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P4KE SERIES
400 Watts Transient Voltage Suppressor Diodes DO-41
Features
UL Recognized File # E-96005 Plastic package has Underwriters Laboratory Flammability Classification 94V-0 400W surge capability at 10 x 100us waveform, duty cycle: 0.01% Excellent clamping capability Low zener impedance Fast response time: Typically less than 1.0ps from 0 volts to VBR for unidirectional and 5.0 ns for bidirectional Typical IR less than 1 uA above 10V High temperature soldering guaranteed: 260oC / 10 seconds / .375",(9.5mm) lead length / 5lbs.,(2.3kg) tension
Dimensions in inches and (millimeters)
Mechanical Data
Case: Molded plastic Lead: Pure tin plated lead free,, solderable per MIL-STD-202, Method 208 Polarity: Color band denotes cathode except bipolar Weight: 0.012 ounce,0.3 gram
Rating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%
Maximum Ratings and Electrical Characteristics
Type Number
Peak Power Dissipation at TA=25 C, Tp=1ms (Note 1)
o
Steady State Power Dissipation at TL=75 oC Lead Lengths .375", 9.5mm (Note 2) Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method) (Note 3) Maximum Instantaneous Forward Voltage at 25.0A for Unidirectional Only (Note 4)
Symbol PPK PD IFSM VF
Value Minimum 400 1.0 40 3.5 / 6.5
Units Watts Watts Amps Volts
o Operating and Storage Temperature Range TJ, TSTG -55 to + 175 C o 1. Non-repetitive Current Pulse Per Fig. 3 and Derated above TA=25 C Per Fig. 2. Notes: 2. Mounted on Copper Pad Area of 1.6 x 1.6" (40 x 40 mm) Per Fig. 4. 3. 8.3ms Single Half Sine-wave or Equivalent Square Wave, Duty Cycle=4 Pulses Per Minutes Maximum. 4. VF=3.5V for Devices of VBR 200V and VF=6.5V Max. for Devices VBR>200V
Devices for Bipolar Applications
1. For Bidirectional Use C or CA Suffix for Types P4KE6.8 thru Types P4KE440. 2. Electrical Characteristics Apply in Both Directions.
Version: A06
RATINGS AND CHARACTERISTIC CURVES (P4KE SERIES)
FIG.1- PEAK PULSE POWER RATING CURVE
NON-REPETITIVE PULSE WAVEFORM SHOWN in FIG. 3 TA=250C
FIG.2- DERATING CURVE
PM(AV), STEADY STATE POWER DISSIPATION, WATTS
5.0
100
Pppm, PEAK PULSE POWER, KW
10
L=0.375"(9.5mm) LEAD LENGTHS
2.5
With heat sink
1
PULSE Without heat sink
1.6 X 1.6 X .040" (40 X 40 X 1mm.) COPPER HEAT SINKS
0 0 25 50 75 100 125
o
0.1 0.1 s
1.0 s
10 s
100 s
1.0ms
10ms
150
175
200
td. PULSE WIDTH, sec.
TL, LEAD TEMPERATURE, C
FIG.3- CLAMPING POWER PULSE WAVEFORM
150 50
PULSE WIDTH (td) is DEFINED as the POINT WHERE the PEAK CURRENT DECAYS to 50% of lPPM
FIG.4- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT. (A)
8.3ms Single Half Sine Wave JEDEC Method UNIDIRECTIONAL ONLY
tr=10msec.
PEAK PULSE CURRENT - %
100
PEAK VALUE lPPM
40
30
HALF VALUE- lPPM 2 10/1000msec. WAVEFORM as DEFINED by R.E.A.
50
20
10
0
td
0
1.0
2.0 t, TIME, ms
3.0
4.0
0
1
10 NUMBER OF CYCLES AT 60Hz
100
100,000
FIG.5- TYPICAL JUNCTION CAPACITANCE UNIDIRECTIONAL
CJ, JUNCTION CAPACITANCE.(pF)
Tj=25 0C f=1.0MHz Vsig=50mVp-p
10,000
MEASURED at ZERO BIAS
1,000
MEASURED at STAND-OFF VOLTAGE, VWM
100 1 10
100
200
V(BR), BREAKDOWN VOLTAGE. VOLTS
Version: A06
ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted)
Device Nominal Voltage (Volts)
6.8 6.8 7.5 7.5 8.2 8.2 9.1 9.1 10 10 11 11 12 12 13 13 15 15 16 16 18 18 20 20 22 22 24 24 27 27 30 30 33 33 36 36 39 39 43 43 47 47 51 51 56 56 62 62 68 68 75 75 82 82 91 91 100 100 110 110 120 120 130 130 150 150 160 160 170 170 180 180 200 200 220 220 250 250 300 300 350 350 400 400 440 440
Breakdown Voltage VBR (Volts) (Note 1) Min Max
6.12 6.46 6.75 7.13 7.38 7.79 8.19 8.65 9.00 9.50 9.90 10.5 10.8 11.4 11.7 12.4 13.5 14.3 14.4 15.2 16.2 17.1 18.0 19.0 19.8 20.9 21.6 22.8 24.3 25.7 27.0 28.5 29.7 31.4 32.4 34.2 35.1 37.1 38.7 40.9 42.3 44.7 45.9 48.5 50.4 53.2 55.8 58.9 61.2 64.6 67.5 71.3 73.8 77.9 81.9 86.5 90.0 95.0 99.0 105.0 108.0 114.0 117.0 124.0 135.0 143.0 144.0 152.0 153.0 162.0 162.0 171.0 180.0 190.0 198.0 209.0 225.0 237.0 270.0 285.0 315.0 332.0 360.0 380.0 396.0 418.0 7.48 7.14 8.25 7.88 9.02 8.61 10.0 9.55 11.0 10.5 12.1 11.6 13.2 12.6 14.3 13.7 16.5 15.8 17.6 16.8 19.8 18.9 22.0 21.0 24.2 23.1 26.4 25.2 29.7 28.4 33.0 31.5 36.3 34.7 39.6 37.8 42.9 41.0 47.3 45.2 51.7 49.4 56.1 53.6 61.6 58.8 68.2 65.1 74.8 71.4 82.5 78.8 90.2 86.1 100.0 95.5 110.0 105.0 121.0 116.0 132.0 126.0 143.0 137.0 165.0 158.0 176.0 168.0 187.0 179.0 198.0 189.0 220.0 210.0 242.0 231.0 275.0 263.0 330.0 315.0 385.0 368.0 440.0 420.0 484.0 462.0
Test Current @IT (mA)
10 10 10 10 10 10 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Stand-Off Voltage VWM (Volts)
5.50 5.80 6.05 6.40 6.63 7.02 7.37 7.78 8.10 8.55 8.92 9.40 9.72 10.2 10.5 11.1 12.1 12.8 12.9 13.6 14.5 15.3 16.2 17.1 17.8 18.8 19.4 20.5 21.8 23.1 24.3 25.6 26.8 28.2 29.1 30.8 31.6 33.3 34.8 36.8 38.1 40.2 41.3 43.6 45.4 47.8 50.2 53.0 55.1 58.1 60.7 64.1 66.4 70.1 73.7 77.8 81.0 85.5 89.2 94.0 97.2 102.0 105.0 111.0 121.0 128.0 130.0 136.0 138.0 145.0 146.0 154.0 162.0 171.0 175.0 185.0 202.0 214.0 243.0 256.0 284.0 300.0 324.0 342.0 356.0 376.0
Maximum Reverse Leakage at VWM ID (uA)
1000 1000 500 500 200 200 50 50 10 10 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0
Maximum Peak Pulse Current IPPM (Note 2)(Amps)
38 40 35 37 33 34 30 31 28 29 26 27 24 25 22 23 19 20 17.8 18.6 16 16.5 14 15 13 13.7 12 12.6 10.7 11.0 9.6 10 8.8 9.0 8.0 8.4 7.4 7.7 6.7 7.0 6.2 6.4 5.7 6.0 5.2 5.4 4.7 5.0 4.2 4.5 3.8 4.0 3.5 3.7 3.2 3.3 2.9 3.0 2.6 2.7 2.4 2.5 2.2 2.3 1.9 2.0 1.8 1.9 1.7 1.8 1.6 1.7 1.4 1.51 1.2 1.3 1.1 1.2 0.97 1.0 0.83 0.87 0.73 0.76 0.66 0.69
Maximum Clamping Voltage at IPPM VC(Volts)
10.8 10.5 11.7 11.3 12.5 12.1 13.8 13.4 15.0 14.5 16.2 15.6 17.3 16.7 19.0 18.2 22.0 21.2 23.5 22.5 26.5 25.5 29.1 27.7 31.9 30.6 34.7 33.2 39.1 37.5 43.5 41.4 47.7 45.7 52.0 49.9 56.4 53.9 61.9 59.3 67.8 64.8 73.5 70.1 80.5 77.0 89.0 85.0 98.0 92.0 108.0 103.0 118.0 113.0 131.0 125.0 144.0 137.0 158.0 152.0 173.0 165.0 187.0 179.0 215.0 207.0 230.0 219.0 244.0 234.0 258.0 246.0 287.0 274.0 344.0 328.0 360.0 344.0 430.0 414.0 504.0 482.0 574.0 548.0 631.0 600.0
Maximum Temperature Coefficient O of VBR(% / C)
0.057 0.057 0.061 0.061 0.065 0.065 0.068 0.068 0.073 0.073 0.075 0.075 0.078 0.078 0.081 0.081 0.084 0.084 0.086 0.086 0.088 0.088 0.090 0.090 0.092 0.092 0.094 0.094 0.096 0.096 0.097 0.097 0.098 0.098 0.099 0.099 0.100 0.100 0.101 0.101 0.101 0.101 0.102 0.102 0.103 0.103 0.104 0.104 0.104 0.104 0.105 0.105 0.105 0.105 0.106 0.106 0.106 0.106 0.107 0.107 0.107 0.107 0.107 0.107 0.108 0.108 0.108 0.108 0.108 0.108 0.108 0.108 0.108 0.108 0.108 0.108 0.110 0.110 0.110 0.110 0.110 0.110 0.110 0.110 0.110 0.110
P4KE6.8 P4KE6.8A P4KE7.5 P4KE7.5A P4KE8.2 P4KE8.2A P4KE9.1 P4KE9.1A P4KE10 P4KE10A P4KE11 P4KE11A P4KE12 P4KE12A P4KE13 P4KE13A P4KE15 P4KE15A P4KE16 P4KE16A P4KE18 P4KE18A P4KE20 P4KE20A P4KE22 P4KE22A P4KE24 P4KE24A P4KE27 P4KE27A P4KE30 P4KE30A P4KE33 P4KE33A P4KE36 P4KE36A P4KE39 P4KE39A P4KE43 P4KE43A P4KE47 P4KE47A P4KE51 P4KE51A P4KE56 P4KE56A P4KE62 P4KE62A P4KE68 K4PE68A P4KE75 P4KE75A P4KE82 P4KE82A P4KE91 P4KE91A P4KE100 P4KE100A P4KE110 P4KE110A P4KE120 P4KE120A P4KE130 P4KE130A P4KE150 P4KE150A P4KE160 P4KE160A P4KE170 P4KE170A P4KE180 P4KE180A P4KE200 P4KE200A P4KE220 P4KE220A P4KE250 P4KE250A P4KE300 P4KE300A P4KE350 P4KE350A P4KE400 P4KE400A P4KE440 P4KE440A
Dimensions in inches and (millimeters)
Notes: 1. VBR measured after IT applied for 300us, IT=square wave pulse or equivalent. 2. Surge current waveform per Figure 3 and derate per Figure 2. 3. For bipolar types having VWM of 10 volts and under, the ID limit is doubled. 4. All terms and symbols are consistent with ANSI/IEEE C62.35.
TVS APPLICATION NOTES:
Transient Voltage Suppressors may be used at various points in a circuit to provide various degrees of protection. The following is a typical linear power supply with transient voltage suppressor units placed at different points. All provide protection of the load.
FIGURE 1
Transient Voltage Suppressors 1 provides maximum protection. However, the system will probably require replacement of the line fuse(F) since it provides a dominant portion of the series impedance when a surge is encountered. However, we do not recommend to use the TVS diode here, unless we can know the electric circuit impedance and the magnitude of surge rushed into the circuit. Otherwise the TVS diode is easy to be destroyed by voltage surge. Transient Voltage Suppressor 2 provides execllent protection of circuitry excluding the transformer(T). However, since the transformer is a large part of the series impedance, the chance of the line fuse opening during the surge condition is reduced. Transient Voltage Suppressor 3 provides the load with complete protection. It uses a unidirectional Transient Voltage Suppressor, which is a cost advantage. The series impedance now includes the line fuse, transformer, and bridge rectifier(B) so failure of the line fuse is further reduced. If only Transient Voltage Suppressor 3 is in use, then the bridge rectifier is unprotected and would require a higher voltage and current rating to prevent failure by transients. Any combination of these three, or any one of these applications, will prevent damage to the load. This would require varying trade-offs in power supply protection versus maintenance(changing the time fuse). An additional method is to utilize the Transient Voltage Suppressor units as a controlled avalanche bridge. This reduces the parts count and incorporates the protection within the bridge rectifier.
FIGURE 2

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