TPSMA6.8 THRU TPSMA43A
SURFACE MOUNT AUTOMOTIVE TRANSIENT VOLTAGE SUPPRESSOR
Breakdown Voltage - 6.8 to 43.0 Volts Peak Pulse Power - 400 Watts
FEATURES
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Ideal for automated placement
Low profile package
Built-in strain relief
Exclusive patented PARTM oxide passivated
chip construction
400W peak pulse power capability with a 10/1000
s
waveform, repetition rate (duty cycle): 0.01%
Excellent clamping capability
Low incremental surge resistance
Fast response time: typically less than 1.0ps from 0 Volts
to V
(BR)
min.
For devices with V
(BR)
10V I
D
are typically less than
1.0
A at T
A
=150C
Designed for under the hood surface mount
applications
High temperature soldering:
250C/10 seconds at terminals
MECHANICAL DATA
Case: JEDEC DO-214AC molded plastic body over
passivated chip
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes positive end (cathode)
Mounting Position: Any
Weight: 0.002 ounces, 0.064 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
RATINGS
SYMBOLS
VALUE
UNITS
Peak power dissipation with a 10/1000
s waveform,
(NOTES 1, 2 FIG. 3)
P
PPM
Minimum 400
Watts
Peak power pulse current with a
10/1000
s waveform
(NOTE 1, FIG. 1)
I
PPM
SEE TABLE 1
Amps
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
(NOTE 3)
I
FSM
40.0
Amps
Maximum instantaneous forward voltage at 25A
(NOTE 3)
V
F
3.5
Volts
Operating junction and storage temperature range
T
J
, T
STG
-65 to +185
C
NOTES:
(1) Non-repetitive current pulse, per Fig.3 and derated above T
A
=25C 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
1/21/99
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 (0.203) MAX.
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)
Available in uni-directional only
DO-214AC
MODIFIED J-BEND
Dimensions in inches and (millimeters)
P
A
TENTED
0
1
2
3
4
0
100
150
50
0
25
50
75
100
125
150
175
200
0
25
50
75
100
1.0
s
10
s
100
s
1.0ms
10ms
0.1
1.0
10
100
0.1
s
MAXIMUM RATINGS AND CHARACTERISTIC CURVES TPSMA6.8 THRU TPSMA43A
FIG. 1 - PEAK PULSE POWER RATING CURVE
P
PPM
, PEAK POWER, kW
td, PULSE WIDTH, sec.
T
A
, AMBIENT TEMPERATURE, C
FIG. 3 - PULSE WAVEFORM
t, TIME, ms
I
PPM,
PEAK PULSE CURRENT
, %
PEAK PULSE POWER (P
PP
) or CURRENT
(I
PP
)
DERA
TING IN PERCENT
AGE, %
NON-REPETITIVE
PULSE WAVEFORM
SHOWN IN FIG. 3
T
A
= 25C
0.2 x 0.2" (5.0 x 5.0mm) COPPER PAD AREAS
PULSE WIDTH (td) is DEFINED
as the POINT WHERE the PEAK
CURRENT DECAYS to 50% of I
PP
tr=10
sec.
td
HALF VALUE - I
PP
2
10/1000
sec. WAVEFORM
as DEFINED by R.E.A.
PEAK VALUE
I
PPM
FIG. 2 - PULSE DERATING CURVE
1
2
5
10
20
50
100
200
10
100
1,000
10,000
1
5
10
50
100
10
50
100
200
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
V
(BR)
, BREAKDOWN VOLTAGE, VOLTS
NUMBER OF CYCLES AT 60 H
Z
C
J
, JUNCTION CAP
ACIT
ANCE, pF
I
FSM,
PEAK FOR
W
ARD SURGE CURRENT
,
AMPERES
MEASURED at
ZERO BIAS
MEASURED at
STAND-OFF
VOLTAGE, V
WM
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
T
J
=T
J
max
FIG. 5 - MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
T
J
=25 C
f=1 MHz
Vsig=50mVp-p
MAXIMUM RATINGS AND CHARACTERISTIC CURVES TPSMA6.8 THRU TPSMA43A
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