Transient Voltage Suppression Diodes Axial Leaded - 20000W > 20KPA series 20KPA Series RoHS Pb e3 Descriptions The 20KPA Series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Uni-directional Bi-directional Features Agency Approvals AGENCY AGENCY FILE NUMBER E230531 Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Symbol Value Unit PPPM 20 kW Steady State Power Dissipation on Infinite Heat Sink at TL=75C 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 RJL 8.0 C/W Typical Thermal Resistance Junction to Ambient RJA 40 C/W Peak Pulse Power Dissipation by 10/1000s Test Waveform (Fig.2) (Note 1) Operating Junction and Storage Temperature Range Notes: 1. Non-repetitive current pulse , per Fig. 4 and derated above TJ (initial) =25OC per Fig. 3. 2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per minute maximum. Functional Diagram * 20kW peak pulse capability at 10/1000s waveform, repetition rate (duty cycles):0.01% * Glass passivated chip junction in P600 package * Fast response time: typically less than 1.0ps from 0 Volts to BV min * Excellent clamping capability * Typical failure mode is short from over-specified voltage or current * Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c * IEC-61000-4-2 ESD 30kV(Air), 30kV (Contact) *E SD protection of data lines in accordance with IEC 61000-4-2 *E FT protection of data lines in accordance with IEC 61000-4-4 * Low incremental surge resistance * Typical IR less than 2A when VBR min>49V * High temperature to reflow soldering guaranteed: 260C/40sec / 0.375", (9.5mm) lead length, 5 lbs., (2.3kg) tension * VBR @ TJ= VBR@25C x (1+T x (TJ - 25)) (T:Temperature Coefficient, typical value is 0.1%) * UL Recognized compound meeting flammability rating V-0 * Matte tin lead-free plated * Halogen free and RoHS compliant * Pb-free E3 means 2nd level interconnect is Pb-free and the terminal finish material is tin(Sn) (IPC/JEDEC J-STD609A.01) Applications TVS componants are ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuits used in telecom, computer, industrial and consumer electronic applications. Additional Infomarion Datasheet Bi-directional Cathode Resources Samples Anode Uni-directional (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/20/18 Transient Voltage Suppression Diodes Axial Leaded - 20000W > 20KPA series Electrical Characteristics (T =25C unless otherwise noted) A Part Number (Uni) Part Number (Bi) Reverse Stand off Voltage VR (Volts) 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 Breakdown Voltage VBR (Volts) @ IT MIN MAX Test Current IT (mA) 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 24.57 29.49 31.94 34.41 36.86 39.31 41.80 44.22 49.17 54.01 58.96 63.91 68.86 73.70 78.65 83.60 88.44 98.34 108.13 117.92 127.82 137.61 147.40 162.14 176.88 196.57 211.31 221.21 235.95 250.69 265.43 285.01 294.91 314.60 344.08 368.61 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 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. (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/20/18 Maximum Peak Pulse Current Ipp (A) Maximum Reverse Leakage IR @ VR ( A) Maximum Clamping Voltage VC @ IPP (V) 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 Agency Recognition 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 Transient Voltage Suppression Diodes Axial Leaded - 20000W > 20KPA series I-V Curve Characteristics Bi-directional Uni-directional Ipp Vc VBR VR Vc VBR VR V IR VF IT IT IR IR IT V Ipp Ipp PPPM VR VBR VC IR VF VR VBR Vc Peak Pulse Power Dissipation -- Max power dissipation Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT) Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current) Reverse Leakage Current -- Current measured at VR Forward Voltage Drop for Uni-directional Ratings and Characteristic Curves (T =25C unless otherwise noted) A Figure 1 - TVS Transients Clamping Waveform Figure 2 - Peak Pulse Power Rating Curve Voltage Transients PPPM-Peak Pulse Power (kW) 1000 Voltage or Current Voltage Across TVS Current Through TVS 100 10 1 0.000001 0.00001 0.0001 0.001 td-Pulse Width (sec.) Time continues on next page. (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/20/18 Transient Voltage Suppression Diodes Axial Leaded - 20000W > 20KPA series Ratings and Characteristic Curves (T =25C unless otherwise noted) (Continued) A Figure 4 - Pulse Waveform 150 100 75 50 25 0 tr=10sec IPPM- Peak Pulse Current, % IRSM Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage % Figure 3 - Peak Pulse Power Derating Curve 0 25 50 75 100 125 150 175 Half Value IPPM IPPM ( ) 2 50 200 0 10/1000sec. Waveform as defined by R.E.A td 1.0 0 2.0 3.0 4.0 t-Time (ms) Figure 6 - Typical Transient Thermal Impedance Figure 5 - Typical Junction Capacitance 100 Transient Thermal Impedance (C/W) 100000 Uni-direconal V=0V 10000 Cj (pF) Peak Value IPPM 100 TJ - Initial Junction Temperature (C) Bi-direconal V=0V 1000 Bi-direconal V=VR 100 Bi-direconal V=VR 10 10 1 0.1 1 0 50 100 150 200 250 300 350 400 VBR - Reverse Breakdown Voltage (V) 0.01 0.1 1 10 100 1000 TP - Pulse Duration (s) Figure 7 - Maximum Non-Repetitive Peak Forward Surge Current Uni-Directional Only Figure 8 - Peak Forward Voltage Drop vs Peak Forward Current (Typical Values) 1000 3 stacked-die 100 900 800 I F - Peak Forward Current(A) IFSM - Peak Forward Surve Current (A) TJ=25C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM 700 600 500 400 300 200 4 stacked-die 10 1 100 0.1 0 1 10 Number of Cycles at 60 Hz (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/20/18 100 0.0 2.0 4.0 6.0 8.0 10.0 VF - Peak Forward Voltage(V) 12.0 14.0 Transient Voltage Suppression Diodes Axial Leaded - 20000W > 20KPA series Soldering Parameter Lead-free assembly Pre Heat 150C - Temperature Max (Ts(max)) 200C - Time (min to max) (ts) 60 -180 secs TS(max) to TA - Ramp-up Rate Reflow Ramp-up - Temperature Min (Ts(min)) Average ramp up rate (Liquidus Temp (TA) to peak tp TP TL 3C/second max 3C/second max - Temperature (TA) (Liquidus) 217C - Time (min to max) (ts) 60 - 150 seconds Temperature (T) Reflow Condition tL Critical Zone TL to TP Ts(max) Ramp-down Ts(min) ts Preheat 25C t 25C to Peak Time (t) Peak Temperature (TP) 260+0/-5 C Time within 5C of actual peak Temperature (tp) 20 - 40 seconds Flow/Wave Soldering (Solder Dipping) Ramp-down Rate 6C/second max Peak Temperature : 265OC Time 25C to peak Temperature (TP) 8 minutes Max. Dipping Time : 10 seconds Do not exceed 260C Soldering : 1 time Environmental Specifications Physical Specifications Weight 0.07oz., 2.5g High Temp. Storage JESD22-A103 Case P600 molded plastic body over passivated junction. HTRB JESD22-A108 Polarity Color band denotes the cathode except Bipolar. Temperature Cycling JESD22-A104 Terminal Matte Tin axial leads, solderable per JESD22-B102. H3TRB JESD22-A101 RSH JESD22-B106 Dimensions D Cathode Band (for uni-directional products only) Dimensions C A B P600 A A Inches Millimeters Min Max Min Max 1.000 - 25.40 - B 0.340 0.360 8.60 9.10 C 0.048 0.054 1.22 1.36 D 0.340 0.360 8.60 9.10 (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/20/18 Transient Voltage Suppression Diodes Axial Leaded - 20000W > 20KPA series Part Numbering System Part Marking System 20KPA xxx XX X (for uni-directional products only) Littelfuse Logo F Cathode Band OPTION CODE: BLANK Reel Tape -B Bulk Packaging YYWW Trace Code Marking YY:Year Code WW: Week Code TYPE CODE: A Uni-Directional (5% VBR Voltage Tolerance) CA Bi-Directional (5% VBR Voltage Tolerance) 20KPAXXX VR VOLTAGE Product Type SERIES CODE Packing Options Component Package Quantity Packaging Option Packaging Specification 20KPAxxxXX P600 800 Tape & Reel EIA STD RS-296 20KPAxxxXX-B P600 100 Bulk Littelfuse Spec. Part Number Tape and Reel Specification Off Center either side 2.063+0.079/-0.039 (53.0+2.0/-1.0) 0.028(0.7) 2.56 (65.0) 0.047 (1.2) 0.394+/-0.020 (10.0+/-0.5) 13.0 (330.2) 0.236 (6.0) Dimensions are in inches/mm 3.0 (76.2) 0.68 (17.27) 2.75 (69.85) Recess Depth Max. 0.75 (19.05) Direction of Feed Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics. (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/20/18 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Littelfuse: 20KPA256 20KPA44CA 20KPA68C 20KPA132 20KPA160C 20KPA80A 20KPA64CA 20KPA30CA 20KPA192 20KPA26CA 20KPA88 20KPA24 20KPA60CA 20KPA232A 20KPA32C 20KPA88CA 20KPA240 20KPA48C 20KPA132CA 20KPA68CA 20KPA204 20KPA32CA 20KPA36C 20KPA104CA 20KPA192A 20KPA280A 20KPA48CA 20KPA160CA 20KPA216C 20KPA36A 20KPA28 20KPA20A 20KPA96CA 20KPA104C 20KPA52C 20KPA56A 20KPA40 20KPA144CA 20KPA96 20KPA112A 20KPA28C 20KPA26 20KPA280CA 20KPA52A 20KPA240A 20KPA144 20KPA60 20KPA192CA 20KPA172A 20KPA34C 20KPA28A 20KPA72A 20KPA300C 20KPA204C 20KPA256CA 20KPA60C 20KPA204A 20KPA172CA 20KPA28CA 20KPA132A 20KPA72CA 20KPA280C 20KPA60A 20KPA40C 20KPA32 20KPA72 20KPA112CA 20KPA172C 20KPA20C 20KPA256A 20KPA52CA 20KPA232C 20KPA88A 20KPA40A 20KPA160 20KPA112C 20KPA180A 20KPA300 20KPA24A 20KPA216 20KPA34CA 20KPA300A 20KPA44 20KPA56C 20KPA120A 20KPA72C 20KPA104 20KPA300CA 20KPA44C 20KPA180 20KPA24CA 20KPA64 20KPA204CA 20KPA80 20KPA34 20KPA40CA 20KPA64C 20KPA216A 20KPA180CA 20KPA120