LTM450FW datasheet(3/3 Pages) LUGUANG

Part #	LTM450FW

Description	Ceramic Filter

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Manufacturer	LUGUANG [Shenzhen Luguang Electronic Technology Co., Ltd]

Direct Link	http://www.luguang.cn/web_en/index.html

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SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD.

6-4

TEMPERATURE CYCLING

SUBJECT

THE

FILTER

TO

ALOW TEMPERATURE OF -55℃ FOR 30

MINUTES. FOLLOWSING BY A HIGH TEMPERATURE

OF +85℃ FOR 30

MINUTES. THEN RELEASE THE FILTER INTO THE ROOM

CONDITIONS

FOR 1 TO 2 HOURS PRIOR TO THE MESUREMENT. IT SHALL MEET THE

SPECIFICATIONS IN TABLE 1.

6-5

RESISTANCE

TO

SOLDER HEAT

DIP THE FILTER TERMINALS NO

CLOSER

THAN

1.5mm

INTO THE

SOLDER BATH AT 270℃ ±10℃ FOR 10±1 SEC. THEN RELEASE THE

FILTER

IN TO

THE

ROOM

CONDITIONS

FOR 1 TO 2 HOURS. THE

FILTER SHALL MEET THE SPECIFICATIONS IN TABLE 1.

6-6

MECHANICAL SHOCK

DROP THE FIL TER RANDOMLY ONTO THE

CONCRETE FLOOR FROM

THE

HEIGHT OF 30cm 3

TIMES.THE FILTER

SHALL FULFILL

THE

SPECIFICATIONS IN TABLE 1.

6-7

VIBRATION

SUBJECT THE FILTER TO THE

VIBRATION FOR 1 HOUR EACH IN X,Y

AND

Z AXES WITH THE

AMPLITUDE OF 1.5mm AT 10 TO 55Hz.

THE

FILTER

SHALL

FULFILLTHE SPECIFICATIONS IN TABLE 1.

6-8

LEAD FATIGUE

6-8-1

PULLING TEST

WEIGHT

ALONG WITH THE DIRECTION OF LEAD WITHOUT AN

SHOCK 3 KG.

THE

FILTER SHALL SATISFY ALL THE INITIALL

CHARACTERISTICS.

6-8-2

BENDING TEST

LEAD

SHALL BE SUBJECT TO

WITHSTAND

AGAINST

90℃

BENDING IN THE DERECTION OF THICKNESS. THIS OPERATION

SHALL BE

DONE

TOWARD

BOTH

DIRECTION.THE FIL TER

SHALL SHOW

NOEVIDENCE OF DAMAGE AND SHALL SATISFY

ALL THE INITIAL ELECTRIC AL CHARACTERISTICS.

TABLE 1

ITEM

SPECIFICATION

CENTRE FREQUENCY(f。)

450±1.5 KHz Max

BAND WIDTH(6 dB)

±6.0 KHz Min

SELECTIVITY(50 dB)

±12.50 KHz Max

STOP BAND ATTENUATION

40 dB Min

RIPPLE

2.0 dB Max

INSERTION LOSS

6.0 dB

Max

LTM450FW

Ceramic Filter

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LTM450FW Datasheet(PDF) 3 Page - Shenzhen Luguang Electronic Technology Co., Ltd

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