SMAJ6.8CA

SMAJ6.8(C)A Glass passivated chip ■ 400 W peak pulse power capability with a 10/1000 us waveform, repetitive rate (duty cycle):0.01 % ■ Excellent clamping capability ■ Low reverse leakage ■ Very fast response time ■ Lead and body according with RoHS standard ÄÅÄÆÇÈÉÅÆÄÊ ÄÅÄËÌÈÉÅÇÄÊ ■ ÄÅÉÉËÈÇÅÏÄÊ ÄÅÄÏÍÈÇÅÎÄÊ SMA/DO-214AC  Features ÄÅÉÍÉÈËÅÆÄÊ ÄÅÉÎÌÈËÅÄÄÊ ÄÑÄÉÇÈÄÑÐÄÎÊ ÄÑÄÄÆÈÄÅÉÎÇÊ ÄÅÄÄÍÈÄÅÇÄÐÊ ÄÅÄÄÇÈÄÅÄÎÉÊ ÄÅÇÄÍÈÎÅÇÍÊ ÄÅÉÍÍÈËÅÍÄÊ ÄÅÄÆÄÈÉÅÎÇÊ ÄÅÄÐÄÈÄÅÌÆÊ  Mechanical Data ■ Case: SMA/DO-214AC Molded plastic ■ Lead: Solderable per MIL-STD-750, method 2026 ■ Epoxy: UL 94V-0 rate flame retardant ■ Polarity: Color band denotes cathode end except Bipolar ■ Mounting position: Any Dimensions：inch[mm] Bi-directional Uni-directional  Absolute Maximum Ratings (TA=25℃ unless otherwise noted) Parameter Symbol (1) Value Unit PPP 400 W (1) IPP 38.1 A Power dissipation on infinite heatsink at TL = 75 °C PD 1.0 W Peak forward surge current, 8.3 ms single half sinewave unidirectional only(2) IFSM 40 A Maximum instantaneous forward voltage at 10 A for unidirectional only VF 3.5/5.0 V TJ，TSTG -55 to +150 ℃ Peak power dissipation with a 10/1000 us waveform Peak pulse current wih a 10/1000 us waveform Operating junction and storage temperature range Note: 1)Non-repetitive current pulse per Fig.5 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；  Electrical Characteristics（TA = 25°C unless otherwise noted） Part Number Device Reverse Breakdown Marking Stand-off Voltage Code Voltage UNI-POLAR BI-POLAR UNI BI SMAJ6.8A SMAJ6.8CA 6V8A 6V8C 0571-87006810 VRWM(V) 5.8 VBR @ IT Test Max. Clamping Current Voltage @ IPP Min.(V) Max.(V) IT(mA) VC MAX.(V) 6.46 7.14 10 10.5 www.dowosemi.cn Max. Peak Max. Reverse Pulse Current Leakage @ VRWM IPP(A) IR(uA) 38.1 1000 1／2 SMAJ6.8(C)A  Ratings and Characteristics Curves （TA = 25°C unless otherwise noted） 50 100 25 100 150 0 75 50 25 0 0 40TJ = TJ max. 1 Peak Forward Surge Current, (A) Peak Pulse Derating in Percentage of Peak Power or Current, (%) AM 100BIENAVERAGE FORWARD CURRENT, (A) 0 25 50 75 100 125 150 175 12 30 20 10 0 200 8.3 ms Single Half Sine-Wave 100 40 1 Fig. 1 - Pulse Derating Curve Fig. 2 - Maximum Non-Repetitive Surge Current 100 1.0 0 1 0.1 6 70 0.8 1 10000 0.2 ## 0 Steady State Power Dissipation, (W) 100 10 Number of Cycles at 60 Hz Ambient Temperature ,TA (℃) 10 Peak Power (kW) 0.6 0.4 1 0.2 0.0 0 25 50 75 100 125 150 175 0.1 200 0.1 1 10 Lead Temperature , TL (℃) Fig. 3 - Steady State Power Derating Curve 1000 0.2 100 0.5 Half Value = Ipp76 1 2 50 1.5 33 10/1000 μsec. Waveform 2 23 as defined by R.E.A. 3 13 4 10 50 td 0 TJ = 25 °C Pulse Width (td) is defined as the point where the peak current 0 to 50 %0of Ipp decays Junction Capacitance,CJ (pF) Peak Pulse Current , (% ) 100 1 2 10 3 4 5 450 3000 50 5 450 2000 22 1650 4 5 450 1400 5 Bi-directional @zero bias Uni-directional @zero bias Bi-directional @VRWM TJ=25 °C f=1.0MHz 1 10 100 1000 Reverse Breakdown Voltage,VBR (V) Time , (ms) Fig. 5 - Pulse Waveform 0571-87006810 10000 Uni-directi5onal 4 @5V 0RWM 100 1 0 1000 Fig. 4 - Peak Pulse Power Rating Curve 10000 Tr=10μs Peak Value (Ipp) 100 Pulse Width ,td (μs) Fig. 6 - Typical Junction Capacitance www.dowosemi.cn 2／2