1.5SMC WEITRON

Document overview

  • Manufacturer or author: Provided By digicamel.com
  • PDF pages: 4

Technical content

  • For surface mounted applications in order to optimize board space * Low profile package * Built-in strain relief * Glass passivated junction * Low inductance * Excellent clamping capability * Repetition Rate(duty cycle):0.05% * Fast response time: typically less than 1.0ps from 0 Volts to BV min * Typical IR less than 1μA above 10V * High temperature soldering: 250°C/10 seconds at terminals * MECHANICAL DATA * Case: JEDEC DO214AB. Molded plastic over glass passivated junction * Terminal: Solder plated, solderable per MIL-STD-750, Method 2026 * Polarity: Color band denotes positive end (cathode) except Bidirectional * Standard Packaging: 16mm tape(EIA STD RS-481) * Weight: 0.007ounce, 0.21gram VOLTAGE 6.8 to 550 Volts Peak Pulse Power

1500 Watt

1.5 SMC Series

Transient Voltage Suppressor Features: Mechanical Data: DEVICES FOR BIPOLAR APPLICATION: For Bidirectional use Suffix CA for types 1.5SMC6.8CA thru types 1.5SMC550CA Electrical characteristics apply in both directions SMC(DO-214AB) Lead(Pb)-Free Pb 1/4 16-Feb-06 http://www.weitron.com.tw WEITRON Symbol PPPM 1500(Min) W IPPM SEE TABLE 1 A TJ +150 -55 to +150 Notes : 1. Non-repetitive current pulse , per Fig. 3 and derated above TA= 25°C per Fig.2. 2. Mounted on 8.0mm x 8.0mm Copper Pads to each terminal. 3. 8.3ms single half sine-wave , or equivalent square wave, Duty cycle = 4 pulses per minutes maximum. 200 Peak Pulse Power Dissipation on 10/1000µs waveform (Note 1,FIG.1) Peak Pulse Current of on 10/1000µs waveform (Note 1,FIG.3) Rating Peak Forward Surge Current,8.3ms Single Half Sine-Wave Superimposed on Rated Load,(JEDEC Method) (Note 3) A Operating junction Temperature Range MAXIMUM RATINGS AND CHARACTERISTICS(TA=25°C Unless otherwise specified) IFSM UnitsValue Storage Temperature Range TSTG

1.5SMC 6.8A 1.5SMC 6.8CA 6V8A 6V8C UNI-POLAR BI-POLAR For bidirectional type having Vrwm of 10 volts and less, the IR limit is double. The avaliable parts are "A" type only, the parts without A (VBR is ± 10%) is not avaliable. TEST CURRE NT IT (mA) 1.5SMC PART NUMBER MAXIMUM CLAMPING VOLTAGE @Ipp Vc(V) PEAK PULSE CURRENT Ipp (A) MARKING CODE REVERSE LEAKAGE @ VRWM IR(µA) REVERSE STAND- OFF VOLTAGE VRWM(V) BREAKDO WN VOLTAGE VBR(V) MIN.@IT BREAKDO WN VOLTAGE VBR(V) MAX.@IT http://www.weitron.com.tw WEITRON

RATINGS AND CHARACTERISTIC CURVES 100 1 10 100 200 Number of Cycles at 60 Hz Fig.6 - Maximum Non-Repetitive Forward Surge Current Uni-Directional Only 8.3ms Single Half Sine-Wave (JEDEC Method)TJ=TJ max. I MSF )A( tnerruC egruS drawroF kaeP- 0.1 100 10ms0.1µs 1.0µs 10µs 100µs 1.0ms td - Pulse Width (sec.) Fig. 1 - Peak Pulse Power Rating Curve P MPP )Wk( rewoP esluP kaeP- P )VA(M rewoP etatS ydaetS, )W( noitapissiD 0 25 50 75 100 125 150 175 200 1.0 2.0 3.0 4.0 Fig. 5 - Steady State Power Derating Curve TL - Lead Temperature (°C) L=0.375" (9.5mm) Lead Lengths 1.6x1.6x.040" (40x40x1mm) Copper Heat Sinks 5.0 6.0 7.0 8.0 60Hz Resistive or Inductive Load t - Time(ms) 150 1.0 tr = 10µsec. Peak Value I PPM TJ = 25°C Pulse Width (td) is defined as the point where the peak curren t decays to 50% of IPPM 10/1000µsec.Waveform as defined by R.E.A. td Fig.3 - Pulse Waveform 4.0 Half Value- IPPM 100 I MPP I %,tnerruC esluP kaeP - MSR 3.00 5 100 1000 10000 CJ )Fp( ecnaticapaC - Fig. 4 - Typical Junction Capacitance VWM - Reverse Stand-Off Voltage (V) Unidirectional Bidirectional f = 1MHz Vsig = 50mVp-p TJ = 25°C VR = 0 500 VR = Rated Stand-off Voltage 10 100 12.5 37.5 62.5 87.5 100 0 25 50 75 100 125 150 175 200 Fig.2 - Pulse Derating Curve P( rewoP esluP kaeP PP ) I( tnerruC ro PP ) %,egatnecreP ni gnitareD TA - Ambient Temperature (°C) 2.0 http://www.weitron.com.tw WEITRON

A B C D E G H J 4/4 16-Feb-06 http://www.weitron.com.tw WEITRON SMC Outline Dimension Unit:mm SMC Dim Min Max 5.59 6.60 2.75 0.15 7.75 0.10 0.76 2.00 6.22 7.11 3.18 0.31 8.13 0.20 1.52 2.62