BAR81
Aug-21-2001
1
Silicon RF Switching Diodes
Design for use in shunt configuration
High shunt signal isolation
Low shunt insertion loss
4
3
1
2
VSO05553
Type
Marking
Pin Configuration
Package
BAR81
BBs
1 = C
2 = A
3 = C
4 = A
MW-4
Maximum Ratings
Parameter
Symbol
Value
Unit
Diode reverse voltage
V
R
30
V
Forward current
I
F
100
mA
Junction temperature
T
j
150
C
Operating temperature range
T
op
-55 ... 125
Storage temperature
T
stg
-55 ... 150
BAR81
Aug-21-2001
2
Electrical Characteristics at T
A
= 25C, unless otherwise specified.
Parameter
Symbol
Values
Unit
min.
typ.
max.
DC characteristics
Reverse current
V
R
= 20 V
I
R
-
-
20
nA
Forward voltage
I
F
= 100 mA
V
F
-
0.93
1
V
AC characteristics
pF
C
T
-
-
Diode capacitance
V
R
= 1 V, f = 1 MHz
V
R
= 3 V, f = 1 MHz
0.6
0.57
-
-
Forward resistance
I
F
= 5 mA, f = 100 MHz
0.7
-
-
r
f
nH
Series inductance chip to ground
L
s
-
0.15
-
Configuration of the shunt-diode
- A perfect ground is essential for optimum isolation
- The anode pins should be used as passage for RF
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