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Switching Diodes
MA2B170, MA2B171
Silicon epitaxial planar type
Unit : mm
For high-speed switching circuits I Features
* Large forward current IF(AV) * High switching speed * Small terminal capacitance, Ct
COLORED BAND INDICATES CATHODE
0.56 max. 1
24 min.
1st Band 2nd Band
I Absolute Maximum Ratings Ta = 25C
Parameter Reverse voltage (DC) Repetitive peak reverse voltage MA2B170 MA2B171 MA2B170 MA2B171 IF(AV) IFRM IFSM Tj Tstg VRRM Symbol VR Rating 40 80 40 80 200 600 1 200 -55 to +200 mA mA A C C V
2 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 Ta = 25C
Parameter Reverse current (DC) MA2B170 MA2B171 MA2B170 MA2B171 MA2B170 MA2B171 Forward voltage (DC) Terminal capacitance Reverse recovery time* VF Ct trr IR IR2 VR = 35 V VR = 75 V VR = 35 V, Ta = 150C VR = 75 V, Ta = 150C IF = 200 mA VR = 0 V, f = 1 MHz IF = 10 mA, VR = 1 V Irr = 0.1 * IR, RL = 100 2. * : trr measuring circuit
Bias Application Unit N-50BU tr 10% Input Pulse tp t IF trr t Irr = 0.1 * IR IF = 10 mA VR = 1 V RL = 100 Output Pulse
Symbol IR1 VR = 15 V
Conditions
Min
Typ
Max 50
4.5 max.
Unit nA
500 500 100 100 1.1 4 20
nA A 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
VR Pulse Generator (PG-10N) Rs = 50 W.F.Analyzer (SAS-8130) Ri = 50
90% tp = 2 s tr = 0.35 ns = 0.05
1
MA2B170, MA2B171
Common characteristics charts IF V F
1 000
0.8 0.7
Switching Diodes
VF Ta
10 5
Ct VR
f = 1 MHz Ta = 25C
100
0.6 0.5 0.4 0.3 0.2 0.1
Terminal capacitance Ct (pF)
Forward current IF (mA)
Forward voltage VF (V)
Ta = 150C 10 75C 25C 1
IF = 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 VF (V)
Ambient temperature Ta
(C)
Reverse voltage VR (V)
Characteristics charts of MA2B170 IR V R
100 Ta = 150C 10
10 100
IR T a
Reverse current IR (A)
Reverse current IR (A)
1 75C 0.1
1
VR = 35 V
15 V
0.1
0.01
25C
0.01
0.001
0
10
20
30
40
50
60
0.001 -40
0
40
80
120
160
200
Reverse voltage VR (V)
Ambient temperature Ta (C)
Characteristics charts of MA2B171 IR V R
100 Ta = 150C 10
10 100
IR T a
Reverse current IR (A)
Reverse current IR (A)
1
75C
1
VR = 75 V
15 V
0.1
25C
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 VR (V)
Ambient temperature Ta (C)
2

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