PANASONIC MA170

Switching Diodes
MA2B170, MA2B171
Silicon epitaxial planar type
Unit : mm
For high-speed switching circuits
φ 0.56 max.
1
■ Features
4.5 max.
• Large forward current IF(AV)
• High switching speed
• Small terminal capacitance, Ct
24 min.
COLORED BAND
INDICATES
CATHODE
1st Band
2nd Band
Parameter
Symbol
Reverse voltage
(DC)
MA2B170
Repetitive peak
reverse voltage
MA2B170
Rating
Unit
40
V
VR
MA2B171
24 min.
■ Absolute Maximum Ratings Ta = 25°C
80
VRRM
40
MA2B171
2
V
80
φ 1.95 max.
Average forward current
IF(AV)
200
mA
Repetitive peak forward current
IFRM
600
mA
Non-repetitive peak
forward surge current*
IFSM
1
A
Junction temperature
Tj
200
°C
Storage temperature
Tstg
−55 to +200
°C
1 : Cathode
2 : Anode
JEDEC : DO-35
Note) * : t = 1 s
■ Electrical Characteristics Ta = 25°C
Parameter
Reverse current (DC)
Symbol
MA2B170
Max
Unit
IR1
VR = 15 V
Conditions
Min
Typ
50
nA
IR2
VR = 35 V
500
nA
MA2B171
MA2B170
MA2B171
MA2B170
IR
MA2B171
VR = 75 V
500
VR = 35 V, Ta = 150°C
100
µA
VR = 75 V, Ta = 150°C
100
Forward voltage (DC)
VF
IF = 200 mA
1.1
V
Terminal capacitance
Ct
VR = 0 V, f = 1 MHz
4
pF
Reverse recovery time*
trr
IF = 10 mA, VR = 1 V
Irr = 0.1 · IR, RL = 100 Ω
20
ns
Note) 1. Rated input/output frequency: 100 MHz
■ Cathode Indication
Type No.
Color
1st Band
2nd Band
2. * : trr measuring circuit
Bias Application Unit N-50BU
Input Pulse
MA2B170 MA2B171
Violet
White
tp
tr
Violet
10%
A
Green
VR
Pulse Generator
(PG-10N)
Rs = 50 Ω
W.F.Analyzer
(SAS-8130)
Ri = 50 Ω
90%
tp = 2 µs
tr = 0.35 ns
δ = 0.05
Output Pulse
t
IF
trr
t
Irr = 0.1 · IR
IF = 10 mA
VR = 1 V
RL = 100 Ω
1
MA2B170, MA2B171
Switching Diodes
Common characteristics charts
IF  V F
Ct  VR
VF  Ta
1 000
10
0.8
0.7
Terminal capacitance Ct (pF)
5
Forward voltage VF (V)
Forward current IF (mA)
100
Ta = 150°C
75°C
10
25°C
1
0.6
IF = 10 mA
0.5
1 mA
0.4
0.1 mA
0.3
0.2
0.1
0
0.2
0.4
0.6
0.8
0
−40
1.0
Forward voltage VF (V)
40
80
120
160
180
IR  V R
IR  T a
100
Ta = 150°C
Reverse current IR (µA)
Reverse current IR (µA)
10
1
75°C
0.1
25°C
0.01
0.001
0
10
20
30
40
VR = 35 V
1
15 V
0.1
0.01
50
60
0.001
−40
Reverse voltage VR (V)
0
40
80
120
160
200
Ambient temperature Ta (°C)
Characteristics charts of MA2B171
IR  V R
IR  T a
100
100
Ta = 150°C
10
Reverse current IR (µA)
Reverse current IR (µA)
10
75°C
1
0.1
25°C
0.001
0
20
40
60
80
100
Reverse voltage VR (V)
2
VR = 75 V
1
15 V
0.1
0.01
0.01
120
0.001
−40
1
0.5
0.3
0
40
80
120
160
Ambient temperature Ta (°C)
0
10
20
30
40
Reverse voltage VR (V)
(°C)
Characteristics charts of MA2B170
10
2
0.1
0
Ambient temperature Ta
100
3
0.2
0.1
0.01
f = 1 MHz
Ta = 25°C
200
50