Document Number: 94112 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 23-Jun-10 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 1
Schottky Rectifier, 1.0 A
VS-10BQ040PbF
Vishay Semiconductors
FEATURES
Small foot print, surface mountable
Low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long
term reliability
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
DESCRIPTION
The VS-10BQ040PbF surface mount Schottky rectifier has
been designed for applications requiring low forward drop
and very small foot prints on PC boards. Typical
applications are in disk drives, switching power supplies,
converters, freewheeling diodes, battery charging, and
reverse battery protection.
PRODUCT SUMMARY
IF(AV) 1.0 A
VR40 V
SMB
Cathode Anode
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
IF(AV) Rectangular waveform 1.0 A
VRRM 40 V
IFSM tp = 5 μs sine 430 A
VF1.0 Apk, TJ = 125 °C 0.49 V
TJRange - 55 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL VS-10BQ040PbF 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 IF(AV) 50 % duty cycle at TL = 112 °C, rectangular waveform 1.0 A
Maximum peak one cycle
non-repetitive surge current IFSM
5 μs sine or 3 μs rect. pulse Following any rated
load condition and with
rated VRRM applied
430
A
10 ms sine or 6 ms rect. pulse 45
Non-repetitive avalanche energy EAS TJ = 25 °C, IAS = 1 A, L = 6 mH 3.0 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 within your region, please contact one of the following: Document Number: 94112
2DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 23-Jun-10
VS-10BQ040PbF
Vishay Semiconductors Schottky Rectifier, 1.0 A
Note
(1) Pulse width < 300 μs, duty cycle < 2 %
Notes
(1) thermal runaway condition for a diode on its own heatsink
(2) Mounted 1" square PCB
ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum forward voltage drop
See fig. 1 VFM (1)
1 A TJ = 25 °C 0.53
V
2 A 0.70
1 A TJ = 125 °C 0.49
2 A 0.64
Maximum reverse leakage current
See fig. 2 IRM (1) TJ = 25 °C VR = Rated VR
0.1 mA
TJ = 125 °C 4
Typical junction capacitance CTVR = 5 VDC, (test signal range 100 kHz to 1 MHz), 25 °C 80 pF
Typical series inductance LSMeasured lead to lead 5 mm from package body 2.0 nH
Maximum voltage rate of charge 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 - 55 to 150 °C
Maximum thermal resistance,
junction to lead RthJL (2) DC operation 36
°C/W
Maximum thermal resistance,
junction to ambient RthJA 80
Approximate weight 0.10 g
0.003 oz.
Marking device Case style SMB (similar DO-214AA) V1F
dPtot
dTJ
------------- 1
RthJA
--------------<
Document Number: 94112 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 23-Jun-10 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 3
VS-10BQ040PbF
Schottky Rectifier, 1.0 A Vishay Semiconductors
Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 2 - Typical Reverse Current vs. Reverse Voltage
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg)
10
1
V
FM
- Forward Voltage Drop (V)
I
F
- Instantaneous Forward
Current (A)
0.1
0.2 0.4 0.6 0.8 1.0
TJ = 25 °C
TJ = 150 °C
TJ = 125 °C
10
0.01
0.001
V
R
- Reverse Voltage (V)
I
R
- Reverse Current (mA)
0
0.0001
10 4020 30
TJ = 150 °C
TJ = 125 °C
TJ = 100 °C
TJ = 75 °C
TJ = 50 °C
TJ = 25 °C
0.1
1
515
25 35
1000
100
VR - Reverse Voltage (V)
CT - Junction Capacitance (pF)
0
10
4010 20 30
TJ = 25 °C
t1 - Rectangular Pulse Duration (s)
ZthJC - Thermal Impedance (°C/W)
0.1
1
10
0.00001 0.0001 0.001 0.01 0.1 1 10 100
100
Single pulse
(thermal resistance)
.
.
PDM
t1
t2
Notes:
1. Duty factor D = t1/t2
2. Peak TJ = PDM x ZthJC + TC
D = 0.75
D = 0.33
D = 0.25
D = 0.20
D = 0.50
www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 94112
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VS-10BQ040PbF
Vishay Semiconductors Schottky Rectifier, 1.0 A
Fig. 5 - Maximum Average Forward Current vs.
Allowable Lead Temperature
Fig. 6 - Maximum Average Forward Dissipation vs.
Average Forward Current
Fig. 7 - 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
I
F(AV)
- Average Forward Current (A)
Allowable Lead Temperature (°C)
70
100
130
160
00.4 0.8 1.2 1.6
See note (1)
Square wave (D = 0.50)
Rated VR applied
DC
D = 0.20
D = 0.33
D = 0.50
D = 0.75
D = 0.25
80
90
110
120
140
150
IF(AV) - Average Forward Current (A)
Average Power Loss (W)
0
0.2
0.4
0.6
0.8
0 0.3 0.6 0.9 1.2 1.5
DC
RMS limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
t
p
- Square Wave Pulse Duration (µs)
100
1000
IFSM - Non-Repetitive Surge Current (A)
10 100 1000 10 000
10
At any rated load condition and
with rated VRRM applied
following surge
Document Number: 94112 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 23-Jun-10 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 5
VS-10BQ040PbF
Schottky Rectifier, 1.0 A Vishay Semiconductors
ORDERING INFORMATION TABLE
2- Current rating
3- B = Single lead diode
4- Q = Schottky “Q” series
5- Voltage rating (040 = 40 V)
6- None = Box (1000 pieces)
TR = Tape and reel (3000 pieces)
- PbF = Lead (Pb)-free
7
Device code
51324
67
VS- 10 B Q 040 TR PbF
1- HPP product suffix
LINKS TO RELATED DOCUMENTS
Dimensions www.vishay.com/doc?95017
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?95406
Document Number: 95017 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
SMB
Outline Dimensions
Vishay High Power Products
DIMENSIONS in millimeters (inches)
3.80 (0.150)
3.30 (0.130)
4.70 (0.185)
4.10 (0.161)
2.15 (0.085)
1.80 (0.071)
2.40 (0.094)
1.90 (0.075)
1.30 (0.051)
0.76 (0.030)
0.30 (0.012)
0.15 (0.006)
5.60 (0.220)
5.00 (0.197)
4.0 (0.157)
2.0 TYP.
(0.079 TYP.)
2.5 TYP.
(0.098 TYP.)
Soldering pad
12
12
Polarity Part Number
4.2 (0.165)
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 12-Mar-12 1Document Number: 91000
Disclaimer
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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
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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
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Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.