4700

SHD124622
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 4700, REV. B
HERMETIC POWER SCHOTTKY RECTIFIER
Very Low Forward Voltage
Applications:
 Switching Power Supply  Converters  Free-Wheeling Diodes  Polarity Protection Diode
Features:






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. Average Forward
Current
Max. Peak One Cycle NonRepetitive Surge Current
Max. Thermal Resistance
Max. Junction Temperature
Max. Storage Temperature
Symbol
VRWM
IF(AV)
IF(AV)
IFSM
RJC
TJ
Tstg
Condition
50% duty cycle, rectangular
wave form (Single/Doubler)
50% duty cycle, rectangular
wave form (Common Cathode,
Common Anode)
8.3 ms, half Sine wave
(per leg)
(per leg)
-
Max.
45
45
Units
V
A
70
A
200
A
0.62
-65 to +175
-65 to +175
C/W
C
C
Max.
0.79
Units
V
0.69
V
2.4
mA
90
mA
4800
pF
Electrical Characteristics:
Characteristics
Max. Forward Voltage Drop
Symbol
VF1
VF2
Max. Reverse Current
IR1
IR2
Max. Junction Capacitance
CT
Condition
@ 45A, Pulse, TJ = 25 C
(per leg)
@ 45A, Pulse, TJ = 125 C
(per leg)
@VR = 45V, Pulse,
TJ = 25 C (per leg)
@VR = 45V, Pulse,
TJ = 125 C (per leg)
@VR = 5V, TC = 25 C
fSIG = 1MHz,
VSIG = 50mV (p-p) (per leg)
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]
SHD124622
TECHNICAL DATA
DATA SHEET 4700, REV. B
Mechanical Dimensions: In Inches / mm
.165
.155
.695 (17.65
.685 17.40)
(4.19
Dia.
3.94)
SINGLE
COMMON CATHODE
.270 (6.86
.240 6.10)
.045 (1.14
.035 0.89)
1
.835 (21.21
.815 20.70)
.707 (17.96
.697 17.70)
1.302 (33.07
1.202 30.53)
1
2
2
3
1
COMMON ANODE
.550 (13.97
.530 13.46)
2
3
DOUBLER
3
1
.065 (1.65
.055 1.40)
3 Places
.200(5.08) BSC
2 Places
2
3
1
2
3
.140(3.56) BSC
TO-258
PINOUT TABLE
TYPE
PIN 1
PIN 2
SINGLE RECTIFIER
CATHODE
ANODE
DUAL RECTIFIER, COMMON CATHODE (P)
ANODE 1
COMMON CATHODE
DUAL RECTIFIER, COMMON ANODE (N)
CATHODE 1
COMMON ANODE
DUAL RECTIFIER, DOUBLER (D)
ANODE
CATHODE/ANODE
Note: The Vf curves shown are for the SD275SB45 un-packaged die only.
Typical Forward Characteristics
PIN 3
ANODE
ANODE 2
CATHODE 2
CATHODE
Typical Reverse Characteristics
Instantaneous Reverse Current - IR (mA)
103
102
150 °C
125 °C
101
100 °C
100
75 °C
10-1
50 °C
10-2
25 °C
125 °C
0
10
20
30
Reverse Voltage - V R (V)
40
50
Typical Junction Capacitance
25 °C
101
0.2
0.3
0.4
0.5
0.6
0.7
Forw ard Voltage Drop - V F (V)
0.8
Junction Capacitance - CT (pF)
Instantaneous Forward Current - IF (A)
175 °C
175 °C
102
5000
4000
3000
2000
1000
0
10
20
30
Reverse Voltage - V R (V)
40
50
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]
SHD124622
TECHNICAL DATA
DATA SHEET 4700, REV. B
DISCLAIMER:
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).
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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 .
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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.
4- In no event shall Sensitron Semiconductor be liable for any failure in a semiconductor device or any secondary damage resulting from use at
a value exceeding the absolute maximum rating.
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Semiconductor.
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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]