1N4942
THRU
1N4948
1 Amp Fast Recovery
Rectifier
200 to 1000 Volts
DO-41
Features
• Low Leakage Current
• Metalurgically Bonded Construction
• Low Cost
• Fast Switching For High Efficiency
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .166 .205 4.10 5.20
B .080 .107 2.00 2.70
C .028 .034 .70 .90
D 1.000 --- 25.40 ---
Maximum Ratings
• Operating Temperature: -55°C to +150°C
• Storage Temperature: -55°C to +150°C
• Maximum Thermal Resistance; 50°C/W Junction To Ambient
Microsemi
Catalog
Number
Device
Marking
Maximum
Recurrent
Peak
Reverse
Voltage
Maximum
RMS
Voltage
Maximum
DC
Blocking
Voltage
1N4942 --- 200V 140V 200V
1N4944 --- 400V 280V 400V
1N4946 --- 600V 420V 600V
1N4947 --- 800V 560V 800V
1N4948 --- 1000V 700V 1000V
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current
I
F(AV)
1.0A T
A
=55°C
Peak Forward Surge
Current
I
FSM
25A 8.3ms, half sine
Maximum
Instantaneous
Forward Voltage
V
F
1.3V I
FM
= 1.0A;
T
A
= 25°C*
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
I
R 5.0µA
500µA
T
J
= 25°C
T
J
= 175°C
Maximum Reverse
Recovery Time
1N4942-4944
1N4946-4947
1N4948
T
rr
150ns
250ns
500ns
I
F
=0.5A,
I
R
=1.0A,
I
rr
=0.25A
Typical Junction
Capacitance
C
J
15pF Measured at
1.0MHz,
V
R
=4.0V
*Pulse test: Pulse width 300 µsec, Duty cycle 2%
A
B
C
D
D
Cathode
Mark
www.mccsemi.com
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