Logo
Contact Us
Cookies Policy
Terms of Use
Privacy Policy
phone
Vivi (Sales)
phone
Lucy (Sales)
phone
Ban (Sales)
phone
+86 755-2845-3125
RFQ List
  • open navigation menu
    • Logo
    • RFQ List
      • Manufacturers
      • Hot Products
      • RFQ
      • Blog
      • Tools
      • Sourcing Solutions
      • PCB/SMT
      • About Us
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    CONTACT US
    +86 755-2845-3125
    [email protected][email protected][email protected]
    Room 2709B, 5A Office Building, Longguang Jiuzuan, Hongshan, Longhua District, Shenzhen, China
    Company
    • Blog
    • About Us
    • Contact Us
    Resources
    • Categories
    • Manufacturers
    • Tools
    • RFQ
    Quick link
    • Privacy Policy
    • Terms of Use
    • Cookies Policy
    • Refund & Return Policy
    • Shipping & Delivery Policy
    Payment
    • Payment method
    • Payment method
    • Payment method
    • Payment method
    Logistics
    • Logistics partner
    • Logistics partner
    • Logistics partner
    • Logistics partner

    © 2026 Copyright. All Rights Reserved. Made by ICAllIn

    Part number
    Part number
    1. Home/
    2. All Categories/
    3. Circuit Protection/
    4. ESD Protection Diodes / TVS Diodes/
    5. SMA4F40AY STMicroelectronics

    SMA4F40AY [STMicroelectronics]

    SMA4F40AY
    SMA4F40AY

    Part No:

    SMA4F40AY

    Category:

    ESD Protection Diodes / TVS Diodes

    Manufacturer:

    STMicroelectronics

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Mounting Type
    Surface Mount
    Package / Case
    Product FAQ

    1. Is SMA4F40AY available for RFQ?

    Yes. SMA4F40AY by STMicroelectronics is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for SMA4F40AY?

    Pricing for SMA4F40AY can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of SMA4F40AY?

    SMA4F40AY is a STMicroelectronics ESD Protection Diodes / TVS Diodes with Voltage - Reverse Standoff (Typ): 40V (Max) and Voltage - Clamping (Max) @ Ipp: 84V. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for SMA4F40AY?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can SMA4F40AY be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to SMA4F40AY?

    Yes. If SMA4F40AY is unavailable, obsolete, or does not meet your required lead time, we can help check similar STMicroelectronics ESD Protection Diodes / TVS Diodes parts or compatible alternatives.

    RFQ

    Part Number:

    SMA4F40AY

    Manufacturer:

    STMicroelectronics

    Looking for Pricing? Contact us for volume pricing.

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

    Featured Product
    DO-221AC, SMA Flat Leads
    Supplier Device Package
    SMAflat
    Product Status
    Active
    Base Product Number
    SMA4F40
    Series
    Automotive, AEC-Q101, SMB6FxxAY
    Operating Temperature
    -55°C ~ 175°C (TJ)
    Type
    Zener
    Applications
    Automotive
    Power Line Protection
    No
    Voltage - Breakdown (Min)
    44.4V
    Power - Peak Pulse
    400W
    Voltage - Clamping (Max) @ Ipp
    84V
    Voltage - Reverse Standoff (Typ)
    40V (Max)
    Unidirectional Channels
    1
    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method

    BEST SELL
    MT41K512M16VRN-107 IT:P

    MT41K512M16VRN-107 IT:P

    Micron

    BEST SELL
    FS32K118LFT0VLHT

    FS32K118LFT0VLHT

    NXP

    BEST SELL
    TMS5700432APZQQ1

    TMS5700432APZQQ1

    Texas Instruments

    BEST SELL
    KHBB84A03B-MC1J

    KHBB84A03B-MC1J

    SAMSUNG

    BEST SELL
    ADS1248IPWR

    ADS1248IPWR

    Texas Instruments

    BEST SELL
    MTFC2GMDEA-0M WT A

    MTFC2GMDEA-0M WT A

    Micron

    BEST SELL
    ATSAME70Q20B-AN

    ATSAME70Q20B-AN

    Microchip

    BEST SELL
    MIMX8MQ6DVAJZAB

    MIMX8MQ6DVAJZAB

    NXP

    BEST SELL
    KLMCG1RCTE-B041

    KLMCG1RCTE-B041

    SAMSUNG

    BEST SELL
    89H16NT16G2ZCHLG

    89H16NT16G2ZCHLG

    RENESAS

    Related Information
    • Part Number
      Manufacturer
      Stock Status
      Pricing
      RoHS/Datasheet
    • ESDARF03-1BF3
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • DVIULC6-2P6
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • ESDAULC6-3BP6
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • SM6T75CAY
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • ESDZV5-1BV2
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • SMA6J6.5CA-TR
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • ESDALC12-1T2
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • 1.5KE400ARL
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • BZW06-15B
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • SMB15F28A
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
      -

    SMB15F24A

    SMB15F24A

    STMicroelectronics

    ESDCAN01-2BLY

    ESDCAN01-2BLY

    STMicroelectronics

    ESDARF01-1BM2

    ESDARF01-1BM2

    STMicroelectronics

    SLVU2.8-8A1

    SLVU2.8-8A1

    STMicroelectronics

    SM30T39CAY

    SM30T39CAY

    STMicroelectronics

    SMAJ18CA-TR

    SMAJ18CA-TR

    STMicroelectronics

    1.5KE200CARL

    1.5KE200CARL

    STMicroelectronics

    P6KE400CARL

    P6KE400CARL

    STMicroelectronics

    SMA6F18A

    SMA6F18A

    STMicroelectronics

    ESDALC6V1-1U2

    ESDALC6V1-1U2

    STMicroelectronics

    Fuse Holders(6819)Resettable Fuses - PPTC(11615)Circuit Breakers & Accessories(181135)Power Outlet Strips(0)Thermal Cutoffs(909)Gas Discharge Tubes - GDTs / Gas Plasma Arrestors(5190)Circuit Protection Kits(772)Surge Protective Devices - SPD(84902)Fuses(42799)

    No recently viewed products