Knowles SPH0644LM4H

SPH0644LM4H Supplier & Distributor

SPH0644LM4H is an electronic component from Knowles. TomatoElec is an in-stock independent distributor supporting original component sourcing, inventory checks and BOM purchasing needs.

We support RFQ handling, component availability confirmation and sourcing coordination for OEM, EMS, repair and electronic trading companies.

  • Original component sourcing support
  • In-stock inventory checking
  • RFQ and availability confirmation
  • BOM sourcing and bulk order support
Part No.:
SPH0644LM4H
Manufacturer:
Knowles
Category:
Microphones
Package:
Description:
MIC MEMS DIGITAL PDM OMNI -37DB
Quantity:

Unit Price:$0

Ext Price:$0

Payment:
Payment
Shipping:
Shipping

Inventory:0

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Stock:0

Qty. Unit Price Ext Price
1+$0.000$0.000
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About SPH0644LM4H

Looking for SPH0644LM4H supplier or distributor? Tomato Electronics provides high-quality electronic components including MLCC capacitors, tantalum capacitors, ICs, diodes and more.

Contact us now for quotation and availability of SPH0644LM4H.

SPH0644LM4H Specifications

  • Specifications
  • FAQ
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Attributes
Property Value
Manufacturer
Knowles
Series:
SiSonic™ SPH
Packaging:
Tray
Product Status:
Obsolete
Type:
MEMS (Silicon)
Output Type:
Digital, PDM
Direction:
Omnidirectional
Frequency Range:
-
Sensitivity:
-37dB ±1dB @ 94dB SPL
S/N Ratio:
65.5dB
Impedance:
-
Voltage - Rated:
1.8 V
Voltage Range:
1.6 V ~ 3.6 V
Current - Supply:
1.4 mA
Port Location:
Bottom
Ratings:
-
Termination:
Solder Pads
Size / Dimension:
0.138" L x 0.104" W (3.50mm x 2.65mm)
Height (Max):
0.039" (0.98mm)
Shape:
Rectangular
Grade:
-
Qualification:
-
Category:
Microphones
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1. How to order SPH0644LM4H from Hong Kong Tomato Electronics Co., Limited?

You can submit an RFQ for SPH0644LM4H directly on our website. After receiving your request, our sales team will contact you with price, availability, lead time and order details. Once you confirm the quotation, we will help you complete the order process.

2. How does Hong Kong Tomato Electronics Co., Limited ensure that SPH0644LM4H is original and reliable?

Hong Kong Tomato Electronics Co., Limited works with qualified supply channels and applies strict quality control procedures for electronic components including SPH0644LM4H. We pay close attention to supplier screening, product verification and delivery quality to help customers source with confidence.

3. Are the price and inventory of SPH0644LM4H accurate?

The price and inventory of SPH0644LM4H may change due to market conditions and stock movement. We update information as frequently as possible, but final quotation and availability should be confirmed by our sales team. In most cases, quotations are valid for 3 to 5 days.

4. What payment methods are accepted?

We usually accept Wire Transfer, PayPal, Alipay, WeChat Pay, Credit Card, Western Union and other agreed payment methods, depending on the order and customer location.

Please note that some payment methods may involve additional handling charges.

5. How is the shipping arranged?

Customers can choose major international carriers such as DHL, UPS, FedEx and other available shipping methods. Shipping options depend on package size, destination and delivery urgency.

After shipment, our team will send you the shipping status and tracking number by email.

Please note that tracking information may take some time to become active after dispatch.

6. What is the return or replacement policy for SPH0644LM4H?

All shipments are checked before dispatch. If there is a confirmed issue related to the delivered SPH0644LM4H, such as incorrect quantity, wrong item or verified product problem, please contact us as soon as possible.

Return or replacement requests are usually accepted only when the part remains unused and in its original packaging, and when the issue is reported within the agreed time after delivery.

Please contact our team first before returning any goods so that we can confirm the issue and provide return instructions.

7. How can I get technical support, such as the datasheet or specifications for SPH0644LM4H?

If you need technical support for SPH0644LM4H, including datasheets, specifications or general product information, please contact our sales team. We will do our best to help you obtain the relevant information.

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Images SPH0644LM4H-1 SPH0644LM4H
Part No. SPH0644LM4H-1 SPH0644LM4H
Manufacturer Knowles Knowles
Series SiSonic™ SPH SiSonic™ SPH
Packaging Tape & Reel (TR) Tray
Product Status Not For New Designs Obsolete
Type MEMS (Silicon) MEMS (Silicon)
Output Type Digital, PDM Digital, PDM
Direction Omnidirectional Omnidirectional
Frequency Range 20 Hz ~ 10 kHz -
Sensitivity -37dB ±1dB @ 94dB SPL -37dB ±1dB @ 94dB SPL
S/N Ratio 65.5dB 65.5dB
Impedance - -
Voltage - Rated - 1.8 V
Voltage Range 1.6 V ~ 3.6 V 1.6 V ~ 3.6 V
Current - Supply 1.4 mA 1.4 mA
Port Location Bottom Bottom
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) 0.043" (1.08mm) 0.039" (0.98mm)
Shape Rectangular Rectangular
Grade - -
Qualification - -

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