Features TO-220AC
● Low power loss, high efficiency
● High current capability, low V
F
RoHS
● High surge capacity
COMPLIANT
●Meet UL flammability classification 94V-0
Mechanical Data
● Case: TO-220AC molded plastic
● Polarity:As marked on body
● Mounting position: Any
Note: Products with logo or
are made by HY Electronic (Cayman) Limited.
Applications
● For use in solar cell junction box as a bypass diode
Maximum Ratings and Electrical Characteristics
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristics
Symbol
Unit
Maximum Repetitive Peak Reverse Voltage VRRM V
Maximum RMS Voltage
VRMS V
Maximum DC Blocking Voltage
VDC V
Maximum Average Forward Rectified Current @Tc=95 ℃
I(AV) A
Peak Forward Surge Current, 8.3mS Single Half Sine-Wave,
Superimposed on Rated Load (JEDEC Method)
Peak Forward Voltage at 20A DC (Note1)
VF V
Maximum DC Reverse Current @TJ=25℃
at Rated DC Bolcking Voltage @TJ=125℃
Typical Thermal Resistance Junction to Case (Without Heatsink)
RθJC
℃/W
Junction Temperature Range
TJ
℃
Storage Temperature Range
TSTG
℃
Notes: 1. 300uS pulse width, 2%duty cycle.
2. The typical data above is for reference only .
SD20*-U-00-00
Rev. 11, 18-May-2020
-55 to+200
IFSM
IR
Pb
A
mA
400
0.6
0.5
50
1.5
-55 to+200
28
31.5
40
45
20
Package Outline Dimensions in Inches (Millimeters)
SD2040
SD2045
40
45
www.hygroup.com.tw
SD2040 THRU SD2045
Reverse Voltage - 40 to 45Volts
Forward Current - 20.0 Amperes
Photovoltaic Solar Cell Protection
Schottky Diode
Rating and Characteristic Curves
SD2040 THRU SD2045
The curve above is for reference only.
SD20*-U-00-00
Rev. 11, 18-May-2020
0
5
10
15
20
25
0 50 100 150 200
Fig. 1 - Forward Current Derating Curve
Average Forward Current (A)
Case Temperature (℃)
0
50
100
150
200
250
300
350
400
450
1 10 100
Peak Forward Surge Current (A)
8.3mS Single Half-Sine-Wave
(JEDEC METOD)
Fig. 2 - Maximum Non-Repetitive Surge Current
Number of Cycles at 60Hz
0.1
1
10
0 0.2 0.4 0.6 0.8 1
TJ=25°C
TJ=75
°
C
TJ=100
°
C
TJ=125
°
C
Pulse Width 300uS
2%Duty Cycle
Fig. 4 - Typical Forward Characteristics
Instantaneous Forward Current (A)
Instantaneous Forward Voltage (V)
Instantaneous Reverse Current (mA)
Fig. 3 - Typical Reverse Characteristics
0.01
0.1
1
10
100
20 40 60 80 100
T
J
=25°C
T
J
=75°C
T
J
=100°C
TJ=125°C
Percent of Rated Peak Reverse Voltage (%)
20