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! 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 speci?cations. Therefore, please approve our product speci?cations or transact the approval sheet for product speci?cations before ordering.
CERAFIL r (CERAFIL r 2.3-6.5MHz) for Audio/Visual Equipment
2.3-5.7MHz Chip Type SFSKB Series
5.2±0.1
(4)
The SFSKB series are SMD ceramic ?lters suitable
(1)
P50E.pdf
Sep.19,2012
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.
(3)
(4.93)
(2)
Realized small, thin and lightweight package,
compared with conventional LC ?lters.
(0.1) 1.5±0.1 (2.0)
4-0.35
Terminal Connection
(1) : Input
?
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.
0.3±0.1
(3) (2)
(4) (1)
(2) : Output
(3) : Ground
(4) : Terminal for external
capacitor
: EIAJ Monthly Code
Tolerance unless otherwise
specified : ±0.1mm
( ) : Reference
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
?exible PCB design.
3. Available for lead (Pb) free re?ow 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 ?lters
c Applications
1. IR headphone
2. Set Top Box for satellite broadcasting
(in mm)
10
Part Number
SFSKB2M30GF00-R1
SFSKB2M80GF00-R1
SFSKB3M20FF00-R1
SFSKB3M80GF00-R1
SFSKB4M30GF00-R1
SFSKB4M80GF00-R1
SFSKB5M20GF00-R1
SFSKB5M70GF00-R1
Nominal Center
Frequency (fn)
(MHz)
2.300
2.800
3.200
3.800
4.300
4.800
5.200
5.700
3dB
Bandwidth
(kHz)
fn±75 min.
fn±75 min.
fn±75 min.
fn±75 min.
fn±75 min.
fn±75 min.
fn±75 min.
fn±75 min.
20dB
Bandwidth
(kHz)
650 max.
650 max.
650 max.
650 max.
650 max.
650 max.
650 max.
650 max.
Insertion
Loss
(dB)
6.0 max.
6.0 max.
6.0 max.
6.0 max.
6.0 max.
6.0 max.
6.0 max.
6.0 max.
Spurious
Attenuation(1)
(dB)
25 min.
[within 1.3 to 1.8MHz]
25 min.
[within 1.8 to 2.3MHz]
30 min.
[within 2.2 to 2.8MHz]
30 min.
[within 2.8 to 3.2MHz]
30 min.
[within 3.3 to 3.8MHz]
30 min.
[within 3.8 to 4.3MHz]
30 min.
[within 4.2 to 4.8MHz]
30 min.
[within 4.7 to 5.2MHz]
Spurious
Attenuation(2)
(dB)
23 min.
[within 2.8 to 3.3MHz]
25 min.
[within 3.3 to 3.8MHz]
30 min.
[within 3.8 to 4.2MHz]
30 min.
[within 4.3 to 4.8MHz]
30 min.
[within 4.8 to 5.3MHz]
30 min.
[within 5.2 to 5.8MHz]
30 min.
[within 5.7 to 6.2MHz]
30 min.
[within 6.2 to 6.7MHz]
Input/Output
Impedance
(ohm)
1000
1000
1000
1000
1000
1000
1000
1000
For safety purposes, connect the output of ?lters to the IF ampli?er through a D.C. blocking capacitor. Avoid applying a direct current to the output of ceramic ?lters.
The order quantity should be an integral multiple of the "Minimum Quantity" shown in the package page.
34
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