4785

SENSITRON
SEMICONDUCTOR
SHD126422
TECHNICAL DATA
DATA SHEET 4785, REV. B
SILICON SCHOTTKY RECTIFIER
Ultra Low Reverse Leakage
175C Operating Temperature
Applications:
 Switching Power Supply  Converters  Free-Wheeling Diodes  Polarity Protection Diode
Features:







Ultra low Reverse Leakage Current
Soft Reverse Recovery at Low and High Temperature
Very Low Forward Voltage Drop
Low Power Loss, High Efficiency
High Surge Capacity
Guard Ring for Enhanced Durability and Long Term Reliability
Guaranteed Reverse Avalanche Characteristics
Maximum Ratings:
Characteristics
Peak Inverse Voltage
Max. Average Forward
Current
Max. Peak One Cycle NonRepetitive Surge Current
Max. Junction Temperature
Max. Storage Temperature
Thermal Resistance (per leg)
Symbol
VRWM
IF(AV)
IFSM
TJ
Tstg
RJC
Condition
50% duty cycle, rectangular
wave form
8.3 ms, half Sine wave
-
Max.
45
16
Units
V
A
75
A
-65 to +175
-65 to +175
1.5
C
C
C/W
Max.
0.64
0.54
0.8
Units
V
V
mA
30
mA
1600
pF
Electrical Characteristics:
Characteristics
Max. Forward Voltage Drop
Max. Reverse Current
Symbol
VF1
VF2
IR1
IR2
Max. Junction Capacitance
CT
Condition
@ 16A, Pulse, TJ = 25 C
@ 16A, Pulse, TJ = 125 C
@VR = 45V, Pulse,
TJ = 25 C
@VR = 45V, Pulse,
TJ = 125 C
@VR = 5V, TC = 25 C
fSIG = 1MHz,
VSIG = 50mV (p-p)
2004 Sensitron Semiconductor  221 West Industry Court  Deer Park, NY 11729-4681
PHONE (631) 586-7600  FAX (631) 242-9798  www.sensitron.com  [email protected]
SHD126422
TECHNICAL DATA
DATA SHEET 4785, REV. B
Mechanical Dimensions: In Inches / mm
.150 (3.81
Dia.
.140 3.56)
.200 (5.08
.190 4.82)
.420 (10.67
.410 10.41)
.665 (16.89
.645 16.38)
.537 (13.64
.527 13.39)
1.132 (28.75
1.032 26.21)
1
2
.045 (1.14
.035 0.89)
.430 (10.92
.410 10.41)
3
.035 (0.89
.025 0.63)
3 Places
.100(2.54) BSC
2 Places
.120(3.05) BSC
TO-257
DEVICE TYPE
SINGLE RECTIFIER
PIN 1
CATHODE
PIN 2
ANODE
PIN 3
ANODE
Typical Forward Characteristics
Typical Reverse Characteristics
103
102
Instantaneous Reverse Current - I R (mA)
175 °C
125 °C
150 °C
125 °C
101
100 °C
100
75 °C
50 °C
10-1
25 °C
10-2
10-3
101
0
0.2
0.3
0.4
0.5
0.6
0.7
Forw ard Voltage Drop - V F (V)
10
20
30
40
Reverse Voltage - V R (V)
50
Typical Junction Capacitance
25 °C
0.8
Junction Capacitance - CT (pF)
Instantaneous Forward Current - IF (A)
175 °C
102
1600
1400
1200
1000
800
600
400
200
0
10
20
30
40
Reverse Voltage - V R (V)
2004 Sensitron Semiconductor  221 West Industry Court  Deer Park, NY 11729-4681
PHONE (631) 586-7600  FAX (631) 242-9798  www.sensitron.com  [email protected]
50
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