B330LA & B340A
New Product
Vishay Semiconductors
formerly General Semiconductor
High-Current Density Surface Mount Schottky Rectifier
DO-214AC (SMA)
Cathode Band
Reverse Voltage
30 & 40V
Forward Current
3.0A
0.065 (1.65)
0.049 (1.25)
0.110 (2.79)
0.100 (2.54)
Mounting Pad Layout
0.066 MIN.
(1.68 MIN.)
0.094 MAX.
(2.38 MAX.)
0.177 (4.50)
0.157 (3.99)
0.012 (0.305)
0.006 (0.152)
0.052 MIN.
(1.32 MIN.)
0.220
(5.58) REF
0.090 (2.29)
0.078 (1.98)
Dimensions in inches
and (millimeters)
0.008 (0.203) MAX.
0.208 (5.28)
0.194 (4.93)
0.060 (1.52)
0.030 (0.76)
Features
•
•
•
•
Mechanical Data
Case:
JEDEC DO-214AC molded plastic body
Terminals:
Solder plated, solderable per
MIL-STD750, Method 2026
High temperature soldering guaranteed:
250°C/10 seconds at terminals
Polarity:
Color band denotes cathode end
Weight:
0.002 ounce, 0.064 gram
A
Low power loss, high efficiency
Low profile surface mount package
Built-in strain relief
For use in low voltage high frequency inverters, free
wheeling, and polarity protection applications
• Guardring for overvoltage protection
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Maximum Ratings and Thermal Characteristics
(T
Parameter
Device marking code
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
at T
L
(See Fig. 1)
Peak forward surge current 8.3ms single half
sine-wave superimposed on rated load (JEDEC Method)
Typical thermal resistance
(2)
Operating junction temperature range
Storage temperature range
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
R
ΘJA
R
ΘJL
T
J
T
STG
(T
A
= 25°C unless otherwise noted)
= 25°C unless otherwise noted)
Symbol
B330LA
B33
30
21
30
3.0
65
110
28
-65 to +150
-65 to +150
B340A
B34
40
28
40
Unit
V
V
V
V
A
A
°C/W
°C
°C
Electrical Characteristics
Parameter
Maximum instantaneous
forward voltage at 3.0A
(1)
Maximum DC reverse current
at rated DC blocking voltage
(1)
Symbol
T
J
=25°C
T
J
=25°C
V
F
I
R
Max.
0.50
0.5
Max.
0.55
0.5
Unit
V
mA
Notes:
(1) Pulse test: 300µs pulse width, 1% duty cycle
(2) Aluminum substrate mounted
Document Number 88896
08-Dec-03
www.vishay.com
1
B330LA & B340A
Vishay Semiconductors
formerly General Semiconductor
Ratings and
Characteristic Curves
(T
A
= 25°C unless otherwise noted)
Fig. 1 – Forward Current
Derating Curve
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
25
50
75
100
125
150
B330LA
B340A
80
Fig. 2 – Maximum Non-Repetitive
Peak Forward Surge Current
Peak Forward Surge Current (A)
Average Forward Current (A)
60
40
20
0
1
10
100
Lead T
emperature (°C)
Number of Cycles at 60 H
Z
Fig. 3 – Typical Instantaneous
Forward Characteristics
100
100
Fig. 4 – Typical Reverse
Characteristics
Instantaneous Reverse Current (mA)
T
J
= 150°C
10
T
J
= 125°C
1
Instantaneous Forward Current (A)
10
T
J
= 125°C
1
T
J
= 25°C
0.1
B330LA
B340A
0.01
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9 1.0
0.1
B330LA
B340A
T
J
= 25°C
0.01
0.001
0
20
40
60
80
100
Instantaneous Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig. 5 – Typical Junction
Capacitance
1000
T
J
= 25°C
f = 1.0 MH
Z
Vsig = 50mVp-p
pF - Junction Capacitance
100
10
1
B330LA
B340A
10
100
Reverse Voltage (V)
www.vishay.com
2
Document Number 88896
08-Dec-03
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