P4KE6.8 THRU P4KE440CA
Features
· Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
· Glass passivated junction
· 400W peak pulse power capability with a 10/100μS
waveform, reptition rate(duty cycle) : 0.01%
· Excellent clamping capability
· Low incremental surge resistance
· Fast response time : typically less than 1.0ps from 1 Volts to
V
(BR)
for uni-directional and 5.0ns for Bi-directional types
· Devices with V
(BR)
> 10V, I
D
are typically less than 1.0
μ
A
· High temperature soldering guaranteed : 265
℃
/10seconds,
0.375"(9.5mm) lead length, 5lbs. (2.3kg) tension
POWER 400Watts
VOLTAGE 6.8 to 440 Volts
DO-41
0.107(2.7)
0.080(2.0)
DIA.
1.0(25.4)
MIN.
Mechanical Data
· Case : DO-41 molded plastic body over passivated junction
· Terminals : Solder plated axial leads, solderable per
MIL-STD-750, method 2026
· Polarity : For uni-directional types the color band denotes
cathode end. which is positive with respect to the
anode under normal TVS operation
· Mounting Position : Any
· Weight : 0.012 ounce, 0.34 gram
0.205(5.2)
0.166(4.2)
0.034(0.9)
0.028(0.7)
DIA.
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
Devices For Bidirectional Applications
· For bi-directional use C or CA suffix for types P4KE7.5 thru types P4KE440CA(e.g. P4KE10C, P4KE220CA),
electrical characteristics apply in both directions.
Maximum Ratings And Electrical Characteristics
(Ratings at 25℃ ambient temperature unless otherwise specified)
Symbols
Peak power dissipation with a 10/100μS waveform (Note 1. Fig. 3)
Peak pulse current with a 10/100μS waveform (Note 1)
Steady state power dissipation at T
L
=75℃ lead length 0.375"(9.5mm) (Note2)
Peak forward surge current, 8.3mm single half sine-wave superimposed on
rated load(JEDEC method) (Note 3)
Maximum instantaneous forward voltage at 25A for unidirectional only(Note4)
Operating junction and storage temperature range
P
PPM
I
PPM
P
M(AV)
I
FSM
V
F
T
J
,T
STG
Values
Min.400
See Table 1
1.0
40.0
3.5/50
-55 to +175
Units
Watts
Amps
Watts
Amps
Volts
℃
Notes:
(1) Non repetitive current pulse, per Fig.3 and derated above T
A
=25℃ per Fig.2
(2) Mounted on copper pads area of 1.6×1.6"(40×40mm) per Fig.5
(3) Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle=4 pulse per minute maximum
(4) V
F
=3.5 Volts max. for devices of V
(BR)
≤220V,
and V
F
=5.0 Volts max. for devices of V
(BR)
>220V
RATINGS AND CHARACTERISTIC CURVES P4KE6.8 THRU P4KE440CA
FIG.1-PEAK PULSE POWER RATING CURVE
100
P
PPM
, PEAK PULSE POWER, KW
NON-REPETITIVE
PULSE WAVEFORM
SHOWN IN FIG.3
T
A
=25℃
FIG.2-PULSE DERATING CURVE
100
PEAK PULSE POWER(P
PP
) OR CURRENT
(I
PPM
) DERATING IN PERCENTAGE,%
75
10
50
1.0
25
0.1
0.1mS
0
0
25
50
75
100
125
150
175
200
T
A
, AMBIENT TEMPERATURE (℃)
1.0mS
10mS
100mS
1.0mS
10mS
td, PULSE WIDTH, sec.
FIG.3-PULSE WAVEFORM
150
tr=10msec.
PULSE WIDTH (td) is DEFINED
as the POINT WHERE the PEAK
CURRENT DECAYS to 50% of I
PPM
FIG.4-TYPICAL JUNCTION CAPACITANCE
UNIDIRECTIONAL
100,000
T
J
=25℃
f=1.0MHz
Vsig=50mVp-p
P
PPM
, PEAK PULSE current, %
100
C
J
,JUNCTION CAPACITANCE,pF
PEAK VALUE
I
PPM
10,000
MEASURED at
ZERO BIAS
HALF VALUE-I
PPM
2
50
10/100msec.WAVEFORM
as DEFINED by R.E.A.
td
1000
MEASURED at
STAND-OFF
VOLTAGE, V
WM
0
0
1.0
2.0
t, TIME, ms
3.0
4.0
10
1.0
10
100
200
V
(BR)
, BREAKDOWN VOLTAGE, VOLTS
FIG.5-STEADY STATE POWER DERATING CURVE
1.00
PM
(AV)
, STEADY STATE POWER
DISSIPATION, WATTS
L=0.375"(9.5mm)
LEAD LENGTHS
60Hz
RESISTIVE OR INDUCTIVE LOAD
FIG.6-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT UNIDIRECTIONAL ONLY
I
FSM
, PEAK FORWARD SURGE CURRENT,
AMPERES
50
40
30
20
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0.75
0.50
1.6X1.6X0.040"
(40X40X1mm)
COPPER HEAT SINKS
0.25
0
0
25
10
0
1
10
NUMBER OF CYCLES AT 60HZ
200
50
75
100
125
150
175
200
T
L
, LEAD TEMPERATURE (℃)
Embedded System
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