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 t -PXJODSFNFOUBMTVSHF resistance t 5ZQJDBM*R less than 2μA above 49V ΔVBR = 0.1% x VBR@25°C x ΔT t )JHIUFNQFSBUVSF soldering guaranteed: t (MBTTQBTTJWBUFEDIJQ 260°C/40 seconds / junction in P600 package 0.375”,(9.5mm) lead t 8QFBLQVMTF length, 5 lbs., (2.3kg) capability at 10×1000μs tension waveform, repetition rate t 1MBTUJDQBDLBHFIBT (duty cycles):0.01% Underwriters Laboratory t 'BTUSFTQPOTFUJNF Flammability classification typically less than 1.0ps 94V-O from 0 Volts to BV min t .BUUF5JO-FBEoGSFFQMBUFE t &YDFMMFOUDMBNQJOH capability t)BMPHFO'SFF t 3P)4DPNQMJBOU t 5ZQJDBMNBYJNVN temperature coefficient Agency Approvals AGENCY FILE NUMBER E230531 Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Symbol Value Unit PPPM 20000 W Steady State Power Dissipation on inifinite heat sink at TL=75ºC (Fig. 5) PD 8.0 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave Unidirectional only (Note 2) IFSM 400 A TJ , TSTG -55 to 175 °C Typical Thermal Resistance Junction to Lead RuJL 8.0 °C/W Typical Thermal Resistance Junction to Ambient RuJA 40 °C/W Peak Pulse Power Dissipation by 10x1000μs test waveform (Fig.1) (Note 1) Operating Junction and Storage Temperature Range Applications 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. 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 AGENCY Transient Voltage Suppression Diodes Axial Leaded – 20000W > 20KPA series Electrical Characteristics MIN Test Current IT (mA) Maximum Peak Pulse Current Ipp (A) Maximum Reverse Leakage IR @ VR (μ A) Maximum Clamping Voltage VC @ IPP (V) 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 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 5 548.9 490.3 451.9 420.8 392.2 372.0 351.3 328.5 297.9 277.9 254.4 235.4 218.1 207.0 194.2 183.6 174.1 155.4 142.3 130.3 120.2 111.0 104.1 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 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 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 Part Number (Uni) Part Number (Bi) Reverse Stand off Voltage VR (Volts) Breakdown Voltage VBR (Volts) @ IT 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 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 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 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 Figure 2 - Pulse Derating Curve 100 Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage % PPPM- Peak Pulse Power (KW) 1000 100 10 1 0.1 0.000001 60 40 20 0 0.001 0.0001 0.00001 80 0 25 50 75 100 125 150 175 200 TA-Ambient temperature (ºC) td- Pulse Width (Sec.) Figure 3 - Pulse Waveform Figure 4 - Typical Junction Capacitance TJ=25°C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM Peak Value IPPM 100 Bi-directional V= OV Half Value IPPM IPPM ( ) 2 50 10/1000μsec. Waveform as defined by R.E.A td 0 Uni-directional V= OV Uni-directional @ VR Bi-directional @ VR 100 Tj=25C f=1.0MHz Vsig=50mVp-p 1 1.0 0 10000 2.0 3.0 0 4.0 t-Time (ms) 100 150 200 250 300 350 Figure 6 - Maximum Non-Repetitive Peak Forward Surge Current Figure 5 - Steady State Power Derating Curve 9 450 8 IFSM, Peak Forward Surge Current (A) Steady State Power Dissipation (W) 50 VBR - Reverse Breakdwon Voltage (V) 7 6 5 4 3 L = 0.375” (9.5mm) Lead Lengths 2 1 0 0 25 50 75 300 250 200 150 100 50 1 TL- Lead Temperature (ºC) Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/20KPA.html for current information. 350 0 100 125 150 175 200 ©2009 Littelfuse, Inc. 400 10 100 Number of Cycles at 60 Hz 119 Revision: January 09, 2009 20KPA Series 20KPA Series tr=10μsec Cj, Junction Capacitance (pf) IPPM- Peak Pulse Current, % IRSM 150 Transient Voltage Suppression Diodes Axial Leaded – 20000W > 20KPA series Soldering Parameters Reflow Condition Ramp-up - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (min to max) (ts) oTFDT Critical Zone TL to TP TL Average ramp up rate (Liquidus Temp (TL) to peak 3°C/second max TS(max) to TL - Ramp-up Rate 3°C/second max Reflow tp TP Temperature (T) Pre Heat -FBEoGSFFBTTFNCMZ tL Ts(max) Ramp-down Ts(min) ts Preheat 25˚C - Temperature (TL) (Liquidus) 217°C - Time (min to max) (ts) oTFDPOET t 25˚C to Peak Time (t) Peak Temperature (TP) 260+0/-5 °C Time within 5°C of actual peak Temperature (tp) oTFDPOET Flow/Wave Soldering (Solder Dipping) Ramp-down Rate 6°C/second max Peak Temperature : 265OC Time 25°C to peak Temperature (TP) 8 minutes Max. Dipping Time : 10 seconds 280°C Soldering : 1 time Do not exceed Physical Specifications Environmental Specifications Weight 0.07oz., 2.5g Temperature Cycle JESD22-A104 Case P600 molded plastic body over passivated junction. Pressure Cooker JESD 22-A102 Polarity Color band denotes the cathode except Bipolar. High Temp. Storage JESD22-A103 Terminal Matte Tin axial leads, solderable per JESD22-B102D. HTRB JESD22-A108 Thermal Shock JESD22-A106 Dimensions D Dimensions C A A B Inches Millimeters Min Max Min Max A 1.000 - 25.40 - B 0.340 0.360 8.60 9.10 C 0.048 0.052 1.22 1.32 D 0.340 0.360 8.60 9.10 P600 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 Part Marking System 20KPA xxx XX X Cathode Band 20KPAXXX OPTION CODE: BLANK Reel Tape -B Bulk Packaging TYPE CODE: A Uni-Directional (5% Voltage Tolerance) CA Bi-Directional F VOLTAGE CODE (Refer to the Electrical Characteristics table) Littelfuse Logo Product Type SERIES CODE Packaging Component Package Quantity Packaging Option 20KPAxxxXX P600 800 Tape & Reel 20KPAxxxXX-B P600 500 BULK Packaging Specification EIA STD RS-296E Littelfuse Concord Packing Spec. DM-0016 20KPA Series Part Number ©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