MURD320 Datasheet, PDF (2/4 Pages) Motorola, Inc – ULTRAFAST RECTIFIERS 3 AMPERES 200 VOLTS

MURD320, NRVUD320, SURD8320
THERMAL CHARACTERISTICS
Characteristics
Thermal Resistance − Junction−to−Case
Thermal Resistance − Junction−to−Ambient (Note 1)
1. Rating applies when surface mounted on the minimum pad sizes recommended.
Symbol
R_qJC
R_qJA
Value
6
80
Unit
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
Characteristics
Symbol
Value
Unit
Maximum Instantaneous Forward Voltage Drop (Note 2)
(i_F = 3 Amps, T_J = 25°C)
(i_F = 3 Amps, T_J = 125°C)
v_F
Volts
0.95
0.75
Maximum Instantaneous Reverse Current (Note 2)
(T_J = 25°C, Rated dc Voltage)
(T_J = 125°C, Rated dc Voltage)
i_R
mA
5
500
Maximum Reverse Recovery Time
(I_F = 1 Amp, di/dt = 50 Amps/ms, V_R = 30 V, T_J = 25°C)
(I_F = 0.5 Amp, i_R = 1 Amp, I_REC = 0.25 A, V_R = 30 V, T_J = 25°C)
t_rr
ns
35
25
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
2. Pulse Test: Pulse Width = 300 ms, Duty Cycle ≤ 2.0%.
100
80
40
T_J = 175°C
70
20
150°C
8.0
50
4.0
2.0
0.8
100°C
30
0.4
0.2
20
0.08
0.04
25°C
0.02
10
0.008
0.004
0.002
7.0
0 20 40 60 80 100 120 140 160 180 200
5.0
V_R, REVERSE VOLTAGE (VOLTS)
Figure 2. Typical Reverse Current*
3.0
175°C
T_J = 25°C
2.0
150°C
1.0
0.7
0.5
100°C
0.3
0.2
0.1
0
0.2
0.4
0.6 0.8
1.0 1.2 1.4
v_F, INSTANTANEOUS VOLTAGE (VOLTS)
Figure 1. Typical Forward Voltage
* The curves shown are typical for the highest voltage device in the
voltage grouping. Typical reverse current for lower voltage selections
can be estimated from these curves if V_R is sufficiently below rated
V_R.
14
13
12
11
10
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
0
10
I_PK/I_AV = 20
SINE WAVE
SQUARE WAVE
5.0
dc
T_J = 175°C
1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10
I_F(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 3. Average Power Dissipation
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