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  • Manufacturer: Knowles
  • Origchip NO: 427-SPH0645LM4H-B
  • Package: -
  • Datasheet: PDF
  • Stock: 683
  • Description: MIC MEMS DIGITAL I2S OMNI -26DB(Kg)

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Means of Payment

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.

RFQ (Request for Quotations)

It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.


1. You'll receive an order information email in your inbox. (Please remember to check the spam folder if you didn't hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping Cost

Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

Delivery Time

Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:

FedEx International, 5-7 business days.

The following are some common countries' logistic time.



Factory Lead Time 49 Weeks
Surface Mount NO
Shape Rectangular
Packaging Cut Tape (CT)
Published 2014
Series SiSonic™ SPH
Size / Dimension 0.138Lx0.104W 3.50mmx2.65mm
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 6
Termination Solder Pads
Type MEMS (Silicon)
Max Operating Temperature 100°C
Min Operating Temperature -40°C
Voltage - Rated 1.8V
Terminal Position UNSPECIFIED
Peak Reflow Temperature (Cel) NOT SPECIFIED
Number of Functions 1
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
JESD-30 Code R-XXMA-X6
Output Type Digital, I2S
Supply Voltage-Max (Vsup) 3.6V
Temperature Grade COMMERCIAL
Supply Voltage-Min (Vsup) 1.62V
Operating Supply Current 600μA
Direction Omnidirectional
Voltage Range 1.62V~3.6V
Frequency Range 20Hz~10kHz
Sensitivity -26dB ±3dB @ 94dB SPL
Port Location Bottom
S/N Ratio 65dB
Height 1.08mm
Length 3.5mm
Width 2.65mm
RoHS Status RoHS Compliant
See Relate Datesheet
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