Warning: fopen(/www/wwwroot/g182.goodao.net/storage/logs/error.log): failed to open stream: Permission denied in /www/wwwroot/g182.goodao.net/system/library/log.php on line 22 Knowles EF-21937-000

ALLCHIPS ELECTRONICS LIMITED

ALL Products

Knowles EF-21937-000

EF-21937-000

Manufacturer: Knowles
Origchip NO: EF-21937-000
Package:
Datasheet: PDF
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	-