• Linkedin
  • Facebook
  • YouTube
  • Twitter

ALLCHIPS ELECTRONICS LIMITED

Knowles EF-21958-000

EF-21958-000


  • Manufacturer: Knowles
  • Origchip NO: EF-21958-000
  • Package:
  • Datasheet: pdfPDF
  • Stock: 2659
  • Description: EF-21958-000(Kg)

Quantity:

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
Mfr Knowles
Series EF
Package Bulk
Product Status Obsolete
Technology Magnetic
Type Receiver
Frequency Range 200 Hz ~ 6.3 kHz
Frequency - Self Resonant -
Impedance 1.331 kOhms
Efficiency - dBA 122.00
Efficiency - Testing -
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)
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8518.29.8000
Standard Package 1
1.331 kOhms Receiver Speaker 200 Hz ~ 6.3 kHz Top Rectangular

Related Products

BeStar Technologies, Inc. BMS1609F-11C-07H03-DS

BeStar Technologies, Inc. BMS1609F-11C-07H03-DS

$3.43
CUI Devices CMS-15113-078L100-67

CUI Devices CMS-15113-078L100-67

$2.33
PUI Audio, Inc. AS09008PO-R

PUI Audio, Inc. AS09008PO-R

Knowles ED-33465-000

Knowles ED-33465-000

$16.54
Seltech CC31C165AN4P

Seltech CC31C165AN4P

$4.25
5 Core Inc WS-11 6.5

5 Core Inc WS-11 6.5

$37.99
Knowles FFH-26553-I05

Knowles FFH-26553-I05

$31.39
Visaton GmbH & Co. KG STELLA LIGHT  PAIR

Visaton GmbH & Co. KG STELLA LIGHT PAIR

$183.48
CUI Devices CMS-151125-076SP-67

CUI Devices CMS-151125-076SP-67

$2.23
CUI Devices CSS-66668N

CUI Devices CSS-66668N

$3.90
PUI Audio, Inc. AS01506MS-SC15-WP-3-R

PUI Audio, Inc. AS01506MS-SC15-WP-3-R

$1.83
CUI Devices CMS-18138A-SP

CUI Devices CMS-18138A-SP

$2.93
USound GmbH UA-C0601-2T

USound GmbH UA-C0601-2T

$12.63
Visaton GmbH & Co. KG FR 10 - 8 OHM

Visaton GmbH & Co. KG FR 10 - 8 OHM

$15.68
Mallory Sonalert Products Inc. PSR50F25SK

Mallory Sonalert Products Inc. PSR50F25SK

$4.27
Knowles 8101-254060

Knowles 8101-254060

Knowles BK-21615-000

Knowles BK-21615-000

$17.55
DB Unlimited SM500408-2

DB Unlimited SM500408-2

$2.15
Visaton GmbH & Co. KG PL 7 RV - 4 OHM (NCS S 3000-N)

Visaton GmbH & Co. KG PL 7 RV - 4 OHM (NCS S 3000-N)

$25.09
Knowles WBFK-32258-000

Knowles WBFK-32258-000

$16.78
Visaton GmbH & Co. KG WB 13 - 100 V/8 OHM (WHITE)

Visaton GmbH & Co. KG WB 13 - 100 V/8 OHM (WHITE)

$95.23
Knowles EF-23094-000

Knowles EF-23094-000

CUI Devices GC0401K

CUI Devices GC0401K

$6.61
Taoglas Limited SPKA.46.8.B

Taoglas Limited SPKA.46.8.B

$26.48
Peerless by Tymphany SLS-160F32PR04-04

Peerless by Tymphany SLS-160F32PR04-04

CUI Devices S-4051-16-SP

CUI Devices S-4051-16-SP

$3.57
CUI Devices GC0402MA

CUI Devices GC0402MA

$3.62
Knowles RAD-33341-000

Knowles RAD-33341-000

$25.36
Knowles 8101-254103

Knowles 8101-254103

Visaton GmbH & Co. KG K 50 SQ - 8 OHM

Visaton GmbH & Co. KG K 50 SQ - 8 OHM

$8.26

In Stock

Please send RFQ , we will respond immediately.