SM520B thru SM5100B
Schottky Barrier Rectifiers
Reverse Voltage 20 to100V Forward Current 5.0A
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 DO-214AA / SMB
molded plastic over glass die
Terminals:
Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.098 g
Handling precautin:None
We declare that the material of product compliance
with ROHS requirements
Electrical Characteristic
1.Maximum Ratings & Thermal Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
device marking code
Maximum repetitive peak reverse voltage
Maximum RSM voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length (See fig. 1)
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Typical thermal resistance (Note 1)
Operating junction and storage temperature range
V
RRM
V
RSM
V
DC
IF(AV)
symbol SM520B SM530B SM540B SM550B SM560B SM580B SM5100B
SM520B SM530B SM540B SM550B SM560B SM580B SM5100B
20
14
20
30
21
30
40
28
40
50
35
50
5.0
60
42
60
80
56
80
100
70
100
V
V
V
A
Unit
I
FSM
RθJA
TJ,
TSTG
100
A
°C/W
°C
50
–40
to +150
Electrical Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum instantaneous forward voltage at 5.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 100°C
Typical junction capacitance at 4.0V, 1MHz
NOTES:
1. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
symbol SM520B SM530B SM540B SM550B SM560B SM580B SM5100B
V
F
IR
CJ
0.50
0.5
10.0
110
0.70
0.85
Unit
V
mA
PF
SM520B thru SM5100B
2.Ratings and Characteristic Curves
( TA = 25°C unless otherwise noted )
Fig. 1
–
Forward Current Derating Curve
Average Forward Rectified Current (A)
Peak forward surge current (A)
60 Hz
Resistive or
Inductive Load
Fig. 2
–
Maximum Non-repetitive Peak
Forward Surge Current
TJ = TJ max
8.3ms Single Half Sine-wave
(JEDEC Method)
5.0
100
2.5
50
0
0
25
50 75 100 125 150 175
Ambient Temperature,
°C
0
1
10
Number of Cycles at 60Hz
100
10
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
Instantaneous Reverse Current (mA)
100
Instantaneous Forward Current (A)
Fig 3.
–
Typical Instantaneous Forward
Characteristics
Fig 4.
–
Typical Reverse Characteristics
10
Tj=125℃
1.0
Tj=75℃
1.0
0.1
0.1
0.01
Tj=25℃
0.01
0.2
0.4
0.6
0.8
1.0
1.2
Instantaneous Forward Voltage (V)
0.001
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Fig 6.
–
Typical Junction Capacitance
Transient thermal impedance(°C/W)
100
Fig 5.
–typical
transient thermal
impedance
1000
Junction Capacitance (pF)
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
10
100
1.0
0.1
0.01
0.1
1.0
10
t,Pulse duration,sec
100
10
0.1
1
10
Reverse Voltage (V)
100
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