TPSMA6.8 thru TPSMA43A
Vishay Semiconductors
formerly General Semiconductor
Surface Mount Automotive
Transient Voltage Suppressors
DO-214AC (SMA)
Cathode Band
0.065 (1.65)
0.049 (1.25)
0.110 (2.79)
0.100 (2.54)
ed*
ent
at
P
Dimensions in inches
and (millimeters)
Breakdown Voltage
6.8 to 43.0V
Peak Pulse Power
400W
Mounting Pad Layout
0.060 MIN
(1.52 MIN)
0.177 (4.50)
0.157 (3.99)
0.012 (0.305)
0.006 (0.152)
0.094 MAX
(2.38 MAX)
0.050 MIN
(1.27 MIN)
0.220 REF
(5.58)
0.090 (2.29)
0.078 (1.98)
0.060 (1.52)
0.030 (0.76)
0.008 (0.203) MAX.
0.208 (5.28)
0.194 (4.93)
*Patent #’s
4,980,315
5,166,769
5,278,094
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Ideal for automated placement
• Low profile package
• Built-in strain relief
• Exclusive patented PAR
®
oxide passivated
chip construction
• 400W peak pulse power capability with a
10/1000ms waveform, repetition rate
(duty cycle): 0.01%
• Excellent clamping capability
• Low incremental surge resistance
• Very fast response time
• For devices with V
(BR)
≥
10V I
D
are typically
less than 1.0mA at T
A
= 150°C
• Designed for under the hood surface mount
applications
• High temperature soldering:
250°C/10 seconds at terminals
A
Available in uni-directional only
Mechanical Data
Case:
JEDEC DO-214AC molded plastic body over
passivated chip
Terminals:
Solder plated, solderable per
MIL-STD-750, Method 2026
Polarity:
The color band denotes the cathode,
which is positive with respect to the anode under
normal TVS operation
Mounting Position:
Any
Weight:
0.002 oz., 0.064 g
Packaging codes/options:
5A/7.5K per 13" Reel (12mm Tape), 90K/box
11/1.8K per 7" Reel (12mm Tape), 36K/box
Maximum Ratings and Thermal Characteristics
(T
Parameter
Peak power dissipation with a 10/1000µs waveform
(1)(2)
(Fig. 3)
Peak power pulse current with a
10/1000µs waveform
(1)
(Fig. 1)
Peak forward surge current 8.3ms single half sine-wave
(3)
Maximum instantaneous forward voltage at 25A
(3)
Operating junction and storage temperature range
Symbol
P
PPM
I
PPM
I
FSM
V
F
T
J
, T
STG
= 25°C unless otherwise noted)
Value
Minimum 400
See Next Table
40
3.5
–65 to +185
Unit
W
A
A
V
°C
Notes:
(1) Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 25°C per Fig. 2
(2) Mounted on P.C.B. with 0.2 x 0.2” (5.0 x 0.5mm) copper pads attached to each terminal
(3) Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minutes maximum
Document Number 88405
06-May-02
www.vishay.com
1
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