KSD-C022-000 1
SDP520D
Attenuator Diode
Features
? SMD package : SOD-323
? Low capacitance : CT=0.25pF(Typ.)
? Low series resistance : rs=7?(Typ.)
? VHF tuner band RF attenuator application
? AGC for FM tuner
Ordering Information
Type No. Marking Package Code
SDP520D 2M SOD-323
Outline Dimensions unit : mm
S
Se
em
mi
ic
co
on
nd
du
uc
ct
to
or
r
PIN Connections
1. Anode
2. Cathode
2.5?0.1
1.7?0.1
1.25?0.1
0.3~0.35
CATHODE MARK
0.2 Min.
0.9
?0.1
0~0.1
0.15
?0.04
21
1
2
KSD-C022-000 2
SDP520D
Absolute maximum ratings Ta=25?C
Characteristic Symbol Ratings Unit
Continuous reverse voltage VR50 V
Forward current IF*50 mA
Junction temperature Tj150 ?C
Storage temperature Tstg -55 ~ 150 ?C
* : Unit ratings. Total rating = Unit rating ? 1.5
Electrical Characteristics Ta=25?C
Characteristic Symbol Test Condition Min. Typ. Max. Unit
Reverse voltage VRIR=10?A50 - - V
Reverse current IRVR=50V - - 0.1 ?A
Forward voltage VFIF=50mA -0.95 -V
Total capacitance CTVR=50V, f=1MHz -0.25 0.5 pF
IF=0.01mA, f=100MHz -2800 -?
IF=0.1mA, f=100MHz -380 -?
IF=1mA, f=100MHz -45 -?
Series resistance rS
IF=10mA, f=100MHz -7-?
KSD-C022-000 3
SDP520D
Fig. 2 IF-VF
Fig. 1 I C -Ta
Fig. 4 rs-IF Fig. 3 CT -VR
?
