VSSAF3L45
www.vishay.com
Vishay General Semiconductor
Surface Mount Trench MOS Barrier Schottky Rectifier
FEATURES
• Very low profile - typical height of 0.95 mm
• Ideal for automated placement
• Trench MOS Schottky technology
• Low power losses, high efficiency
• Low forward voltage drop
• Meets MSL level 1, per J-STD-020, LF maximum peak
of 260 °C
Top View
Bottom View
TMBS
®
SlimSMA
TM
DO-221AC
• AEC-Q101 qualified available
- Automotive ordering code; base P/NHM3
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
TYPICAL APPLICATIONS
PRIMARY CHARACTERISTICS
I
F(AV)
V
RRM
I
FSM
I
R
at V
R
= 45 V (125 °C)
V
F
at I
F
= 3.0 A (125 °C)
T
J
max.
Package
Diode variations
3.0 A
45 V
80 A
5 mA
0.37 V
150 °C
DO-221AC (SlimSMA)
Single die
For use in low voltage, high frequency inverters,
freewheeling, DC/DC converters, and polarity protection in
commercial, industrial, and automotive applications.
MECHANICAL DATA
Case:
DO-221AC (SlimSMA)
Molding compound meets UL 94 V-0 flammability rating
Base P/N-M3 - halogen-free, RoHS-compliant, and
commercial grade
Base P/NHM3 - halogen-free, RoHS-compliant, and
AEC-Q101 qualified
Base P/NHM3_X - halogen-free, RoHS-compliant, and
AEC-Q101 qualified
(“_X” denotes revision code e.g. A, B,.....)
Terminals:
matte tin plated leads, solderable per
J-STD-002 and JESD22-B102
M3 and HM3 suffix meets JESD 201 class 2 whisker test
Polarity:
color band denotes cathode end
MAXIMUM RATINGS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Device marking code
Maximum repetitive peak reverse voltage
Maximum DC forward rectified current
Peak forward surge current 10 ms single half sine-wave
superimposed on rated load
Operating junction and storage temperature range
Note
(1)
Free air, mounted on recommended copper pad area
V
RRM
I
F(AV) (1)
I
FSM
T
J
, T
STG
SYMBOL
VSSAF3L45
3L45
45
3.0
80
-40 to +150
V
A
A
°C
UNIT
Revision: 06-May-15
Document Number: 89935
1
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
VSSAF3L45
www.vishay.com
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
TEST CONDITIONS
I
F
= 1.5 A
Instantaneous forward voltage
I
F
= 3.0 A
I
F
= 1.5 A
I
F
= 3.0 A
Reverse current
Typical junction capacitance
V
R
= 45 V
4.0 V, 1 MHz
T
A
= 25 °C
V
F (1)
T
A
= 125 °C
T
A
= 25 °C
T
A
= 125 °C
I
R (2)
C
J
SYMBOL
TYP.
0.41
0.46
0.31
0.37
-
5
425
MAX.
-
0.54
-
0.46
450
25
-
μA
mA
pF
V
UNIT
Notes
(1)
Pulse test: 300 μs pulse width, 1 % duty cycle
(2)
Pulse test: pulse width
≤
40 ms
THERMAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise specified)
PARAMETER
Typical thermal resistance
SYMBOL
R
θJA
(1)
R
θJM
(2)
VSSAF3L45
115
12
UNIT
°C/W
Notes
(1)
Free air, mounted on recommended PCB, 2 oz. pad area; thermal resistance R
θJA
- junction to ambient; R
θJM
- junction to mount
(2)
The heat generated must be less than thermal conductivity from junction to ambient: dP /DT < 1/R
D
J
θJA
ORDERING INFORMATION
(Example)
PREFERRED P/N
VSSAF3L45-M3/6A
VSSAF3L45-M3/6B
VSSAF3L45HM3/6A
(1)
UNIT WEIGHT (g)
0.032
0.032
0.032
0.032
0.032
0.032
PREFERRED PACKAGE CODE
6A
6B
6A
6B
H
I
BASE QUANTITY
3500
14 000
3500
14 000
3500
14 000
DELIVERY MODE
7" diameter plastic tape and reel
13" diameter plastic tape and reel
7" diameter plastic tape and reel
13" diameter plastic tape and reel
7" diameter plastic tape and reel
13" diameter plastic tape and reel
VSSAF3L45HM3/6B
(1)
VSSAF3L45HM3_A/H
(1)
VSSAF3L45HM3_A/I
Note
(1)
AEC-Q101 qualified
(1)
RATINGS AND CHARACTERISTICS CURVES
(T
A
= 25 °C unless otherwise specified)
Average Forward Rectified Current (A)
3.6
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
0
25
50
75
100
125
150
Rth
JM
= 12 °C/W
1.6
1.4
D = 0.5
D = 0.3
D = 0.2
D = 0.1
D = 1.0
D = 0.8
Average Power Loss (W)
Rth
JA
= 115 °C/W
1.2
1.0
0.8
0.6
T
0.4
0.2
0.0
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
3.6
D = t
p
/T
t
p
Mount Temperature (°C)
Fig. 1 - Maximum Forward Current Derating Curve
Average Forward Current (A)
Fig. 2 - Average Power Loss Characteristics
Revision: 06-May-15
Document Number: 89935
2
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
VSSAF3L45
www.vishay.com
Vishay General Semiconductor
Transient Thermal Impedance (°C/W)
1000
Junction to Ambient
100
Instantaneous Forward Current (A)
10
T
A
= 150 °C
T
A
= 125 °C
1
T
A
= 100 °C
100
10
T
A
= 25 °C
0.1
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
1
0.01
0.1
1
10
100
Instantaneous Forward Voltage (V)
Fig. 3 - Typical Instantaneous Forward Characteristics
t - Pulse Duration (s)
Fig. 6 - Typical Transient Thermal Impedance
Instantaneous Reverse Current (mA)
100
120
10
T
A
= 125 °C
1
T
A
= 100 °C
Thermal Resistance (°C/W)
T
A
= 150 °C
100
80
60
40
20
Epoxy printed circuit board
FR4 copper thickness = 70 μm
0.1
0.01
T
A
= 25 °C
S
(cm
2
)
0
0
2
4
6
8
10
0.001
10
20
30
40
50
60
70
80
90
100
Percent of Rated Peak Reverse Voltage (%)
Fig. 4 - Typical Reverse Leakage Characteristics
Copper Pad Areas (cm
2
)
Fig. 7 - Thermal Resistance Junction to Ambient vs.
Copper Pad Areas
1000
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mV
p-p
Junction Capacitance (pF)
100
10
0.1
1
10
100
Reverse Voltage (V)
Fig. 5 - Typical Junction Capacitance
Revision: 06-May-15
Document Number: 89935
3
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
VSSAF3L45
www.vishay.com
PACKAGE OUTLINE DIMENSIONS
in inches (millimeters)
DO-221AC (SlimSMA)
Cathode Band
Vishay General Semiconductor
0.106 (2.70)
0.098 (2.50)
0.057 (1.45)
0.049 (1.25)
0.171 (4.35)
0.163 (4.15)
0.211 (5.35)
0.199 (5.05)
0.039 (1.00)
0.035 (0.90)
0.012 (0.30)
0.006 (0.15)
0.047 (1.20)
0.030 (0.75)
Typ.: 0.019 (0.48)
Mounting Pad Layout
0.060 (1.52)
MIN.
0.047 (1.20)
MIN.
0.123 (3.12) MAX.
0.217 (5.52) REF.
0.047 (1.20)
MIN.
Revision: 06-May-15
Document Number: 89935
4
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
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© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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