20KPA34CA-B

Transient Voltage Suppression Diodes Axial Leaded – 20000W > 20KPA series RoHS 20KPA Series Description The 20KPA Series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features resistance less than 2μA R above 49V soldering guaranteed: 260°C/40 seconds / 0.375” ,(9.5mm) lead length, 5 lbs., (2.3kg) tension Underwriters Laboratory Flammability classification 94V-O temperature coefficient Agency Approvals AGENCY AGENCY FILE NUMBER E230531 ΔVBR = 0.1% x VBR@25°C x ΔT junction in P600 package capability at 10×1000μs waveform, repetition rate (duty cycles):0.01% typically less than 1.0ps from 0 Volts to BV min Unit W W A °C °C/W °C/W Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Peak Pulse Power Dissipation by 10x1000μs test waveform (Fig.1) (Note 1) Steady State Power Dissipation on inifinite heat sink at TL=75ºC (Fig. 5) Peak Forward Surge Current, 8.3ms Single Half Sine Wave Unidirectional only (Note 2) Operating Junction and Storage Temperature Range Typical Thermal Resistance Junction to Lead Typical Thermal Resistance Junction to Ambient Symbol PPPM PD IFSM TJ , TSTG RuJL RuJA Value 20000 8.0 400 -55 to 175 8.0 40 capability Applications Notes: 1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25OC per Fig. 2. 2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per minute maximum. ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/20KPA.html for current information. 117 Revision: January 09, 2009 20KPA Series 20KPA Series TVS devices are ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuits used in telecom, computer, industrial and consumer electronic applications. Transient Voltage Suppression Diodes Axial Leaded – 20000W > 20KPA series Electrical Characteristics Part Number (Uni) 20KPA20A 20KPA24A 20KPA26A 20KPA28A 20KPA30A 20KPA32A 20KPA34A 20KPA36A 20KPA40A 20KPA44A 20KPA48A 20KPA52A 20KPA56A 20KPA60A 20KPA64A 20KPA68A 20KPA72A 20KPA80A 20KPA88A 20KPA96A 20KPA104A 20KPA112A 20KPA120A 20KPA132A 20KPA144A 20KPA160A 20KPA172A 20KPA180A 20KPA192A 20KPA204A 20KPA216A 20KPA232A 20KPA240A 20KPA256A 20KPA280A 20KPA300A Part Number (Bi) 20KPA20CA 20KPA24CA 20KPA26CA 20KPA28CA 20KPA30CA 20KPA32CA 20KPA34CA 20KPA36CA 20KPA40CA 20KPA44CA 20KPA48CA 20KPA52CA 20KPA56CA 20KPA60CA 20KPA64CA 20KPA68CA 20KPA72CA 20KPA80CA 20KPA88CA 20KPA96CA 20KPA104CA 20KPA112CA 20KPA120CA 20KPA132CA 20KPA144CA 20KPA160CA 20KPA172CA 20KPA180CA 20KPA192CA 20KPA204CA 20KPA216CA 20KPA232CA 20KPA240CA 20KPA256CA 20KPA280CA 20KPA300CA Reverse Stand off Voltage VR (Volts) 20 24 26 28 30 32 34 36 40 44 48 52 56 60 64 68 72 80 88 96 104 112 120 132 144 160 172 180 192 204 216 232 240 256 280 300 Breakdown Voltage VBR (Volts) @ IT MIN 22.34 26.81 29.04 31.28 33.51 35.74 38.00 40.20 44.70 49.10 53.60 58.10 62.60 67 .00 71.50 76.00 80.40 89.40 98.30 107 .20 116.20 125.10 134.00 147 .40 160.80 178.70 192.10 201.10 214.50 227 .90 241.30 259.10 268.10 286.00 312.80 335.10 Test Current IT (mA) 50 50 50 50 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 5 5 5 5 5 Maximum Peak Pulse Current Ipp (A) 548.9 490.3 451.9 420.8 392.2 372.0 351.3 328.5 297 .9 277 .9 254.4 235.4 218.1 207 .0 194.2 183.6 174.1 155.4 142.3 130.3 120.2 111.0 104.1 94.8 87 .1 78.3 72.9 69.4 65.4 61.4 58.0 54.0 52.2 49.0 44.8 41.8 Maximum Reverse Leakage IR @ VR (μ A) 5000 5000 2000 1000 250 150 50 20 15 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Maximum Clamping Voltage VC @ IPP (V) 36.8 41.2 44.7 48.0 51.5 54.3 57 .5 61.5 67 .8 72.7 79.4 85.8 92.6 97 .6 104.0 110.0 116.0 130.0 142.0 155.0 168.0 182.0 194.0 213.0 232.0 258.0 277 .0 291.0 309.0 329.0 348.0 374.0 387 .0 412.0 451.0 483.0 Agency Approval X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X For bidirectional type having VRWM of 40 volts and less, the IR limit is double. For parts without A , the VBR is ± 10% and VC is 5% higher than with A parts. 20KPA Series 118 Revision: January 09, 2009 ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/20KPA.html for current information. Transient Voltage Suppression Diodes Axial Leaded – 20000W > 20KPA series Ratings and Characteristic Curves (T =25°C unless otherwise notedFigure 1 - Peak Pulse Power Rating Curve A Figure 1 - Peak Pulse Power Rating Curve 1000 Figure 2 - Pulse Derating Curve 100 Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage % PPPM- Peak Pulse Power (KW) 100 80 60 10 40 1 20 0.1 0.000001 0 0 25 50 75 100 125 150 175 200 TA-Ambient temperature (ºC) 0.00001 0.0001 0.001 td- Pulse Width (Sec.) Figure 3 - Pulse Waveform 150 IPPM- Peak Pulse Current, % IRSM tr=10μsec Peak Value IPPM Figure 4 - Typical Junction Capacitance Cj, Junction Capacitance (pf) TJ=25°C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM Bi-directional V= OV 10000 Uni-directional V= OV 100 Uni-directional @ VR Half Value IPPM IPPM 2 () 10/1000μsec. Waveform as defined by R.E.A 100 Bi-directional @ VR 50 Tj=25C f=1.0MHz Vsig=50mVp-p 0 td 1 1.0 2.0 t-Time (ms) 3.0 4.0 0 50 100 150 200 250 300 350 VBR - Reverse Breakdwon Voltage (V) 0 Figure 5 - Steady State Power Derating Curve Figure 6 - Maximum Non-Repetitive Peak Forward Surge Current 450 IFSM, Peak Forward Surge Current (A) 9 Steady State Power Dissipation (W) 8 7 6 5 4 3 2 1 0 0 25 50 75 100 125 150 175 200 TL- Lead Temperature (ºC) L = 0.375” (9.5mm) Lead Lengths 400 350 300 250 200 150 100 50 0 1 10 Number of Cycles at 60 Hz 100 ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/20KPA.html for current information. 119 Revision: January 09, 2009 20KPA Series 20KPA Series Transient Voltage Suppression Diodes Axial Leaded – 20000W > 20KPA series Soldering Parameters Reflow Condition - Temperature Min (Ts(min)) Pre Heat - Temperature Max (Ts(max)) - Time (min to max) (ts) Average ramp up rate (Liquidus Temp (TL) to peak TS(max) to TL - Ramp-up Rate Reflow - Temperature (TL) (Liquidus) - Time (min to max) (ts) 260+0/-5 °C 3°C/second max 3°C/second max 217°C 25˚C t 25˚C to Peak TP tp Ramp-up Critical Zone TL to TP 150°C Temperature (T) TL Ts(max) 200°C tL Ramp-down Ts(min) ts Preheat Time (t) Peak Temperature (TP) Time within 5°C of actual peak Temperature (tp) Ramp-down Rate Time 25°C to peak Temperature (TP) Do not exceed Flow/Wave Soldering (Solder Dipping) 6°C/second max 8 minutes Max. 280°C Peak Temperature : Dipping Time : Soldering : 265OC 10 seconds 1 time Physical Specifications Weight Case Polarity Terminal 0.07oz., 2.5g P600 molded plastic body over passivated junction. Color band denotes the cathode except Bipolar. Matte Tin axial leads, solderable per JESD22-B102D. Environmental Specifications Temperature Cycle Pressure Cooker High Temp. Storage HTRB Thermal Shock JESD22-A104 JESD 22-A102 JESD22-A103 JESD22-A108 JESD22-A106 Dimensions D C A A P600 Dimensions A B C D Inches Min 1.000 0.340 0.048 0.340 Max 0.360 0.052 0.360 Millimeters Min 25.40 8.60 1.22 8.60 Max 9.10 1.32 9.10 B 20KPA Series 120 Revision: January 09, 2009 ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/20KPA.html for current information. Transient Voltage Suppression Diodes Axial Leaded – 20000W > 20KPA series Part Numbering System 20KPA xxx XX X OPTION CODE: BLANK Reel Tape -B Bulk Packaging TYPE CODE: A Uni-Directional (5% Voltage Tolerance) CA Bi-Directional VOLTAGE CODE (Refer to the Electrical Characteristics table) SERIES CODE Part Marking System Cathode Band 20KPAXXX F Littelfuse Logo Product Type Packaging Part Number 20KPAxxxXX 20KPAxxxXX-B Component Package P600 P600 Quantity 800 500 Packaging Option Tape & Reel BULK Packaging Specification EIA STD RS-296E Littelfuse Concord Packing Spec. DM-0016 ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/20KPA.html for current information. 121 Revision: January 09, 2009 20KPA Series 20KPA Series