U20C15 (Mospec Semiconductor)
Switchmode Dual Ultrafast Power Rectifiers

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MOSPEC
U20C05 Thru U20C20
Switchmode
Dual Ultrafast Power Rectifiers
…Designed for use in switching power supplies. inverters and as free
wheeling diodes. These state-of-the-art devices have the following
features:
High Surge Capacity
Low Power Loss, High efficiency
Glass Passivated chip junctions
175Operating Junction Temperature
Low Stored Charge Majority Carrier Conduction
Low Forward Voltage , High Current Capability
High-Switching Speed 35 Nanosecond Recovery Time
Plastic Material used Carries Underwriters Laboratory
Mechanical Data
Case :JEDEC ITO-220AB molded plastic body
Terminals: Plated lead, solderable per MIL-STD-750, Method 2026
Polarity: As marked
Mounting Torque: 4-6kg.cm
Weight:1.7 g approx.
In compliance with EU RoHs 2002/95/EC directives
MAXIMUM RATINGS
Characteristic
Symbol
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectifier Forward Current
Total Device (Rated VR),TC=125
Peak Repetitive Forward Current
(Rate VR, Square Wave, 20kHz, TC=125)
Non-Repetitive Peak Surge Current
(Surge applied at rate load conditions
half-wave, single phase, 60Hz)
Operating and Storage Junction
Temperature Range
VRRM
VRWM
VR
VR(RMS)
IF(AV)
IFM
IFSM
TJ , Tstg
05
50
35
U20C
10 15
100 150
70 105
10
20
20
200
-65 to +175
ELECTRIAL CHARACTERISTICS
Characteristic
Symbol
Maximum Instantaneous Forward Voltage
( IF =10 Amp TC = 25)
( IF =10 Amp TC = 125)
Maximum Instantaneous Reverse Current
( Rated DC Voltage, TC = 25)
( Rated DC Voltage, TC = 125)
Reverse Recovery Time
( IF = 0.5 A, IR =1.0 , Irr =0.25 A )
Typical Thermal Resistance junction to
case
Typical Junction Capacitance
(Reverse Voltage of 4 volts & f=1 MHz)
VF
IR
Trr
Rθ j-c
CP
05
U20C
10 15
0.975
0.860
10.0
300
35
3.4
140
Unit
20
200 V
140 V
A
A
A
Unit
20
V
uA
ns
/w
PF
ULTRA FAST
RECTIFIERS
20 AMPERES
50-200 VOLTS
TO-220AB
DIM
MILLIMETERS
MIN MAX
A 14.68 15.32
B 9.78 10.42
C 6.02 6.52
D 13.06 14.62
E 3.57 4.07
F 2.42 2.66
G 1.12 1.36
H 0.72 0.96
I 4.22 4.98
J 1.14 1.38
K 2.20 2.98
L 0.33 0.55
M 2.48 2.98
O 3.70 3.90


U20C15 (Mospec Semiconductor)
Switchmode Dual Ultrafast Power Rectifiers

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U20C05 Thru U20C20
FIG-1 TYPICAL FORWARD CHARACTERISITICS
FIG-3 FORWARD CURRENT DERATING CURVE
FORWARD VOLTAGE (Volts)
FIG-2 TYPICAL REVERSE CHARACTERISTICS
PERCENT OF PEAK REVERSE VOLTAGE ()
LEAD TEMPERATURE ()
FIG-4TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE (Volts.)
FIG-5PEAK FORWARD SURGE CURRENT
NUMBER OF CYCLES AT 60 Hz
Set time base for 10/20 ns/cm
FIG-6 Reverse Recovery Time Characteristic and Test Circuit Diagram
5M-B




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