ICS-40638 is out of stock and can be placed on backorder.
Available Substitutes:

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TDK InvenSense
In Stock: 0
Unit Price: $2.68000
Datasheet
35 Hz ~ 20 kHz Analog Microphone MEMS (Silicon) 1.52 V ~ 3.63 V Omnidirectional ( -43dB ±1dB @ 94dB SPL ) Surface Mount
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ICS-40638

DigiKey Part Number
1428-ICS-40638TR-ND - Tape & Reel (TR)
1428-ICS-40638CT-ND - Cut Tape (CT)
1428-ICS-40638DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
ICS-40638
Description
MIC MEMS ANALOG OMNI -43DB
Customer Reference
Detailed Description
35 Hz ~ 20 kHz Analog Microphone MEMS (Silicon) 1.52 V ~ 3.63 V Omnidirectional (-43dB ±1dB @ 94dB SPL) Surface Mount
Datasheet
 Datasheet
EDA/CAD Models
ICS-40638 Models
Product Attributes
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Category
S/N Ratio
63dB
Manufacturer
TDK InvenSense
Impedance
355 Ohms
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage Range
1.52 V ~ 3.63 V
Part Status
Last Time Buy
Current - Supply
170 µA
Type
MEMS (Silicon)
Port Location
Bottom
Output Type
Analog
Termination
Surface Mount
Direction
Omnidirectional
Size / Dimension
0.138" L x 0.104" W (3.50mm x 2.65mm)
Frequency Range
35 Hz ~ 20 kHz
Height (Max)
0.039" (0.98mm)
Sensitivity
-43dB ±1dB @ 94dB SPL
Shape
Rectangular
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MMICT5837-00-012TDK InvenSense01428-MMICT5837-00-012TR-ND$2.68000Similar
Last Time Buy
10,000 estimated in stock on 15-Jan-2027
Last Time Buy Date: 6/15/2026
All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$3.89000$3.89
10$2.96800$29.68
25$2.67760$66.94
50$2.48120$124.06
100$2.30230$230.23
250$2.08952$522.38
500$1.94464$972.32
1,000$1.81203$1,812.03
5,000$1.71250$8,562.50
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