MCC
Micro Commercial Components
TM
omponents
20736 Marilla Street Chatsworth
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RA251GP
THRU
RA257GP
25.0 Amp
Glass passivated
Rectifier
50 to 1000 Volts
Features
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Plastic Material Used Carriers Underwrites Laboratory
Classification 94V-O
Low Cost Construction Utilizing Void-free Molded Plastic
Technique
High Surge Capability
Diffused Junction, Glass Passivated Chip
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l
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Maximum Ratings
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Operating & Storage Temperature: -50 C to +175 C
For Capacitive Load, Derate Current by 20%
Maximum
Recurrent
Peak
Reverse
Voltage
50V
100V
200V
400V
600V
800V
1000V
o
o
RA
A
MCC Part
Number
RA251GP
RA252GP
RA253GP
RA254GP
RA255GP
RA256GP
RA257GP
Maximum
RMS Voltage
35V
70V
140V
280V
420V
560V
700V
Maximum
DC
Blocking
Voltage
50V
100V
200V
400V
600V
800V
1000V
D
E
C
Electrical Characteristics @ 25
o
C Unless Otherwise Specified
Average Forward
Current
Peak Forward Surge
Current
Maximum
Instantaneous
Forward Voltage
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
Typical Reverse
Recovery Times
Typical Junction
Capacitance
I
F(AV)
I
FSM
V
F
25.0A
400A
T
C
=150
o
C
8.3ms half
sine
I
FM
=25.0A
T
A
=25 C
o
B
1.1V
I
R
5.0uA
T
C
=25
o
C
I
F
=0.5A,
I
R
=1.0A,
I
rr
=0.25A
Measured at
1.0MHz,
V
R
=4.0V
t
rr
3.0us
DIMENSION
DIM INCHES
MM
NOTE
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 -----
5
o
-----
5
o
NOM
C
j
300pF
www.mccsemi.com
Revision: 4
2004/04/02
MCC
RA251GP thru RA257GP
Micro Commercial Components
TM
RATINGS AND CHARACTERISTIC CURVES
50
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
HALF SINE WAVE 60Hz
RESISTIVE OR
INDUCTIVE LOAD
PEAK FORWARD SURGE CURRENT. (A)
600
400
300
FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
8.3ms Single Half Sine Wave
JEDEC Method
AVERAGE FORWARD CURRENT. (A)
40
30
200
Tj=150
0
C
Tj=25
0
C
20
cycle
100
80
60
1
10
NUMBER OF CYCLES AT 60Hz
10
0
125
135
145
155
o
165
175
100
CASE TEMPERATURE. ( C)
FIG.3- TYPICAL FORWARD CHARACTERISTICS
1000
FIG.4- TYPICAL REVERSE CHARACTERISTICS
100
60
40
INSTANTANEOUS FORWARD CURRENT. (A)
100
INSTANTANEOUS REVERSE CURRENT. ( A)
20
10
6
4
2
1
0.6
0.4
0.2
Tj=25
0
C
10
1.0
Tj=25 C
PULSE WIDTH-300 S
2% DUTY CYCLE
0
0.1
0.6
1.0
1.4
1.8
2.2
2.6
0.1
FORWARD VOLTAGE. (V)
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
FIG.5- TYPICAL JUNCTION CAPACITANCE
1000
JUNCTION CAPACITANCE.(pF)
500
Tj=25
0
C
100
f=1.0MHz
Vsig=50mVp-p
50
1
2
5
10
20
50
100
REVERSE VOLTAGE. (V)
www.mccsemi.com
Revision: 4
2004/04/02
传感器
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