MLL4688

MLL4678 thru MLL4717 ® MOTOROLA 250 MILLIWATT HERMETICALLY SEALED GLASS SILICON ZENER DIODES Low level nitride passivated zener diodes for applications requiring extremely low operating currents, low leakage, and sharp breakdown voltage. Complete Voltage Range - 1.8 to 43 Volts Zener Voltage Specified @ IZT = 50 pA Leadless Package for Surface Mount Technology Maximum Delta Vz Given from 10 to 100 pA Available in 8 mm Tape and Reel T1 Cathode Facing Sprocket Holes T2 Anode Facing Sprocket Holes II ABSOLUTE MAXIMUM RATINGS Rating DC Power Dissipation @ TA = 50·C Derate above TA = 50·C Operating and Storage Junction Temperature Range Symbol Po TJ, Tstg Value 250 1.67 -65 to +175 Unit mW mWrC ·C MECHANICAL CHARACTERISTICS CASE: Double slug, hermetically sealed glass MAXIMUM LEAD TEMPERATURE FOR SOLDERING PURPOSES: 230·C for 10 seconds FINISH: All external surfaces are corrosion resistant and readily Bolderable POLARITY: Cathode end indicated by color band. When operated in zener mode, the cathode will be positive with respect to anode MOUNTING POSITION: Any FIGURE 1 - POWER TEMPERATURE DERATING CURVE ~ z ~300 m250 is ffi 200 ~ ~150 "'"c:> ~100 "~ 50 ~ "' "~ 0 o 25 50 75 100 125 150 175 200 "TA, AMBIENT TEMPERATURE lOCI LEADLESS GLASS ZENER DIODES 250 MILLIWATTS U 0.4 0.016 CASE 362·01 4-96 MLL4678 thru MLL4717 ELECTRICAL CHARACTERISTICS ITA = 25°C, VF = 1.5 V max at IF = 100 mA for all types) Type Number (Note 1) MLL4678 MLL4679 MLL4680 MLL4...