MB251D
25 Amp Single Phase
Bridge Rectifier
110 Volts
Features
• High Conductivity Metal Case
• Any Mounting Position
• Surge Rating Of 300 Amps
Maximum Ratings
• Operating Temperature: -55°C to +125°C
• Storage Temperature: -55°C to +150°C
MCC
Catalog
Number
Device
Marking Maximum
Recurrent
Peak Reverse
Voltage
Maximum
RMS
Voltage
Maximum
DC
Blocking
Voltage
MB251D MB251 110V 77V 110V
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current IF(AV) 25.0A TC = 55°C
Peak Forward Surge
Current IFSM 300A 8.3ms, half sine
Maximum Forward
Voltage Drop Per
Element VF 2.1V IFM = 12.5A per
element;
TJ = 25°C
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR 2µA
TJ = 25°C
*Pulse test: Pulse width 300 µsec, Duty cycle 1%
MCC
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A ----- 1.142 ----- 29.00
B ----- .453 ----- 11.50
C .425 .480 10.80 12.20
D .691 .732 17.54 18.60
G .188 ----- 4.77 -----
omponents
21201 Itasca Street Chatsworth
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J .543 .583 13.80 14.80
www.mccsemi.com
MB-35D
+
-
MB251D
Instantaneous Forward Current - Amperes versus
Instantaneous Forward Voltage - Volts
Figure 1
Typical Forward Characteristics
Volts
4
6
20
10
Amps
1.4
2.5
1.6 1.8 2.1
2.3
.01
.02
.04
.06
.1
.2
.4
.6
1
225°C
40
60
100
Figure 2
Typical Reverse Characteristics
Volts
.4
.6
2
1
µ
Amps
20
120
40 60 80 100
.001
.002
.00
4
.006
.01
.02
.04
.06
.1
.2
4
6
10
140
TJ=25°C
www.mccsemi.com
MCC
Instantaneous Reverse Leakage Current - MicroAmperes versus
Percent Of Rated Peak Reverse Voltage - Volts
Average Forward Rectified Current - Amperes versus
Case Temperature - °C
Figure 3
Forward Derating Curve
25 50 100 150 175
0
0
5
10
15
Single Phase, Half Wave
60Hz Resistive or Inductive Load
Amps
°C
75
20
25
30
1 100
4
0
50
100
150
8
Figure 4
Peak Forward Surge Current
Peak Forward Surge Current - Amperes versus
Number Of Cycles At 60Hz - Cycles
Amps
Cycles
2
6
10 20 60 80
40
00
200
250
300
