SM4CANB Series 5W TVS Diode Array RoHS Pb GREEN Description The SM4CANB TVS Diode Array is designed to protect automotive Controller Area Network (CAN lines from damage due to electrostatic discharge (ESD, electrical fast transient (EFT, and other overvoltage transients. The SM4CANB Series can absorb repetitive ESD strikes above the maximum level specified in the IEC 6-4- international standard without performance degradation and safely dissipate A of 8/µs surge current (IEC 6-4-5 nd Edition with very low clamping voltages. Pinout and Functional Block Diagram Features Pin Pin ESD, IEC 6-4-, ±kv contact, ±kv air EFT, IEC 6-4-4,5A (5/5ns RoHS compliant and Lead-free Lightning, IEC 6-4-5 nd edition, A (tp=8/μs Low clamping voltage Low leakage current AEC-Q qualified Moisture Sensitivity Level (MSL- Functional Block Diagram Pin Applications CAN Bus Protection Automotive Networks On-Board Diagnostics Sensors, Actuators EnergyBus Industrial Control Networks Device Net Safety BUS CAN open Application Example SPLIT Additional Information CANH CAN BUS Transceiver R T/ CAN BUS Datasheet Resources Samples 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. CANL Common Mode Choke (optional C G R T/ SM4CANB-HTG (5W 7 Littelfuse, Inc. Revision: /9/7
Absolute Maximum Ratings Symbol Parameter Value Units P Pk Peak Pulse Power (t p =8/μs 5 W Peak Pulse Current (t p =8/μs. A T OP Operating Temperature -4 to 5 C T STOR Storage Temperature -55 to 5 C Notes: 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. Electrical Characteristics (T OP =5ºC Parameter Symbol Test Conditions Min Typ Max Units Reverse Standoff Voltage V RWM I R μa, Pin or Pin to Pin 4. V Reverse Breakdown Voltage V BR I T =ma, Pin or Pin to Pin 6.7 V Leakage Current I LEAK V R =4V, Pin or Pin to Pin. μa Clamp Voltage V C =8A, t p =8/µs, Pin or Pin to Pin 46. V I =A, t PP =8/µs, Pin or Pin to Pin p 4. V =A, t p =8/µs, Pin or Pin to Pin 5 V Dynamic Resistance R DYN TLP, t P =ns, Pin or Pin to Pin.6 Ω ESD Withstand Voltage V ESD IEC 6-4- (Contact Discharge ± kv IEC 6-4- (Air Discharge ± kv Diode Capacitance C I/O-GND Reverse Bias=V, f=mhz; Pin or Pin to Pin Note: Parameter is guaranteed by design and/or device characterization. Transmission Line Pulse (TLP test setting : Std.TDR(5Ω,tp=ns, tr=.ns ITLP and VTLP averaging window: star t=7ns to end t=8ns pf Pulse Waveform Capacitance vs. Reverse Bias (Pin or Pin to Pin % 5. % 9% 4. 8% Percent of 7% 6% 5% 4% Capacitance (pf.. % %. % %. 5.. 5.. 5.. Time (μs. 4 6 8 4 6 8 4 Bias Voltage (V 7 Littelfuse, Inc. Revision: /9/7
Temperature TVS Diode Arrays (SPA Diodes Clamping Voltage vs. Peak Pulse Current (Pin or Pin to Pin Transmission Line Pulsing (TLP Plot (Pinor Pin to Pin 6 8 5 6 Clamp Voltage (V C 4 TLP Current (A 4 8 6 6 4.. 5. 7. 9.. Peak Pulse Current -IPP (A 4 5 TLP Volts (V Soldering Parameters Reflow Condition - Temperature Min (T s(min 5 C Pb Free assembly T P Ramp-up t P Critical Zone TL to TP Pre Heat - Temperature Max (T s(max C - Time (min to max (t s 6 8 secs Average ramp up rate (Liquidus Temp (T L to peak T S(max to T L - Ramp-up Rate C/second max C/second max T L T S(max T S(min t S Preheat t L Ramp-down Reflow - Temperature (T L (Liquidus 7 C - Temperature (t L 6 5 seconds 5 time to peak temperature Time Peak Temperature (T P 6 +/-5 C Time within 5 C of actual peak Temperature (t p 4 seconds Ramp-down Rate 6 C/second max Time 5 C to peak Temperature (T P 8 minutes Max. Do not exceed 6 C 7 Littelfuse, Inc. Revision: /9/7
Part Marking System M4CB Part Numbering System TVS Diode Arrays (SPA Diodes Series Working Voltage CAN BUS Wattage B: 5W SM 4 CAN B H T G G= Green T= Tape & Reel Package H: SOT- Number of Channels Part Number Package Marking Min. Order Qty. Packaging Option P/P Packaging Specification SM4CANB-HTG SOT- M4CB Tape & Reel 8mm tape/7 reel 4mm/4mm EIA RS-48 Package Dimensions SOT- E A C b 5B e e D E A L E A Recommended Pad Layout P M P N Package SOT- Pins JEDEC TO-6 Millimeters Inches Min Max Min Max A M.89..5.44 A...4.4 b..5.. c.8...8 N D.8.4.. E..64.8.4 E..4.47.55 e.95 BSC.8 BSC e.9 BSC.75 BSC L.54 REF. REF M.9.9 N.95.8 O.78.TYP P.78.TYP 7 Littelfuse, Inc. Revision: /9/7 4
Embossed Carrier Tape & Reel Specification SOT- ACCESS HOLE 4.4mm mm 8mm 6mm 8mm TAPE AND REEL GENERAL INFORMATION. PIECES PER REEL.. ORDER IN MULTIPLES OF FULL REELS ONLY.. MEETS EIA-48 REVISION "A" SPECIFICATIONS. SOT- (8mm POCKET PITCH Symbol Millimetres Inches Min Max Min Max E.65.85.65.7 F.4.6.4.4 P.9..75.8 D.4.6.55.6 P.9 4..54.6 W 7.7 8...7 P.9 4..54.6 A.5.5..8 B.67.87.5. K...44.5 t..4.9.9 8.4mm USER DIRECTION OF FEED PIN COVER TAPE 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. 7 Littelfuse, Inc. Revision: /9/7 5