Document
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
We declare that the material of product compliance
Polarity: Color band denotes cathode end
with ROHS requirements
Mounting Position: Any
Weight: 0.098 g
Handling precautin:None
Electrical Characteristic
1.Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol SM520B SM530B SM540B SM550B SM560B SM580B SM5100B
device marking code
SM520B SM530B SM540B SM550B SM560B SM580B SM5100B
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)
VRRM
20
30
40
50
60
80
100
VRSM
14
21
28
35
42
56
70
VDC 20 30 40 50 60 80 100
IF(AV)
5.0
Unit
V V V A
Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method)
IFSM
Typical thermal resistance (Note 1) Operating junction and storage temperature range
RθJA
TJ, TSTG
100
50 –40 to +150
A
°C/W °C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol SM520B SM530B SM540B SM550B SM560B
Maximum instantaneous forward voltage at 5.0A
VF
0.50
0.70
SM580B SM5100B 0.85
Maximum DC reverse current TA = 25°C at rated DC blocking voltage TA = 100°C
IR
0.5 10.0
Typical junction capacitance at 4.0V, 1MHz
CJ
NOTES: 1. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
110
Unit V
mA
PF
Peak forward surge current (A)
Average Forward Rectified Current (A)
SM520B thru SM5100B
2.Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 1 – Forward Current Derating Curve
Fig. 2 – Maximum Non-repetitive Peak Forward Surge Current
60 Hz
TJ = TJ max
Resistive or
8.3ms Single Half Sine-wave
5.0
Inductive Load
100
(JEDEC Method)
2.5 50
Instantaneous Forward Current (A)
0 0 25 50 75 100 125 150 175 Ambient Temperature, °C Fig 3. – Typical Instantaneous Forward
100 Characteristics
TJ = 25°C Pulse width = 300µs
10 1% Duty Cycle
1.0
0.1
0.01 0.2 0.4 0.6 0.8 1.0 1.2 Instantaneous Forward Voltage (V) Fig 5. –typical transient thermal impedance
100
10
1.0
Instantaneous Reverse Current (mA)
0 1 10 100 Number of Cycles at 60Hz
Fig 4. – Typical Reverse Characteristics 10
Tj=125℃
1.0
Tj=75℃
0.1
0.01
Tj=25℃
0.001 0
20 40
60 80 100
Percent of Rated Peak Reverse Volta.