RoHS Compliant
Features
• Small and low profile
• Ceramic package type
• Flat pass band characteristics
• Low insertion loss
• Circuit simplification
Application
• PHS
How to Order
PAFC 243 B
①Series
②Center Frequency
③Type
① ② ③
(Unit : mm) (Unit : mm)
(Unit : mm)
INPUT
OUTPUT
GROUND
N.C.
Tolerance: 0.1[mm]
①
②
③
④
Tolerance: 0.1[mm]
INPUT
OUTPUT
GROUND
①
②
③
G
IN
G
1.3 1.8
0.9
0.370.37
0.90.9
G
OUT
G
G: GROUND
1.3
Fig. E
Fig. A
Fig. C
Dimensions
Specifications
Test Circuit
Recommended Land Pattern
Fig. B
68nH 68nH
3.5pF 4.5pF
1.0pF 1.0pF
5050
IN OUT
Fig. D
150nH
120nH
1:1
1:1
5pF
5pF
5pF
5pF
50
50
IN
IN
OUT
OUT
Parts No.
PAFC243B
PAFC248C
Insertion
Loss
Operating
Temperature
Storage
Temperature
Test
Circuit
Taping
Dimensions
Recommended
Land Pattern
Dimen-
sions
Stop Band Attenuation
fn600kHz fn1.2MHz
fnfa MHz()
Ripple
(fn110kHz)
243.95MHz 4.0dB max. 130kHz min. 30dB min.40dB min.60dB min. 1.5dB max.1.2s max.
10 to 60
°
C20 to 80
°
C
Fig. A Fig. C Fig. E Fig. G
248.45MHz 4.5dB max. 130kHz min. 30dB min.35dB min.60dB min. 1.5dB max.1.2s max.
Fig. B Fig. D Fig. F Fig. G
Note PAFC248C : fa21.5MHz
PAFC243B : fa21.6MHz
Nominal Center
Frequency
(fn)
Pass Band
Width
(at 3dB)
Group Delay
Time
(fn110kHz)
(Unit : mm)
Fig. F
1.3 0.9 0.9 1.3
0.9
0.370.37
0.90.9
0.91.8
0.9
G
IN
IN
OUT
OUT
G
G: GROUND
Pb Free
0.8 1.0
1.3
③
②
③
③
②
③
③
①
③
④ ③
③
①
③
1.271.27
0.7
3.8
3.8
0.8
0.50.5
1.3
③
②
②
③
②
②
①
①
③
①
①
③
1.271.27
0.7
3.8
3.8
Surface Acoustic Wave Filters
PAFC Series
Characteristics
PAFC248C (Pass Band Characteristics) PAFC248C (Spurious Characteristics)
PAFC243B (Spurious Characteristics)PAFC243B (Pass Band Characteristics)
80
70
60
50
40
30
20
10
0
90
242.95 243.95 244.95
Frequency(MHz)
Attenuation(dB)
Group delay time(1.0sec/Div)
80
70
60
50
40
30
20
10
0
90
223.95 233.95 243.95 253.95 263.95
Frequency(MHz)
Attenuation(dB)
Recommended Temperature Profile IR Reflow
0
50
100
150
200
250
Temp.(°C) Peak Temp.
235°C±5°C
150°±10°C
Time
0 to 60sec. 60 to 120sec.
200°C
40 sec. max.
2 to 3sec.
80
70
60
50
40
30
20
10
0
90
247.450 248.450 249.450
Frequency(MHz) Frequency(MHz)
Attenuation(dB)
Attenuation(dB)
Group delay time(1.0sec/Div)
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
90.0
100.0
223.450 233.450 243.450 253.450 263.450 273.450
(Unit : mm)
Code
A B C D E F G H J K L M
Dimen
4.0 2.0 12.0 5.5 1.75 1.55 8.0 1.55 4.3 4.3 0.3 2.05
-sion
A
J
B L
H
K
C
D E
G M
F
Fig. G
Taping Dimensions
Surface Acoustic Wave Filters
PAFC Series
