SFSKA4M50CF00-R3 datasheet(40/77 Pages) MURATA1

40 / 77 page

Chip Type SFPKA Series

SFPKA series for AM use is one of the most

recommendable intermediate ﬁlters, having such

distinctive features as high selectivity, high

stability and adjustment-free operation.

Additionally, its easy matching with IC helps create an

easy circuit design.

c Features

1. The ﬁlters are mountable by automatic placers

and can be reﬂow soldered and withstand

washing.

2. The ﬁlters are wide bandwidth and high

selectivity, so they are suitable for car radio

and multi-band radio.

3.0±0.3

2.0±0.3

1.5±0.3

7.0±0.3

0.9±0.1

MARKING

EIAJ

CODE

2.0±0.3

(1) (2) (3)

1.5±0.3

1.6±0.3

Connection

(1): Input

(2): Ground

(3): Output

(in mm)

Part Number

Center

Frequency (fo)

(kHz)

6dB

Bandwidth

(kHz)

Selectivity (-)

(dB)

Selectivity (+)

(dB)

Insertion

Loss

(dB)

Input/Output

Impedance

(ohm)

Element

SFPKA450KH1A-R1

450.0 ±1.0kHz

fn±3.0 min.

40 min.[fn-9kHz]

40 min.[fn+9kHz]

6.0 max.

2000

SFPKA450KG1A-R1

450.0 ±1.0kHz

fn±4.5 min.

40 min.[fn-10kHz]

40 min.[fn+10kHz]

6.0 max.

1500

Area of Insertion Loss: at minimum loss point

Center frequency (fo) is deﬁned by the center of 6dB bandwidth.

(fn) means nominal center frequency (450kHz).

For safety purposes, connect the output of ﬁlters to the IF ampliﬁer through a D.C. blocking capacitor. Avoid applying a direct current to the output of ceramic ﬁlters.

The order quantity should be an integral multiple of the "Minimum Quantity" shown in the package page.

(in mm)

2.0

2.475

6.95

0.925

2.0

1.1

c Standard Land Pattern Dimensions

(1)

(2)

S(3)

(4)S

(6)

Type

Item

Winding Specification

No load Qu

Tuning Capacitance

180pF

SFPKA

(1)—(2)

(2)—(3)

(4)—(6)

60T

125T

28T

(Bottom view)

c Recommended IFT

Rg+R1=R2=Input/Output Impedance

E1: S.S.G. Output Voltage

S.S.G.

0dBm

(1)

(2)

(3)

RF Voltmeter

(1): Input

(2): Ground

(3): Output

c Test Circuit

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.

• This catalog has only typical speciﬁcations. Therefore, please approve our product speciﬁcations or transact the approval sheet for product speciﬁcations before ordering.

CERAFIL

r (CERAFILr 455kHz) for Audio/Visual Equipment

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