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Crystal Filter 21.4MHz 21m7.5A/21m12A/21m15A

Min. Order:	10 Pieces
Port:	Shenzhen, China
Production Capacity:	200000pieces/Month
Payment Terms:	L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Crystal Filter 21.4MHz 21m7.5A/21m12A/21m15A

Product Description

Company Info

Basic Info.

Model NO.

21.4Mhz HM21M7.5A/21M12A/21M15A

Type

Ceramic Filter

Transfer Function

Band Pass

Certification

RoHS

Center Frequency

21.4MHz

3dB Bandwidth

1kHz

6dB Bandwidth

1.02kHz

40dB Bandwidth

3kHz

Ripple

1.0dB

Insertion Loss

4.0dB Max

Group Delay Time

20usec

Stoppard Attention

50dB

Trademark

Transport Package

Carton

Specification

30*20*12

Origin

China

HS Code

8504409904

Product Description

HMCF1200

center frequency:21.4Mhz
3dB bandwidth : 1 khz min
40dB width : 3 khz max
ripple :1.0dB
insertion loss :3.0dB
Stoppard attention:60dB
Group delay time :20uSec

NO.	Item	Specification
4 - 1	f0 (6dB) Center Frequency f0 (Center of 6dB Bandwidth)	21.4MHz
4 - 2	(3dB) Bandwidth(3dB)	1 KHz min
	(6dB) Bandwidth(6dB)	1.02 kHz min
	(40dB) Bandwidth(40dB)	3 kHz min
4 - 3	(fo±1000KHz) Stop Band Attenuation	60dB min
4 - 4	(f0±10khz) Ripple (f0±10khz)	1.0dB max
4 - 5	Insertion Loss (At minimum loss point)	3.0dB max
4 - 6	(-20ºC~ +80ºC ) Temperature Stability (-20ºC~ +80ºC )	±0.5% max (-25ºC ~ +80ºC)
4-7	(0.1~1MHz)Spurious Response	20dB min
4-8	(fo±3.0 kHz)GDT Ripple deviation	20μsec max
4-9	Operating Temperature	-20ºC ~ +80ºC
4-10	Storage Temperature	-40ºC ~ +85ºC
4-11	Insulation Resistance(DC 25V 1 minute)	100MΩ min
4 - 12	/ Input/Output Impedance	50 Ω

NO.	Item	Measurement condition	Requirement
7-1	Random Drop	0.3 3 . Filter shall be measured after 3 times random drops from the height of 30cm on concrete floor	, 1. No visible damage and it meet Table 1
7-2		1.5mm,10-55Hz.	,
		,2	,
		.	1.
	Vibration	Filter shall be measured after being applied	No damage and it meet
		vibration of amplitude of 1.5mm with 10-55Hz	Table 1.
		band of vibration frequency to each of 3
		perpendicular directions for 2 hours
7-3	Solderability	5 ,230	95%
		±5ºC3±0.5 . Lead terminals are immersed in aide solder for 5 sec and then immersed in soldering bath of	. At least 95% lead terminals shall be covered
		230±5ºC, for 3±0.5 sec.	with solder.
7-4	Substrate Bending Test	0.5mm	It shall meet table 1. 1.

		(3),3mm,30 Apply pressure in the direction of arrow (see Fig. 3) at a rate of about 0.5mm per second until it
		reaches a
		bend of 3mm and hold for 30 seconds.
7-5		20N	It shall meet Table 1.

		(4),10 .

		,.
	Adhesion	A static load of 20N to the direction of the	1.
		arrow (see
		Fig. 4) shall be applied on the core of the
		component
		and hold for 10 seconds. Filter shall be

		soldered correctly and tightly to PCB.
7-6	Reflow Soldering	(5),	It shall meet Table 1. 1.

		24 . Put on the solder paste on the printed wiring board (pattern is shown in Fig. 5), the samples
		shall be mounted and soldered under the
		condition (pattern is shown in Fig. 6), then it
		shall be subjected to the room atmosphere for
		24 hours prior to the measurement.

Item	Specification
Center Frequency	21.4 MHz
(3dB) Bandwidth(3dB)	1 KHz min
(40dB) Selectivity(40dB)	3 KHz max
(fo±1000KHz) Stop Band Attenuation	60 dB min
Ripple	1.0dB max
Insertion Loss	3.0dB max

Address: Dongjiang Town Golden Bay Industrial Zone, Wuxi, Jiangsu, China

Business Type: Manufacturer/Factory

Business Range: Auto, Motorcycle Parts & Accessories, Electrical & Electronics, Industrial Equipment & Components, Manufacturing & Processing Machinery

Management System Certification: ISO 9001, ISO 14001

Main Products: Ceramic Filter, Precision Machinery Parts

Company Introduction: We have 30 years of design experience, excellent processing and manufacturing team, the quality is our consistent pursuit.

High-precision machining parts is our best at the product, oil seals, bushings, and other rotating precision products is our strength.

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Crystal Filter 21.4MHz 21m7.5A/21m12A/21m15A

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Company Info

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