SMD Monolithic Crystal Filters
DSF753S 4POLE(SDF TYPE)
■
Features
●
7.0×5.0×1.3mm, lightweight (0.15g) and miniature
SMD crystal filter.
●
4 pole function in a single package.
●
Excellent guaranteed attenuation.
●
Excellent shock and vibration resistance.
■
Applications
●
Radio communications
Pb-Free
RoHS Compliant
■ Standard Specification
Type
Actual size
DSF753SDF
D45015GQ
4
Fundamental
45.000 MHz
±7.5 Hz min./3dB
½
±25 Hz max./30dB
½
1½B max.
4½B max.
80½B min.
570Ω//3pF Cc=11pF
D46307GQ
D50810GQ
4
4
Fundamental
Fundamental
46.350 MHz
50.850 MHz
±3.5 Hz min./3dB
½
±5 Hz min./3dB
½
±18 Hz max./40dB
½
±20 Hz max./40dB
½
1½B max.
1½B max.
5½B max.
5½B max.
80½B min.
80½B min.
200Ω//5pF Cc=23pF 560Ω//4pF Cc=9.7pF
−20½+70℃
1000pcs./reel(φ180)
D73312GQ
4
Fundamental
73.350 MHz
±6 Hz min./3dB
½
±25 Hz max./40dB
½
1½B max.
5½B max.
80½B min.
450Ω//4pF Cc=9.2pF
Model
D21406GQ
Pole
4
Overtone Order
Fundamental
Nominal Frequency
21.400 MHz
Pass Bandwidth
±3.0 Hz min./3dB
½
Stop Bandwidth
±6.25 Hz max./18dB
½
Ripple
1½B max.
Insertion Loss
6½B max.
Guaranteed Attenuation
80½B min.
Terminating Impedance 910Ω//4pF Cc=14.5½F
Operating Temperature Range
Packing Unit
Consult our sales representative for other specifications.
■ Dimensions[mm]
7.0±0.2
Model
■ Characteristics Chart fo=45MHz、
(
P=±7.5kHz)
5.0±0.2
50810GQ
K S 7A
D
Logo
Lot No.
1.3±0.2
1.2
#2
1.0
#3
#4
1.0
2.54
3.8
1.2
#1
#6
5.8
#5
Pin No. Connection
#1
INPUT
#2
GND.
#3
Connect with #6
#4
OUTPUT
#5
GND.
#6
Connect with #3
■ Recommended Land Pattern
〈Top View〉
6.0
1.4
[mm]
■ Measurement Circuit
1.4
2.54
4.0
#3
MCF
#6
R(Ω)
(=Rt-50)
Ct(pF)
L.M
50Ω
R(Ω)
#2
#1
#4
#5
2.0
(=Rt-50)
2.0
Coupling Capacitor
Connect to GND
S.G
50Ω
Ct(pF)
Cc(pF)