QSBT40

Features of the QSBT40 are:(1)low forward voltage drop;(2)fast switching;(3)very high density;(4)ultra-small surface mount package;(5)PN junction guard ring for transient and ESD protection;(6)provide transient protection for high-speed data.

Mechanical data of the QSBT40 are:(1)case: SOT-363, molded plastic;(2)case material - UL flammability rating 94V-0;(3)moisture sensitivity: level 1 per J-STD-020A;(4)terminals: solderable per MIL-STD-202,Method 208;(5)polarity: see diagram;(6)weight: 0.006 grams (approx.);(7)marking code: KST.

The absolute maximum ratings of the QSBT40 can be summarized as:(1):the characteristic is peak repetitive reverse voltage,the symbol is VRRM,the value is 30,the unit is V;(2):the characteristic is working peak reverse voltage,the symbol is VRWM,the value is 30,the unit is V;(3):the characteristic is DC blocking voltage,the symbol is VR,the value is 30,the unit is V;(4):the characteristic is forward continuous current,the symbol is IFM,the value is 200,the unit is mA;(5):the characteristic is non-repetitive peak forward surge current,the symbol is IFSM,the value is 600,the unit is mA;(6):the characteristic is power dissipation,the symbol is Pd,the value is 200,the unit is mW;(7):the characteristic is thermal resistance junction to ambient air,the symbol is RJA,the value is 625,the unit is /W;(8):the characteristic is operating temperature range,the symbol is Tj,the value is -55 to +125,the unit is ;(9):the characteristic is storage temperature range,the symbol is Tstg,the value is -65 to +125,the unit is .