SMAJ3.3A

SMAJ3.3A 400W Surface Mount Transient Voltage Suppressors Features l l l l l l l l l l l Peak power dissipation 400W @10 x 1000 us Pulse Low profile package. Excellent clamping capability. Glass passivated junction. Fast response time: typically less than 1ps from 0 Volts to BV min High reliability with Planner chips. IEC 61000-4-2 ESD 30KV(Air), 30KV(Contact) ESD protection of data lines in accordance with IEC 61000-4-2 EFT protection of data lines in accordance with IEC 61000-4-4 Halogen free and RoHS compliant Lead-free finish SMA/DO-214AC Cathode Anode Uni-directional Mechanical Characteristics l l l l CASE: SMAJ (DO-214AC) Molded Plastic over glass passivated junction. Mounting Position: Any Polarity: by cathode band denotes. Terminal: Solder plated Maximum Ratings And Characteristics @ 25°C Ambient Temperature (unless otherwise noted) Parameter Symbol Value Units PPPM Min 400 W Power Dissipation on Infinite Heat Sink at TL=50°C PD 3.3 W Peak Pulse Current of on 10/1000us Waveform (Note 1, FIG.3) IPPM See Table 1 A Peak Forward Surge Current, 8.3ms Single Half Sine-Wave (Note 2. 3) IFSM 60 A TJ -55 to 150 °C TSTG -55 to 150 °C Peak Pulse Power Dissipation on 10/1000 us Waveform (Note 1, 2, FIG.1) Operating Junction Temperature Range Storage Temperature Range Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=25°C per Fig.2. 2. Mounted on 5.0x5.0mm2 (0.03mm thick) Copper Pads to each terminal. 3. Measured on 8.3ms single half sine-wave, or equivalent square wave, for Unidirectional device only. 1/4 SMAJ3.3A 400W Surface Mount Transient Voltage Suppressors Electrical Specification @ Tamb 25°C Marking Type Number SMAJ3.3A KC Reverse Stand-Off Voltage Breakdown Voltage Min. @IT Breakdown Voltage Max. @ IT Test Current Maximum Clamping Voltage @IPP Peak Pulse Current Reverse Leakage @VRMW VRWM(V) VBR MIN(V) VBR MAX(V) IT (mA) VC(V) IPP(A) IR(uA) 3.3 5.0 5.8 10 7.6 52.6 100 Remark: typical capacitance is about 1650pF. I-V Curve Characteristics Uni-directional PPPM VRWM VBR VC IR VF Peak Pulse Power Dissipation - Max power dissipation Reverse Stand-off Voltage - Maximum voltage that can be applied to TVS without operation Breakdown Voltage – Maximum voltage that flows though the TVS at a specified current (IT) Clamping Voltage – Peak voltage measured across the TVS at a specified IPPM (peak impulse current) Reverse Leakage Current – Current measured at VR Forward Voltage Drop for Uni-directional 2/4 SMAJ3.3A 400W Surface Mount Transient Voltage Suppressors Ratings and Characteristic Curves (TA=25°C unless otherwise noted) Fig.1 Peak Pulse Power Rating Fig.2 Pulse Derating Cure Fig.3 Pulse Waveform 3/4 SMAJ3.3A 400W Surface Mount Transient Voltage Suppressors Package Outline Dimensions and Pad Layouts DO-214AC (SMA) Dim Millimeters Inches Min Max Min Max A 3.99 4.50 0.157 0.177 B 2.54 2.79 0.100 0.110 C 1.25 1.65 0.049 0.065 D 0.152 0.305 0.006 0.012 E 4.93 5.28 0.194 0.208 F ---- 0.203 ---- 0.008 G 1.98 2.29 0.078 0.090 H 0.76 1.52 0.030 0.060 4/4