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P6KE6.8A Series
600 Watt Peak Power Surmetict-40 Zener Transient Voltage Suppressors
Unidirectional*
The P6KE6.8A series is designed to protect voltage sensitive components from high voltage, high energy transients. They have excellent clamping capability, high surge capability, low zener impedance and fast response time. These devices are ON Semiconductor's exclusive, cost-effective, highly reliable Surmetict axial leaded package and is ideally-suited for use in communication systems, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications.
Specification Features: http://onsemi.com
Cathode
Anode
* * * * * * * *
Working Peak Reverse Voltage Range - 5.8 to 171 V Peak Power - 600 Watts @ 1 ms ESD Rating of Class 3 (>16 KV) per Human Body Model Maximum Clamp Voltage @ Peak Pulse Current Low Leakage < 5 A above 10 V Maximum Temperature Coefficient Specified UL 497B for Isolated Loop Circuit Protection Response Time is typically < 1 ns
AXIAL LEAD CASE 17 STYLE 1
Mechanical Characteristics: CASE: Void-free, Transfer-molded, Thermosetting plastic FINISH: All external surfaces are corrosion resistant and leads are
L P6KE xxxA YYWW L = Assembly Location P6KExxxA = ON Device Code YY = Year WW = Work Week
readily solderable
MAXIMUM LEAD TEMPERATURE FOR SOLDERING:
230_C, 1/16 from the case for 10 seconds POLARITY: Cathode indicated by polarity band MOUNTING POSITION: Any
MAXIMUM RATINGS
Rating Peak Power Dissipation (Note 1.) @ TL 25C Steady State Power Dissipation @ TL 75C, Lead Length = 3/8 Derated above TL = 75C Thermal Resistance, Junction-to-Lead Forward Surge Current (Note 2.) @ TA = 25C Operating and Storage Temperature Range Symbol PPK PD Value 600 5.0 50 RqJL IFSM TJ, Tstg 20 100 - 55 to +175 Unit Watts Watts mW/C C/W Amps C
ORDERING INFORMATION
Device P6KExxxA P6KExxxARL Package Axial Lead Axial Lead Shipping 1000 Units/Box 4000/Tape & Reel
1. Nonrepetitive current pulse per Figure 4 and derated above TA = 25C per Figure 2. 2. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum. *Please see P6KE6.8CA - P6KE200CA for Bidirectional devices.
(c) Semiconductor Components Industries, LLC, 2002
1
April, 2002 - Rev. 5
Publication Order Number: P6KE6.8A/D
P6KE6.8A Series
ELECTRICAL CHARACTERISTICS (TA = 25C unless
otherwise noted, VF = 3.5 V Max. @ IF (Note 6.) = 50 A) Symbol IPP VC VRWM IR VBR IT QVBR IF VF Parameter Maximum Reverse Peak Pulse Current Clamping Voltage @ IPP Working Peak Reverse Voltage Maximum Reverse Leakage Current @ VRWM Breakdown Voltage @ IT Test Current Maximum Temperature Coefficient of VBR Forward Current Forward Voltage @ IF IPP VC VBR VRWM IR VF IT V IF I
Uni-Directional TVS
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P6KE6.8A Series
ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted, VF = 3.5 V Max. @ IF (Note 6.) = 50 A)
VRWM (Note 3.) Volts 5.8 6.4 7.02 7.78 8.55 9.4 10.2 11.1 12.8 13.6 15.3 17.1 18.8 20.5 23.1 25.6 28.2 30.8 33.3 36.8 40.2 43.6 47.8 53 58.1 64.1 70.1 77.8 85.5 94 102 111 Breakdown Voltage IR @ VRWM A 1000 500 200 50 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 VBR Min 6.45 7.13 7.79 8.65 9.5 10.5 11.4 12.4 14.3 15.2 17.1 19 20.9 22.8 25.7 28.5 31.4 34.2 37.1 40.9 44.7 48.5 53.2 58.9 64.6 71.3 77.9 86.5 95 105 114 124 (Note 4.) (Volts) Nom 6.80 7.51 8.2 9.1 10 11.05 12 13.05 15.05 16 18 20 22 24 27.05 30 33.05 36 39.05 43.05 47.05 51.05 56 62 68 75.05 82 91 100 110.5 120 130.5 Max 7.14 7.88 8.61 9.55 10.5 11.6 12.6 13.7 15.8 16.8 18.9 21 23.1 25.2 28.4 31.5 34.7 37.8 41 45.2 49.4 53.6 58.8 65.1 71.4 78.8 86.1 95.5 105 116 126 137 @ IT mA 10 10 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 VC @ IPP (Note 5.) VC Volts 10.5 11.3 12.1 13.4 14.5 15.6 16.7 18.2 21.2 22.5 25.2 27.7 30.6 33.2 37.5 41.4 45.7 49.9 53.9 59.3 64.8 70.1 77 85 92 103 113 125 137 152 165 179 IPP A 57 53 50 45 41 38 36 33 28 27 24 22 20 18 16 14.4 13.2 12 11.2 10.1 9.3 8.6 7.8 7.1 6.5 5.8 5.3 4.8 4.4 4 3.6 3.3 QVBR %/C 0.057 0.061 0.065 0.068 0.073 0.075 0.078 0.081 0.084 0.086 0.088 0.09 0.092 0.094 0.096 0.097 0.098 0.099 0.1 0.101 0.101 0.102 0.103 0.104 0.104 0.105 0.105 0.106 0.106 0.107 0.107 0.107
Device P6KE6.8A P6KE7.5A P6KE8.2A P6KE9.1A P6KE10A P6KE11A P6KE12A P6KE13A P6KE15A P6KE16A P6KE18A P6KE20A P6KE22A P6KE24A P6KE27A P6KE30A P6KE33A P6KE36A P6KE39A P6KE43A P6KE47A P6KE51A P6KE56A P6KE62A P6KE68A P6KE75A P6KE82A P6KE91A P6KE100A P6KE110A P6KE120A P6KE130A
Device Marking P6KE6.8A P6KE7.5A P6KE8.2A P6KE9.1A P6KE10A P6KE11A P6KE12A P6KE13A P6KE15A P6KE16A P6KE18A P6KE20A P6KE22A P6KE24A P6KE27A P6KE30A P6KE33A P6KE36A P6KE39A P6KE43A P6KE47A P6KE51A P6KE56A P6KE62A P6KE68A P6KE75A P6KE82A P6KE91A P6KE100A P6KE110A P6KE120A P6KE130A
P6KE150A P6KE150A 128 5 143 150.5 158 1 207 2.9 0.108 P6KE160A P6KE160A 136 5 152 160 168 1 219 2.7 0.108 P6KE170A P6KE170A 145 5 162 170.5 179 1 234 2.6 0.108 P6KE180A P6KE180A 154 5 171 180 189 1 246 2.4 0.108 P6KE200A P6KE200A 171 5 190 200 210 1 274 2.2 0.108 3. A transient suppressor is normally selected according to the maximum working peak reverse voltage (VRWM), which should be equal to or greater than the dc or continuous peak operating voltage level. 4. VBR measured at pulse test current IT at an ambient temperature of 25C 5. Surge current waveform per Figure 4 and derate per Figures 1 and 2. 6. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
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P6KE6.8A Series
NONREPETITIVE PULSE WAVEFORM SHOWN IN FIGURE 4 PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT @ T = 25 C A _ 100
PPK , PEAK POWER (kW)
10
100 80 60 40 20 0 0 25 50 75 100 125 150 175 200
1
0.1 0.1 s
1 s
10 s
100 s
1 ms
10 ms
tP, PULSE WIDTH
TA, AMBIENT TEMPERATURE (_C)
Figure 1. Pulse Rating Curve
Figure 2. Pulse Derating Curve
tr 10 s 10,000 100 C, CAPACITANCE (pF) MEASURED @ ZERO BIAS 1000 VALUE (%) PEAK VALUE - IPP
PULSE WIDTH (tp) IS DEFINED AS THAT POINT WHERE THE PEAK CURRENT DECAYS TO 50% OF IPP. IPP 2
HALF VALUE - 50
100
MEASURED @ VRWM 0
tP
10
0.1
1 10 100 VBR, BREAKDOWN VOLTAGE (VOLTS)
1000
0
1
2 3 t, TIME (ms)
4
Figure 3. Capacitance versus Breakdown Voltage
PD, STEADY STATE POWER DISSIPATION (WATTS)
Figure 4. Pulse Waveform
3/8 5 4 3 2 1 0 0 25 50 75 100 125 150 175 TL, LEAD TEMPERATURE _C) 200 3/8 DERATING FACTOR
1 0.7 0.5 0.3 0.2 0.1 0.07 0.05 0.03 0.02 0.01 0.1 10 s 0.2 0.5 1 2 5 10 D, DUTY CYCLE (%) 20 50 100 PULSE WIDTH 10 ms
1 ms 100 s
Figure 5. Steady State Power Derating
Figure 6. Typical Derating Factor for Duty Cycle
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P6KE6.8A Series
APPLICATION NOTES
RESPONSE TIME
In most applications, the transient suppressor device is placed in parallel with the equipment or component to be protected. In this situation, there is a time delay associated with the capacitance of the device and an overshoot condition associated with the inductance of the device and the inductance of the connection method. The capacitance effect is of minor importance in the parallel protection scheme because it only produces a time delay in the transition from the operating voltage to the clamp voltage as shown in Figure 7. The inductive effects in the device are due to actual turn-on time (time required for the device to go from zero current to full current) and lead inductance. This inductive effect produces an overshoot in the voltage across the equipment or component being protected as shown in Figure 8. Minimizing this overshoot is very important in the application, since the main purpose for adding a transient suppressor is to clamp voltage spikes. The P6KE6.8A series has very good response time, typically < 1 ns and negligible inductance. However, external inductive effects could produce unacceptable overshoot. Proper circuit layout,
minimum lead lengths and placing the suppressor device as close as possible to the equipment or components to be protected will minimize this overshoot. Some input impedance represented by Zin is essential to prevent overstress of the protection device. This impedance should be as high as possible, without restricting the circuit operation.
DUTY CYCLE DERATING
The data of Figure 1 applies for non-repetitive conditions and at a lead temperature of 25C. If the duty cycle increases, the peak power must be reduced as indicated by the curves of Figure 6. Average power must be derated as the lead or ambient temperature rises above 25C. The average power derating curve normally given on data sheets may be normalized and used for this purpose. At first glance the derating curves of Figure 6 appear to be in error as the 10 ms pulse has a higher derating factor than the 10 s pulse. However, when the derating factor for a given pulse of Figure 6 is multiplied by the peak power value of Figure 1 for the same pulse, the results follow the expected trend.
TYPICAL PROTECTION CIRCUIT
Zin
Vin
LOAD
VL
V
Vin (TRANSIENT)
V
OVERSHOOT DUE TO INDUCTIVE EFFECTS
Vin (TRANSIENT) VL
VL
Vin td
tD = TIME DELAY DUE TO CAPACITIVE EFFECT t
t
Figure 7.
Figure 8.
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P6KE6.8A Series
UL RECOGNITION* The entire series including the bidirectional CA suffix has Underwriters Laboratory Recognition for the classification of protectors (QVGV2) under the UL standard for safety 497B and File #E 116110. Many competitors only have one or two devices recognized or have recognition in a non-protective category. Some competitors have no recognition at all. With the UL497B recognition, our parts successfully passed several tests including Strike Voltage Breakdown test, Endurance Conditioning, Temperature test, Dielectric Voltage-Withstand test, Discharge test and several more. Whereas, some competitors have only passed a flammability test for the package material, we have been recognized for much more to be included in their protector category.
*Applies to P6KE6.8A, CA - P6KE200A, CA.
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P6KE6.8A Series
OUTLINE DIMENSIONS
Transient Voltage Suppressors - Axial Leaded
600 Watt Peak Power Surmetict-40
SURMETIC 40 CASE17-02 ISSUE C
B D K F
DIM A B D K F
NOTES: 1. CONTROLLED DIMENSION: INCH 2. LEAD FINISH AND DIAMETER UNCONTROLLED IN DIM F. 3. CATHODE BAND INDICATES POLARITY INCHES MIN MAX 0.330 0.350 0.130 0.145 0.037 0.043 --0.050 1.000 1.250 MILLIMETERS MIN MAX 8.38 8.89 3.30 3.68 0.94 1.09 --1.27 25.40 31.75
A
F K
STYLE 1: PIN 1. ANODE 2. CATHODE
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P6KE6.8A Series
SURMETIC is a trademark of Semiconductor Components Industries, LLC.
ON Semiconductor is a trademark and is a registered trademark of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer.
PUBLICATION ORDERING INFORMATION
Literature Fulfillment: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada Fax: 303-675-2176 or 800-344-3867 Toll Free USA/Canada Email: ONlit@hibbertco.com N. American Technical Support: 800-282-9855 Toll Free USA/Canada JAPAN: ON Semiconductor, Japan Customer Focus Center 4-32-1 Nishi-Gotanda, Shinagawa-ku, Tokyo, Japan 141-0031 Phone: 81-3-5740-2700 Email: r14525@onsemi.com ON Semiconductor Website: http://onsemi.com For additional information, please contact your local Sales Representative.
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P6KE6.8A/D

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