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TO38-31020-B21

TO38-31020-B21

TO38-31020-B21

Knowles

MICROPHONE COND ANALOG OMNI

compliant

-

HongKong/Shenzhen Warehouse

DHL/Fedex/UPS/TNT/SF/EMS

TO38-31020-B21 Pricing & Ordering

Quantity Unit Price Ext. Price
25 $22.49520 $562.38
Inventory changes frequently.

TO38-31020-B21 Purchase Assurance: Buy Confidently, Use Securely

Transparent & Traceable Sources

We source exclusively from verified channels to ensure authenticity:

  • Direct from manufacturer and OEMs
  • Authorized distributors
  • Market-vetted traders (3+ years stable supply)

Every batch is traceable with documented proof of origin.

Quality Inspection Process

We enforce strict checks to ensure components meet standards:

  • Visual: Appearance, markings, packaging, batch codes
  • X-ray: Pad consistency (on request)
  • Function test: Sample checks for specific models (upon request)
  • Reports: Available upon request
Flexible Payments & Terms

We adapt to your project needs:

  • T/T, PayPal, Credit Card
  • Credit terms for long-term partners (e.g., monthly, Net 15/30)
Reliable After-Sales Support

365 Days warranty with streamlined solutions:

  • Defective? Free returns/replacements
  • Fast reshipment or refund
  • Full-service sourcing: Procurement & payment support
Bom Cost Down
Bom Cost Down
Wholesale Prices for Every Order, Big or Small
Wholesale Prices for Every Order, Big or Small

TO38-31020-B21 Knowles

Name Value
Product Status Active
Type Electret Condenser
Output Type Analog
Direction Omnidirectional
Frequency Range 80 Hz ~ 10 kHz
Sensitivity -54dB ±3dB @ 74dB SPL
S/N Ratio -
Impedance 4.4 kOhms
Voltage - Rated -
Voltage Range 0.9 V ~ 1.6 V
Current - Supply 29 µA
Port Location Side
Ratings -
Termination Solder Pads
Size / Dimension 0.141" L x 0.141" W (3.57mm x 3.57mm)
Height (Max) 0.053" (1.35mm)
Shape Square
Q1: What is the purchase guide for TO38-31020-B21?
TO38-31020-B21 of Knowles is a MICROPHONE COND ANALOG OMNI. ICHOME is a long-term spot supplier of TO38-31020-B21, supporting sample purchase and bulk order.
Q2: How to find the detailed information of TO38-31020-B21?
Download TO38-31020-B21 Datasheet
Q3: What payment can support in ICHOME?
PayPal, Payoneer, Visa, Bank Transfer, AliExpress.
Q4: Where do you sourcingTO38-31020-B21 from?
After 21 years of long-term and stable development, ICHOME have accumulated leading supply chain partner.
Q5: Can you provide TO38-31020-B21 alternative/replacement suggestions?
Through different levels of industry applications, ICHOME engineers will analyze component risks (discontinued, single source, etc.) and give you TO38-31020-B21 replacement suggestions, and then provide you with alternative products, supporting free sample delivery.
Q6: Why choose ICHOME?
Compared with ordinary agents, ICHOME provides full BOM matching, EOL judgment, alternative model suggestions, large stock + flexible procurement, test reports, return service
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