#4DFA-1248B-10=P TOKO, #4DFA-1248B-10=P Datasheet
#4DFA-1248B-10=P
Manufacturer Part Number
#4DFA-1248B-10=P
Description
Electromechanical Filter Dielectric Filter
Manufacturer
TOKO
Datasheet
1.4DFA-1248B-10P.pdf
(3 pages)
Specifications of #4DFA-1248B-10=P
Maximum Insertion Loss
2 dB
TYPE #4DFA
Frequency Range: 700~2500MHz
Temperature Range: - 40°C~+ 85°C
#4DFA
#4DFB
• The Part Number shown in the table below are standard devices, which are
• RoHS compliant
入出力インピーダンス／Input Output impedance : 50Ω
TYPE #4DFA: SMD 2 Pole Designs
#4DFA-836E-10
#4DFA-881E-10
#4DFA-902E-10
#4DFA-947E-10
#4DFA-866A-10
#4DFA-886A-10
#4DFA-808C-11
#4DFA-849C-10
#4DFA-915E-10
#4DFA-1227B-10
#4DFA-1227B-11
#4DFA-1227D-12
#4DFA-1248B-10
#4DFA-1575B-10
#4DFA-1575B-12
#4DFA-1575B-14
#4DFA-1550L-10
#4DFA-2442P-10
readily available. TOKO will design and manufacture modified and custom
devices with specific characteristics to meet your requirements.
If you do not find the devices for your application in this catalog, please
contact our sales or representative office.
東光品番
Number
TOKO
Part
中心周波数
Frequency
1227.0
1227.0
1227.0
1248.0
1575.4
1575.4
1575.4
1550.0
2442.0
Center
(MHz)
836.5
881.5
902.5
947.5
866.0
886.0
808.0
849.0
915.0
(2 Pole SMD Type) /
Bandwidth
(fo ± MHz)
SELECTION GUIDE FOR STANDARD DEVICES
± 12.5
± 12.5
± 12.5
± 12.5
± 2.0
± 1.0
± 8.0
± 8.0
± 13.0
± 5.0
± 5.0
± 10.0
± 5.0
± 5.0
± 5.0
± 5.0
± 30.0
± 40.0
帯域幅
Dielectric Filters for Surface Mounting
面実装用小型誘電体フィルタ
1.2: 0.7 Typ.
1.2: 0.7 Typ.
2.0: 1.4 Typ.
2.0: 1.4 Typ.
1.2: 0.7 Typ.
2.5: 1.8 Typ.
1.2: 0.7 Typ.
*: Depends on Center Frequency.
*: 長さは周波数に依存します。
*: Depends on Center Frequency.
*: 長さは周波数に依存します。
(dB) Max.
挿入損失
Insertion
Loss
2.0
2.0
2.0
2.0
3.0
3.0
2.0
2.0
2.2
2.0
2.5
#4DFB
帯域内リップル V.S.W.R.
(dB) Max.
Ripple
in BW
(3 Pole SMD Type)
(Unit: mm)
(Unit: mm)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.8
0.5
0.7
0.8
0.8
0.5
0.8
0.7
1.0
• 下記の表に示す製品番号は標準品です。TOKOは、お客様のご要望に合わせ設計、製作
• RoHS指令対応
致しますので、お客様の用途に適合する仕様が見当たらない場合は、当社営業所または
代理店にご連絡下さい。
V.S.W.R.
in BW
Max.
2.0
2.0
2.0
2.0
1.43
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
Typical Characteristics 代表特性例
15, 20 (fo + 140, − 140)
16, 20 (fo + 140, − 140)
17, 20 (fo + 140, − 140)
12,16 (fo + 150, − 150)
7, 30 (fo ± 35, ± 140)
7, 30 (fo ± 35, ± 140)
7, 30 (fo ± 35, ± 140)
(dB) Min. (MHz)
18 (fo ± 77.5)
18 (fo ± 77.5)
18 (fo ± 77.5)
18 (fo ± 77.5)
30 (fo − 105)
22 (fo ± 45)
22 (fo ± 64)
22 (fo ± 64)
18 (fo ± 77.5)
17 (fo ± 50)
15 (fo ± 250)
Selectivity
選択度
AMPS
AMPS
NMT/GSM
NMT/GSM
CT2
Cordless Phone
Wireless Microphone
Wireless Microphone
Spread Spectrum
GPS
GPS
GPS
GPS
GPS
GPS
GPS
MCSS
Spread Spectrum
Application
応用例
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#4DFA-1248B-10=P Summary of contents
Page 1
... If you do not find the devices for your application in this catalog, please contact our sales or representative office. • RoHS compliant TYPE #4DFA: SMD 2 Pole Designs 東光品番 中心周波数 帯域幅 ...
Page 2
... TYPE #4DFB: SMD 3 Pole Designs 東光品番 中心周波数 帯域幅 TOKO Center Bandwidth Part Frequency (fo ± MHz) Number (MHz) ± 12.0 #4DFB-704E-10 704.0 ± 20.0 #4DFB-790H-10 790.0 ± 14.0 #4DFB-796F-10 796.0 ± 12.5 #4DFB-836E-10 836.5 ± ...
Page 3
Dielectric Filters for Surface Mounting 面実装用誘電体フィルタ ■ PRECAUTIONS AND RECOMMENDED SOLDERING CONDITIONS FOR USING DIELECTRIC FILTERS SURFACE MOUNT TYPE 面実装誘電体フィルタご使用上の注意・推奨はんだ付け条件 1. Reflow solder conditions •Solderability When flux-mounted terminals are immersed in solder at following conditions, at least 95% of the ...