![](http://datasheet.mmic.net.cn/260000/SSA33L_datasheet_15972838/SSA33L_1.png)
Maximum Ratings and Thermal Characteristics
(T
A
= 25°C unless otherwise noted)
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)
Symbol
SSA33L
33L
30
21
30
SSA34
S34
40
28
40
Unit
V
V
V
V
V
RRM
V
RMS
V
DC
I
F(AV)
3.0
A
I
FSM
75
A
Typical thermal resistance
(2)
R
Θ
JA
R
Θ
JL
dv/dt
T
J
T
STG
110
28
10,000
-65 to +150
-65 to +150
°C/W
Voltage rate of change (rated V
R
)
Operating junction temperature range
Storage temperature range
Electrical Characteristics
(T
A
= 25°C unless otherwise noted)
Parameter
Maximum instantaneous
forward voltage at 3.0A
(1)
Maximum DC reverse current
at rated DC blocking voltage
(1)
V/μs
°C
°C
Symbol
Typ.
0.43
0.34
–
20
Max.
0.45
0.38
0.5
35
Typ.
0.46
0.38
–
17
Max.
0.49
0.42
0.2
30
Unit
V
T
=25°C
T
J
=125°C
T
J
=25°C
T
J
=125°C
V
F
I
R
mA
Notes
: (1) Pulse test: 300
μ
s pulse width, 1% duty cycle
(2) Aluminum substrate mounted
SSA33L and SSA34
Vishay Semiconductors
formerly General Semiconductor
Document Number 88883
16-Jun-04
www.vishay.com
1
High-Current Density Surface Mount Schottky Rectifier
Reverse Voltage
30 & 40V
Forward Current
3.0A
0.157 (3.99)
0.177 (4.50)
0.006 (0.152)
0.012 (0.305)
0.030 (0.76)
0.060 (1.52)
0.008 (0.2)
0 (0)
0.194 (4.93)
0.208 (5.28)
0.100 (2.54)
0.110 (2.79)
0.078 (1.98)
0.090 (2.29)
0.049 (1.25)
0.065 (1.65)
Cathode Band
0.106 (2.70)
0.130 (3.30)
Mounting Pad Layout
Features
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
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
Dimensions in inches
and (millimeters)
DO-214AC (SMA)
0.074 MAX.
(1.88 MAX.)
0.208
(5.28) REF
0.066 MIN.
(1.68 MIN.)
0.060 MIN.
(1.52 MIN.)
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