Silicon Avalanche Diodes
282 www.littelfuse.com
400W Axial Leaded Transient Voltage Supressors
FEATURES
RoHS compliant
Plastic package
Glass passivated chip junction in DO-41 Package
400W surge capability at 10/1000 µs wave form
Excellent clamping capability
Low zener impedance
Fast response time: typically less than 1.0ps from 0 Volts
to BV min.
Typical IR less than 1µA above 10V
(9.5mm) lead length, 5lbs., (2.3kg) tension
Agency Approvals: Recognized under the Components Program
of Underwriters Laboratories.
Agency File Number: E128662
P4KE Series
®
MAXIMUM RATINGS AND CHARACTERISTICS
@25˚C AMBIENT TEMPERATURE (unless otherwise noted)
PARAMETER
Peak Pulse Power Dissipation at
TA=25˚C, TP=1ms (note 1)
Steady State Power Dissipation at
TL=75˚C, Lead lenghts .375”,
(9.5mm)(note2)
Peak Forward Surge Current, 8.3ms
Single Half SIne Wave Superimposed
on Rated Load, (JEDEC Method)
(note 3)
Operating junction and Storage
Temperature Range
VALUE
Min
400
1
40
-55 to +175
UNIT
Watts
Watts
Amps
°C
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above
TA=25˚C per Fig 2.
2. 8.3ms single half sine-wave , or equivalent square wave, Duty
cycle = 4 pulses per minutes maximum.
SYMBOL
PPPM
PM(AV)
IFSM
Tj, TsTG
P4KE CA
Voltage
Bi-Directional
Packaging Option
5% Voltage T olerance
B= Bulk (500 pcs)
T= Tape and reeled (5000 pcs)
ORDERING INFORMATION
Mechanical Specifications:
Weight: 0.012ounce, 0.3 gram
Case: JEDEC DO-41 Molded Plastic over
passivated junction
Mounting Position: Any
Polarity: Color band denotes cathode except
Bipolar
Terminal: Plated Axial leads, solderable per
MIL-STD-750, Method 2026
RoHS
Silicon Avalanche Diodes
283
www.littelfuse.com
6
SILICON DIODE
ARRAYS
400W Axial Leaded Transient Voltage Supressors
Part
Number
(Uni)
Part
Number
(Bi)
Breakdown
Voltage
VBR (Volts)
MIN.@ IT
Maximum
Reverse
Leakage
IR@ VRWM
(µA)
Maximum
Clamping
Voltage
VC@ IPP
(Volts)
Maximum
Peak Pulse
Current
IPP
(A)
P4KE Series
ELECTRICAL SPECIFICATION @ Tamb 25°C
®
Reverse
Stand off
Voltage
VRWM
(Volts) MIN MAX
P4KE6.8A P4KE6.8CA 5.80 6.45 7.14 10 10.5 39.00 1000
P4KE7.5A P4KE7.5CA 6.40 7.13 7.88 10 11.3 36.30 500
P4KE8.2A P4KE8.2CA 7.02 7.79 8.61 10 12.1 33.90 200
P4KE9.1A P4KE9.1CA 7.78 8.65 9.55 1 13.4 30.60 50
P4KE10A P4KE10CA 8.55 9.50 10.50 1 14.5 28.30 10
P4KE11A P4KE11CA 9.40 10.50 11.60 1 15.6 26.30 5
P4KE12A P4KE12CA 10.20 11.40 12.60 1 16.7 24.60 5
P4KE13A P4KE13CA 11.10 12.40 13.70 1 18.2 22.50 5
P4KE15A P4KE15CA 12.80 14.30 15.80 1 21.2 19.30 5
P4KE16A P4KE16CA 13.60 15.20 16.80 1 22.5 18.20 5
P4KE18A P4KE18CA 15.30 17.10 18.90 1 25.5 16.10 5
P4KE20A P4KE20CA 17.10 19.00 21.00 1 27.7 14.80 5
P4KE22A P4KE22CA 18.80 20.90 23.10 1 30.6 13.40 5
P4KE24A P4KE24CA 20.50 22.80 25.20 1 33.2 12.30 5
P4KE27A P4KE27CA 23.10 25.70 28.40 1 37.5 10.90 5
P4KE30A P4KE30CA 25.60 28.50 31.50 1 41.4 9.90 5
P4KE33A P4KE33CA 28.20 31.40 34.70 1 45.7 9.00 5
P4KE36A P4KE36CA 30.80 34.20 37.80 1 49.9 8.20 5
P4KE39A P4KE39CA 33.30 37.10 41.00 1 53.9 7.60 5
P4KE43A P4KE43CA 36.80 40.90 45.20 1 59.3 6.90 5
P4KE47A P4KE47CA 40.20 44.70 49.40 1 64.8 6.30 5
P4KE51A P4KE51CA 43.60 48.50 53.60 1 70.1 5.80 5
P4KE56A P4KE56CA 47.80 53.20 58.80 1 77.0 5.30 5
P4KE62A P4KE62CA 53.00 58.90 65.10 1 85.0 4.80 5
P4KE68A P4KE68CA 58.10 64.60 71.40 1 92.0 4.50 5
P4KE75A P4KE75CA 64.10 71.30 78.80 1 103.0 4.00 5
P4KE82A P4KE82CA 70.10 77.90 86.10 1 113.0 3.60 5
P4KE91A P4KE91CA 77.80 86.50 95.50 1 125.0 3.30 5
P4KE100A P4KE100CA 85.50 95.00 105.00 1 137.0 3.00 5
P4KE110A P4KE110CA 94.00 105.00 116.00 1 152.0 2.70 5
P4KE120A P4KE120CA 102.00 114.00 126.00 1 165.0 2.50 5
P4KE130A P4KE130CA 111.00 124.00 137.00 1 179.0 2.30 5
P4KE150A P4KE150CA 128.00 143.00 158.00 1 207.0 2.00 5
P4KE160A P4KE160CA 136.00 152.00 168.00 1 219.0 1.90 5
P4KE170A P4KE170CA 145.00 162.00 179.00 1 234.0 1.80 5
P4KE180A P4KE180CA 154.00 171.00 189.00 1 246.0 1.70 5
P4KE200A P4KE200CA 171.00 190.00 210.00 1 274.0 1.50 5
P4KE220A P4KE220CA 185.00 209.00 231.00 1 328.0 1.30 5
P4KE250A P4KE250CA 214.00 237.00 263.00 1 344.0 1.20 5
P4KE300A P4KE300CA 256.00 285.00 315.00 1 414.0 1.00 5
P4KE350A P4KE350CA 300.00 332.00 368.00 1 482.0 0.85 5
P4KE400A P4KE400CA 342.00 380.00 420.00 1 548.0 0.75 5
P4KE440A P4KE440CA 376.00 418.00 462.00 1 602.0 0.68 5
P4KE480A P4KE480CA 408.00 456.00 504.00 1 658.0 0.61 5
P4KE510A P4KE510CA 434.00 485.00 535.00 1 698.0 0.57 5
P4KE530A P4KE530CA 450.00 503.50 556.50 1 725.0 0.55 5
P4KE540A P4KE540CA 459.00 513.00 567.00 1 740.0 0.54 5
P4KE550A P4KE550CA 467.00 522.50 577.50 1 760.0 0.52 5
For bidirectional type having Vrwm of 10 volts and less, the IR limit is double.
For parts without A , the VBR is ± 10%
Test
Current
IT(mA)
RoHS
Silicon Avalanche Diodes
284 www.littelfuse.com
400W Axial Leaded Transient Voltage Supressors
Ratings and Characteristic Curves TA=25˚C unless otherwise noted
Fig. 5 steady Pulse Derating Curve
TA- Ambient Temperature (˚C)
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage, %
0
025
0.25
50
0.50
75
0.75
100
1.00
125 150 175 200
Fig. 3 Pulse Waveform
IPPM- Peak Pulse Current, % I RSM
0
0
50
100
150
1.0 2.0 3.0 4.0
tr=10µsec
Peak Value
IPPM
Half Value IPPM
2
TJ=25˚C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
10/1000µsec. Waveform
as defined by R.E.A
.375" (9.5mm)
Lead Lengths
60Hz resistive or
inductive load
1.6x1.6x.040"
(40x40x1mm)
td
Fig. 1 Peak Pulse Power Rating
td- Pulse Width (sec.)
PPPM- Peak Pulse Power (KW)
0.1µs 1.0µs 10µs 100µs 1.0ms 10ms
0.1
1
10
100
Fig. 2 Pulse Derating Curve
TA- Ambient Temperature (˚C)
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage, %
0
025
25
50
50
75
75
100
100
125 150 175 200
Fig. 8 Typ. Transient Thermal Impedance
td- Pulse Duration (sec.)
PPPM- Peak Pulse Power (KW)
0.001 0.01 0.1 1 10 100 1000
1
10
100
Fig. 6- Maximum Non-Repetitive Peak
IPSM-Peak Forward Surge Current (A)
1
10
50
100
200
105 100
Number of Cycles at 60Hz
Forward Surge Uni-Directional Only
TJ=TJ MAX
8.3 Single Half Sine-Wave
(JEDEC Method)
Fig. 4- Typ-Junction Capacitance Uni-Directional
CJ-Junction Capacitance (pF)
10000
1000
100
10 1.0 5 10 100 200
VWM-Reverse Stand-Off Voltage (V)
T - Time(ms)
Measured at
Zero Bias
TJ=25˚C
f=1.0MHZ
Vsig=50mVp-p
Measured at
Stand-Off
Voltage, VWM
Fig. 7 - Typical Reverse Leakage Characteristics
tp-Instantanious Reverse
Leakage Current (µA)
0.01
0.1
1.0
10
100
0.001 0.01 0.1 110 100 1000
CVRR- Breakdown Voltage (V)
P4KE Series
®
RoHS
Silicon Avalanche Diodes
285
www.littelfuse.com
6
SILICON DIODE
ARRAYS
400W Axial Leaded Transient Voltage Supressors
P4KE Series
1.0 (25.4)
MIN.
1.0 (25.4)
MIN.
0.107(2.7)
0.080(2.0)
DIA.
All dimensions in inches and (millimeters)
0.034(0.86)
0.028(0.71)
DIA.
0.205(5.2)
0.160(4.1)
DO-204AL
(DO-41 Plastic)
®
RoHS
Package Outline Dimensions