SFSKA4M50CF00-R3 datasheet(36/77 Pages) MURATA1

36 / 77 page

2.3-5.7MHz Chip Type SFSKB Series

The SFSKB series are SMD ceramic ﬁlters suitable

for IR headphone applications.

Center frequencies of 2.3, 2.8, 3.2, 3.8, 4.3, 4.8, 5.2,

5.7MHz are available.

Realized small, thin and lightweight package,

compared with conventional LC ﬁlters.

It helps to compose multi-channel circuit on one PCB.

No frequency adjustment is required on PCB and it

contributes to the reduction of production cost.

c Features

1. SMD package in plastic emboss tape, available

for automatic placing.

2. They are slim, at only 1.5mm max. thickness,

and have a small mounting area (5.2x3.8mm) enabling

ﬂexible PCB design.

3. Available for lead (Pb) free reﬂow soldering process.

4. Operating temperature range: 0 to +70°C

Storage temperature range: -55 to +85°C

5. No frequency adjustment is required in production

process.

6. Small, thin and lightweight package compared with

conventional LC ﬁlters

c Applications

1. IR headphone

2. Set Top Box for satellite broadcasting

(in mm)

∗

5.2±0.1

(0.1) 1.5±0.1

0.3±0.1

(2.0)

4-0.35

(4.93)

Terminal Connection

(1) : Input

(2) : Output

(3) : Ground

(4) : Terminal for external

capacitor

∗ : EIAJ Monthly Code

Tolerance unless otherwise

specified : ±0.1mm

( ) : Reference

(1)

(2)

(4)

(3)

(2)

(4)

(3)

Part Number

Nominal Center

Frequency (fn)

(MHz)

3dB

Bandwidth

(kHz)

20dB

Bandwidth

(kHz)

Insertion

Loss

(dB)

Spurious

Attenuation(1)

(dB)

Spurious

Attenuation(2)

(dB)

Input/Output

Impedance

(ohm)

SFSKB2M30GF00-R1

2.300

fn±75 min.

650 max.

6.0 max.

25 min.

[within 1.3 to 1.8MHz]

23 min.

[within 2.8 to 3.3MHz]

1000

SFSKB2M80GF00-R1

2.800

fn±75 min.

650 max.

6.0 max.

25 min.

[within 1.8 to 2.3MHz]

25 min.

[within 3.3 to 3.8MHz]

1000

SFSKB3M20FF00-R1

3.200

fn±75 min.

650 max.

6.0 max.

30 min.

[within 2.2 to 2.8MHz]

30 min.

[within 3.8 to 4.2MHz]

1000

SFSKB3M80GF00-R1

3.800

fn±75 min.

650 max.

6.0 max.

30 min.

[within 2.8 to 3.2MHz]

30 min.

[within 4.3 to 4.8MHz]

1000

SFSKB4M30GF00-R1

4.300

fn±75 min.

650 max.

6.0 max.

30 min.

[within 3.3 to 3.8MHz]

30 min.

[within 4.8 to 5.3MHz]

1000

SFSKB4M80GF00-R1

4.800

fn±75 min.

650 max.

6.0 max.

30 min.

[within 3.8 to 4.3MHz]

30 min.

[within 5.2 to 5.8MHz]

1000

SFSKB5M20GF00-R1

5.200

fn±75 min.

650 max.

6.0 max.

30 min.

[within 4.2 to 4.8MHz]

30 min.

[within 5.7 to 6.2MHz]

1000

SFSKB5M70GF00-R1

5.700

fn±75 min.

650 max.

6.0 max.

30 min.

[within 4.7 to 5.2MHz]

30 min.

[within 6.2 to 6.7MHz]

1000

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.

!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 2.3-6.5MHz) for Audio/Visual Equipment

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