SA5.0A Series 500 Watt Peak Power Littelfuse Zener Transient Voltage Littelfuse.com Suppressors Unidirectional The SA5.0A series is designed to protect voltage sensitive components from high voltage, high energy transients. They have Cathode Anode excellent clamping capability, high surge capability, low zener impedance and fast response time. The SA5.0A series is supplied in the Littelfuse exclusive, cost-effective, highly reliable axial leaded package and is ideally-suited for use in communication systems, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications. AXIAL LEAD Features CASE 59AA PLASTIC Working Peak Reverse Voltage Range 5.0 to 170 V Peak Power 500 Watts 1.0 ms ESD Rating of Class 3 (>16 kV) per Human Body Model Maximum Clamp Voltage Peak Pulse Current MARKING DIAGRAM Low Leakage < 1 A above 8.5 V UL 497B for Isolated Loop Circuit Protection Maximum Temperature Coefficient Specified A Response Time is typically < 1.0 ns SAxxxA YYWW PbFree Packages are Available* Mechanical Characteristics: CASE: Void-free, Transfer-molded, Thermosetting Plastic A = Assembly Location FINISH: All external surfaces are corrosion resistant and leads are SAxxxA = Device Number readily solderable (Refer to Table on Page 3) MAXIMUM LEAD TEMPERATURE FOR SOLDERING: YY = Year 260C, 1/16 in. from the case for 10 seconds WW = Work Week POLARITY: Cathode indicated by polarity band =PbFree Package (Note: Microdot may be in either location) MOUNTING POSITION: Any ORDERING INFORMATION Device Package Shipping SAxxxAG Axial Lead 1000 Units / Box (PbFree) SAxxxARLG Axial Lead 5000 / Tape & Reel (PbFree) SAxxxALFG** Axial Lead 2000 Units / Box (PbFree) **Lead formed device. Specifications subject to change without notice. 2016 Littelfuse, Inc. 1 Publication Order Number: September 19, 2016 Rev. 13 SA5.0A/DSA5.0A Series MAXIMUM RATINGS Rating Symbol Value Unit Peak Power Dissipation (Note 1) T 25C P 500 W L PK Steady State Power Dissipation T 25C, Lead Length = 3/8 in P 3.0 W L D 30 mW/C Derated above T = 50C L Thermal Resistance, JunctiontoLead R 33.3 C/W JL Forward Surge Current (Note 2) T = 25C I 70 A A FSM Operating and Storage Temperature Range T , T 55 to +150 C J stg Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above het Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. Nonrepetitive current pulse per Figure 4 and derated above T = 25C per Figure 5. A 2. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute. ELECTRICAL CHARACTERISTICS (T = 25C unless I A otherwise noted, V = 3.5 V Max. I (Note 6) = 35 A) F F I F Symbol Parameter I Maximum Reverse Peak Pulse Current PP V Clamping Voltage I C PP V V V V Working Peak Reverse Voltage C BR RWM RWM V I V R F I I Maximum Reverse Leakage Current V R RWM T V Breakdown Voltage I BR T I Test Current T V Maximum Temperature Variation of V I BR BR PP I Forward Current F UniDirectional TVS V Forward Voltage I F F Specifications subject to change without notice. 2016 Littelfuse, Inc. Publication Order Number: 2 September 19, 2016 Rev. 13 SA5.0A/D