P6KA6.8 thru P6KA43A
Vishay Semiconductors
formerly General Semiconductor
Automotive Transient Voltage Suppressors
DO-204AC (DO-15)
d*
Features
nte
ate
P
Breakdown Voltage
6.8 to 43V
Peak Pulse Power
600W
0.034 (0.86)
0.028 (0.71)
Dia.
1.0 (25.4)
min.
0.300 (7.6)
0.230 (5.8)
• Designed for under the hood applications
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Exclusive patented PAR
®
oxide passivated chip
construction
• 600W peak pulse power surge 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
• High temperature soldering guaranteed:
300°C/10 seconds, 0.375" (9.5mm) lead length,
5lbs. (2.3kg) tension
0.140 (3.6)
0.104 (2.6)
Dia.
1.0 (25.4)
min.
Mechanical Data
Case:
JEDEC DO-204AC molded plastic body over
passivated junction
Terminals:
Solder plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity:
For unidirectional types the color band
denotes the cathode, which is positive with respect
to the anode under normal TVS operation
Mounting Position:
Any
Weight:
0.015 oz., 0.4 g
Packaging codes/options:
1/4K per Bulk Box, 40K/box
4/4K per 13" Reel, 16K/box
23/2K per Ammo mag., 18K/box
Available in uni-directional only
Dimensions in inches and (millimeters)
*
Patent #’s
4,980,315
5,166,769
5,278,094
Maximum Ratings and Thermal Characteristics
(T
Parameter
Peak pulse power dissipation with a 10/1000µs
(1)
(Fig. 1)
Pulse pulse current with a 10/1000µs waveform
(1)
(Fig. 3)
Steady state power dissipation at T
L
= 75°C
lead lengths 0.375" (9.5mm)
(2)
Peak forward surge current, 8.3ms single half sine-wave
(3)
Maximum instantaneous forward voltage at 50A
(3)
Operating junction and storage temperature range
Symbol
P
PPM
I
PPM
P
M(AV)
I
FSM
V
F
T
J
, T
STG
A
= 25°C unless otherwise noted)
Value
Minimum 600
See Next Table
5.0
75
3.5
–65 to +185
Unit
W
A
W
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 copper pad area of 1.6 x 1.6” (40 x 40mm) per Fig. 5
(3) Measured on 8.3ms single half sine-wave, or equivalent square wave, duty cycle = 4 pulses per minutes maximum
Document Number 88368
06-May-02
www.vishay.com
1
P6KA6.8 thru P6KA43A
Vishay Semiconductors
formerly General Semiconductor
Ratings and
Characteristic Curves
(T
A
= 25°C unless otherwise noted)
Fig. 1 – Peak Pulse Power Rating Curve
P
PPM
— Peak Pulse Power (kW)
Non-repetitive Pulse
Waveform shown in Fig. 3
T
A
= 25°C
10
Fig. 2 – Pulse Derating Curve
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage, %
100
100
75
50
1
25
0.1
0.1µs
1.0µs
10µs
100µs
1.0ms
10ms
0
0
25
50
75
100
125
150
175
200
td — Pulse Width (sec.)
T
A
— Ambient Temperature (°C)
Fig. 3 – Pulse Waveform
150
6,000
Fig. 4 – Typical Junction Capacitance
C
J
— Junction Capacitance (pF)
T
J
= 25°C
f = 1.0MHz
Vsig = 50mVp-p
1,000
Measured at
Zero Bias
I
PPM
— Peak Pulse Current, % I
RSM
tr = 10µsec.
Peak Value
I
PPM
100
T
J
= 25°C
Pulse Width (td)
is defined as the point
where the peak current
decays to 50% of I
PPM
Half Value — IPP
2
I
PPM
50
10/1000µsec. Waveform
as defined by R.E.A.
100
Measured at
Stand-Off
Voltage, V
WM
td
0
10
0
1.0
2.0
3.0
4.0
1.0
10
100
200
t — Time (ms)
V
(BR)
— Breakdown Voltage (V)
PM
(AV)
, Steady State Power Dissipation (W)
Fig. 5 – Steady State Power
Derating Curve
I
FSM
— Peak Forward Surge Current (A)
5.0
60H
Z
Resistive
or Inductive Load
3.75
L = 0.375" (9.5mm)
Lead Lengths
200
Fig. 6 - Maximum Non-Repetitive/Peak
Forward Surge Current
T
L
= 75°C
8.3ms Single Half Sine-Wave
(JEDEC Method)
100
2.5
1.6 x 1.6 x 0.040"
(40 x 40 x 1mm)
Copper Heat Sinks
1.25
0
10
1
10
100
0
25
50
75
100
125
150
175
200
T
L
— Lead Temperature (°C)
Number of Cycles at 60H
Z
Document Number 88368
06-May-02
www.vishay.com
3
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