1.5KA6.8 thru 1.5KA47A
Document Number 88300
16-Aug-05
Vishay Semiconductors
www.vishay.com
1
* Patent #'s
4,980,315
5,166,769
5,278,094
P
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*
Case Style 1.5KA
Automotive Transient Voltage Suppressors
High Temperature Stability & High
Reliability Conditions
Major Ratings and Characteristics
V(BR) 6.8 V to 47 V
PPPM 1500 W
PD5.0 W
IFSM 200 A
Tj max. 185 °C
Features
• Patented PAR® construction
• Available in Unidirectional polarity only
• 1500 W peak pulse power capability with a
10/1000 µs waveform
• Excellent clamping capability
• Very fast response time
• Low incremental surge resistance
• Typical ID less than 1.0 µA above 15 V rating
• Solder Dip 260 °C, 40 seconds
Typical Applications
Use in sensitive electronics protection against voltage
transients induced by inductive load switching and
lighting on ICs, MOSFET, signal lines of sensor units
for consumer, computer, industrial, automotive, and
Telecommunication
Mechanical Data
Case: Molded plastic body over passivated junction
Epoxy meets UL-94V-0 Flammability rating
Terminals: Matte tin plated leads, solderable per
J-STD-002B and JESD22-B102D
E3 suffix for commercial grade, HE3 suffix for high
reliability grade (AEC Q101 qualified)
Polarity: Color band denotes cathode end
Maximum Ratings
(TA = 25 °C, unless otherwise noted)
Notes:
(1) Non-repetitive current pulse, per Fig. 3 and derated above TA = 25 °C per Fig. 2
(2) 8.3 ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minutes maximum
Parameter Symbol Limit Unit
Peak pulse power dissipation with a 10/1000 μs waveform(1) (Fig. 1) PPPM Minimum 1500 W
Peak pulse current at TA = 25 °C with a 10/1000 μs waveform(1)(Fig. 3) IPPM See Next Table A
Power dissipation on infinite heatsink at TL = 75 °C (Fig. 5) PD5.0 W
Peak forward surge current 8.3 ms single half sine-wave(2) IFSM 200 A
Maximum instantaneous forward voltage at 100 A(2) VF3.5 V
Operating junction and storage temperature range TJ, TSTG - 65 to + 185 °C
www.vishay.com
2
Document Number 88300
16-Aug-05
1.5KA6.8 thru 1.5KA47A
Vishay Semiconductors
Electrical Characteristics
(TA = 25 °C unless otherwise noted)
Notes:
(1) V(BR) measured after IT applied for 300 µs = square wave pulse or equivalent
(2) Surge current waveform per Fig. 3 and derate per Fig. 2
(3) All terms and symbols are consistent with ANSI/IEEE C62.35
Device Type
Breakdown Voltage
V(BR)(1) at IT
(V)
Te s t
Current
IT
(mA)
Stand-off
Voltage
VWM
(Volts)
Maximum
Reverse
Leakage
at VWM
ID (µA)
TJ = 150 °C
Maximum
Reverse
Leakage
at VWM
ID (µA)
Peak
Pulse
Current
IPPM(2)
(Amps)
Maximum
Clamping
Voltage
at IPPM
V C (Volts)
Maximum
Temp.
Coefficient
of
V(BR)
(% / °C)
Min Max
1.5KA6.8 6.12 7.48 10 5.50 1000 10000 139 10.8 0.057
1.5KA6.8A 6.45 7.14 10 5.80 1000 10000 143 10.5 0.057
1.5KA7.5 6.75 8.25 10 6.05 500 5000 128 11.7 0.061
1.5KA7.5A 7.13 7.88 10 6.40 500 5000 133 11.3 0.061
1.5KA8.2 7.38 9.02 10 6.63 200 2000 120 12.5 0.065
1.5KA8.2A 7.79 8.61 10 7.02 200 2000 124 12.1 0.065
1.5KA9.1 8.19 10.0 1.0 7.37 50 500 109 13.8 0.068
1.5KA9.1A 8.65 9.55 1.0 7.78 50 500 112 13.4 0.068
1.5KA10 9.00 11.0 1.0 8.10 20 200 100 15.0 0.073
1.5KA10A 9.50 10.5 1.0 8.55 20 200 103 14.5 0.073
1.5KA11 9.90 12.1 1.0 8.92 5.0 50 92.6 16.2 0.075
1.5KA11A 10.5 11.6 1.0 9.40 5.0 50 96.2 15.6 0.076
1.5KA12 10.8 13.2 1.0 9.72 2.0 10 86.7 17.3 0.076
1.5KA12A 11.4 12.6 1.0 10.2 2.0 10 89.8 16.7 0.078
1.5KA13 11.7 14.3 1.0 10.5 2.0 10 78.9 19.0 0.081
1.5KA13A 12.4 13.7 1.0 11.1 2.0 10 82.4 18.2 0.081
1.5KA15 13.5 16.3 1.0 12.1 1.0 10 68.2 22.0 0.084
1.5KA15A 14.3 15.8 1.0 12.8 1.0 10 70.8 21.2 0.084
1.5KA16 14.4 17.6 1.0 12.9 1.0 10 63.8 23.5 0.086
1.5KA16A 15.2 16.8 1.0 13.6 1.0 10 66.7 22.5 0.086
1.5KA18 16.2 19.8 1.0 14.5 1.0 10 56.6 26.5 0.088
1.5KA18A 17.1 18.9 1.0 15.3 1.0 10 59.5 25.2 0.088
1.5KA20 18.0 22.0 1.0 16.2 1.0 10 51.5 29.1 0.090
1.5KA20A 19.0 21.0 1.0 17.1 1.0 10 54.2 27.7 0.090
1.5KA22 19.8 24.2 1.0 17.8 1.0 10 47.0 31.9 0.092
1.5KA22A 20.9 23.1 1.0 18.8 1.0 10 49.0 30.6 0.092
1.5KA24 21.6 26.4 1.0 19.4 1.0 10 43.2 34.7 0.094
1.5KA24A 22.8 25.2 1.0 20.5 1.0 10 45.2 33.2 0.094
1.5KA27 24.3 29.7 1.0 21.8 1.0 10 38.4 39.1 0.096
1.5KA27A 25.7 28.4 1.0 23.1 1.0 10 40.0 37.5 0.096
1.5KA30 27.0 33.0 1.0 24.3 1.0 10 34.5 43.5 0.097
1.5KA30A 28.5 31.5 1.0 25.6 1.0 10 36.2 41.4 0.097
1.5KA33 29.7 36.3 1.0 26.8 1.0 10 31.4 47.7 0.098
1.5KA33A 31.4 34.7 1.0 28.2 1.0 10 32.8 45.7 0.098
1.5KA36 32.4 39.6 1.0 29.1 1.0 10 28.8 52.0 0.099
1.5KA36A 34.2 37.8 1.0 30.8 1.0 10 30.1 49.9 0.099
1.5KA39 35.1 42.9 1.0 31.6 1.0 10 26.6 56.4 0.100
1.5KA39A 37.1 41.0 1.0 33.3 1.0 10 27.8 53.9 0.100
1.5KA43 38.7 47.3 1.0 34.8 1.0 20 24.2 61.9 0.101
1.5KA43A 40.9 45.2 1.0 36.8 1.0 20 25.3 59.3 0.101
1.5KA47 42.3 51.7 1.0 38.1 1.0 20 22.1 67.8 0.101
1.5KA47A 44.7 49.4 1.0 40.2 1.0 20 23.1 64.8 0.101
1.5KA6.8 thru 1.5KA47A
Document Number 88300
16-Aug-05
Vishay Semiconductors
www.vishay.com
3
Ratings and Characteristics Curves
(TA = 25 °C unless otherwise noted)
Figure 1. Peak Pulse Power Rating Curve
Figure 2. Pulse Power or Current versus Initial Junction
Temperature
Figure 3. Pulse Waveform
0.1
1.0
10
100
Non-repetitive Pulse
Waveform shown in Fig. 3
T
A
= 25 °C
0.1 µs 1.0 µs 10 µs 100 µs 1.0 µs 10 µs
td - Pulse Width (sec.)
P
PPM
- Peak Pulse Power (kW)
0
25
50
75
100
07525 50 100 125 150 175 200
Peak Pulse Power (PPP)orCurrent (IPP)
Derating in Percentage, %
T
J
- Initial Temperature (°C)
0
50
100
150
I
PPM
-PeakPulse Current, %I
RSM
Half Value - IPP
IPPM 2
td
10/1000 µsec. Waveform
as defined by R.E.A.
01.0 2.0 3.0 4.0
t - Time (ms)
TJ = 25 °C
Pulse Width (td)
is defined as the point
where the peak current
decays to 50 % of IPPM
tr = 10 µsec.
Peak Value
IPPM
Figure 4. Typical Junction Capacitance Unidirectional
Figure 5. Power Derating Curve
Figure 6. Maximum Non-Repetitive/Peak Forward Surge Current
Measured at
Zero Bias
Measured at
Stand-Of
Voltage, V
WM
T
J
=25°C
f = 1.0 MHz
Vsig = 50 mVp-p
101.0 100
V
(BR)
- BreakdownVoltage (V)
C
J
-Junction Capacitance (pF)
100
1000
10000
20000
0
1.25
2.5
3.75
5.0
07525 100 125 150 175 200
50
P
D
, Power Dissipation (W)
T
L
- Lead Temperature (°C)
L = 0.375” (9.5 mm)
Lead Lengths
60 Hz Resistive
or Inductive Load
1 10 100
I
FSM
-PeakForward Surge Current (A)
Number of Cycles at 60H
Z
10
100
200
TL = 75 °C
8.3 ms Single Half Sine-Wave
www.vishay.com
4
Document Number 88300
16-Aug-05
1.5KA6.8 thru 1.5KA47A
Vishay Semiconductors
Package outline dimensions in inches (millimeters)
1.0 (25.4)
MIN.
1.0 (25.4)
MIN.
0.375 (9.5)
0.285 (7.2)
0.210 (5.3)
0.190 (4.8)
DIA.
0.042 (1.07)
0.038 (0.96)
DIA.
Case Style 1.5KA
