MBRF2545CTG
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2
MAXIMUM RATINGS (Per Leg)
Rating
Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
45 V
Average Rectified Forward Current
(Rated V
R
), T
C
= 125°C Total Device
I
F(AV)
12.5
25
A
Peak Repetitive Forward Current
(Rated V
R
, Square Wave, 20 kHz), T
C
= 125°C
I
FRM
25
A
Non−repetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz)
I
FSM
150
A
Peak Repetitive Reverse Surge Current (2.0 ms, 1.0 kHz)
I
RRM
1.0 A
Operating Junction and Storage Temperature (Note 1) T
J
, T
stg
− 65 to +175 °C
Voltage Rate of Change (Rated V
R
) dv/dt 10000
V/ms
RMS Isolation Voltage (t = 0.3 second, R.H. ≤ 30%, T
A
= 25°C) (Note 2) Per Figure 3 V
iso1
4500 V
THERMAL CHARACTERISTICS (Per Leg)
Maximum Thermal Resistance, Junction−to−Case
R
q
JC
3.5 °C/W
Maximum Lead Temperature for Soldering Purposes: 1/8″ from Case for 5 Seconds T
L
260 °C
ELECTRICAL CHARACTERISTICS (Per Leg)
Characteristic Symbol Max Unit
Maximum Instantaneous Forward Voltage (Note 3)
(i
F
= 12.5 A, T
C
= 25°C)
(i
F
= 12.5 A, T
C
= 125°C)
v
F
0.7
0.62
V
Maximum Instantaneous Reverse Current (Note 3)
(Rated DC Voltage, T
C
= 25°C)
(Rated DC Voltage, T
C
= 125°C)
i
R
0.2
40
mA
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
1. The heat generated must be less than the thermal conductivity from Junction−to−Ambient: dP
D
/dT
J
< 1/R
q
JA
.
2. Proper strike and creepage distance must be provided.
3. Pulse Test: Pulse Width = 300 ms, Duty Cycle ≤ 2.0%.
V
R
, REVERSE VOLTAGE (VOLTS)
I
R
, REVERSE CURRENT (mA)
0.001
10020304050
0.01
0.1
1.0
10
100
T
J
= 125°C
85°C
1005C
100
50
20
, INSTANTANEOUS FORWARD CURRENT (AMPS)
i
F
5.0
1.0
0.5
0.2
0.1
0
0.2 0.4 0.6 0.8 1.0
v
F
, INSTANTANEOUS VOLTAGE (VOLTS)
Figure 1. Typical Forward Voltage, Per Leg
0.7
70
7.0
100°C
T
J
= 125°C
2.0
10
25°C
25°C
Figure 2. Typical Reverse Current, Per Leg
