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Dc Components
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P4KE6.8A Datasheet Preview

P4KE6.8A Datasheet

TRANSIENT VOLTAGE SUPPRESSOR

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P4KE6.8A pdf
DC COMPONENTS CO., LTD.
R RECTIFIER SPECIALISTS
P4KE6.8
THRU
P4KE440CA
TECHNICAL SPECIFICATIONS OF TRANSIENT VOLTAGE SUPPRESSOR
VOLTAGE RANGE - 6.8 to 440 Volts PEAK PULSE POWER - 400 Watts
FEATURES
* Glass passivated junction
* 400 Watts Peak Pulse Power capability on
10/1000 µs waveform
* Excellent clamping capability
* Low zener impedance
* Fast response time
DO-41
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: MIL-STD-202E, Method 208 guaranteed
* Polarity: Color band denotes positive end (cathode)
except bidirectional types
* Mounting position: Any
* Weight: 0.3 gram
1.0 (25.4)
MIN.
.034 (0.9)
.028 (0.7) DIA.
.205 (5.2)
.166 (4.2)
1.0 (25.4)
MIN.
.107 (2.7)
.080 (2.0) DIA.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25OC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load,
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA suffix (e.g. P4KE6.8C, P4KE440CA).
Electrical characteristics apply in both directions
Peak Pulse Power Dissipation on 10/1000 µs waveform
(Note1,FIG.1)
Steady State Power Dissipation at T = 75OC
Lead Lengths .375"(9.5mm) (Note 2)
SYMBOL
PPPM
PM(AV)
VALUE
Minimum 400
1.0
Peak Forward Surge Current, 8.3ms single half sine-wave
superimposed on rated load(JEDEC Method) (Note 3)
IFSM
Maximum Instantaneuos Forwaard Voltage at 50A for Unidirectional
only (Note 4)
VF
Operating and Storage Temperature Range
TJ , TSTG
NOTES : 1. Non-repetitive current pulse, per Fig.3 and derated above TA = 25OC per Fig. 2.
2. Mounted on Copper Leaf area of 1.6 X 1.6"( 40 X 40mm ) per Fig. 5
3. 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
4. VF = 3.5V max. for devices of V(BR) <= 200V max. and VF = 6.5V max. for devices of V(BR) > 200V.
40
3.5/6.5
-55 to + 175
UNITS
Watts
Watts
Amps
Volts
OC



Dc Components
Dc Components

P4KE6.8A Datasheet Preview

P4KE6.8A Datasheet

TRANSIENT VOLTAGE SUPPRESSOR

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P4KE6.8A pdf
RATING AND CHARACTERISTIC CURVES (P4KE6.8 THRU P4KE440CA)
FIG. 1 - PEAK PULSE POWER RATING CURVE
100
Non-Repetitive
Pulse Waveform
Shown in Fig.3
TA = 25OC
10
1.0
0.1
0.1µS
1.0µS 10µS 100µS 1.0mS
TP, PULSE WIDTH, sec
10mS
FIG. 3 - PULSE WAVEFORM
150
tr = 10 µsec.
Pulse Width (td) is Defined
as the Point Where the Peak
Current Decays to 50% of IPPM
Peak Value
100
IPPM
HALF VALUE - IPPM
2
10/1000µsec. Waveform
as Defined by R.E.A.
50
FIG. 2 - PULSE DERATING CURVE
100
75
50
25
0
0 25 50 75 100 125 150 175 200
TA, AMBIENT TEMPERATURE, (OC)
10000
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
f = 1.0 MHz
Vsig = 50mVp-p
TJ = 25OC
Measured at
Zero Bias
1000
Measured at
Stand off
Voltage, VWM
100
0 td
0 1.0
2.0
t, TIME, mS
3.0
4.0
10
1.0
10 100
V(BR), BREAKDOWN VOLTAGE, VOLTS
200
FIG. 5 - STEADY STATE POWER DERTING CURVE
1.00
0.75
L = 0.375”(9.5mm)
Lead Lengths
60Hz
Resistive or Inductive Load
0.50
0.25
1.6X1.6X0.040”
(40X40X1mm)
Copper Heat Sinks
0
0 25 50 75 100 125 150 175 200
TL, LEAD TEMPERATURE (OC)
FIG. 6 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT UNIDIRECTIONAL
60
8.3ms Single Half Sine-Wave
50 (JEDEC Method)
40
30
20
10
0
1 10 100
NUMBER OF CYCLES AT 60 Hz
FIG. 7 - TYPICAL REVERSE LEAKAGE
CHARACTERISTICS
100
Measured at Devices
Stand - off
Voltage, VWM
10
1.0
TJ = 25OC
0.1
0.01
0
100 200 300 400
V(BR), BREAKDOWN VOLTAGE, VOLTS
500
DC COMPONENTS CO., LTD.
R


Part Number P4KE6.8A
Description TRANSIENT VOLTAGE SUPPRESSOR
Maker Dc Components
Total Page 4 Pages
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P4KE6.8A pdf
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