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| ZTK6.8 thru ZTK33 Voltage Stabilizers DO-204AH (DO-35 Glass) Features * Temperature-Compensated Stabilizing Circuits * Monolithic linear integrated circuits with extremely short thermal run-in time producing a constant temperature-compensated voltage. They are particularly suitable for stabilizing the tuning voltage in radio and TV tuners employing voltagevariable capacitance diodes. Mechanical Data Dimensions are in inches and (millimeters) Case: DO-35 Glass Case Weight: approx. 0.13 g Packaging codes/options: D7/10K per 13" reel (52mm tape), 20K/box D8/10K per Ammo tape, (52mm tape), 20K/box Maximum Ratings Parameter (TA = 25C unless otherwise noted) Symbol Value Unit Operating Current (see Table "Characteristics") Junction temperature Storage temperature range TJ TS 150 - 20 to +150 C C Electrical and Thermal Characteristics Parameter Temperature Coefficient of the operating voltage at IZ = 5 mA 0.5 in the range of Tamb = 20 to 60C Thermal Run-in-Time Thermal resistance junction to ambient air Operating Voltage at IZ = 5mA(3) VZ (V) 6.4 ... 7.1 8 ... 10 10 ... 12 16 ... 20 20 ... 24 24 ... 30 30 ... 32 32 ... 34 34 ... 36 (TA = 25C unless otherwise noted) Symbol Min. -10 - - Typ. -2 -20(2) - Max. +5(1) - 0.4 Unit 10-5/C s C/W VZ tth RJA Type ZTK6.8 ZTK9 ZTK11 ZTK18 ZTK22 ZTK27 ZTK33A ZTK33B ZTK33C Dynamic resistance at IZ = 5mA rzj () 10 (<25) 10 (<25) 10 (<25) 11(<25) 11(<25) 12 (<25) 12 (<25) 12 (<25) 12 (<25) Permissable operating at Tamb = 25C(4) IZ max. (mA) 36 27 1 13 1 8 7 7 7 Notes: (1) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case (2) At the end of this time VZ has reached 90% of its final value VZ max. VZ max = VZ (a) - VZ (0), where VZ (0) = VZ in the instant of turn-on and VZ (a) = VZ at thermal equilibrium (3) Tested with pulses tp = 5ms (4) Valid provided that leads are kept at ambient temperature at a distance of 8mm from case 7/7/00 ZTK6.8 thru ZTK33 Voltage Stabilizers Ratings and Characteristic Curves TA = 25OC unless otherwise noted. |
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