VS-30BQ040PbF
Vishay High Power Products
Schottky Rectifier, 3.0 A
FEATURES
• Small foot print, surface mountable
• Very 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
Cathode
Anode
SMC
PRODUCT SUMMARY
I
F(AV)
V
R
3.0 A
40 V
DESCRIPTION
The VS-30BQ040PbF surface mount Schottky rectifier has
been designed for applications requiring low forward drop
and small foot prints on PC boards. Typical applications are
in disk drives, switching power supplies, converters,
freewheeling diodes, battery charging, and reverse battery
protection.
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
I
F(AV)
V
RRM
I
FSM
V
F
T
J
t
p
= 5 μs sine
3.0 Apk, T
J
= 125 °C
Range
CHARACTERISTICS
Rectangular waveform
VALUES
3.0
40
2000
0.43
- 55 to 150
UNITS
A
V
A
V
°C
VOLTAGE RATINGS
PARAMETER
Maximum DC reverse voltage
Maximum working peak reverse voltage
SYMBOL
V
R
V
RWM
VS-30BQ040PbF
40
UNITS
V
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Maximum average forward current
Maximum peak one cycle
non-repetitive surge current
Non-repetitive avalanche energy
Repetitive avalanche current
SYMBOL
I
F(AV)
TEST CONDITIONS
50 % duty cycle at T
L
= 118 °C, rectangular waveform
50 % duty cycle at T
L
= 110 °C, rectangular waveform
5 μs sine or 3 μs rect. pulse
I
FSM
10 ms sine or 6 ms rect. pulse
E
AS
I
AR
T
J
= 25 °C, I
AS
= 1.0 A, L = 12 mH
Current decaying linearly to zero in 1 μs
Frequency limited by T
J
maximum V
A
= 1.5 x V
R
typical
Following any rated
load condition and with
rated V
RRM
applied
VALUES
3.0
4.0
2000
110
6.0
1.0
mJ
A
A
UNITS
Document Number: 94179
Revision: 04-Mar-10
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
1
VS-30BQ040PbF
Vishay High Power Products
Schottky Rectifier, 3.0 A
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
3A
Maximum forward voltage drop
V
FM (1)
6A
3A
6A
Maximum reverse leakage current
Maximum junction capacitance
Typical series inductance
Maximum voltage rate of change
Note
(1)
Pulse width < 300 μs, duty cycle < 2 %
I
RM (1)
C
T
L
S
dV/dt
T
J
= 25 °C
T
J
= 125 °C
TEST CONDITIONS
T
J
= 25 °C
T
J
= 125 °C
V
R
= Rated V
R
VALUES
0.53
0.68
0.43
0.57
0.5
30
230
3.0
10 000
mA
pF
nH
V/μs
V
UNITS
V
R
= 5 V
DC
(test signal range 100 kHz to 1 MHz), 25 °C
Measured lead to lead 5 mm from package body
Rated V
R
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
Maximum junction and storage
temperature range
Maximum thermal resistance,
junction to lead
Maximum thermal resistance,
junction to ambient
Approximate weight
Marking device
Notes
(1)
SYMBOL
T
J (1)
, T
Stg
R
thJL (2)
DC operation
R
thJA
TEST CONDITIONS
VALUES
- 55 to 150
12
UNITS
°C
°C/W
46
0.24
0.008
g
oz.
V3F
Case style SMC (similar to DO-214AB)
dP
tot
1
------------ < -------------
thermal runaway condition for a diode on its own heatsink
-
-
dT
J
R
thJA
Mounted 1" square PCB
(2)
www.vishay.com
2
For technical questions, contact:
diodestech@vishay.com
Document Number: 94179
Revision: 04-Mar-10
VS-30BQ040PbF
Schottky Rectifier, 3.0 A
Vishay High Power Products
I
F
- Instantaneous Forward Current (A)
10
100 000
T
J
= 150 °C
I
R
- Reverse Current (µA)
10 000
T
J
= 125 °C
1000
1
T
J
= 150 °C
T
J
= 125 °C
T
J
= 25 °C
T
J
= 100 °C
T
J
= 75 °C
100
T
J
= 50 °C
T
J
= 25 °C
10
0.1
1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0
10
20
30
40
V
FM
- Forward Voltage Drop (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics (Per Leg)
V
R
- Reverse Voltage (V)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
1000
C
T
- Junction Capacitance (pF)
T
J
= 25 °C
100
10
0
5
10
15
20
25
30
35
40
45
V
R
- Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
Z
thJC
- Thermal Impedance (°C/W)
100
10
P
DM
t
1
t
2
1
Single pulse
(thermal resistance)
0.1
0.00001
0.0001
0.001
0.01
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
Notes:
1. Duty factor D = t
1
/t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
1
10
100
0.1
t
1
- Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics (Per Leg)
Document Number: 94179
Revision: 04-Mar-10
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
3
VS-30BQ040PbF
Vishay High Power Products
Schottky Rectifier, 3.0 A
160
150
140
130
120
110
100
90
80
70
2.0
Allowable Lead Temperature (°C)
DC
Average Power Loss (W)
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
1.5
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
1.0
RMS limit
Square wave (D = 0.50)
80 % rated V
R
applied
See note (1)
0.5
DC
0
0
1
2
3
4
5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
I
F(AV)
- Average Forward Current (A)
Fig. 5 - Maximum Average Forward Current vs.
Allowable Lead Temperature
I
F(AV)
- Average Forward Current (A)
Fig. 6 - Maximum Average Forward Dissipation vs.
Average Forward Current
I
FSM
- Non-Repetitive Surge Current (A)
10 000
1000
100
At any rated load condition
and with rated V
RRM
applied
following surge
10
10
100
1000
10 000
t
p
- Square Pulse Duration (µs)
Fig. 7 - Maximum Peak Surge Forward Current vs. Pulse Duration
(1)
Note
Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward power loss = I
F(AV)
x V
FM
at (I
F(AV)
/D) (see fig. 6);
Pd
REV
= Inverse power loss = V
R1
x I
R
(1 - D); I
R
at V
R1
= 80 % rated V
R
www.vishay.com
4
For technical questions, contact:
diodestech@vishay.com
Document Number: 94179
Revision: 04-Mar-10
VS-30BQ040PbF
Schottky Rectifier, 3.0 A
Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
VS-
1
1
2
3
4
5
6
7
30
2
-
-
-
-
-
-
-
B
3
Q
4
040
5
TR
6
PbF
7
HPP product suffix
Current rating
B = Single lead diode
Q = Schottky “Q” series
Voltage rating (040 = 40 V)
None = Box (1000 pieces)
TR = Tape and reel (3000 pieces)
PbF = Lead (Pb)-free
LINKS TO RELATED DOCUMENTS
Dimensions
Part marking information
Packaging information
SPICE model
Tape and reel
Bulk
www.vishay.com/doc?95023
www.vishay.com/doc?95029
www.vishay.com/doc?95034
www.vishay.com/doc?95397
www.vishay.com/doc?95324
Document Number: 94179
Revision: 04-Mar-10
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
5
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