KSD-D5D009-000 1
SDP520WMUF
Attenuator Diode
Features
• SMD package : SOT-323F
• Low capacitance : CT=0.25pF(Typ.)
• Low series resistance : rs=7Ω(Typ.)
• VHF tuner band RF attenuator application
• AGC for UHF/VHF Tuner
Ordering Information
Type No. Marking Package Code
SDP520WMUF 2M SOT-323F
Outline Dimensions unit : mm
S
Se
em
mi
ic
co
on
nd
du
uc
ct
to
or
r
PIN Connections
1. Anode
2. Cathode
3. Cathode, Anode
1.30 Typ.
0.16 Max.
0.40 Max.
0.10 Max.
1.95~2.25
1.20~1.40
1.90~2.10
0.60~0.80
3
1
2
1
3
2
KSD-D5D009-000 2
SDP520WMUF
Absolute Maximum Ratings (Ta=25°C)
Characteristic Symbol Rating Unit
Continuous reverse voltage VR 50 V
Forward current IF
* 50 mA
Junction temperature Tj 150
°C
Storage temperature range 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 VR IR=10µA 50 - - V
Reverse current IR V
R=50V - - 0.1
µA
Forward voltage VF I
F=50mA - 0.95 - V
Total capacitance CT V
R=50V, f=1MHz - 0.25 0.5 pF
IF=0.01mA, f=100MHz - 2800 - Ω
IF=0.1mA, f=100MHz - 380 - Ω
IF=1mA, f=100MHz - 45 - Ω
Series resistance rS
IF=10mA, f=100MHz - 7 - Ω
KSD-D5D009-000 3
SDP520WMUF
Fig. 2 IF -VF
Fig. 1 I C -Ta
Fig. 4
rs -IF
Fig. 3 CT -VR
The AUK Corp. products are intended for the use as components in general electronic equipment
(Office and communication equipment, measuring equipment, home appliance, etc.).
Please make sure that you consult with us before you use these AUK Corp. products in equipments
which require high quality and / or reliability, and in equipments which could have major impact to the
welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all
types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case
these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK
Corp..
Specifications mentioned in this publication are subject to change without notice.
