• Linkedin
  • Facebook
  • YouTube
  • Twitter

ALLCHIPS ELECTRONICS LIMITED

Knowles EF-21937-000

EF-21937-000


  • Manufacturer: Knowles
  • Origchip NO: EF-21937-000
  • Package:
  • Datasheet: pdfPDF
  • Stock: 9983
  • Description: EF-21937-000(Kg)

Quantity:

Qty

Unit Price

Ext Price

  • 25

    $19.55

    $488.80

Not the price you want? Send RFQ Now and we'll contact you ASAP.

In Stock

Please send RFQ , we will respond immediately.

Purchase & Inquiry

Transport

Purchase

You may place an order without registering to SERDIA.
We strongly suggest you sign in before purchasing as you can track your order in real time.

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.

IMPORTANT NOTICE

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.

SPECIFICATIONS

Parameters
Efficiency - Type Sensitivity
Port Location Top
Shape Rectangular
Material - Cone -
Material - Magnet -
Ingress Protection -
Ratings -
Termination Solder Pads
Size / Dimension 0.310" L x 0.220" W (7.87mm x 5.59mm)
Height - Seated (Max) 0.310" (7.87mm)
RoHS Status RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8518.29.8000
Standard Package 25
Mfr Knowles
Series EF
Package Tray
Product Status Active
Technology Magnetic
Type Receiver
Frequency Range 200 Hz ~ 6.3 kHz
Frequency - Self Resonant -
Impedance 641 Ohms
Efficiency - dBA 122.00
Efficiency - Testing -
641 Ohms Receiver Speaker 200 Hz ~ 6.3 kHz Top Rectangular

Related Products

PUI Audio, Inc. AS05008MR-15

PUI Audio, Inc. AS05008MR-15

$5.52
Knowles EF-26494-000

Knowles EF-26494-000

CUI Devices CMR-15062S-67

CUI Devices CMR-15062S-67

$2.53
Knowles GU-32829-000

Knowles GU-32829-000

$40.03
Visaton GmbH & Co. KG B 200 - 6 OHM

Visaton GmbH & Co. KG B 200 - 6 OHM

$174.57
Visaton GmbH & Co. KG STELLA LIGHT  PAIR

Visaton GmbH & Co. KG STELLA LIGHT PAIR

$183.48
Knowles BK-21669-000

Knowles BK-21669-000

Knowles RVA-90091-NXX

Knowles RVA-90091-NXX

$33.99
Visaton GmbH & Co. KG DK 133 - 8 OHM

Visaton GmbH & Co. KG DK 133 - 8 OHM

$133.13
Adafruit Industries LLC 4445

Adafruit Industries LLC 4445

$3.95
Knowles FC-26184-000

Knowles FC-26184-000

$24.15
Knowles ED-26805-000

Knowles ED-26805-000

$23.41
CUI Devices GA0381M

CUI Devices GA0381M

$2.74
Knowles 2403 260 00107

Knowles 2403 260 00107

5 Core Inc FR 15200 01 AL

5 Core Inc FR 15200 01 AL

$113.05
Knowles EC-27906-000

Knowles EC-27906-000

CUI Devices CVS-1508

CUI Devices CVS-1508

$3.03
Adafruit Industries LLC 3923

Adafruit Industries LLC 3923

$2.44
PUI Audio, Inc. AS04004PO-WR-R

PUI Audio, Inc. AS04004PO-WR-R

$6.63
SparkFun Electronics COM-19102

SparkFun Electronics COM-19102

$24.95
Knowles 8101-254044

Knowles 8101-254044

PUI Audio, Inc. AS05004PS-2-F-WP-R

PUI Audio, Inc. AS05004PS-2-F-WP-R

$6.65
Knowles FK-31818-000

Knowles FK-31818-000

$29.10
Soberton Inc. SP-1511L-1

Soberton Inc. SP-1511L-1

$1.87
Knowles 8101-254100

Knowles 8101-254100

Knowles EF-26356-A17

Knowles EF-26356-A17

$20.47
Knowles FFH-26865-I05

Knowles FFH-26865-I05

Knowles BK-26834-000

Knowles BK-26834-000

Seltech CO2014L038BN8GMDAW

Seltech CO2014L038BN8GMDAW

$4.25
PUI Audio, Inc. AS03608MR-3-R

PUI Audio, Inc. AS03608MR-3-R

In Stock

Please send RFQ , we will respond immediately.