PANASONIC MA7D49

Schottky Barrier Diodes (SBD)
MA3D749, MA3D749A
Silicon epitaxial planar type (cathode common)
Unit : mm
For switching power supply
φ 3.2 ± 0.1
1.4 ± 0.2
0.8 ± 0.1
1
Repetitive peak
reverse voltage
MA3D749
Rating
Unit
VRRM
40
V
MA3D749A
2
IF(AV)
5
A
Non-repetitive peak forward
surge current*
IFSM
90
A
Junction temperature
Tj
−40 to +125
°C
Storage temperature
Tstg
−40 to +125
°C
0.55 ± 0.15
2.54 ± 0.3
3 5.08 ± 0.5
45
Average forward current
2.6 ± 0.1
1.6 ± 0.2
■ Absolute Maximum Ratings Ta = 25°C
Symbol
2.9 ± 0.2
3.0 ± 0.5
15.0 ± 0.5
• Low forward rise voltage VF
• TO-220D (Full-pack package) with high dielectric breakdown
voltage > 5.0 kV
• Easy-to-mount, caused by its V cut lead end
13.7 ± 0.2
4.2 ± 0.2
■ Features
Parameter
4.6 ± 0.2
9.9 ± 0.3
1 : Anode
2 : Cathode
3 : Anode
TO-220D Package
Internal Connection
Note) * : Half sine-wave; 10 ms/cycle
1
2
3
■ Electrical Characteristics Ta = 25°C
Parameter
Reverse current (DC)
Symbol
MA3D749
IR
MA3D749A
Forward voltage (DC)
Thermal resistance
VF
Rth(j-c)
Conditions
Max
Unit
VR = 40 V, TC = 25°C
1
mA
VR = 45 V, TC = 25°C
1
IF = 2.5 A, TC = 25°C
0.55
V
3
°C/W
Direct current (between junction and case)
Min
Typ
Note) Rated input/output frequency: 200 MHz
1
MA3D749, MA3D749A
Schottky Barrier Diodes (SBD)
IF  V F
75°C 25°C
Ta = 125°C
104
Forward voltage VF (V)
Forward current IF (A)
105
0.7
−20°C
1
IR  VR
VF  Ta
0.8
10−1
10−2
10−3
Reverse current IR (µA)
10
0.6
IF = 5 A
0.5
0.4
2.5 A
0.3
1A
0.2
Ta = 125°C
103
75°C
102
25°C
10
0.1
0
0.2
0.4
0.6
0.8
1.0
0
−40
1.2
Forward voltage VF (V)
1
0
40
80
120
IR  T a
Terminal capacitance Ct (pF)
VR = 45 V
20 V
10 V
103
102
10
40
80
120
160
200
500
400
300
200
Ambient temperature Ta (°C)
IF(AV)  TC
Average forward current IF(AV) (A)
8
7
t0
t1
6
t0 / t1 = 1/2
5
1/3
DC
4
1/6
3
2
1
0
20
40
60
80
100
120
Case temperature TC (°C)
2
140
20
30
40
50
7
60
40
50
Reverse voltage VR
(V)
60
t0
t1
6
5
t0 / t1 = 1/6
4
1/3
1/2
3
DC
2
1
0
10
30
PD(AV)  IF(AV)
f = 1 MHz
Ta = 25°C
0
20
8
600
0
0
10
Reverse voltage VR (V)
100
1
−40
0
Ct  VR
800
700
Reverse current IR (µA)
200
Ambient temperature Ta (°C)
105
104
160
Average forward power PD(AV) (W)
10−4
0
1
2
3
4
5
6
Average forward current IF(AV) (A)