20KP LEIDITECH
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Technical content
20KP Series 20KW Transient Voltage Suppressor DESCRIPTION: The 20KP series of high current uni/bi-directional transient suppressors are designed for A.C. line protection and high power DC bus clamping applications. These devices offer uni/bi-directional port protection from 20 volts to 300 volts. They provide a clamping voltage lower than the avalanche voltage. Therefore, any voltage rise due to increased current conduction is contained to a minimum, providing the best possible protection level. They can also be connected in series and/or parallel to create very high capacity protection solutions. FEATURES: Low zener impedance. Excellent clamping capability. JEDEC R-6/P-600 Molded Plastic. Repetition rate (duty cycle): 0.01%. Color band denoted cathode except bidirectional. High temperature soldering: 260℃/10s at terminals. Glass passivated chip junction in R-6/P600 package. 20000W Peak Pulse power capability at 10×1000μs waveform. Fast response time: typically less than 1.0ps from 0V to V BR min. ABSOLUTE MAXIMUM RATINGS A =25ºC, RH=45%-75%, unless otherwise noted) Parameter Symbol Value Unit Peak pulse power dissipation on 10/1000μs waveform P PP 20000 W Peak pulse current of on 10/1000μs waveform I PP See next table A Steady state power dissipation at T L =75℃ P M(AV) 8 W Operating junction and Storage temperature range T STG, T J -55 to +125 ℃ Peak forward surge current, 8.3ms single half sine-wave I FSM 400 A Symbol Rev : www.leiditech.com 01.06.2014 AEC-Q101 qualified.
ELECTRICAL CHARACTERISTICS
A =25℃) Part Number V R I R R V BR T I T V C PP I PP Uni-Polar Bi-Polar V μA min(V) max(V) mA max(V) A Rev : www.leiditech.com 01.06.2014 20KP Series 20KW Transient Voltage Suppressor
A =25℃, continued) Part Number V R I R R V BR T I T V C PP I PP Uni-Polar Bi-Polar V μA min(V) max(V) mA max(V) A ① Surge waveform: 10/1000μs V R ：Stand-off Voltage -- Maximum voltage that can be applied V BR ：Breakdown Voltage V C ：Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ipp I R ：Reverse Leakage Current RATINGS AND V-I CHARACTERISTICS CURVES A =25ºC, unless otherwise noted) FIG.1:V- I curve characteristics (Uni-directional) FIG.2:V- I curve characteristics (Bi-directional) I PP V C V BR V R V F V I PP V C V BR V R V V C V BR V R I R I T I R I T I PP Rev : www.leiditech.com 01.06.2014 20KP Series 20KW Transient Voltage Suppressor
FIG.3: Pulse waveform I PPM (%I RSM 100 0 1.0 2.0 3.0 4.0 Peak value 150 Half value tr=10μs td tr = rise time to peak value td = decay time to half value t(ms) FIG.4: Pulse derating curve P PP derating in percentage(%) 0 25 50 75 100 125 150 175 100 T A SOLDERING PARAMETERS Reflow Condition Pb-Free assembly (see FIG.5) Pre Heat -Temperature Min (T s(min) ) +150℃ -Temperature Max(T s(max) ) +200℃ -Time (Min to Max) (t s ) 60-180 secs. Average ramp up rate (Liquid us Temp L ) to peak) 3℃/sec. Max T s(max) to T L - Ramp-up Rate 3℃/sec. Max Reflow -Temperature(T L )(Liquid us) +217℃ -Temperature(t L ) 60-150 secs. Peak Temp (T p ) +260(+0/-5)℃ Time within 5℃ of actual Peak Temp (t p ) 30 secs. Max Ramp-down Rate 6℃/sec. Max Time 25℃ to Peak Temp (T P ) 8 min. Max Do not exceed +260℃ FIG.5: Reflow condition Temperature T S(min) T S(max) T L T P tp t L time to peak temperatue Time (t 25 to peak) Ramp-up Ramp-down Preheat Critical Zone T L to T P t s Rev : www.leiditech.com 01.06.2014 20KP Series 20KW Transient Voltage Suppressor
MARKING ＆ ORDERING INFORMATION Product Type Cathode Band 20KP XX C A (1) (2) (3) (4) (1)Series:20000 watts series (2)Reverse Stand-off Voltage (3)Bi-directional (4)5% V BR Voltage tolerance Logo 20KPxxCA PACKAGE MECHANICAL DAT Dimensions MillimetersInchesRef. Min. A B C D Max. Min. Max. 1.000 25.40 0.339 0.048 0.340 0.370 0.052 0.360 8.60 1.20 8.60 9.40 1.40 9.10 - - A B A C D Part Number Case Type Quantity Packing Option 20KPXXCA/A R6/P600 300 Box Shanghai Leiditech Electronic Co.,Ltd Email: sale1@leiditech.com Tel : +86- 021 50828806 Fax : +86- 021 50477059 Rev : www.leiditech.com 01.06.2014 20KP Series 20KW Transient Voltage Suppressor