KSD-2075-000
1
SDP520WMF
Attenuator Diode
Features
• SMD package : SOT-23F
• Low capacitance : CT=0.25pF(Typ.)
• Series resistance : rs=7Ω(Typ.)
• VHF tuner band RF attenuator application
• AGC for UHF/VHF tuner
Ordering Information
Type No. Marking Package Code
SDP520WMF W2M SOT-23F
Outline Dimensions unit : mm
1
3
S
Se
em
mi
ic
co
on
nd
du
uc
ct
to
or
r
2
0.4±0.05
0~0.1
3
1
2
1.90 BSC
2.9±0.1
0.15±0.05
2.4±0.1
0.9±0.1
1.6±0.1
PIN Connections
1. Anode
2. Cathode
3. Cathode(D1)
Anode (D2)
KSD-2075-000
2
SDP520WMF
Absolute maximum ratings Ta=25°C
Characteristic Symbol Ratings Unit
Continuous reverse voltage VR 50 V
Forward current IF
* 50 mA
Junction temperature Tj 150
°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 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-2075-000
3
SDP520WMF
Fig. 2 IF-VF
Fig. 1 I C -Ta
Fig. 4
rs-IF
Fig. 3 CT -VR
