SBR1045
Schottky Barrier Rectifiers
Reverse Voltage 45V Forward Current 10A
FEATURES
* 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
Guardring for over voltage protection
High temperature soldering guaranteed:
260°C/10 seconds at terminals
Mechanical Data
Case: JEDEC TO-277A,
molded plastic over SKY body
Terminals: Plated leads, solderable per
MIL-STD-750, Method 2026
Mounting Position: Any
Weight: 0.108 g
Handling precautin:None
We declare that the material of product is
Haloggen free (green epoxy compound)
1.Electrical Characteristic
Maximum & Thermal Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
device marking code
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
at Tc = 75°C
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Typical thermal resistance (Note 1)
Typical thermal resistance (Note 2)
Operating junction temperature range
Storage temperature range
V
RRM
V
RMS
V
DC
IF(AV)
I
FSM
RθJC
RθJL
RθJA
RθJA
TJ
T
STG
symbol
SBR1045
S1045
45
31.5
45
10.0
300
8
15
31
135
–55 to +150
–55 to +175
V
V
V
A
A
Unit
°C/W
°C/W
°C
°C
Electrical Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum instantaneous forward voltage at 10A
at 25℃
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage Tj = 100°C
Typical junction capacitance at 4.0V, 1MHz
symbol
V
F
IR
CJ
SBR1045
0.55
0.3
15.0
500
Unit
V
mA
PF
NOTES:
1. Polymide PCB, 2oz. Copper. Cathode pad dimensions 18.8mm x 14.4mm. Anode pad dimensions 5.6mm x 14.4mm.
2.FR-4 PCB, 2oz.Copper.
SBR1045
2.Ratings and Characteristic Curves
( TA = 25°C unless otherwise noted )
Fig. 1
–
Forward Current Derating Curve
Average Forward Rectified Current (A)
60 Hz
Resistive or
Inductive Load
Fig. 2
–
Maximum Non-repetitive Peak
Forward Surge Current
Peak forward surge current (A)
TJ = TJ max
8.3ms Single Half Sine-wave
(JEDEC Method)
10
275
5
0
0
25 50 75 100 125
Case Temperature,
°C
150 175
0
1
10
Number of Cycles at 60Hz
100
Instantaneous Forward Current (A)
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
Instantaneous Reverse Current (mA)
100
Fig 3.
–
Typical Instantaneous Forward
Characteristics
Fig 4.
–
Typical Reverse Characteristics
10
Tj=100℃
10
1.0
1.0
0.1
0.1
0.01
Tj=25℃
0.01
0.2
0.3
0.4
0.5
0.6
0.7
Instantaneous Forward Voltage (V)
0.001
0
20
40
60
80
Percent of Rated Peak Reverse Voltage (%)
Fig 6.
–
Typical Junction Capacitance
100
°
Transient thermal impedance( C/W)
Junction Capacitance (pF)
1000
Fig 5.
–typical
transient thermal
impedance (Note 2)
1000
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
100
100
10
1
0.01
0.1
1.0
10
t,Pulse duration,sec
100
10
0.1
1
10
Reverse Voltage (V)
100
Microcontroller MCU
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