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    SENICO ELECTRONICS INTL CO., LIMITED

    Knowles SPH0644HM4H-1

    Part No.:
    SPH0644HM4H-1
    Manufacturer:
    Knowles
    Category:
    Microphones
    Package:
    Datasheet:
    SENICO ELECTRONICS INTL CO., LIMITEDSPH0644HM4H-1.pdf
    Description:
    MIC MEMS DIGITAL PDM OMNI -36DB
    Quantity:

    Unit Price:$0

    Ext Price:$0

    Payment:
    Payment
    Shipping:
    Shipping

    Inventory:25,685

    Send us your inquiry,we will respond immediately.

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    In Stock:25,685

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    Product details

    • Specifications
    • FAQ
    • Comparison
    Attributes
    Property Value
    Manufacturer:
    Knowles
    Series:
    SiSonic™ SPH
    Packaging:
    Tape & Reel (TR)
    Product Status:
    Obsolete
    Type:
    MEMS (Silicon)
    Output Type:
    Digital, PDM
    Direction:
    Omnidirectional
    Frequency Range:
    50 Hz ~ 10 kHz
    Sensitivity:
    -36dB ±1dB @ 94dB SPL
    S/N Ratio:
    58dB
    Impedance:
    -
    Voltage - Rated:
    -
    Voltage Range:
    1.6 V ~ 3.6 V
    Current - Supply:
    1.025 mA
    Port Location:
    Top
    Ratings:
    -
    Termination:
    Solder Pads
    Size / Dimension:
    0.138" L x 0.104" W (3.50mm x 2.65mm)
    Height (Max):
    0.037" (0.95mm)
    Shape:
    Rectangular
    Grade:
    -
    Qualification:
    -
    Category:
    Microphones

    1. How can I order SPH0644HM4H-1 from SENICO ELECTRONICS INTL CO., LIMITED?

    Use the RFQ form to send the exact part number, required quantity and any packaging, date-code or delivery requirements. Review the written quotation and confirm the order terms before purchasing. If online purchasing is available for this item, check the displayed quantity and price before proceeding to checkout.

    2. What sourcing and quality information should I confirm for SPH0644HM4H-1?

    Ask which source and traceability documents are available for the offered lot, and specify any inspection or testing requirements in your RFQ. Confirm the agreed evidence and acceptance criteria in writing before ordering; a product listing alone does not establish manufacturer authorization or lot-specific test results.

    3. How should I confirm the price and availability of SPH0644HM4H-1?

    Price and available quantity can change. Check the quantity tier and currency of any displayed price, and confirm the current quantity, unit price, lead time and quotation validity before placing an order. An RFQ or Negotiable listing requires a quotation rather than indicating a fixed selling price.

    4. What payment terms apply to my order?

    Confirm the accepted payment method, payment currency and any handling fees in the quotation or order confirmation. Verify the payment instructions with your sales contact before sending payment.

    5. How should I arrange shipping?

    Provide the delivery destination when requesting a quotation. Confirm the available shipping method, freight charges, estimated dispatch date and delivery terms before ordering. Request the shipment tracking details from your sales contact when they are available.

    6. How can I request a return or replacement of SPH0644HM4H-1?

    Contact your sales representative with the order number, part number, quantity and a description of the issue, including photographs where relevant. Check the applicable return conditions and time limits for your order, and obtain return authorization and shipping instructions before sending any goods back.

    7. How can I request the datasheet or technical information for SPH0644HM4H-1?

    Use the datasheet link on the product page when available, or contact us with the exact manufacturer and part number. Check the manufacturer's current datasheet and package documentation for electrical limits, pin assignments and application requirements before design-in.

    Image SPH0644HM4H-1 by Knowles, SENICO Electronics SPH0644HM4H by Knowles, SENICO Electronics
    Part Number SPH0644HM4H-1 SPH0644HM4H
    Manufacturer Knowles Knowles
    Series SiSonic™ SPH SiSonic™ SPH
    Packaging Tape & Reel (TR) Tray
    Product Status Obsolete Obsolete
    Type MEMS (Silicon) MEMS (Silicon)
    Output Type Digital, PDM Digital, PDM
    Direction Omnidirectional Omnidirectional
    Frequency Range 50 Hz ~ 10 kHz -
    Sensitivity -36dB ±1dB @ 94dB SPL -36dB ±1dB @ 94dB SPL
    S/N Ratio 58dB 58dB
    Impedance - -
    Voltage - Rated - 1.8 V
    Voltage Range 1.6 V ~ 3.6 V 1.6 V ~ 3.6 V
    Current - Supply 1.025 mA 1.025 mA
    Port Location Top Top
    Ratings - -
    Termination Solder Pads Solder Pads
    Size / Dimension 0.138" L x 0.104" W (3.50mm x 2.65mm) 0.138" L x 0.104" W (3.50mm x 2.65mm)
    Height (Max) 0.037" (0.95mm) 0.033" (0.85mm)
    Shape Rectangular Rectangular
    Grade - -
    Qualification - -

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