Datasheets
SMB15F28AY by: STMicroelectronics

Trans Voltage Suppressor Diode, 1500W, 28V V(RWM), Unidirectional, 2 Element, Silicon, DO-221AA

Part Details for SMB15F28AY by STMicroelectronics

Results Overview of SMB15F28AY by STMicroelectronics

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SMB15F28AY Information

SMB15F28AY by STMicroelectronics is a Transient Suppressor.
Transient Suppressors are under the broader part category of Diodes.

A diode is a electrical part that can control the direction in which the current flows in a device. Consider factors like voltage drop, current capacity, reverse voltage, and operating frequency when selecting a diode. Read more about Diodes on our Diodes part category page.

Price & Stock for SMB15F28AY

Part # Distributor Description Stock Price Buy
STMicroelectronics Automotive 1500 W, 28 V TVS in SMB Flat COO: Morocco RoHS: Compliant Min Qty: 1 0
  • 1 $0.8600
  • 10 $0.6900
  • 100 $0.5200
  • 500 $0.4600
$0.4600 / $0.8600 Buy Now

US Tariff Estimator: SMB15F28AY by STMicroelectronics

Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.

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Part Details for SMB15F28AY

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SMB15F28AY Part Data Attributes

SMB15F28AY STMicroelectronics
Buy Now Datasheet
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SMB15F28AY STMicroelectronics Trans Voltage Suppressor Diode, 1500W, 28V V(RWM), Unidirectional, 2 Element, Silicon, DO-221AA
Rohs Code Yes
Part Life Cycle Code Obsolete
Package Description Smb, 2 Pin
ECCN Code EAR99
HTS Code 8541.10.00.50
Factory Lead Time 111 Weeks
Date Of Intro 2020-09-17
Additional Feature Iso 7637-2, 10605
Breakdown Voltage-Max 34.3 V
Breakdown Voltage-Min 31.1 V
Breakdown Voltage-Nom 32.7 V
Clamping Voltage-Max 45.4 V
Configuration Single
Diode Element Material Silicon
Diode Type Trans Voltage Suppressor Diode
JEDEC-95 Code DO-221AA
JESD-30 Code R-PDSO-F2
JESD-609 Code e3
Moisture Sensitivity Level 1
Non-rep Peak Rev Power Dis-Max 1500 W
Number of Elements 2
Number of Terminals 2
Operating Temperature-Max 175 °C
Operating Temperature-Min -55 °C
Package Body Material Plastic/Epoxy
Package Shape Rectangular
Package Style Small Outline
Peak Reflow Temperature (Cel) 245
Polarity Unidirectional
Reference Standard Aec-Q101; Iec-61000-4-2; Iec-61000-4-4;Mil-Std-750
Rep Pk Reverse Voltage-Max 28 V
Reverse Current-Max 0.2 µA
Reverse Test Voltage 28 V
Surface Mount Yes
Terminal Finish Matte Tin
Terminal Form Flat
Terminal Position Dual

Alternate Parts for SMB15F28AY

This table gives cross-reference parts and alternative options found for SMB15F28AY. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SMB15F28AY, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
1.5SMC33A-E3/57T Vishay Intertechnologies $0.3855 Trans Voltage Suppressor Diode, 1500W, 28.2V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AB SMB15F28AY vs 1.5SMC33A-E3/57T
1.5SMC33AS_R1_00001 PanJit Semiconductor Check for Price Trans Voltage Suppressor Diode, 1500W, 28.2V V(RWM), Unidirectional, 1 Element, Silicon SMB15F28AY vs 1.5SMC33AS_R1_00001
TPSMC33ATRTB Fagor Electrónica Check for Price Trans Voltage Suppressor Diode, 1500W, 28.2V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AB SMB15F28AY vs TPSMC33ATRTB
1.5SMC33A Vishay Semiconductors Check for Price Trans Voltage Suppressor Diode, 1500W, 28.2V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AB SMB15F28AY vs 1.5SMC33A
1.5SMC33-AU_R2_000A1 PanJit Semiconductor Check for Price Trans Voltage Suppressor Diode, 1500W, 26.8V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AB SMB15F28AY vs 1.5SMC33-AU_R2_000A1
TPSMC33AHE3_A/H Vishay Intertechnologies Check for Price Trans Voltage Suppressor Diode, 1500W, 28.2V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AB SMB15F28AY vs TPSMC33AHE3_A/H
SM15T33AY STMicroelectronics Check for Price Trans Voltage Suppressor Diode, 1500W, 28.2V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AB SMB15F28AY vs SM15T33AY
1.5SMC33AHM6G Taiwan Semiconductor Check for Price Trans Voltage Suppressor Diode, 1500W, 28.2V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AB SMB15F28AY vs 1.5SMC33AHM6G
1.5SMCJ28A-T3-LF Won-Top Electronics Co Ltd Check for Price Trans Voltage Suppressor Diode, 1500W, 28V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AB SMB15F28AY vs 1.5SMCJ28A-T3-LF
SM15T33A-TR STMicroelectronics Check for Price Trans Voltage Suppressor Diode, 1500W, 28.2V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AB SMB15F28AY vs SM15T33A-TR
equivalents icon

SMB15F28AY Frequently Asked Questions (FAQ)

  • The SMB15F28AY can operate from -40°C to 150°C (junction temperature), but the recommended operating temperature range is -40°C to 125°C.

  • Follow the recommended soldering profile and guidelines provided in the STMicroelectronics application note AN5275, and ensure the PCB is designed with a suitable thermal pad and clearance to prevent overheating.

  • Yes, the SMB15F28AY is AEC-Q101 qualified and suitable for high-reliability and automotive applications, but ensure you follow the recommended design and testing guidelines to meet the specific requirements of your application.

  • Use the formula provided in the datasheet: Pd = (Vin x Iin) + (Vout x Iout), and consider the thermal resistance (RthJA) and maximum junction temperature (Tj) to ensure the device operates within its safe operating area.

  • Yes, ensure the PCB is designed with a suitable thermal pad, clearance, and creepage distance to prevent overheating and electrical stress. Also, follow the recommended layout guidelines for the input and output pins to minimize noise and EMI.

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