MCC
TM
Micro Commercial Components
RA251
THRU
RA257
omponents
20736 Marilla Street Chatsworth
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Features
l
Lead Free Finish/RoHS Compliant(Note 1) ("P" Suffix designates
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RoHS Compliant. See ordering information)
Plastic Material Used Carriers Underwrites Laboratory
Flammability Classification 94V- 0 and MSL Rating 1
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Low Cost Construction Utilizing Void-free Molded Plastic
25 Amp Standard
Rectifier
50 to 1000 Volts
Technique
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High Surge Capability
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Diffused Junction
Maximum Ratings
RA
o
o
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Operating & Storage Temperature: -50 C to +150 C
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For Capacitive Load, Derate Current by 20%
Maximum
Recurrent
MCC Part
Maximum
Peak
Number
RMS Voltage
Reverse
Voltage
50V
35V
RA251
RA252
100V
70V
RA253
200V
140V
RA254
400V
280V
RA255
600V
420V
A
Maximum
DC
Blocking
Voltage
50V
100V
200V
400V
600V
RA256
800V
560V
800V
RA257
1000V
700V
1000V
E
C
Electrical Characteristics @ 25oC Unless Otherwise Specified
Average Forward
Current
Peak Forward Surge
Current
D
B
o
IF(AV)
25.0A
T C =125 C
IFSM
400A
8.3ms half
sine
Maximum
Instantaneous
Forward Voltage
VF
1.1V
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR
5.0uA
DIMENSION
DIM INCHES
NOTE
MM
MIN MAX MIN MAX
A .380 .410 9.70 10.40
B .165 .185 4.19 4.70
C .215 .225 5.50 5.70
D .235 .250 6.00 6.40
E ----5o
----5o NOM
IFM =25.0A
o
TA =25 C
T C =25 o C
Typical Reverse
Recovery Times
t rr
3.0us
IF =0.5A,
IR =1.0A,
Irr=0.25A
Typical Junction
Capacitance
Cj
300pF
Measured at
1.0MHz,
V R=4.0V
Notes: 1. High Temperature Solder Exemption Applied, see EU Directive Annex Notes 7.
Revision: 5
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1 of 3
2008/06/24
MCC
RA251 thru RA257
TM
Micro Commercial Components
RATINGSAND CHARACTERISTICCU RVES
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
600
HALF SINE WAVE 60Hz
RESISTIVE OR
INDUCTIVE LOAD
40
30
20
10
PEAK FORWARD SURGE CURRENT. (A)
AVERAGE FORWARD CURRENT. (A)
50
0
50
0
100
75
125
Tj=25 0C
Tj=150 0C
200
cycle
100
80
60
150
8.3ms Single Half Sine Wave
JEDEC Method
400
300
1
10
o
CASE TEMPERATURE. ( C)
100
NUMBER OF CYCLES AT 60Hz
FIG.3- TYPICAL FORWARD CHARACTERISTICS
FIG.4- TYPICAL REVERSE CHARACTERISTICS
1000
100
60
INSTANTANEOUS REVERSE CURRENT. ( A)
INSTANTANEOUS FORWARD CURRENT. (A)
40
100
10
1.0
20
10
6
4
2
1
0.6
0.4
Tj=25 0C
0
Tj=25 C
PULSE WIDTH-300 S
2% DUTY CYCLE
0.2
0.1
0.6
1.0
1.4
1.8
2.2
0.1
2.6
FORWARD VOLTAGE. (V)
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
FIG.5- TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE.(pF)
1000
500
Tj=25 0C
100
f=1.0MHz
Vsig=50mVp-p
50
1
2
5
10
20
50
100
REVERSE VOLTAGE. (V)
Revision: 5
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2 of 3
2008/06/24
MCC
TM
Micro Commercial Components
Ordering Information
Device
Packing
(Part Number)-BP
Bulk;1Kpcs/Box
***IMPORTANT NOTICE***
Micro Commercial Components Corp . reserves the right to make changes without further notice to any
product herein to make corrections, modifications , enhancements , improvements , or other changes .
Micro Commercial Components Corp . does not assume any liability arising out of the application or
use of any product described herein; neither does it convey any license under its patent rights ,nor
the rights of others . The user of products in such applications shall assume all risks of such use
and will agree to hold Micro Commercial Components Corp . and all the companies whose
products are represented on our website, harmless against all damages.
***APPLICATIONS DISCLAIMER***
Products offer by Micro Commercial Components Corp . are not intended for use in Medical,
Aerospace or Military Applications.
Revision: 5
www.mccsemi.com
3 of 3
2008/06/24
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