Datasheet
Document Number: 94141 For technical questions, contact: diodestech@vishay.com
www.vishay.com
Revision: 04-Mar-10 1
Schottky Rectifier, 3 A
VS-15MQ040NPbF
Vishay High Power Products
FEATURES
• Surface mountable
• Extremely low forward voltage
• Compact size
• Improved reverse blocking voltage capability
relative to other similar size Schottky
• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C
• Compliant to RoHS directive 2002/95/EC
• Designed and qualified for industrial level
APPLICATIONS
• Switching power supplies
• Meter protection
• Reverse protection for power input to PC board circuits
• Battery isolation and charging
• Low threshold voltage diode
• Freewheeling or by-pass diode
• Low voltage clamp
DESCRIPTION
The VS-15MQ040NPbF Schottky rectifier is designed to be
used for low power applications where a reverse voltage of
40 V is encountered and surface mountable is required.
PRODUCT SUMMARY
I
F(AV)
3 A
V
R
40 V
Cathode Anode
SMA
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
I
F(AV)
DC 3 A
V
RRM
40 V
I
FSM
t
p
= 5 μs sine 330 A
V
F
2 Apk, T
J
= 125 °C 0.43 V
T
J
Range - 40 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL VS-15MQ040NPbF UNITS
Maximum DC reverse voltage V
R
40 V
Maximum working peak reverse voltage V
RWM
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current
See fig. 4
I
F(AV)
50 % duty cycle at T
L
= 105 °C, rectangular waveform
On PC board 9 mm
2
island
(0.013 mm thick copper pad area)
2.1 A
Maximum peak one cycle
non-repetitive surge current
See fig. 6
I
FSM
5 μs sine or 3 μs rect. pulse
Following any rated
load condition and with
rated V
RRM
applied
330
A
10 ms sine or 6 ms rect. pulse 140
Non-repetitive avalanche energy E
AS
T
J
= 25 °C, I
AS
= 1 A, L = 12 mH 6.0 mJ
Repetitive avalanche current I
AR
Current decaying linearly to zero in 1 μs
Frequency limited by T
J
maximum V
A
= 1.5 x V
R
typical
1.0 A






