INFINEON BA895

BA595/BA885/BA895...
Silicon PIN Diode
• Current-controlled RF resistor
for switching and attenuating applications
• Frequency range 1 MHz ... 2 GHz
• Especially useful as antenna switch
in TV-sat tuners
• Very low harmonics
BA595
BA895
BA885
3
1
2
1
Type
BA595
BA885
BA895
2
Package
SOD323
SOT23
SCD80
Configuration
single
single
single
Maximum Ratings at TA = 25°C, unless otherwise specified
Parameter
Symbol
LS(nH)
1.8
1.8
0.8
Value
Marking
white R
PA
RA
Unit
Diode reverse voltage
VR
50
V
Forward current
IF
50
mA
Junction temperature
Tj
150
°C
Operating temperature range
Top
-55 ... 125
Storage temperature
Tstg
-55 ... 150
Thermal Resistance
Parameter
Symbol
Junction - soldering point1)
RthJS
Value
K/W
BA595, BA885
≤ 370
BA895
≤ 95
1For
Unit
calculation of RthJA please refer to Application Note Thermal Resistance
1
Apr-06-2004
BA595/BA885/BA895...
Electrical Characteristics at TA = 25°C, unless otherwise specified
Parameter
Symbol
Values
Unit
min.
typ.
max.
IR
-
-
20
nA
VF
-
-
1.1
V
DC Characteristics
Reverse current
VR = 30 V
Forward voltage
I F = 50 mA
AC Characteristics
Diode capacitance
pF
CT
VR = 0 V, f = 100 MHz
-
0.26
0.4
VR = 10 V, f = 1 MHz
-
0.22
0.6
Reverse parallel resistance
RP
kΩ
VR = 1 V, f = 100 MHz
-
50
-
VR = 0 V, f = 1 GHz
-
10
-
Forward resistance
Ω
rf
IF = 1.5 mA, f = 100 MHz
-
22
40
IF = 10 mA, f = 100 MHz
-
4.5
7
τ rr
-
1600
-
ns
WI
-
130
-
µm
Charge carrier life time
IF = 10 mA, IR = 6 mA, measured at IR = 3 mA ,
RL = 100 Ω
I-region width
2
Apr-06-2004
BA595/BA885/BA895...
Diode capacitance CT = ƒ (VR)
Forward resistance rf = ƒ (I F)
f = Parameter
f = Parameter
10 3
0.5
pF
rf
BA 885
EHD07016
Ω
0.4
1 MHz
100 MHz
1 GHz
CT
0.35
10 2
0.3
0.25
0.2
10 1
0.15
0.1
0.05
0
0
5
10
15
V
20
10 0
10 -1
30
10 0
10 1
VR
mA
10 2
ΙF
Forward current IF = ƒ (VF)
Forward current IF = ƒ (T S)
TA = Parameter
BA595
10 0
mA
60
mA
10 -1
50
45
10
-3
40
IF
IF
10
-2
35
30
25
-40°C
+25°C
+85°C
+125°C
10 -4
10
-5
10
-6
20
15
10
5
0
0.2
0.4
0.6
0.8
1
°C
0
0
1.3
TS
15
30
45
60
75
90 105 120 °C
150
TS
3
Apr-06-2004
BA595/BA885/BA895...
Forward current IF = ƒ (T S)
Permissible Puls Load R thJS = ƒ (tp)
BA895
BA595
10 3
60
mA
K/W
50
R thJS
45
IF
40
35
10 2
30
25
10
20
0.5
0.2
0.1
0.05
0.02
0.01
0.005
D=0
1
15
10
5
0
0
15
30
45
60
90 105 120 °C
75
10 0 -6
10
150
10
-5
10
-4
10
-3
10
-2
TS
s
10
0
10
0
tp
Permissible Pulse Load
Permissible Puls Load R thJS = ƒ (tp)
IFmax / I FDC = ƒ (t p)
BA595
BA595
10 1
10 3
IFmax/IFDC
K/W
-
RthJS
D=0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
10 2
0.5
0.2
0.1
0.05
0.02
0.01
0.005
D=0
10 1
10 0 -6
10
10
-5
10
-4
10
-3
10
-2
s
10
10 0 -6
10
0
tp
10
-5
10
-4
10
-3
10
-2
s
tp
4
Apr-06-2004
BA595/BA885/BA895...
Permissible Pulse Load
IFmax / I FDC = ƒ (t p)
BA895
I Fmax/IFDC
10 1
D=0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
-
10 0 -6
10
10
-5
10
-4
10
-3
10
-2
s
10
0
tp
5
Apr-06-2004