©2004 Sensitron Semiconductor • 221 West Industry Court Deer Park, NY 11729-4681
(631) 586-7600 FAX (631) 242-9798 • www.sensitron.com • sales@sensitron.com
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 4544, REV. B
SILICON SCHOTTKY RECTIFIER- Common Cathode
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 Symbol Condition Max. Units
Peak Inverse Voltage V
RWM
- 45 V
Max. Average Forward
Current
I
F(AV)
50% duty cycle, rectangular
wave form
8 A
Max. Peak One Cycle Non-
Repetitive Surge Current
I
FSM
8.3 ms, half Sine wave 100 A
Max. Junction Temperature T
J
- -65 to +175
°C
Max. Storage Temperature T
stg
- -65 to +175
°C
Thermal Resistance
R
θJC
- 2.5
°C/W
Electrical Characteristics:
Characteristics Symbol Condition Max. Units
Max. Forward Voltage Drop V
F1
@ 10A, Pulse, T
J
= 25 °C
0.85 V
V
F2
@ 10A, Pulse, T
J
= 125 °C
0.70 V
Max. Reverse Current I
R1
@V
R
= 45V, Pulse,
T
J
= 25 °C
1 mA
I
R2
@V
R
= 45V, Pulse,
T
J
= 125 °C
15 mA
Max. Junction Capacitance C
T
@V
R
= 5V, T
C
= 25 °C
f
SIG
= 1MHz,
V
SIG
= 50mV (p-p)
500 pF
OM4201ST
©2004 Sensitron Semiconductor • 221 West Industry Court Deer Park, NY 11729-4681
(631) 586-7600 FAX (631) 242-9798 • www.sensitron.com • sales@sensitron.com
SENSITRON
TECHNICAL DATA
DATA SHEET 4544, REV. B
Mechanical Dimensions: In Inches / mm
123
.200
.190
(5.08
4.82)
.045
.035
(1.14
0.89)
.120(3.05) BSC
.430
.410
(10.92
10.41)
.420
.410
(10.67
10.41)
.665
.645
(16.89
16.38)
.537
.527
(13.64
13.39)
1.132
1.032
(28.75
26.21)
.035
.025
(0.89
0.63)
3 Places
.100(2.54) BSC
2 Places
.150
.140
(3.81
3.56)
Dia.
TO-257
DEVICE TYPE PIN 1 PIN 2 PIN 3
DUAL RECTIFIER
(Common Cathode)
ANODE CATHODE ANODE
OM4201ST
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1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product
characteristics. Before ordering, purchasers are advised to contact the Sensitron Semiconductor sales department for the latest version of the
datasheet(s).
2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment, medical
equipment , and safety equipment) , safety should be ensured by using semiconductor devices that feature assured safety or by means of users’
fail-safe precautions or other arrangement .
3- In no event shall Sensitron Semiconductor be liable for any damages that may result from an accident or any other cause during operation of
the user’s units according to the datasheet(s). Sensitron Semiconductor assumes no responsibility for any intellectual property claims or any
other problems that may result from applications of information, products or circuits described in the datasheets.
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a value exceeding the absolute maximum rating.
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