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
IF(AV) 3 A
VR40 V
Cathode Anode
SMA
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
IF(AV) DC 3 A
VRRM 40 V
IFSM tp = 5 μs sine 330 A
VF2 Apk, TJ = 125 °C 0.43 V
TJRange - 40 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL VS-15MQ040NPbF UNITS
Maximum DC reverse voltage VR40 V
Maximum working peak reverse voltage VRWM
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current
See fig. 4 IF(AV)
50 % duty cycle at TL = 105 °C, rectangular waveform
On PC board 9 mm2 island
(0.013 mm thick copper pad area)
2.1 A
Maximum peak one cycle
non-repetitive surge current
See fig. 6
IFSM
5 μs sine or 3 μs rect. pulse Following any rated
load condition and with
rated VRRM applied
330
A
10 ms sine or 6 ms rect. pulse 140
Non-repetitive avalanche energy EAS TJ = 25 °C, IAS = 1 A, L = 12 mH 6.0 mJ
Repetitive avalanche current IAR
Current decaying linearly to zero in 1 μs
Frequency limited by TJ maximum VA = 1.5 x VR typical 1.0 A
www.vishay.com For technical questions, contact: diodestech@vishay.com Document Number: 94141
2Revision: 04-Mar-10
VS-15MQ040NPbF
Vishay High Power Products Schottky Rectifier, 3 A
Note
(1) Pulse width < 300 μs, duty cycle < 2 %
Note
(1) thermal runaway condition for a diode on its own heatsink
ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum forward voltage drop
See fig. 1 VFM (1)
1 A TJ = 25 °C 0.42
V
2 A 0.49
1 A TJ = 125 °C 0.34
2 A 0.43
Maximum reverse leakage current
See fig. 2 IRM (1) TJ = 25 °C VR = Rated VR
0.5 mA
TJ = 125 °C 20
Threshold voltage VF(TO) TJ = TJ maximum 0.26 V
Forward slope resistance rt64.6 mΩ
Typical junction capacitance CTVR = 10 VDC, TJ = 25 °C, test signal = 1 MHz 134 pF
Typical series inductance LSMeasured lead to lead 5 mm from package body 2.0 nH
Maximum voltage rate of change dV/dt Rated VR10 000 V/μs
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction and storage
temperature range TJ (1), TStg - 40 to 150 °C
Maximum thermal resistance,
junction to ambient RthJA DC operation 80 °C/W
Approximate weight 0.07 g
0.002 oz.
Marking device Case style SMA (similar D-64) V3F
dPtot
dTJ
------------- 1
RthJA
--------------<
Document Number: 94141 For technical questions, contact: diodestech@vishay.com www.vishay.com
Revision: 04-Mar-10 3
VS-15MQ040NPbF
Schottky Rectifier, 3 A Vishay High Power Products
Fig. 1 - Maximum Forward Voltage Drop Characteristics
Fig. 2 - Typical Peak Reverse Current vs.
Reverse Voltage
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
Fig. 4 - Maximum Average Forward Current vs.
Allowable Lead Temperature
Fig. 5 - Maximum Average Forward Dissipation vs.
Average Forward Current
Fig. 6 - Maximum Peak Surge Forward Current vs. Pulse Duration
Note
(1) Formula used: TC = TJ - (Pd + PdREV) x RthJC;
Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6); PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated VR
0.1
10
I
F
- Instantaneous Forward
Current (A)
V
FM
- Forward Voltage Drop (V)
0.3 0.5 0.7 0.9
1
0.80.60.4
0.2
TJ = 150 °C
TJ = 125 °C
TJ = 25 °C
IR - Reverse Current (mA)
VR - Reverse Voltage (V)
01020
30
0.01
0.1
1
10
100
540
0.001
352515
TJ = 150 °C
TJ = 125 °C
TJ = 100 °C
TJ = 75 °C
TJ = 50 °C
TJ = 25 °C
CT - Junction Capacitance (pF)
VR - Reverse Voltage (V)
02030
40 45
100
1000
10
TJ = 25 °C
10
515 25 35
Allowable Case Temperature (°C)
IF(AV) - Average Forward Current (A)
0 2.0 3.01.0
30
50
70
110
150
0.5 1.5 2.5
90
130
Square wave (D = 0.50)
80 % rated VR applied
See note (1)
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
DC
140
120
100
80
60
40
0
0.4
1.0
1.6
Average Power Loss (W)
I
F(AV)
- Average Forward Current (A)
02.0 3.0
1.4
0.6
0.2
1.51.00.5 2.5
0.8 RMS limit
DC
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
1.2
I
FSM
- Non-Repetitive Surge Current (A)
t
p
- Square Wave Pulse Duration (µs)
100
1000
10 100 1000 10 000
At any rated load condition
and with rated V applied
following surge RRM
www.vishay.com For technical questions, contact: diodestech@vishay.com Document Number: 94141
4Revision: 04-Mar-10
VS-15MQ040NPbF
Vishay High Power Products Schottky Rectifier, 3 A
ORDERING INFORMATION TABLE
2- Current rating
3- M = SMA
4- Q = Schottky “Q” series
5- Voltage rating (040 = 40 V)
6- N = New SMA
7- None = Box (1000 pieces)
TR = Tape and reel (7500 pieces)
- PbF = Lead (Pb)-free
8
1- HPP product suffix
Device code
51324678
VS- 15 M Q 040 N TR PbF
LINKS TO RELATED DOCUMENTS
Dimensions www.vishay.com/doc?95018
Part marking information www.vishay.com/doc?95029
Packaging information Tape and reel www.vishay.com/doc?95034
Bulk www.vishay.com/doc?95397
SPICE model www.vishay.com/doc?95273
Document Number: 95018 For technical questions concerning discrete products, contact: diodes-tech@vishay.com www.vishay.com
Revision: 25-Jun-07 For technical questions concerning module products, contact: ind-modules@vishay.com 1
SMA
Outline Dimensions
Vishay High Power Products
DIMENSIONS in millimeters (inches)
2.50 (0.098)
2.90 (0.114)
4.00 (0.157)
4.60 (0.181)
1.40 (0.055)
1.60 (0.062)
0.152 (0.006)
0.305 (0.012)
2.00 (0.078)
2.44 (0.096)
0.76 (0.030)
1.52 (0.060)
0.103 (0.004)
0.203 (0.008)
4.80 (0.188)
5.28 (0.208)
2.10 MAX.
(0.085 MAX. )
5.53 (0.218)
1.27 MIN.
(0.050 MIN.)
1.47 MIN.
(0.058 MIN.)
Soldering pad
12
12
Polarity Part Number
Legal Disclaimer Notice
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Revision: 12-Mar-12 1Document Number: 91000
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