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NSA5.0AFT3G 400 Watt Peak Power Zener Transient Voltage Suppressor Littelfuse.com Unidirectional The NSA5.0AFT3G is designed to protect voltage sensitive components from high voltage, high energy transients. It has excellent clamping capability, high surge capability, low zener impedance and a fast response time. The NSA5.0AFT3G is ideally suited for use in communication systems, automotive, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications. PLASTIC SURFACE MOUNT ZENER OVERVOLTAGE TRANSIENT SUPPRESSOR 400 W PEAK POWER Features • • • • • • • • Peak Power − 400 W @ 1 ms ESD Rating of Class 3 (> 16 kV) per Human Body Model ESD Rating IEC 61000−4−2 (> 30 kV) Response Time is Typically < 1 ns Flat Handling Surface for Accurate Placement Package Design for Top Slide or Bottom Circuit Board Mounting Low Profile Package This is a Pb−Free Device CATHODE SMA−FL CASE 403AA MARKING DIAGRAM Mechanical Characteristics: CASE: Void-free, transfer-molded plastic FINISH: All external surfaces are corrosion resistant and leads are readily solderable MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES: 260°C for 10 Seconds POLARITY: Cathode indicated by molded polarity notch or polarity band ANODE 4AA AYWWG 4AA A Y WW G = Device Code = Assembly Location = Year = Work Week = Pb−Free Package MOUNTING POSITION: Any ORDERING INFORMATION Device Package Shipping NSA5.0AFT3G SMA−FL (Pb−Free) 5000/Tape & Reel DEVICE MARKING INFORMATION See specific marking information in the device marking column of the Electrical Characteristics table on page 2 of this data sheet. Specifications subject to change without notice. © 2016 Littelfuse, Inc. September 19, 2016 − Rev. 0 1 Publication Order Number: NSA5.0AF/D NSA5.0AFT3G MAXIMUM RATINGS Rating Symbol Value Unit Peak Power Dissipation (Note 1) @ TL = 25°C, Pulse Width = 1 ms PPK 400 W DC Power Dissipation @ TL = 75°C Measured Zero Lead Length (Note 2) Derate Above 75°C Thermal Resistance from Junction to Lead PD 1.5 W RqJL 20 50 mW/°C °C/W W mW/°C °C/W DC Power Dissipation (Note 3) @ TA = 25°C Derate Above 25°C Thermal Resistance from Junction to Ambient PD RqJA 0.5 4.0 250 Forward Surge Current (Note 4) @ TA = 25°C IFSM 40 A TJ, Tstg −65 to +150 °C Operating and Storage Temperature Range Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. 10 X 1000 ms, non−repetitive. 2. 1″ square copper pad, FR−4 board. 3. FR−4 board, using Littelfuse minimum recommended footprint, as shown in 403AA case outline dimensions spec. 4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum. ELECTRICAL CHARACTERISTICS I (TA = 25°C unless otherwise noted) IF Parameter Symbol IPP Maximum Reverse Peak Pulse Current VC Clamping Voltage @ IPP VRWM IR VBR VC VBR VRWM Working Peak Reverse Voltage V IR VF IT Maximum Reverse Leakage Current @ VRWM Breakdown Voltage @ IT IT Test Current IF Forward Current VF Forward Voltage @ IF IPP Uni−Directional TVS ELECTRICAL CHARACTERISTICS Device Device Marking VRWM (Note 5) IR @ VRWM Volts mA VC @ IPP (Note 7) Breakdown Voltage VBR (Volts) (Note 6) Min Nom Max @ IT VC IPP C Typ. (Note 8) mA Volts Amps pF VF @ IF (Note 9) Max V NSA5.0AFT3G QA 5.0 400 6.4 6.7 7.0 10 9.2 43.5 2450 3.5 5. A transient suppressor is normally selected according to the working peak reverse voltage (VRWM), which should be equal to or greater than the DC or continuous peak operating voltage level. 6. VBR measured at pulse test current IT at an ambient temperature of 25°C. 7. Surge current waveform per Figure 2 and derate per Figure 3. 8. Bias voltage = 0 V, F = 1.0 MHz, TJ = 25°C. 9. 1/2 sine wave or equivalent, PW = 8.3 ms, non−repetitive, IF = 30 A. Specifications subject to change without notice. © 2016 Littelfuse, Inc. September 19, 2016 − Rev. 0 2 Publication Order Number: NSA5.0AF/D NSA5.0AFT3G RATING AND TYPICAL CHARACTERISTIC CURVES 120 NONREPETITIVE PULSE WAVEFORM SHOWN IN FIGURE 2. TA = 25°C 10 Ippm, PEAK PULSE CURRENT (%) Ppk , PEAK POWER (kW) 100 1 0.1 10-4 100 0.1 0.01 tP, PULSE WIDTH (ms) 1 PEAK VALUE Ippm 80 60 HALF VALUE - Ipp/2 40 10/1000 ms WAVEFORM AS DEFINED BY R.E.A. 20 0 0.001 10 td 0 1 2 3 5 4 t, TIME (ms) Figure 1. Pulse Rating Curve Figure 2. Pulse Waveform 120 10,000 10 x 1000 WAVEFORM AS DEFINED BY R.E.A. 100 C, CAPACITANCE (pF) PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT TA = 25°C PW (ID) IS DEFINED AS THE POINT WHERE THE PEAK CURRENT DECAYS TO 50% OF Ipp. ≤ 10 ms 80 60 40 TJ = 25°C F = 1 MHz NSA5.0AF 1,000 100 10 20 0 1 0 40 80 120 160 TA, AMBIENT TEMPERATURE (°C) 200 1 PD , MAXIMUM POWER DISSIPATION (WATTS) Figure 3. Pulse Derating Curve 10 BIAS VOLTAGE (VOLTS) 100 Figure 4. Typical Junction Capacitance vs. Bias Voltage 6 5 4 @ TL = 75°C PD = 1.5 W 3 2 @ TA = 25°C PD = 0.5 W 1 0 0 25 50 100 75 T, TEMPERATURE (°C) 125 150 Figure 5. Steady State Power Derating Specifications subject to change without notice. © 2016 Littelfuse, Inc. September 19, 2016 − Rev. 0 3 Publication Order Number: NSA5.0AF/D NSA5.0AFT3G PACKAGE DIMENSIONS SMA−FL CASE 403AA−01 ISSUE O E E1 NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. CONTROLLING DIMENSION: MILLIMETERS. D DIM A b c D E E1 L TOP VIEW A c 2X MILLIMETERS MIN MAX 0.90 1.10 1.25 1.65 0.15 0.30 2.40 2.80 4.80 5.40 4.00 4.60 0.70 1.10 RECOMMENDED SOLDER FOOTPRINT C SIDE VIEW SEATING PLANE 1.76 5.56 b 1.30 2X DIMENSIONS: MILLIMETERS L BOTTOM VIEW 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 Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. Littelfuse.com Specifications subject to change without notice. © 2016 Littelfuse, Inc. September 19, 2016 − Rev. 0 4 Publication Order Number: NSA5.0AF/D