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. Discrete Semiconductors/
    4. Transistors/
    5. 1N643 Microchip

    1N643 [Microchip]

    1N643
    1N643

    Part No:

    1N643

    Category:

    Transistors

    Manufacturer:

    Microchip

    Description:

    Military and defense, aerospace, HI-Rel Discrete Voltage and Current Regulation

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Products Detail

    This 1N643, 1N662 and 1N663 series of JEDEC registered switching/signal diodes are metallurgically bonded and hermetically sealed. These low capacitance diodes feature double-plug construction in a DO-35 package. They are particularly suited to applications where medium speed switching is required. microchip also offers a variety of other switching/signal diodes.



  • JEDEC registered 1N643, 1N662 and 1N663.
  • Metallurgically bonded.
  • Hermetically sealed.
  • Double-plug construction.
  • Up-screening available in reference to MIL-PRF-19500. (See part nomenclature for all available options.)
  • RoHS compliant versions available.
  • Flexible axial-lead mounting terminals.
  • High frequency data lines: RS-232 & RS–422 interface networks, Ethernet 10 Base T links, Switching core drivers, Local area networks, Computers.
    • Product FAQ

    1. Is 1N643 available for RFQ?

    Yes. 1N643 by Microchip 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 1N643?

    Pricing for 1N643 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 1N643?

    1N643 is a Microchip Transistors with the specifications shown on this page. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for 1N643?

    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 1N643 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 1N643?

    Yes. If 1N643 is unavailable, obsolete, or does not meet your required lead time, we can help check similar Microchip Transistors parts or compatible alternatives.

    RFQ

    Part Number:

    1N643

    Manufacturer:

    Microchip

    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
    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
    MT29F4G08ABADAWP-IT:D

    MT29F4G08ABADAWP-IT:D

    Micron

    BEST SELL
    INA226AIDGSR

    INA226AIDGSR

    Texas Instruments

    BEST SELL
    K4FBE3D4HM-THCL

    K4FBE3D4HM-THCL

    SAMSUNG

    BEST SELL
    MTFC4GACAJCN-4M IT

    MTFC4GACAJCN-4M IT

    Micron

    BEST SELL
    H5AN4G6NBJR-UHI

    H5AN4G6NBJR-UHI

    SK HYNIX

    BEST SELL
    MT53E1G32D2FW-046 AAT:C

    MT53E1G32D2FW-046 AAT:C

    Micron

    BEST SELL
    BH66F5362

    BH66F5362

    Holtek

    BEST SELL
    ISL8215MIRZ

    ISL8215MIRZ

    RENESAS

    BEST SELL
    K4A4G085WF-BCTD

    K4A4G085WF-BCTD

    SAMSUNG

    BEST SELL
    PCI1003

    PCI1003

    Microchip

    Related Information
    • Part Number
      Manufacturer
      Stock Status
      Pricing
      RoHS/Datasheet
    • JAN1N4490
      Microchip
      Available for RFQ
      Request Volume Pricing
      -
    • JAN1N1126A
      Microchip
      Available for RFQ
      Request Volume Pricing
      -
    • MA1.5KE350A
      Microchip
      Available for RFQ
      Request Volume Pricing
    • MXLP4KE300CA
      Microchip
      Available for RFQ
      Request Volume Pricing
      -
    • JAN1N4099D-1/TR
      Microchip
      Available for RFQ
      Request Volume Pricing
      -
    • 1N6153US
      Microchip
      Available for RFQ
      Request Volume Pricing
      -
    • JAN1N3024BUR-1
      Microchip
      Available for RFQ
      Request Volume Pricing
      -
    • MAPLAD30KP17CAE3
      Microchip
      Available for RFQ
      Request Volume Pricing
      -
    • 1N4614/TR
      Microchip
      Available for RFQ
      Request Volume Pricing
      -
    • CD3019B
      Microchip
      Available for RFQ
      Request Volume Pricing
      -

    15KPA70E3/TR13

    15KPA70E3/TR13

    Microchip

    1N3289

    1N3289

    Microchip

    15KPA280AE3/TR13

    15KPA280AE3/TR13

    Microchip

    1N2982RBE3

    1N2982RBE3

    Microchip

    15KPA90E3/TR13

    15KPA90E3/TR13

    Microchip

    1N2428

    1N2428

    Microchip

    1N1203R

    1N1203R

    Microchip

    1N2133

    1N2133

    Microchip

    1N2808RB

    1N2808RB

    Microchip

    1N1185

    1N1185

    Microchip

    Discrete & Power Modules(14567)Thyristors(12548)Diodes & Rectifiers(136426)

    No recently viewed products