Vishay VS-20BQ030PbF Data Sheet
SMB
Schottky Rectifier, 2 A
Cathode Anode
VS-20BQ030PbF
Vishay High Power Products
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
PRODUCT SUMMARY
I
F(AV)
V
R
2.0 A
30 V
DESCRIPTION
The VS-20BQ030PbF 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 CHARACTERISTICS VALUES UNITS
I
F(AV)
V
I
FSM
V
T
RRM
F
J
Rectangular waveform 2.0 A
30 V
tp = 5 μs sine 350 A
2.0 Apk, TJ = 125 °C 0.37 V
Range - 55 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL VS-20BQ030PbF UNITS
Maximum DC reverse voltage V
Maximum working peak reverse voltage V
R
RWM
30 V
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current I
Maximum peak one cycle
non-repetitive surge current
Non-repetitive avalanche energy E
Repetitive avalanche current I
F(AV)
I
FSM
AR
50 % duty cycle at TL = 119 °C, rectangular waveform 2.0
5 μs sine or 3 μs rect. pulse
10 ms sine or 6 ms rect. pulse 80
TJ = 25 °C, IAS = 1 A, L = 6 mH 3.0 mJ
AS
Current decaying linearly to zero in 1 μs
Frequency limited by T
maximum VA = 1.5 x VR typical
J
Following any rated load
condition and with rated
V
applied
RRM
350
A
1.0 A
Document Number: 94157 For technical questions, contact: diodestech@vishay.com
Revision: 04-Mar-10 1
www.vishay.com
VS-20BQ030PbF
Vishay High Power Products
Schottky Rectifier, 2 A
ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
2 A
Maximum forward voltage drop V
FM
(1)
2 A
4 A 0.550
4 A 0.470
Maximum reverse leakage current I
Maximum junction capacitance C
Typical series inductance L
RM
T
S
T
= 125 °C 15
J
VR = 5 VDC, (test signal range 100 kHz to 1 MHz), 25 °C 200 pF
Measured lead to lead 5 mm from package body 2.0 nH
TJ = 25 °C
(1)
Maximum voltage rate of change dV/dt Rated V
T
= 25 °C
J
= 125 °C
T
J
V
= Rated V
R
R
R
0.470
0.370
0.5
10 000 V/μs
Note
(1)
Pulse width < 300 μs, duty cycle < 2 %
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction and
storage temperature range
Maximum thermal resistance,
junction to lead
Maximum thermal resistance,
junction to ambient
Approximate weight
Marking device Case style SMB (similar DO-214AA) V2E
Notes
dP
(1)
------------dT
(2)
Mounted 1" square PCB
1
tot
J
thermal runaway condition for a diode on its own heatsink
--------------<
R
thJA
(1)
T
, T
J
Stg
(2)
R
thJL
R
thJA
DC operation 25
- 55 to 150 °C
80
0.10 g
0.003 oz.
V
mA
°C/W
www.vishay.com For technical questions, contact: diodestech@vishay.com
Document Number: 94157
2 Revision: 04-Mar-10
VS-20BQ030PbF
10
1
Current (A)
- Instantaneous Forward
F
I
0.1
0.1 0.3 0.6 0.80.70.40.20
V
- Forward Voltage Drop (V)
FM
TJ = 150 °C
T
J
T
J
0.5
= 125 °C
= 25 °C
Schottky Rectifier, 2 A
100
10
0.1
0.01
- Reverse Current (mA)
R
0.001
I
0.0001
Vishay High Power Products
TJ = 150 °C
TJ = 125 °C
1
TJ = 25 °C
05 30
V
- Reverse Voltage (V)
R
TJ = 75 °C
TJ = 50 °C
TJ = 100 °C
201510
25
Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 2 - Typical Peak Reverse Current vs. Reverse Voltage
1000
TJ = 25 °C
100
- Junction Capacitance (pF)
T
C
10
02030
10
V
- Reverse Voltage (V)
R
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
100
10
D = 0.75
D = 0.50
D = 0.33
1
D = 0.25
D = 0.20
- Thermal Impedance (°C/W)
thJC
Z
0.1
0.00001 0.0001 0.001 0.01 0.1 1
Single pulse
(thermal resistance)
t1 - Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z
Notes:
1. Duty factor D = t
2. Peak TJ = PDM x Z
Characteristics
thJL
P
DM
t
1
t
2
.
1/t2
+ T
thJL
10 100
L
.
Document Number: 94157 For technical questions, contact: diodestech@vishay.com
www.vishay.com
Revision: 04-Mar-10 3
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