Document Number: 94112 For technical questions, contact: diodestech@vishay.com www.vishay.com
Revision: 03-Mar-10 1
Schottky Rectifier, 1.0 A
VS-10BQ040PbF
Vishay High Power Products
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, contact: diodestech@vishay.com Document Number: 94112
2Revision: 03-Mar-10
VS-10BQ040PbF
Vishay High Power Products 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, contact: diodestech@vishay.com www.vishay.com
Revision: 03-Mar-10 3
VS-10BQ040PbF
Schottky Rectifier, 1.0 A Vishay High Power Products
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, contact: diodestech@vishay.com Document Number: 94112
4Revision: 03-Mar-10
VS-10BQ040PbF
Vishay High Power Products 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
I
F(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, contact: diodestech@vishay.com www.vishay.com
Revision: 03-Mar-10 5
VS-10BQ040PbF
Schottky Rectifier, 1.0 A Vishay High Power Products
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
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
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All product specifications and data are subject to change without notice.
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(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
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