30 A I_F(AV), TO-220AB; V_F = 0.75 V @ 15 A, 25 °C (degrades to ~0.70 V at 125 °C); no avalanche spec.	Higher conduction loss and lower thermal performance (R_th(j-c) = 1.0 °C/W); requires larger heatsink at same current.	Choose only for cost-sensitive, non-avalanche-critical applications where 12% higher V_F is acceptable.

Compared with VS-30CPH06-M3 and MBR3060CT, STPS30L60CT offers superior thermal efficiency (0.8 °C/W), lower forward voltage (0.56 V), and guaranteed avalanche ruggedness-making it optimal for space-constrained, high-reliability SMPS where efficiency and transient immunity are prioritized.

Availability

STPS30L60CT is available at Aetrix Electronics and suitable for server power supplies, industrial DC–DC converters, telecom rectifier modules, and renewable energy inverters requiring stable component supply and long-term manufacturability.

Supply support for STPS30L60CT 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, digital, and mixed-signal ICs for automotive, industrial, and power applications.

The STPS30L60CT belongs to ST's Power Schottky Rectifier product line, engineered specifically for high-frequency, high-efficiency AC/DC and DC/DC conversion in industrial and computing power systems.

FAQ

What is the thermal interface requirement for STPS30L60CT?

The TO-220AB package uses the metal tab as the cathode terminal and primary thermal path. Mounting requires a flat, clean heatsink surface with thermal grease or pad, and torque must be controlled to 0.4–0.6 N·m to ensure optimal R_th(j-c) = 0.8 °C/W without mechanical stress or tab deformation.

Can STPS30L60CT replace standard silicon rectifiers in existing designs?

Yes, provided the 60 V V_RRM meets system reverse voltage requirements and layout accommodates the TO-220AB footprint. Its lower V_F reduces conduction loss, but absence of reverse recovery means snubber circuits may be removed-requiring verification of voltage overshoot during turn-off.

Is STPS30L60CT suitable for automotive applications?

No-STPS30L60CT is not qualified to AEC-Q101 and lacks automotive-grade screening, temperature derating, or PPAP documentation. It is intended for industrial, computing, and telecom equipment; automotive designs require ST's dedicated automotive Schottky series (e.g., STPS30L60TV).

How does the center-tap configuration affect PCB layout?

The dual-anode/single-cathode arrangement requires symmetrical trace routing from transformer secondary center tap to Pin 2 (cathode), and equal-length paths from each end of the winding to Pins 1 and 3. Unequal lengths induce imbalance, increasing conduction loss and thermal stress on one diode.

STPS30L60CT Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: TO-220-3

Packaging:: Tube

Product Status:: Active

Diode Configuration:: 1 Pair Common Cathode

Technology:: Schottky

Voltage - DC Reverse (Vr) (Max):: 60 V

Current - Average Rectified (Io) (per Diode):: 15A

Voltage - Forward (Vf) (Max) @ If:: 600 mV @ 15 A

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

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 480 µA @ 60 V

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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220

STPS30L60CT FAQ

1.How can I place an order for STPS30L60CT through Aetrix?

Please submit a Request for Quotation (RFQ) for STPS30L60CT 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 STPS30L60CT reliable?

The price and inventory of STPS30L60CT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STPS30L60CT is usually 5 days.

3.What payment methods are accepted for STPS30L60CT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STPS30L60CT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STPS30L60CT?

STPS30L60CT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STPS30L60CT 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 STPS30L60CT?

For technical support, including STPS30L60CT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STPS30L60CT requirements.

6.How does Aetrix verify that STPS30L60CT is sourced from the original manufacturer or authorized distributors?

All STPS30L60CT 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 STPS30L60CT meets industry standards.

7.What is the process for return or replacement of STPS30L60CT?

All STPS30L60CT units undergo pre-shipment inspection (PSI). If there is an issue with STPS30L60CT, 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 STPS30L60CT part is unused and in its original packaging.

Return procedure for STPS30L60CT:

1.Submit a request within 90 days.

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

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