Document
SB2020 thru SB20100
Schottky Barrier Rectifiers
Reverse Voltage 35 to 100V Forward Current 20A
Feature & Dimensions
* Plastic package has underwriters laboratory
Flammability classification 94V-0
* Low power loss,high efficiency
* For use in low voltage high frequency inverters,
free wheeling,and polarity protection applications
* Guarding for over voltage protection
* High temperature soldering guaranteed: 260°C/10 seconds at terminals
Mechanical Data
Case : JEDEC R-6, molded plastic over sky die
Terminals : Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity : Color band denotes cathode end
We declare that the material of product compliance
Weight : 0.042oz., 1.19 g
with ROHS requirements
Mounting position : Any
Handling precautin : None
1.Maximum & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter symbol
Symbol SB2035 SB2045 SB2050 SB2060 SB2080 SB20100 Unit
Device marking code
SB2035 SB2045 SB2050 SB2060 SB2080 SB20100
Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage
VRRM VRMS VDC
35 45 50 60 80 100 35 45 50 60 80 100 35 45 50 60 80 100
V V V
Maximum average forward rectified current 0.375" (9.5mm) lead length (See fig. 1)
IF(AV)
20.0
A
Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method)
IFSM1
Thermal resistance, junction to ambient
RθJA
Operating junction and storage temperature range
TJ, TSTG
230
40 –40 to +150
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter symbol
Symbol SB2035 SB2045 SB2050 SB2060 SB2080 SB20100
Maximum instantaneous forward voltage at 20.0A
VF
0.55
0.60 0.70
0.90
Maximum DC reverse current TC = 25°C
Ir
200
Maximum DC reverse current TC = 100°C
Ir
1000
Typical junction capacitance at 4.0V, 1MHz
CJ
500 380
Notes: 1. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
A °C/W
°C
Unit V uA uA PF
Average Forward Rectified Current (A)
Average Forward Rectified Current (A)
SB2020 thru SB20100
2. Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 1 – Forward Current Derating Curve
Fig. 2 – Maximum Non-repetitive Peak Forward Surge Current
250
Single phase
TJ = TJ max
half wave 60HZ
8.3ms Single Half Sine-wave
20
Resistive or
200 (JEDEC Method)
Inductive Load
0.375" (9.5mm)
lead length
10 100
Instantaneous Forward Current (A)
0 0 25 50 75 100 125 150 175 Ambient Temperature, °C Fig 3. – Typical Instantaneous Forward
100 Characteristics
10
1.0
TJ = 25°C
0.1 Pulse width = 300µs
1% Duty Cycle
0.01 0.2 0.4
0.6 0.8 1.0
Instantaneous Forward Voltage (V)
Fig 5. –typical transient thermal
impedance 100
1.2
Instantaneous Reverse Current (mA)
0 1 10 Number of Cycles at 60Hz
100
Fig 4. – Typical Reverse Characteristics 10
1.0 0.1 Tj=75℃
Tj=100℃
0.01
Tj=25℃
0.001 0
20 40
60 80 100
Percent of Rated P.