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| SMAJ170A Transient Voltage Suppressors Pppm300W IFSM40A SMA/DO-214AC FEATURE Low profile package Ideal for surface mount pick and place applications Excellent clamping capability Very fast response time Low incremental surge resistance Glass passivated chip junction High temperature soldering guaranteed 260/10sec/at terminals MECHANICAL DATA TerminalPlated axial leads solderable per MIL-STD 202E, method 208C CaseMolded with UL-94 Class V-0 recognized Flame Retardant Epoxy Polaritycolor band denotes cathode end Mounting positionany Dimensions in inches and (millimeters) MAXIMUM RATINGS (TA = 25 unless otherwise noted) C Parameter Peak pulse power dissipation with a 10/1000 s waveform (1,2) (Fig. 1) Peak pulse current with a waveform (1) Breakdown Voltage at IT=1mA Maximum Reverse Leakage at VWM=170V Maximum Clamping Voltage at IPPM Peak forward surge current 8.3 ms single half sinewave uni-directional only(2) Maximum instantaneous forward voltage at 25A for uni-directional only Typical thermal resistance, junction-to-lead Typical thermal resistance, junction-to--ambient Operating junction and Storage temperature range Symbol PPPM IPPM VBR IR VC IFSM VF Rth(jl) Rth(ja) Tj,Tstg SMAJ170A 300 1.09 189min 209max 1.0 275 40 3.5 30 120 -55 to +150 units W A V A V A V C/W C/W Note: (1) Non-repetitive current pulse, per Fig. 3 and derated above TA = 25 per Fig. 2. Rating is 300W above 78V C (2) Mounted on 0.2x0.2(5.0x5.0mm) copper pads to each terminal Rev.A1 www.gulfsemi.com RATINGS AND CHARACTERISTIC CURVES SMAJ170A Rev.A1 www.gulfsemi.com |
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