VSSAF3N50
www.vishay.com
Vishay General Semiconductor
Surface Mount Trench MOS Barrier Schottky Rectifier
FEATURES
TMBS® eSMP®
Series
• 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
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
Top View
Bottom View
SlimSMA
(DO-221AC)
Cathode
Anode
TYPICAL APPLICATIONS
DESIGN SUPPORT TOOLS
Models
Available
click logo to get started
For use in low voltage, high frequency inverters,
freewheeling, DC/DC converters, and polarity protection
applications.
MECHANICAL DATA
PRIMARY CHARACTERISTICS
I
F(AV)
V
RRM
I
FSM
V
F
at I
F
= 3.0 A
T
J
max.
Package
Circuit configuration
3.0 A
50 V
80 A
0.40 V
150 °C
SlimSMA (DO-221AC)
Single
Case:
SlimSMA (DO-221AC)
Molding compound meets UL 94 V-0 flammability rating
Base P/N-M3 - halogen-free, RoHS-compliant, and
commercial grade
Terminals:
matte tin plated leads, solderable
J-STD-002 and JESD22-B102
M3 suffix meets JESD 201 class 2 whisker test
Polarity:
color band denotes cathode end
per
MAXIMUM RATINGS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Device marking code
Maximum repetitive peak reverse voltage
Maximum DC forward current (fig. 1)
Peak forward surge current 10 ms single half sine-wave
superimposed on rated load
Maximum DC reserve voltage
Operating junction and storage temperature range
Note
(1)
Mounted on 5 mm x 5 mm copper pad areas, 2 oz. FR4 PCB
(2)
Free air, mounted on recommended copper pad area
V
RRM
I
F (1)
I
F (2)
I
FSM
V
DC
T
J
, T
STG
SYMBOL
VSSAF3N50
3N5
50
3.0
2.7
80
35
-40 to +150
V
A
A
V
°C
UNIT
Revision: 04-May-2018
Document Number: 87720
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
VSSAF3N50
www.vishay.com
Vishay General Semiconductor
TEST CONDITIONS
I
F
= 1.5 A
I
F
= 3.0 A
I
F
= 1.5 A
I
F
= 3.0 A
V
R
= 35 V
T
A
= 25 °C
V
F (1)
T
A
= 125 °C
T
A
= 25 °C
T
A
= 125 °C
T
A
= 25 °C
T
A
= 125 °C
C
J
I
R (2)
SYMBOL
TYP.
0.40
0.47
0.30
0.40
0.01
8
-
12.5
570
MAX.
-
0.54
-
0.48
-
-
1
35
-
pF
mA
V
UNIT
ELECTRICAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Instantaneous forward voltage
Reverse current
V
R
= 50 V
Typical junction capacitance
4.0 V, 1 MHz
Notes
(1)
Pulse test: 300 μs pulse width, 1 % duty cycle
(2)
Pulse test: Pulse width
5 ms
THERMAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise specified)
PARAMETER
Typical thermal resistance
SYMBOL
R
JA
(1)
R
JM
(1)
VSSAF3N50
115
12
UNIT
°C/W
Note
(1)
Free air, mounted on recommended PCB, 2 oz. pad area; thermal resistance R
JA
- junction to ambient, R
JM
- junction to mount
ORDERING INFORMATION
(Example)
PREFERRED P/N
VSSAF3N50-M3/6A
VSSAF3N50-M3/6B
UNIT WEIGHT (g)
0.032
0.032
PREFERRED PACKAGE CODE
6A
6B
BASE QUANTITY
3500
14 000
DELIVERY MODE
7" diameter plastic tape and reel
13" diameter plastic tape and reel
Revision: 04-May-2018
Document Number: 87720
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
VSSAF3N50
www.vishay.com
Vishay General Semiconductor
RATINGS AND CHARACTERISTICS CURVES
(T
A
= 25 °C unless otherwise noted)
Average Forward Rectified Current (A)
3.5
3
2.5
2
1.5
1
0.5
0
0
25
50
75
100
125
150
Rth
JA
= 115 °C/W
Rth
JM
= 12 °C/W
100
T
A
= 150 °C
10
T
A
= 125 °C
T
A
= 100 °C
1
Instantaneous Reverse Current (mA)
0.1
T
A
= 25 °C
0.01
0.001
10
20
30
40
50
60
70
80
90
100
Mount Temperature (°C)
Fig. 1 - Maximum Forward Current Derating Curve
Percent of Rated Peak Reverse Voltage (%)
Fig. 4 - Typical Reverse Leakage Characteristics
1.6
1.4
D = 0.5
D = 0.3
1.2
1.0
0.8
0.6
T
10 000
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mV
p-p
1000
D = 0.2
D = 0.1
D = 0.8
D = 1.0
Junction Capacitance (pF)
Average Power Loss (W)
100
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
10
0.1
1
10
100
Average Forward Current (A)
Fig. 2 - Forward Power Loss Characteristics
Reverse Voltage (V)
Fig. 5 - Typical Junction Capacitance
Transient Thermal Impedance (°C/W)
10
1000
Junction to Ambient
Instantaneous Forward Current (A)
T
A
= 125 °C
T
A
= 150 °C
1
T
A
= 100 °C
100
10
0.1
0
0.1
0.2
0.3
T
A
= 25 °C
0.4
0.5
0.6
0.7
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
Revision: 04-May-2018
Document Number: 87720
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
VSSAF3N50
www.vishay.com
Vishay General Semiconductor
140
Thermal Resistance (°C/W)
120
100
80
60
40
20
Epoxy printed circuit
board FR4 copper
thickness = 70 μm
Scu
(cm
2
)
0
0
2
4
6
8
10
Copper Pad Areas (cm
2
)
Fig. 7 - Thermal Resistance Junction to Ambient
vs. Copper Pad Area
PACKAGE OUTLINE DIMENSIONS
in inches (millimeters)
SlimSMA
(DO-221AC)
Cathode Band
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: 04-May-2018
Document Number: 87720
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.
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“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
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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
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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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