SMF4L20A-Q Bourns

Features Applications n Surface Mount SOD-123FL package n Protection of power buses n Standoff Voltage: 12 to 58 volts n Protection of I/O interfaces n Power Dissipation: 400 watts n Overvoltage transient protection n RoHS compliant* n Telecom, computer, industrial and consumer electronics applications n AEC-Q101 compliant** SMF4L-Q Transient Voltage Suppressor Diode Series General Information Bourns offers Transient Voltage Suppressor Diodes for surge and ESD protection applications, in compact chip package SOD-123FL size format. The Transient Voltage Suppressor series offers a choice of Working Peak Reverse Voltage from 12 V up to 58 V. Typical fast response times are less than 1.0 picosecond from 0 V to Breakdown Voltage. Bourns Chip Diodes conform to JEDEC standards, are easy to handle with standard pick and place equipment and the flat configuration minimizes roll away. Absolute Maximum Ratings ( T = 25 C Unless Otherwise Noted) A Parameter Symbol Value Unit 1 Maximum Peak Pulse Power Dissipation (10/1000 s) P 400 W PPM Peak Forward Surge Current I 50 A FSM 8.3 ms Single Half Sine Wave Superimposed on Rated Load (JEDEC Method) Operating Temperature Range T -55 to +150 C J Storage Temperature Range T -55 to +150 C STG 1 Non-repetitive current pulse, per Pulse Waveform graph and derated above = 25T C. A Electrical Characteristics ( T = 25 C Unless Otherwise Noted) A Working Maximum Maximum Maximum Breakdown Voltage Peak Reverse Reverse Reverse Unidirectional Device V (Volts) Reverse Leakage Voltage Surge BR Voltage V I Current RWM RSM Part No. Marking Min. Max. I (mA) V (V) I (A) V (V) I (A) T RWM R RSM RSM SMF4L12A-Q LEQ 13.3 14.7 1.0 12 1.0 19.9 20.1 SMF4L13A-Q LGQ 14.4 15.9 1.0 13 1.0 21.5 18.6 SMF4L14A-Q LKQ 15.6 17.2 1.0 14 1.0 23.2 17.2 SMF4L15A-Q LMQ 16.7 18.5 1.0 15 1.0 24.4 16.4 SMF4L16A-Q LPQ 17.8 19.7 1.0 16 1.0 26.0 15.4 SMF4L17A-Q LRQ 18.9 20.9 1.0 17 1.0 27.6 14.5 SMF4L18A-Q LTQ 20.0 22.1 1.0 18 1.0 29.2 13.7 SMF4L20A-Q LVQ 22.2 24.5 1.0 20 1.0 32.4 12.3 SMF4L22A-Q LXQ 24.4 26.9 1.0 22 1.0 35.5 11.3 SMF4L24A-Q LZQ 26.7 29.5 1.0 24 1.0 38.9 10.3 SMF4L26A-Q MEQ 28.9 31.9 1.0 26 1.0 42.1 9.5 SMF4L28A-Q MGQ 31.1 34.4 1.0 28 1.0 45.4 8.8 SMF4L30A-Q MKQ 33.3 36.8 1.0 30 1.0 48.4 8.3 SMF4L33A-Q MMQ 36.7 40.6 1.0 33 1.0 53.3 7.5 SMF4L36A-Q MPQ 40.0 44.2 1.0 36 1.0 58.1 6.9 SMF4L40A-Q MRQ 44.4 49.1 1.0 40 1.0 64.5 6.2 SMF4L43A-Q MTQ 47.8 52.8 1.0 43 1.0 69.4 5.8 SMF4L45A-Q MVQ 50.0 55.3 1.0 45 1.0 72.7 5.5 SMF4L48A-Q MXQ 53.3 58.9 1.0 48 1.0 77.4 5.2 SMF4L51A-Q MZQ 56.7 62.7 1.0 51 1.0 82.4 4.9 SMF4L54A-Q NEQ 60.0 66.3 1.0 54 1.0 87.1 4.6 SMF4L58A-Q NGQ 64.4 71.2 1.0 58 1.0 93.6 4.3 WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov *RoHS Directive 2015/863, Mar 31, 2015 and Annex. **Q part number suffix for automotive and other applications requiring appropriate AEC-Q101 compliance. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. L V Q 88 SMF4L-Q Transient Voltage Suppressor Diode Series Performance Graphs Peak Pulse Power Derating Curve Maximum Non-Repetitive Surge Current 10 100 Non-repetitive pulse 87.5 waveform shown at right, T = 25 C A 75 62.5 50 1 37.5 25 12.5 0 0.1 0.1 s 1.0 s 10 s 100 s 1 ms 10 ms 0 25 50 75 100 125 150 175 t - Pulse Width (sec.) T - Ambient Temperature (C) d A Pulse Waveform Steady State Power Derating Curve 1.2 TR = 10 s Peak value (IRSM) 100 1 Half value = IRSM/2 0.8 Pulse width (TP) is defined as that point where the peak current 0.6 decays to 50 % of IRSM 50 0.4 10 x 1000 waveform TA = 25 C as defined by R.E.A. TP 0.2 0 0 0 1.0 2.0 3.0 4.0 0 25 50 75 100 125 150 175 T - Time (ms) T - Lead Temperature (C) L Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. IP - Peak Pulse Current (%) P - Peak Pulse Power (kW) PPM Peak Pulse Power Derating in Percent Steady State Power Dissipation (W) of Peak Power or Current