Features Applications n Surface Mount SMC package n Protection of power buses n Standoff Voltage: 12 to 58 volts n Protection of I/O interfaces n Power Dissipation: 3000 watts n Overvoltage transient protection n RoHS compliant* n Entertainment applications n Comfort applications n AEC-Q101 compliant** n Telecom, computer, industrial and n Typical temperature coefficient: consumer electronics applications DV = 0.1 % x V 25 C xT D BR BR SMLJ-Q Transient Voltage Suppressor Diode Series General Information Additional Information Click these links for more information: Bourns offers Transient Voltage Suppressor Diodes for surge and ESD protection applications, in compact chip package DO-214AB (SMC) 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. PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT Bourns Chip Diodes conform to JEDEC standards, are easy to handle with standard pick LIBRARY and place equipment and the flat configuration minimizes roll away . Agency Recognition Description UL File Number: E153537 Electrical Characteristics ( T = 25 C Unless Otherwise Noted) A Parameter Symbol Value Unit (Note 1,2) Minimum Peak Pulse Power Dissipation (T = 1 ms) P 3000 Watts P PK Peak Forward Surge Current 8.3 ms Single Half Sine Wave Superimposed on Rated Load I 300 Amps FSM (Note 3) (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 T = 25 C per Pulse Derating Curve. A 2 2. Mounted on 5.0 mm (0.03 mm thick) copper pads to each terminal. 3. 8.3 ms Single Sine Wave duty cycle = 4 pulses maximum per minute (unidirectional units only). Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com Europe: Tel: +36 88 885 877 Email: eurocus bourns.com The Americas: Tel: +1-951 781-5500 Email: americus bourns.com www.bourns.com WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov *RoHS Directive 2015/863, Mar 31, 2015 and Annex. **Q part number suffix indicates 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. SMLJ-Q Transient Voltage Suppressor Diode Series Electrical Characteristics ( T = 25 C Unless Otherwise Noted) A Maximum Maximum Maximum Maximum Working Maximum Breakdown Clamping Peak Clamping Peak Unidirectional De- Peak Reverse Voltage Pulse Voltage Pulse Bidirectional Device Voltage vice Reverse Leakage I Current I Current V (Volts) pp pp BR Voltage V RWM (10/1000 s) (8/20 s) (10/1000 s) (8/20 s) Part Part Part Part I V I V I V I T RWM R c pp c pp Min. Max. Number Marking Number Marking (mA) (Volts) (A) (V) (A) (V) (A) SMLJ12A-Q HEEQ SMLJ12CA-Q IEEQ 13.3 14.7 1 12 2 19.9 150.60 25.90 754.00 SMLJ13A-Q HEGQ SMLJ13CA-Q IEGQ 14.4 15.9 1 13 2 21.5 139.40 28.00 697.50 SMLJ14A-Q HEKQ SMLJ14CA-Q IEKQ 15.6 17.2 1 14 2 23.2 129.40 30.20 646.50 SMLJ15A-Q HEMQ SMLJ15CA-Q IEMQ 16.7 18.5 1 15 2 24.4 123.00 31.70 615.00 SMLJ16A-Q HEPQ SMLJ16CA-Q IEPQ 17.8 19.7 1 16 2 26.0 115.40 33.80 577.00 SMLJ17A-Q HERQ SMLJ17CA-Q IERQ 18.9 20.9 1 17 2 27.6 106.60 35.90 543.50 SMLJ18A-Q HETQ SMLJ18CA-Q IETQ 20.0 22.1 1 18 2 29.2 102.80 38.00 513.50 SMLJ20A-Q HEVQ SMLJ20CA-Q IEVQ 22.2 24.5 1 20 2 32.4 92.60 42.10 463.00 SMLJ22A-Q HEXQ SMLJ22CA-Q IEXQ 24.4 26.9 1 22 2 35.5 84.40 46.20 422.50 SMLJ24A-Q HEZQ SMLJ24CA-Q IEZQ 26.7 29.5 1 24 2 38.9 77.20 50.60 385.50 SMLJ26A-Q HFEQ SMLJ26CA-Q IFEQ 28.9 31.9 1 26 2 42.1 71.20 54.70 356.50 SMLJ28A-Q HFGQ SMLJ28CA-Q IFGQ 31.1 34.4 1 28 2 45.4 66.00 59.00 330.50 SMLJ30A-Q HFKQ SMLJ30CA-Q IFKQ 33.3 36.8 1 30 2 48.4 62.00 62.90 310.00 SMLJ33A-Q HFMQ SMLJ33CA-Q IFMQ 36.7 40.6 1 33 2 53.3 56.20 69.30 281.50 SMLJ36A-Q HFPQ SMLJ36CA-Q IFPQ 40.0 44.2 1 36 2 58.1 51.60 75.50 258.00 SMLJ40A-Q HFRQ SMLJ40CA-Q IFRQ 44.4 49.1 1 40 2 64.5 46.40 83.90 232.50 SMLJ43A-Q HFTQ SMLJ43CA-Q IFTQ 47.8 52.8 1 43 2 69.4 43.20 90.20 216.00 SMLJ45A-Q HFVQ SMLJ45CA-Q IFVQ 50.0 55.3 1 45 2 72.7 41.20 94.50 206.50 SMLJ48A-Q HFXQ SMLJ48CA-Q IFXQ 53.3 58.9 1 48 2 77.4 38.80 100.60 194.00 SMLJ51A-Q HFZQ SMLJ51CA-Q IFZQ 56.7 62.7 1 51 2 82.4 36.40 107.10 182.00 SMLJ54A-Q HGEQ SMLJ54CA-Q IGEQ 60.0 66.3 1 54 2 87.1 34.40 113.20 172.00 SMLJ58A-Q HGGQ SMLJ58CA-Q IGGQ 64.4 71.2 1 58 2 93.6 32.00 121.70 160.50 Notes: 1. Suffix A denotes a 5 % tolerance unidirectional device. 2. Suffix CA denotes a 5 % tolerance bidirectional device. 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.