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2017.01
SMB-S-SSL545B-5A45V
Ratings at 25 ambient temperature unless otherwise specified.
Single phase half-wave 60 Hz, resistive or inductive load, for capacitive load current derate by 20 %.
°C
Maximum DC Blocking Voltage
Peak Forward Surge Current 8.3 ms Single Half
Sine Wave Superimposed on Rated Load
Maximum Instantaneous Forward Voltage at 5 A
Parameter
Maximum Repetitive Peak Reverse Voltage
Maximum RMS voltage
Maximum Average Forward Rectified Current
at T = 100 °C
c
Maximum DC Reverse Current T = 25 °C
a
at Rated DC Blocking Voltage T =100 °C
a
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
I
R
Symbols
V
V
V
5
150
1
50
800
A
A
V
mA
Maximum Ratings and Electrical characteristics
Units
Typical Thermal Resistance
R
θJA
37
°C/W
0.45
SSL545B
（1）
（2）
45
32
45
Typical Junction Capacitance
pF
C
j
Storage Temperature Range
T
stg
-55 ~ +150
°C
Operating Junction Temperature Range
-55 ~ +150
°C
T
j
Measured at 1 MHz and applied reverse voltage of 4 V D.C
（2）
（1）
P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper pad areas.
Surface Mount Schottky Barrier Rectifier
Reverse Voltage - 45 V
Forward Current - 5.0A
Features
• Metal silicon junction, majority carrier conduction
• For surface mounted applications
• Low power loss, high efficiency
• High forward surge current capability
• For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
•
•
• A
MECHANICAL DATA
Case: SMB
Terminals: Solderable per MIL-STD-750, Method 2026
pprox. Weight: 0.1g / 0.0034oz
PINNING
PIN
1
2
DESCRIPTION
Cathode
Anode
Simplified outline SMB and symbol
Top View
Marking Code: SL545B
1
2
SSL545B
Jingdao Microelectronics co.LTD
山 东 晶 导 微 电 子 股 份 有 限 公 司
Fig.2 Typical Reverse Characteristics
Instaneous Current ( μA)Reverse
20
40 60 80
0
T =25
J
°C
T =100
J
°C
Percent of Rated Peak Reverse Voltage（%）
100
10
1
10
2
10
3
10
4
Fig.4 Typical Junction Capacitance
Junction Capacitance ( pF)
Reverse Voltage (V)
Fig.3 Typical Forward Characteristic
Instaneous Forward Current (A)
Instaneous Forward Voltage (V)
0.01
100
1
10
100
Fig.6- Typical Transient Thermal Impedance
Transient Thermal Impedance（ /W）°C
t, Pulse Duration（sec）
0.1 1 10
0.1
0
0.4
1
10
0.8 1.0
20
10
0.1 10
100
500
20
1001
1000
T =25
J
°C
Page 2 of 3
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Fig.1 Forward Current Derating Curve
1.0
2.0
3.0
4.0
5.0
6.0
0.0
25 50
75
100 125
Average Forward Current (A)
Case °C) Temperature (
150
10 100
Fig.5 Maximum Non-Repetitive Peak
Forward Surage Current
Peak A)Forward Surage Current (
Number of Cycles at 60Hz
8.3 ms Single Half Sine Wave
(JEDEC Method)
1
50
00
125
175
25
75
150
100
10
5
0.2 0.3 0.5 0.6 0.7
2017.01
SSL545B
Jingdao Microelectronics co.LTD
山 东 晶 导 微 电 子 股 份 有 限 公 司