<strong>Introduction</strong> <strong>to</strong> <strong>Circuit</strong> <strong>Protection</strong> Transien<strong>to</strong>logy ESD Suppressor Selection Guide Littelfuse manufacturers three different surface mount product families for ESD suppression. Each technology provides distinct attributes for compatibility <strong>to</strong> specific circuit requirements. 1. Review the circuit requirements or parameters from the left hand column and compare them <strong>to</strong> the Littelfuse product offerings shown. 2. Refer <strong>to</strong> Littelfuse data sheets and application notes for complete technical information PulseGuard ® Suppressors Surface Silicon <strong>Protection</strong> Arrays Multilayer Varis<strong>to</strong>rs Mount Surface Mount Surface Mount Series Name PGB1 SP72X SP05X SPUSB1 ML MLE MLN MHS Technology Type Polymer Silicon SCR/Diode TVS Avalanche Diode USB Port Termina<strong>to</strong>r (w/ESD Suppression and EMI Filter) MLV ZnO MLV ZnO MLV ZnO MLV ZnO Working Voltage 0-24VDC 0-30VDC 0-5.5VDC 0-5.5VDC Array Package SOT23 (2), (No. of Lines) 0805 (4) 0-120VDC range by type 0-18VDC 0-18VDC 0-42VDC DIP, SOIC (6, 14) SOT23 SC70 (2,4,5), SOT23 (2,4,5), SOT143 (3), SC70-6 (3) No No 0805 (4) 1206 No (4) TSSOP-8 (4), MSOP-8 (6) (4) Single Line Package 0603 No No No 0402-1210 0402-1206 ––––– 0402, 0603 Typical Device Capacitance 0.05pF 3-5pF 30pF 47pF 40-6000pF 40-1700pF 45-430pF 3-22pF Leakage Current
<strong>Introduction</strong> <strong>to</strong> <strong>Circuit</strong> <strong>Protection</strong> Transien<strong>to</strong>logy Overvoltage Application Guide Power Mains <strong>Protection</strong> Industrial Environment Telecom/Datacom Au<strong>to</strong>motive Electronics Application Examples <strong>Circuit</strong> Examples Transient Threat Device Family Technology TMOV ® , UltraMOV Uninterruptible Power Supply (UPS) EFT, Lightning LA, C-III, ZA, 5KP, 15KP, AK6, AK10 MOV MOV SAD Power Supply EFT, Lightning UltraMOV, LA, TMOV ZA, HA, CH 5KP, 15KP, AK6, AK10 MOV MOV SAD Consumer Electronics EFT, Lightning UltraMOV, LA, ZA, CH, TMOV 1.5KE, 5KP MOV SAD AC line protection Power Meter Lightning TMOV, UltraMOV, C-III 5KP MOV SAD AC Power Taps EFT, Lightning UltraMOV, LA, HA, Hx34 MOV MOV AC Panels EFT, Lightning, UltraMOV, C-III, HA, HB34, DA/DB, 5KP, 15KP, 8K6, 8K10 MOV MOV SAD AC Appliance Control EFT, Lightning TMOV, UltraMOV, LA, CH SMBJ, P6KE, 1.5KE MOV SAD TVSS devices TVSS <strong>Protection</strong> Modules Lightning TMOV, HA, Hx34, UltraMOV 5KP, 15KP, AK6, AK10 SL1002, SL1011, SL0902, SL1003 MOV SAD Gas Plasma <strong>Circuit</strong> Breakers EFT, Lightning UltraMOV, LA, ZA MOV Robotics EFT, Lightning, Commutative Spikes, Inductive Load Switching UltraMOV, CH, LA, C-III, ZA SMBJ, P6KE, 1.5KE, 5KP, 15KP MOV SAD Large Mo<strong>to</strong>rs, Pumps, Compressors EFT, Lightning, Commutative Spikes, Inductive Load Switching UltraMOV, CH, HA, Hx34, BA/BB DA/DB, PA, RA MOV MOV High energy systems Mo<strong>to</strong>r Drives EFT, Lightning, Commutative Spikes, Inductive Load Switching UltraMOV, TMOV, LA, C-III, RA, CH SMBJ, P6KE, 1.5KE, 5KP, 15KP MOV SAD AC Distribution EFT, Lightning, Commutative Spikes, Inductive Load Switching UltraMOV, C-III, HA, Hx34, BA/BB, DA/DB 5KP, 15KP, AK6, AK10 MOV SAD High Current Relays EFT, Lightning, Commutative Spikes UltraMOV, C-III, HA, Hx34, BA/BB, DA/DB MOV SLIC (subscriber line interface circuit) Telecom Lightning PXXXI, PXXXIUA/C, PXXXICA2, SIDAC<strong>to</strong>r ® Devices Tip and Ring PXXXLSA/C, BXXXXUA/C, BXXXOCA/C, Battrax Devices SL1OO2, SL1011, SL0902, SL1003 Gas Plasma www.littelfuse.com Pulseguard ® Cus<strong>to</strong>mer Premise Equipment High-Speed Data Interfaces: ESD PGB1 Polymer - Fax machine - Answering machine - SLIC hardware SIDAC<strong>to</strong>r USB 2.0, IEEE 1394, RF antenna circuits Lightning PXXXXIUA/C, PXXXICA2, PXXXISA/C ® Devices PXXXXSA/B/C, PXXXXSA/B/CMC, SIDAC<strong>to</strong>r ® - xDSL gateway - Dial-up modem - Set <strong>to</strong>p box - T1/E1/ISDN termination equipment - Public phone - Cellular phone - Cordless phone - Phone Line Protec<strong>to</strong>r - LAN protection module Medium/low-speed Data Interfaces: USB 1.1, Ethernet, RS 232 ESD, EMI, EFT PXXXXUA/B/C, PXXX3UA/C, PXXX6UA/C BXXXXUA/C, BXXXOCA/C, SL1002, SL1011, SL0901, SL1003 SP05x, SP72x, SPUSB1, ML, MLE, MLN, MHS Devices Gas Plasma TVS diode MLV Telecom Interface (secondary): Lightning ST10A/B/C, PXXXXSA, SIDAC<strong>to</strong>r ® Tip/Ring <strong>Circuit</strong>s SL1002, SL1011, SL0902, SL1003 Devices Gas Plasma Power Inputs: 120/240 VAC, up <strong>to</strong> 120 VDC Lightning P6KE, 1.5KE, CH, ZA, UltraMOV SAD MOV Interface Equipment - PBX systems Conversion Equipment - Cellular base station Telecom Interface (primary): Lightning PXXXXEA/EB/EC/SA/SB/SC,SL1122 SIDAC<strong>to</strong>r ® - Internet gateways - DSLAM equipment - Satellite base station - Microwave base station Tip/Ring <strong>Circuit</strong>s SL1002, SL1003, SL1011, SL0902, SL1026 Devices Gas Plasma T10A/B/C, PXXXXUA/B/C, PXXXXSA/B/CMC, Central Office Equipment Telecom Interface (primary): Lightning PXXX3UA/C, PXXX6UA/C, PXXXXSA/SB/SC, SIDAC<strong>to</strong>r ® - Interexchange carrier - Local exchange carrier - Mobile telephone switch - Repeater/node - Railroad signaling - T1/E1/J1 - xDSL - DSLAM Tip/Ring <strong>Circuit</strong>s Power Inputs: 120/240 VAC, up <strong>to</strong> 120 VDC Lightning Devices PXXXXEA/EB/EC, SL1002, SL1003, Gas Plasma SL0902, SL1011, SL1026, SL1022 , P6KE, 1.5KE SAD CH, ZA, UltraMOV MOV Engine Control Module Body/Chassis Control Multimedia systems - Radio/satellite tuner High-Speed Interfaces: ESD PGB1 PulseGuard ® - Body controller - Antilock braking system - Steering sensor - Illumination control - Instrument cluster - Air bag module - Window control module - Wiper module - Door lock module - CD/cassette players - DVD/VCR players - MP3 players - Data interface buses Telematics systems - Wireless communication - GPS receiver - Navigation system - Security system USB 2.0, IEEE 1394, RF antenna <strong>Circuit</strong>s Medium/Low-Speed Interfaces: USB 1.1, CAN Power Inputs: Up <strong>to</strong> 42 VDC ESD, EMI Load Dump and Inductive Switching SP05x, SP72x, SPUSB1, ML, MLE, MLN, MHS AUML, P6K, P6SMBJ, 5KP 1KSMBJ, SLD CH, ZA Polymer TVS diode MLV MLV SAD SAD MOV HID Switching N/A XT Gas Plasma 23 1 INTRODUCTION TO CIRCUIT PROTECTION