| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| P4SMAJ70_R1_00001 | PanJit Semiconductor | Check for Price | Trans Voltage Suppressor Diode, 400W, 70V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC | SMA4F64AY vs P4SMAJ70_R1_00001 |
| SMAJ70A | DB Lectro Inc | Check for Price | Trans Voltage Suppressor Diode, 400W, 70V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC | SMA4F64AY vs SMAJ70A |
| P4SMAJ70A-AU_R2_100A1 | PanJit Semiconductor | Check for Price | Trans Voltage Suppressor Diode, 400W, 70V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, SMA, 2 PIN | SMA4F64AY vs P4SMAJ70A-AU_R2_100A1 |
| SMAJ70A | Surge Components Inc | Check for Price | Trans Voltage Suppressor Diode, 400W, 70V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC | SMA4F64AY vs SMAJ70A |
| SMAJ70A | Secos Corporation | Check for Price | Trans Voltage Suppressor Diode, 400W, 70V V(RWM), Unidirectional, 1 Element, Silicon | SMA4F64AY vs SMAJ70A |
| SMAJ70A | Galaxy Microelectronics | Check for Price | Trans Voltage Suppressor Diode, 400W, 70V V(RWM), Unidirectional, 1 Element, Silicon | SMA4F64AY vs SMAJ70A |
| C4SMAFL70A | Central Semiconductor Corp | Check for Price | Trans Voltage Suppressor Diode, 400W, 70V V(RWM), Unidirectional, 1 Element, Silicon | SMA4F64AY vs C4SMAFL70A |
| P4SMAJ70T/R7 | PanJit Semiconductor | Check for Price | Trans Voltage Suppressor Diode, 400W, 70V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC, ROHS COMPLIANT, PLASTIC, SMA, 2 PIN | SMA4F64AY vs P4SMAJ70T/R7 |
| SMAT70A | Diodes Incorporated | Check for Price | Trans Voltage Suppressor Diode, 400W, 70V V(RWM), Unidirectional, 1 Element, Silicon | SMA4F64AY vs SMAT70A |
| SMAJ70A | WEITRON INTERNATIONAL CO., LTD. | Check for Price | Trans Voltage Suppressor Diode, 400W, 70V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AC | SMA4F64AY vs SMAJ70A |
Part Details for SMA4F64AY by STMicroelectronics
Results Overview of SMA4F64AY by STMicroelectronics
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
SMA4F64AY Information
SMA4F64AY 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 SMA4F64AY
| Part # | Distributor | Description | Stock | Price | Buy | |
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STMicroelectronics | Automotive 400 W, 64 V TVS in SMA Flat COO: Morocco Min Qty: 1 | 0 |
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$0.1800 / $0.3900 | Buy Now |
US Tariff Estimator: SMA4F64AY 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.
SMA4F64AY Part Data Attributes
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SMA4F64AY
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
SMA4F64AY
STMicroelectronics
Trans Voltage Suppressor Diode, 400W, 64V V(RWM), Unidirectional, 1 Element, Silicon, DO-221AC
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Package Description | Sma, 2 Pin | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.10.00.50 | |
| Factory Lead Time | 111 Weeks | |
| Date Of Intro | 2019-08-28 | |
| Additional Feature | Iso 7637-2, Iso 10605 | |
| Breakdown Voltage-Max | 78.6 V | |
| Breakdown Voltage-Min | 71.1 V | |
| Breakdown Voltage-Nom | 74.8 V | |
| Clamping Voltage-Max | 103 V | |
| Configuration | Single | |
| Diode Element Material | Silicon | |
| Diode Type | Trans Voltage Suppressor Diode | |
| JEDEC-95 Code | DO-221AC | |
| JESD-30 Code | R-PDSO-F2 | |
| Non-rep Peak Rev Power Dis-Max | 400 W | |
| Number of Elements | 1 | |
| 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) | Not Specified | |
| Polarity | Unidirectional | |
| Reference Standard | Aec-Q101; Iec-61000-4-2, 4-4; Mil-Std-750 | |
| Rep Pk Reverse Voltage-Max | 64 V | |
| Reverse Current-Max | 0.2 µA | |
| Reverse Test Voltage | 64 V | |
| Surface Mount | Yes | |
| Technology | Avalanche | |
| Terminal Form | Flat | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified |
Alternate Parts for SMA4F64AY
This table gives cross-reference parts and alternative options found for SMA4F64AY. 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 SMA4F64AY, 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.
SMA4F64AY Frequently Asked Questions (FAQ)
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STMicroelectronics provides a recommended PCB layout in their application note AN3963, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and reliability.
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The SMA4F64AY has a thermal pad on the bottom of the package, which should be connected to a thermal ground plane on the PCB to dissipate heat efficiently. A thermal interface material (TIM) can be used to improve heat transfer between the device and the heat sink or thermal ground plane.
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While the datasheet specifies a maximum clock frequency of 100 MHz, the actual operating frequency may be limited by the system design, PCB layout, and signal integrity. It's recommended to perform signal integrity simulations and testing to determine the maximum operating frequency for a specific application.
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A reliable POR circuit can be implemented using an external voltage supervisor IC, such as the STMicroelectronics STM660, which provides a reset signal to the SMA4F64AY during power-up and power-down sequences. The POR circuit should be designed to ensure a clean and stable reset signal to the device.
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To ensure EMC compliance, it's essential to follow proper PCB layout and design guidelines, such as separating analog and digital circuits, using shielding and grounding techniques, and implementing electromagnetic interference (EMI) filters. Additionally, the SMA4F64AY should be placed in a shielded enclosure to minimize radiated emissions.