This product complies with the RoHS Directive (EU 2002/95/EC).
50 Ω 50 Ω
5.5 Ω
D.U.T.
I
F
I
R
0.25 × I
R
t
rr
Fast Recovery Diodes (FRD)
MA2DF31
Silicon mesa type
For high frequency rectification
Features
Super high speed switching characteristic: trr = 20 ns (typ.)
Low noise type
Package
Code
TO-220D-B1
Pin Name
Absolute Maximum Ratings Ta = 25°C
Parameter Symbol Rating Unit
Repetitive peak reverse voltage V
Non-repetitive peak reverse surge voltage V
1
Forward current (Average)
*
Non-repetitive peak forward surge current
Junction temperature T
Storage temperature T
Note) *1: TC = 25°C
2: 50 Hz sine wave 1 cycle (Non-repetitive peak current)
*
RRM
RSM
I
F(AV)
2
*
I
FSM
j
stg
300 V
300 V
5 A
30 A
+150
-40 to +150
°C
°C
1: Cathode
2: Anode
Marking Symbol: MA2DF31
Electrical Characteristics Ta = 25°C±3°C
Parameter Symbol Conditions Min Typ Max Unit
Forward voltage V
Reverse current I
Reverse recovery time
*
Thermal resistance (j-c) R
Thermal resistance (j-a) R
Note) 1. Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7031 measuring methods for diodes.
2. This product is sensitive to electric shock (static electricity, etc.). Due attention must be paid on the charge of a human body and the leakage of
current from the operating equipment.
3. *: trr measurement circuit
RRM
t
rr
th(j-c)
th(j-a)
IF = 5 A 1.0 1.3 V
F
V
= 300 V 20
RRM
IF = 0.5 A, IR = 1.0 A
Irr = 0.25 A
20 30 ns
3.0
63
mA
°C/W
°C/W
Publication date: December 2008 SKJ00023AED 1
This product complies with the RoHS Directive (EU 2002/95/EC).
0 1.00.5 2.01.5
10
2
10
1
10
−1
10
−2
10
−3
MA2DF31_ IF-V
F
Forward current I
F
(A)
Forward voltage VF (V)
Ta = 150°C
25°C
0
100
300200
400
10
−4
10
−3
10
−2
10
−5
10
−6
10
−7
10
−8
10
−9
MA2DF31_ IR-V
R
Reverse current I
R
(A)
Reverse voltage VR (V)
25°C
Ta = 150°C
0
10
3020
40
120
160
200
80
40
0
MA2DF31_ Ct-V
R
Terminal capacitance C
t
(pF)
Reverse voltage VR (V)
Ta = 25°C
0
200
400
600
0 100
400300
200
Reverse voltage VR
(V)
Reverse power dissipation (Average) P
R(AV)
(m
W
)
DC
0.9
0.8
0.5
MA2DF31_ P
R(AV)-VR
t
p
T
I
F
0
2
4
6
0 2
86
4
Forward current (Average) I
F(AV)
(A)
Forward power dissipation (Average) P
F(AV)
(W)
DC
0.5
0.2
0.1
0.05
MA2DF31_ P
F(AV)-IF(AV)
t
p
T
I
F
0
2
4
6
0 50
150
100
Case temperature TC
(°C)
Forward current (Average) I
F(AV)
(A)
tp / T
DC
0.5
0.2
0.1
0.05
MA2DF31_ I
F(AV)-TC
Tj = 150
°C
VR = 300 V
t
p
T
I
MA2DF31
IF VF IR VR Ct V
P
R(AV)
V
P
R
F(AV)
I
F(AV)
I
F(AV)
T
R
C
2 SKJ00023AED