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DB140S Datasheet(PDF) 5 Page - Shanghai Shunye Electronics Co.,Ltd. |
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DB140S Datasheet(HTML) 5 Page - Shanghai Shunye Electronics Co.,Ltd. |
5 / 5 page Electrical Specifications FIG.12 Relaxation Oscillator Using a SIDAC (a) Circuit SIDAC R RL VBO (b) Waveforms VC IL t t IL VC C Rmax Rmin V-V I IN BO BO V-V I IN TM H(MIN) VV DC(IN) BO INPUT + + - - (See Note B) R =150 BB1 W R =0.1 S W R =100 BB2 W V=0 BB2 V =10V BB1 V =20V CC V MONITOR CE I MONITOR C TIP-47 100mH 0V 5V 0.63A 0 SIDAC VBO COLLECTOR VOLTAGE VOLTAGE AND CURRENT WAVEFORMS NOTE A NOTE B : Input pulse width is increased until I =0.63A. : Sidac (or Diac or series of diacs) chosen so that V is just below V rating of transistor to be protected. The Sidac (or Diac) eliminates a reverse breakdown of the transistor in inductive switching circuits where otherwise the transistor could be destroyed. CM BO CEO TEST CIRCUIT INPUT VOLTAGE T =3ms (See Note A) W TW 100mS COLLECTOR CURRENT VCE(sat) 10V 50 W 50 W 2N6127 (or equivalent) FIG.13 SIDAC Added To Protect Transistor For Typical Transistor Inductive Load Switching Requirements www.shunyegroup.com.cn |
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