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Pinout and Functional Block Diagram Life Support Note: Not Intended for Use in Life Support or Life Saving Applications The products shown herein are not designed for use in life sustaining or life saving applications unless otherwise expressly indicated. The SC1103C includes TVS diodes fabricated in a proprietary silicon avalanche technology protect each I/O pin to provide a high level of protection for electronic equipment that may experience destructive electrostatic discharges (ESD). These robust diodes can safely absorb repetitive ESD strikes at ±30kV (contact discharge, IEC 61000-4-2) without performance degradation. Additionally, each diode can safely dissipate 80A of 8/20μs surge current (IEC 61000-4-5, 2nd edition) with very low clamping voltages. ■ ESD, IEC 61000-4-2, ±30kV contact, ±30kV air ■ EFT , IEC 61000-4-4, 40A (5/50ns) ■ Surge Tolerance, IEC 61000- 4-5 2nd edition, 80A (tP=8/20μs) ■ Low clamping voltage ■ Low leakage current ■ Moisture Sensitivity Level(MSL -1) ■ Halogen-Free, Lead-Free and RoHS-compliant ■ Switches / Buttons ■ Test Equipment / Instrumentation ■ Point-of-Sale Terminals ■ Medical Equipment ■ Notebooks / Desktops / Servers ■ Computer Peripherals PIN 1 PIN 2

TVS Diode Arrays (SPA® Diodes) Datasheet © 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/25/21 SC1103C-01UTG 80A Discrete Bidirectional TVS Diode, Lightning Surge Protection Absolute Maximum Ratings CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the component. This is a stress only rating and operation of the component at these or any other conditions above those indicated in the operational sections of this specification is not implied. Symbol Parameter Value Units Ppk Peak Pulse Power (tp=8/20μs) 720 W TOP Operating Temperature -40 to 125 °C TSTOR Storage Temperature -55 to 150 °C Electrical Characteristics (T OP=25ºC) Note: 1. Parameter is guaranteed by design and/or component characterization. 2.Transmission Line Pulse (TLP) with 100ns width, 0.2ns rise time, and average window t1=70ns to t2= 90ns Parameter Symbol T est Conditions Min Ty p Max Units Reverse Standoff Voltage VRWM IR≤1μA - - 3.3 V Breakdown Voltage VBR IR=1mA 3.4 3.8 5 V Leakage Current ILEAK VR=3.3V - - 1 μA Clamp Voltage1 VC IPP=40A, tp=8/20µs, Fwd - 6 - V IPP=80A, tP=8/20μs, Fwd - 9 - V Dynamic Resistance2 RDYN TLP , tP=100ns, I/O to GND - 0.02 - Ω Peak Pulse Current Ipp tp=8/20µs - - 80 A ESD Withstand Voltage1 VESD IEC 61000-4-2 (Contact Discharge) ±30 - - kV IEC 61000-4-2 (Air Discharge) ±30 - - kV Diode Capacitance1 CIO-GND Reverse Bias=0V , f=1MHz - 130 - pF VR Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation VBR Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT) VC Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current) IR Reverse Leakage Current -- Current measured at VR Vc VBR VR IR IT Ipp V VcVBRVR Ipp IR IT Bi-directional I I-V Curve Characteristics

TVS Diode Arrays (SPA® Diodes) Datasheet © 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/25/21 SC1103C-01UTG 80A Discrete Bidirectional TVS Diode, Lightning Surge Protection Capacitance vs Reverse Bias 0.0 30.0 60.0 90.0 120.0 150.0 Capacitance (pF) Bias Voltage (V) Clamping Voltage vs IPP 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 20 30 40 50 60 70 80 Clamp Voltage (VC) Peak Pulse Current-IPP (A) Positive T ransmission Line Pulsing (TLP) Plot 012345678 91 0 TLP Voltage (V) TLP Current (A)TLP Current (A) Negative T ransmission Line Pulsing (TLP) Plot -24 -22 -20 -18 -16 -14 -12 -10 TLP Voltage (V) TLP Current (A) IEC 61000-4-2 +8 kV Contact ESD Clamping Voltage IEC 61000-4-2 -8 kV Contact ESD Clamping Voltage

TVS Diode Arrays (SPA® Diodes) Datasheet © 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/25/21 SC1103C-01UTG 80A Discrete Bidirectional TVS Diode, Lightning Surge Protection Part Number Package Min. Order Qty. SC1103C-01UTG 1 .6x1 .0mm DFN 3000 Time Temperature TP TL TS(max) TS(min) tP tL tS time to peak temperature PreheatPreheat Ramp-upRamp-up Ramp-downRamp-do Critical Zone TL to TP Critical Zone TL to TP Reflow Condition Pb – Free assembly Pre Heat - T emperature Min (Ts(min)) 150°C - T emperature Max (Ts(max)) 200°C - Time (min to max) (ts) 60 – 120 secs Average ramp up rate (Liquidus) T emp (TL) to peak 3°C/second max TS(max) to TL - Ramp-up Rate 3°C/second max Reflow - T emperature (TL) (Liquidus) 217°C - T emperature (tL) 60 – 150 seconds Peak T emperature (TP) 260+0/-5 °C Time within 5°C of actual peak T emperature (tp) 30 seconds Ramp-down Rate 6°C/second max Time 25°C to peak T emperature (TP) 8 minutes Max. Do not exceed 260°C Soldering Parameters

Ordering Information

T= Tape & Reel G= Green U: 1.6x1.0mm DFN USC TVS Diode Arrays (SPA Diodes) AVF x Date code Assembly sitePart code PIN1 Part Marking System Part Numbering System 8/20μs Pulse Waveform 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 110% Time (/uni03BCs) Percent of IPP

TVS Diode Arrays (SPA® Diodes) Datasheet © 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/25/21 SC1103C-01UTG 80A Discrete Bidirectional TVS Diode, Lightning Surge Protection Symbol 1.6x1.0mm DFN Millimeters Inches Min Ty p Max Min Ty p Max A1 - 0.02 0.05 - 0.001 0.002 e 1 .10 BSC 0.043 BSC Package Dimensions — 1610DFN Symbol Millimeters A0 1 .14 +/- 0.03 B0 1 .75 +/- 0.03 K0 0.67 +/- 0.05 F 3.50 +/- 0.05 P1 2.00 +/- 0.10 W 8.00 +/- 0.10 Embossed Carrier Tape & Reel Specification — 1610DFN Product Disclaimer: Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to W AO P1 0.50 ±0.05 Do 1.50 0.10 0.00 2.00 0.05(I) PO 4.00 0.1(II) F(III) 1.75 0.1 Y Y X X BO KO T 0.20 0.02 SECTION Y-Y REF 3° SECTION X-X User Feeding Direction Pin 1 Location D E L e b h h A Top View Bottom View Side View 1 2 1 2 Pin1 Recommended Soldering pad layout (mm) 1.00 0.58 1.70 0.58