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SB2020CT-SB20100CT
20A Dual Schottky Barrier Rectifier
Features
! Schottky Barrier Chip
! Guard Ring for Transient Protection
! Low Forward Voltage Drop
! Low Reverse Leakage Current
! High Surge Current Capability
! Plastic Material has UL Flammability
Classification 94V-O
Mechanical Data
! Case: TO-220AB, Molded Plastic
! Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
! Polarity: See Diagram
! Weight: 2.24 grams (approx.)
! Mounting Position: Any
! Mounting Torque: 11.5 cm-kg (10 in-lbs) Max.
! Lead Free: For RoHS / Lead Free Version,
TO-220AB
10.2± 0.2
? 3.8± 0.15
4.5± 0.2
1.4± 0.2
PIN
1 23
2.6± 0.2
0.9± 0.1
2.5± 0.1
PIN 1
PIN 3
0.5± 0.1
CASE
PIN 2
Dimensions in millimeters
Maximum Ratings and Electrical Characteristics @TA=25°C unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Symbol SB SB SB SB SB SB SB SB Unit
2020CT 2030CT 2040CT 2045CT 2050CT 2060CT 2080CT 20100CT
VRRM
VRWM
VR
20 30 40 45 50 60 80 100 V
VR(RMS) 14 21 28 32 35 42 56 70
V
Average Rectified Output Current @TC = 95°C
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed
on rated load (JEDEC Method)
Forward Voltage
@IF = 10A
Peak Reverse Current
@TA = 25°C
At Rated DC Blocking Voltage @TA = 100°C
Typical Junction Capacitance (Note 1)
Operating and Storage Temperature Range
IO
IFSM
VFM
IRM
Cj
Tj, TSTG
0.55
20
200
0.75
0.5
100
1100
-65 to +150
0.85
A
A
V
mA
pF
°C
Note: 1. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C.
http://www.luguang.cn
mail:lge@luguang.cn

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SB2020CT-SB20100CT
20A Dual Schottky Barrier Rectifier
20
16
12
8
4
Single Pulse Half-Wave
60 Hz Resistive or Inductive Load
0
10 40 60 80
100
120
140150
TC, CASE TEMPERATURE (ºC)
Fig. 1 Forward Current Derating Curve
40
2020CT - 2045CT
20
2050CT - 2060CT
2080CT - 20100CT
10
Tj = 25ºC
Pulse Width = 300 µs
2% Duty Cycle
1
0 0.5 1.0 1.5 2.0 2.5
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
250
200
2000
Tj = 25ºC
f = 1MHz
150
1000
100
50
8.3ms Single Half Sine-Wave
JEDEC Method
0
1 10 100
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Maximum Non-Repetitive Peak Fwd Surge Current
100
0.1
1.0
10
VR, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
100
http://www.luguang.cn
mail:lge@luguang.cn