SMAJ18CA

RoHS SMAJ SERIES  COMPLIANT   Surface Mount Transient Voltage Suppressor Diodes Uni-directional Features ● For surface mounted applications ● Low-profile package ● Ideal for automated placement ● Available in Unidirectional and Bidirectional ● 400 W peak pulse power capability with a 10/1000 μs waveform ● Low incremental surge resistance, excellent clamping capability ● Very fast response time ● High temperature soldering guaranteed: 260 °C/10 s at terminals Bi-directional ● Meets MSL level 1 ● Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC Typical Applications Use in sensitive electronics protection against voltage transients induced by inductive load switching and lighting on ICs, MOSFET, signal lines of sensor units for consumer, computer, industrial, telecommunication. Mechanical Data ● Package: DO-214AC (SMA)　 　 Molding compound meets UL 94 V-0 flammability rating, RoHS-compliant, halogen-free ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 ● Polarity: For uni-directional types the band denotes cathode end, no marking on bi-directional types 　 ■Maximum Ratings (Ta=25℃ Unless otherwise specified） PARAMETER SYMBOL UNIT Max Peak power dissipation, with a 10/1000us waveform (1) (2) (Fig.1) PPPM W 400 Peak pulse current, with a 10/1000us waveform (1) IPPM A See Next Table Power dissipation, on infinite heat sink at TL=75℃ PD W 1.0 Peak forward surge current, 8.3 ms single half sine-wave unidirectional only (2) IFSM A 40 TJ,TSTG ℃ -55 to +150 SYMBOL UNIT VALUE Maximum instantaneous forward voltage @ at 25A for unidirectional only (3) VF V 3.5/5.0 Maximum instantaneous forward voltage @ at 1A for unidirectional only VF V 1.5 Operating junction and storage temperature range ■Electrical Characteristics（Ta=25℃ Unless otherwise specified） PARAMETER 1/7 S-S096 Rev. 2.3, 17-Apr-19 Yangzhou Yangjie Electronic Technology Co., Ltd. www.21yangjie.com SMAJ SERIES    ■Thermal Characteristics （Ta=25℃ Unless otherwise specified） PARAMETER SYMBOL UNIT Conditions VALUE RθJL ℃/W junction to lead 30 RθJA ℃/W junction to ambient 120 Thermal resistance(Typical) Notes: (1) Non-repetitive current pulse, per Fig. 3 and derated above TA= 25℃per Fig.2. (2) (3) Mounted on 0.2 x 0.2" (5.0 x 5.0 mm) copper pads to each terminal VF