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SMAJ28CA Dataheets PDF



Part Number SMAJ28CA
Manufacturers SeCoS
Logo SeCoS
Description Surface Mount TVS
Datasheet SMAJ28CA DatasheetSMAJ28CA Datasheet (PDF)

Elektronische Bauelemente SMAJ SERIES 5V ~ 440V 400W Peak Power Surface Mount TVS RoHS Compliant Product A suffix of “-C” specifies halogen-free and lead-free FEATURES For surface mount application Build-in strain relief Excellent clamping capability Low profile package Fast response time: Typically less than 1.0ps from 0 volt to BV min. Typical IR less than 1mA above 10V High temperature soldering guaranteed: 260°C / 10 seconds at terminals MECHANICAL DATA Case: Molded Plastic Epoxy: UL 94V-0.

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Elektronische Bauelemente SMAJ SERIES 5V ~ 440V 400W Peak Power Surface Mount TVS RoHS Compliant Product A suffix of “-C” specifies halogen-free and lead-free FEATURES For surface mount application Build-in strain relief Excellent clamping capability Low profile package Fast response time: Typically less than 1.0ps from 0 volt to BV min. Typical IR less than 1mA above 10V High temperature soldering guaranteed: 260°C / 10 seconds at terminals MECHANICAL DATA Case: Molded Plastic Epoxy: UL 94V-0 rate flame retardant Lead: Solderable per MIL-STD-202, Method 208 Guaranteed Polarity: Color band denotes cathode end except bidirectional Mounting position: Any Weight: 0.063 grams SMA B AC D GE F H REF. A B C D Millimeter Min. Max. 1.25 1.65 3.99 4.60 2.50 2.90 1.98 2.44 REF. E F G H Millimeter Min. Max. 0.051 0.203 4.78 5.28 0.76 1.52 0.006 0.012 PACKAGE INFORMATION Package MPQ SMA 5K LeaderSize 13’ inch MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (Rating 25°C ambient temperature unless otherwise specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.) Ratings Symbol Value Peak Power Dissipation @ TA=25°C, T P=1ms 1 Peak Forward Surge Current @ 8.3ms single Half Sine-Wave superimposed on rated load (JEDEC method) 2 PPK IFSM 400 (Min.) 40 Maximum Instantaneous Forward voltage @ 25A for unidirectional only VF 3.5 Operating and Storage Temperature Range TJ, TSTG Notes: 1. Non-repetitive current pulse per Fig. 3 and derated above TA=25°C per Fig. 2. 2. 8.3ms single half sine-wave, duty cycle = 4 pulses per minute maximum. -55 ~ 150 Units W A V °C http://www.SeCoSGmbH.com/ 26-Jan-2011 Rev. D Any changes of specification will not be informed individually. Page 1 of 4 Elektronische Bauelemente SMAJ SERIES 5V ~ 440V 400W Peak Power Surface Mount TVS RATINGS AND CHARACTERISTIC CURVES FIG.1-PEAK PULSE POWER DERATING CURVE 100 Non-Repetitive Pulse Waveform Shown in Fig. 3 TA=25 C 10 PPPM, PEAK PULSE POWER, KW IPPM, PEAK PULSE CURRENT, % 1.0 5.0mm2COPPER PAD AREAS 0.1 0.1 s 1.0 s 10 s 100 s td, PULSE WIDTH, sec. 1.0ms 10ms FIG.3-PULSE WAVE FORM 150 tf=10 s Peak Value IPPM 100 TA=25 C Pulse Width (td) is defined as the point where the Peak Current Decays to 50% of Ipp 50 td 0 0 1.0 Half Value-IPPM 2 10/1000 sec Waveform as Defined by R.E.A. 2.0 t, TIME, ms e-kt 3.0 4.0 FIG.5-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 100 80 TJ=TJmax 8.3ms Single Half Sine-wave JEDEC Method 60 40 CJ, CAPACITANCE, pF PEAK PULSE POWER(PPP) OR CURRENT(IPP) DERATING IN PERCENTAGE FIG.2-PULSE DERATING CURVE 100 75 50 25 0 0 25 50 75 100 125 150 175 TA, AMBIENT TEMPERATURE ( C) 10,000 5,000 FIG.4-TYPICAL JUNCTION CAPACITANCE TJ=25 C f=1.0MHz Vsig=50mVp-p 2,000 1,000 500 Measued at Zero Bias 200 100 50 Measured at Stand-Off Voltage(VMW) 20 10 1.0 2.0 5.0 10 20 50 100 V(BR), BREAKDOWN VOLTAGE, VOLTS 200 IFSM, PEAK FORWARD SURGE CURRENT, AMPERES 20 1.


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