TPSMA68 Datasheet, PDF (1/3 Pages) Vishay Siliconix – Surface Mount Automotive Transient Voltage Suppressors

0.065 (1.65)
0.049 (1.25)
0.090 (2.29)
0.078 (1.98)
TPSMA6.8 thru TPSMA43A
Vishay Semiconductors
formerly General Semiconductor
Surface Mount Automotive
Transient Voltage Suppressors
DO-214AC (SMA)
Cathode Band
0.110 (2.79)
0.100 (2.54)
Patented* Breakdown Voltage 6.8 to 43.0V
Peak Pulse Power 400W
Mounting Pad Layout
0.060 MIN
(1.52 MIN)
0.094 MAX
(2.38 MAX)
0.177 (4.50)
0.157 (3.99)
Dimensions in inches
and (millimeters)
0.012 (0.305)
0.006 (0.152)
0.050 MIN
(1.27 MIN)
0.220 REF
(5.58)
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
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
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 ID are typically
less than 1.0mA at TA = 150°C
• Designed for under the hood surface mount
applications
• High temperature soldering:
250°C/10 seconds at terminals
Maximum Ratings and Thermal Characteristics (TA = 25°C unless otherwise noted)
Parameter
Symbol
Value
Unit
Peak power dissipation with a 10/1000µs waveform⁽¹⁾⁽²⁾ (Fig. 3)
PPPM
Minimum 400
W
Peak power pulse current with a
10/1000µs waveform⁽¹⁾ (Fig. 1)
IPPM
See Next Table
A
Peak forward surge current 8.3ms single half sine-wave⁽³⁾
IFSM
40
A
Maximum instantaneous forward voltage at 25A⁽³⁾
VF
3.5
V
Operating junction and storage temperature range
TJ, TSTG
–65 to +185
°C
Notes: (1) Non-repetitive current pulse, per Fig. 3 and derated above TA = 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