SMF3.3A

东沃电子 SMF3V3A DOWOSEMI Working Voltage: 3.3V Peak Pulse Power: 200 W Surface Mount Transient Voltage Suppressors Features ● ● ● ● ● ● ● SOD-123 Glass passivated chip 200 W peak pulse power capability with a 10/1000 μs waveform, repetitive rate (duty cycle):0.01 % Low leakage Unidirectional unit Excellent clamping capability Very fast response time RoHS compliant Mechanical Data ● ● ● ● DO ● Case: Molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: Solderable per MIL-STD-750, method 2026 Polarity: Color band denotes cathode end Device Marking Code: FD Mounting position: Any WO ● Dimensions : inch [ mm ] Maximum Ratings(TA=25℃ unless otherwise noted) Parameter Peak power dissipation with a 10/1000μs waveform(1) Breakdown voltage @ IT = 10mA Working PeakReverse Voltage Maximum Reverse Leakage @ VRWM Peak pulse current with a 10/1000μs waveform(1) Maximum Clamping Voltage @ IPP Power dissipation on infinite heatsink at TL = 75 °C Peak forward surge current, 8.3 ms single half sine Maximum instantaneous forward voltage at 25 A Operating junction and storage temperature range Symbol PPP VBR VRWM IR IPP Vc PD IFSM VF TJ, TSTG Value 200 5.2-6.0 3.3 600 25.0 8.0 0.4 20 3.5 –55 to +150 Unit Watts Volts Volts μAmps. Amps. Volts Watts Amps. Volts °C Note: (1)Non-repetitive current pulse per Fig.3 and derated above TA= 25 °C per Fig.1. (2)Measured on 8.3 ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum. P. 1 东沃电子 SMF3V3A DOWOSEMI Ratings and Characteristics Curves (TA=25℃ unless otherwise noted) 30 100 25 100 75 150 Peak Forward Surge Current, (A) Peak Pulse Derating in Percentage of Peak Power or Current, (%) FORWARD CURRENT, (A) AVERAGE TEMPERATURE , (℃) AMBIENT 100 0 0 50 25 0 0 25 50 75 100 125 150 175 1 100 1 Fig. 2 - Maximum Non-Repetitive Surge Current 10 0.4 0.4 0.3 150 0 0.2 0.1 0 WO 0 75 0.4 Peak Power (kW) 0.5 DO Steady State Power Dissipation, (W) 0.6 25 50 75 100 125 150 175 200 Lead Temperature , TL (℃) Fig. 3 - Steady State Power Derating Curve Tr=10μs Peak Value0 (Ipp) Peak Pulse Current , (% ) 100 0.1 7 5300 0.1 1 0.1 0.1 1 10 100 Pulse Width ,td (μs) 1000 10000 Fig. 4 - Steady State Power Derating Curve TJ = 25 °C Pulse Width (td) is defined as the 0 point where the peak current decays to 50 % 100 of Ipp 0.2 0.5 76 Half Value = Ipp 1 50 2 1.5 33 2 23 10/1000 μsec. Waveform as defined by R.E.A. 3 13 4 10 50 td 0 100 10 Number of Cycles at 60 Hz Fig. 1 - Pulse Derating Curve 0 8.3 ms Single Half Sine-Wave 10 Ambient Temperature ,TA (℃) 0.0 5 20 0 200 20 TJ = TJ max. 1 2 Time , (ms) 3 4 Fig. 5 - Pulse Waveform P. 2