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

STMicroelectronics STPS2L60UF

Name: STPS2L60UF
Brand: STMicroelectronics
SKU: STPS2L60UF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STPS2L60UF

Manufacturer:: STMicroelectronics

Category:: Single Diodes

Package:: DO-221AA, SMB Flat Leads

Datasheet:: STPS2L60UF.pdf

Description:: DIODE SCHOTTKY 60V 2A SMBFLAT

Quantity:: RFQ Add To RFQ list

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Inventory:13,665

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Product details

Overview

STPS2L60UF from STMicroelectronics is a 60 V, 2 A low-drop power Schottky rectifier in SMB Flat package, optimized for high-frequency switch-mode power supplies and battery chargers. It delivers typ. 0.51 V forward voltage at 2 A and 125 °C, with 150 °C max junction temperature and avalanche rating for robust transient handling.

For engineers reviewing the STPS2L60UF datasheet, STPS2L60UF pinout, STPS2L60UF application, or STPS2L60UF equivalent, key selection criteria include forward voltage drop at rated current, thermal resistance (R_th(j-l) = 15 °C/W), avalanche energy capability (115 W @ 10 µs), and ECOPACK2 compliance for environmental design requirements.

Technical Context

This Schottky rectifier operates as a unidirectional, low-loss freewheeling or output rectification device in DC-DC converters and AC-DC auxiliary supplies. Its metal–semiconductor junction enables negligible reverse recovery charge and zero minority-carrier storage, eliminating switching losses typical of PN diodes.

Designed for surface-mount use on FR4 PCBs with copper area ≥2.5 cm² per lead, it leverages conduction cooling via leads (R_th(j-l) = 15 °C/W) and supports pulse surge currents up to 75 A (10 ms, sinusoidal) in SMB Flat configuration.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	60 V - Maximum repetitive reverse blocking voltage; defines safe operating range in flyback or buck output stages.
I_F(AV)	2 A - Average forward current at T_L = 130 °C (SMB Flat); sets continuous DC load capability without derating.
V_F(typ.)	0.51 V @ 2 A, 125 °C - Low conduction loss enabling >95% efficiency in 5–12 V output rails.
R_th(j-l)	15 °C/W - Junction-to-lead thermal resistance; enables direct PCB copper heatsinking without external heatsink.
I_FSM	75 A @ 10 ms - Non-repetitive surge rating; withstands inrush and fault currents in charger input stages.
P_ARM	115 W @ 10 µs - Repetitive avalanche power; protects against inductive kickback in transformer-coupled topologies.
T_j(max)	+150 °C - Maximum junction temperature; allows operation in compact, sealed enclosures with limited airflow.

Pinout & Package

SMB Flat package: surface-mount, cathode-banded, lead-free, UL94 V0 epoxy housing; dimensions 3.30–3.95 mm × 5.10–5.60 mm × 0.90–1.10 mm (L × W × H).

Pin/Terminal	Circuit Role	Design Meaning
Anode	Current entry point under forward bias	Connected to switch node or transformer secondary center-tap; requires low-inductance layout to minimize ringing.
Cathode	Current exit point under forward bias	Connected to output capacitor and load; band-marked side; serves as primary thermal path to PCB copper pour.

Key Features

Feature	Design Value
Negligible switching losses	No reverse recovery charge (Q_rr ≈ 0), eliminating turn-off loss and EMI in >100 kHz SMPS designs.
Low forward voltage drop	0.51 V typ. at 2 A/125 °C reduces conduction loss by ~30% vs. comparable 60 V Si diodes, extending battery runtime.
Avalanche rated	115 W repetitive avalanche power enables reliable operation without snubbers in inductive load switching.
ECOPACK2 compliant	Meets RoHS, halogen-free, and REACH requirements; suitable for consumer and industrial products with strict eco-regulations.
SMB Flat thermal performance	R_th(j-l) = 15 °C/W with 2.5 cm² copper per lead; achieves 2 A continuous current without forced air or heatsink.

Applications

Lighting Power Supply

Desktop Auxiliary Rail

Use Scenario: Secondary-side rectification in LED driver flyback converters delivering 12 V/1.5 A.

IC Role / Device Role / Timing Role: Output rectifier providing unidirectional current flow during transformer demagnetization phase.

Use Value: 0.51 V V_F minimizes voltage headroom loss, enabling tighter regulation and higher lumen/W efficiency.

Use Scenario: +5 VSB rectification in ATX desktop PSUs powering standby logic and USB ports.

IC Role / Device Role / Timing Role: Freewheeling diode in active-clamp forward or resonant LLC auxiliary stage.

Use Value: Avalanche rating absorbs leakage inductance spikes, eliminating need for TVS clamping and reducing BOM count.

Battery Charger Output

Set-Top Box DC-DC Stage

Use Scenario: Output rectification in 19.5 V/2 A laptop adapter secondary synchronous rectifier replacement.

IC Role / Device Role / Timing Role: Uncontrolled rectifier in quasi-resonant flyback with fixed-frequency control.

Use Value: 150 °C T_j(max) supports compact enclosure designs with ambient temperatures up to 70 °C.

Use Scenario: 3.3 V/1.2 A point-of-load rectification in STB mainboard power tree.

IC Role / Device Role / Timing Role: Synchronous rectifier alternative where gate drive complexity is avoided.

Use Value: SMB Flat footprint (5.10–5.60 mm × 3.30–3.95 mm) fits dense layouts while maintaining 2 A DC capability.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SS26 (Diodes Inc.)	Same 60 V V_RRM, 2 A I_F(AV), but VF = 0.70 V typ. @ 2 A/25 °C; R_th(j-l) = 20 °C/W (SMB)	Higher conduction loss reduces efficiency in thermally constrained 12 V outputs; less suitable for >60 °C ambient.	Select when cost sensitivity outweighs efficiency targets and thermal margin exceeds 20 °C.
MBR260 (ON Semiconductor)	60 V V_RRM, 2 A I_F(AV), VF = 0.65 V typ. @ 2 A/25 °C; no specified avalanche rating; DO-214AA (SMB) package.	Lacks avalanche ruggedness; unsuitable for inductive flyback or transformer-isolated topologies with leakage spikes.	Prefer only in non-inductive, low-surge applications like linear regulator bypass or simple DC feed.

Compared with SS26 and MBR260, STPS2L60UF provides superior thermal performance (15 °C/W), lower forward drop at elevated temperature, and guaranteed avalanche capability-critical for reliable operation in compact, high-density SMPS designs.

Availability

STPS2L60UF is available at Aetrix Electronics and suitable for lighting power supplies, desktop auxiliary rails, and battery charger outputs requiring stable component supply across production lifecycles.

Supply support for STPS2L60UF 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, microcontroller, and sensor solutions for industrial, automotive, and consumer markets.

The STPS2L60 series belongs to ST's high-efficiency power rectifier product line, engineered specifically for high-frequency, low-voltage DC-DC conversion in space-constrained and thermally demanding applications.

FAQ

What is the maximum allowable PCB copper area for optimal thermal performance of STPS2L60UF?

ST recommends ≥2.5 cm² of 35 µm-thick copper per lead on FR4 PCB for SMB Flat mounting. This achieves R_th(j-a) ≈ 40 °C/W and supports full 2 A I_F(AV) at T_L = 130 °C. Larger copper areas further reduce thermal resistance but yield diminishing returns beyond 5 cm².

Does STPS2L60UF require a heatsink in standard SMB Flat mounting?

No heatsink is required. With 2.5 cm² copper per lead, the device maintains T_j ≤ 150 °C at 2 A DC and 25 °C ambient. Thermal simulations confirm junction temperature remains below 135 °C even at 70 °C ambient, provided recommended footprint and solder mask clearance are followed.

Can STPS2L60UF replace a PN diode in an existing 60 V, 2 A design?

Yes-direct replacement is feasible if layout accommodates SMB Flat footprint and cathode polarity matches. Key benefits include elimination of reverse recovery loss, reduced EMI filtering needs, and lower V_F-induced voltage drop. Verify surge current demands remain within 75 A I_FSM limit.

Is STPS2L60UF suitable for automotive applications?

While not AEC-Q101 qualified, STPS2L60UF meets key automotive-environment stress factors: 150 °C T_j(max), avalanche rating, and ECOPACK2 compliance. It is used in infotainment auxiliary supplies and body-control module DC-DC stages-but formal qualification requires system-level validation per ISO 16750.

STPS2L60UF Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: DO-221AA, SMB Flat Leads

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Schottky

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

Current - Average Rectified (Io):: 2A

Voltage - Forward (Vf) (Max) @ If:: 600 mV @ 2 A

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

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 100 µA @ 60 V

Capacitance @ Vr, F:: -

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SMBflat

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

STPS2L60UF FAQ

1.How can I place an order for STPS2L60UF through Aetrix?

Please submit a Request for Quotation (RFQ) for STPS2L60UF 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 STPS2L60UF reliable?

The price and inventory of STPS2L60UF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STPS2L60UF is usually 5 days.

3.What payment methods are accepted for STPS2L60UF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STPS2L60UF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STPS2L60UF?

STPS2L60UF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STPS2L60UF 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 STPS2L60UF?

For technical support, including STPS2L60UF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STPS2L60UF requirements.

6.How does Aetrix verify that STPS2L60UF is sourced from the original manufacturer or authorized distributors?

All STPS2L60UF 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 STPS2L60UF meets industry standards.

7.What is the process for return or replacement of STPS2L60UF?

All STPS2L60UF units undergo pre-shipment inspection (PSI). If there is an issue with STPS2L60UF, 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 STPS2L60UF part is unused and in its original packaging.

Return procedure for STPS2L60UF:

1.Submit a request within 90 days.

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

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