Switching Diodes
MA2B170, MA2B171
Silicon epitaxial planar type
Unit : mm
For high-speed switching circuits
I
Features
•
Large forward current I
F(AV)
•
High switching speed
•
Small terminal capacitance, C
t
COLORED BAND
INDICATES
CATHODE
φ
0.56 max.
1
24 min.
1st Band
2nd Band
I
Absolute Maximum Ratings
T
a
= 25°C
Parameter
Reverse voltage
(DC)
Repetitive peak
reverse voltage
MA2B170
MA2B171
MA2B170
MA2B171
I
F(AV)
I
FRM
I
FSM
T
j
T
stg
V
RRM
Symbol
V
R
Rating
40
80
40
80
200
600
1
200
−55
to
+200
mA
mA
A
°C
°C
V
2
φ
1.95 max.
Unit
V
24 min.
Average forward current
Repetitive peak forward current
Non-repetitive peak
forward surge
current
*
Junction temperature
Storage temperature
Note) * : t = 1 s
1 : Cathode
2 : Anode
JEDEC : DO-35
I
Electrical Characteristics
T
a
= 25°C
Parameter
Reverse current (DC)
MA2B170
MA2B171
MA2B170
MA2B171
MA2B170
MA2B171
Forward voltage (DC)
Terminal capacitance
Reverse recovery time
*
V
F
C
t
t
rr
I
R
I
R2
V
R
= 35 V
V
R
= 75 V
V
R
= 35 V, T
a
= 150°C
V
R
= 75 V, T
a
= 150°C
I
F
= 200 mA
V
R
= 0 V, f = 1 MHz
I
F
= 10 mA, V
R
= 1 V
I
rr
= 0.1 · I
R
, R
L
= 100
Ω
2. * : t
rr
measuring circuit
Bias Application Unit N-50BU
t
r
10%
Input Pulse
t
p
t
I
F
t
rr
t
I
rr
=
0.1 · I
R
I
F
=
10 mA
V
R
=
1 V
R
L
=
100
Ω
Output Pulse
Symbol
I
R1
V
R
= 15 V
Conditions
Min
Typ
Max
50
4.5 max.
Unit
nA
500
500
100
100
1.1
4
20
nA
µA
V
pF
ns
Note) 1. Rated input/output frequency: 100 MHz
I
Cathode Indication
Type No.
Color
1st Band
2nd Band
MA2B170 MA2B171
Violet
White
Violet
Green
A
V
R
Pulse Generator
(PG-10N)
R
s
=
50
Ω
W.F.Analyzer
(SAS-8130)
R
i
=
50
Ω
90%
t
p
=
2
µs
t
r
=
0.35 ns
δ =
0.05
1
MA2B170, MA2B171
Common characteristics charts
I
F
V
F
1 000
0.8
0.7
Switching Diodes
V
F
T
a
10
5
C
t
V
R
f
=
1 MHz
T
a
=
25°C
100
0.6
0.5
0.4
0.3
0.2
0.1
Terminal capacitance C
t
(pF)
Forward current I
F
(mA)
Forward voltage V
F
(V)
T
a
=
150°C
10
75°C
25°C
1
I
F
=
10 mA
1 mA
3
2
1
0.1 mA
0.5
0.3
0.2
0.1
0.01
0
0.2
0.4
0.6
0.8
1.0
0
−40
0.1
0
40
80
120
160
180
0
10
20
30
40
50
Forward voltage V
F
(V)
Ambient temperature T
a
(
°C
)
Reverse voltage V
R
(V)
Characteristics charts of MA2B170
I
R
V
R
100
T
a
=
150°C
10
10
100
I
R
T
a
Reverse current I
R
(
µA
)
Reverse current I
R
(
µA
)
1
75°C
0.1
1
V
R
=
35 V
15 V
0.1
0.01
25°C
0.01
0.001
0
10
20
30
40
50
60
0.001
−40
0
40
80
120
160
200
Reverse voltage V
R
(V)
Ambient temperature T
a
(
°C
)
Characteristics charts of MA2B171
I
R
V
R
100
T
a
=
150°C
10
10
100
I
R
T
a
Reverse current I
R
(
µA
)
Reverse current I
R
(
µA
)
1
75°C
1
V
R
=
75 V
15 V
0.1
25°C
0.1
0.01
0.01
0.001
0
20
40
60
80
100
120
0.001
−40
0
40
80
120
160
200
Reverse voltage V
R
(V)
Ambient temperature T
a
(
°C
)
2
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