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| ADE-208-060C(Z) HVM27WK Variable Capacitance Diode for FM tuner Preliminary Rev. 3 Apr. 1993 Features * High capacitance ratio to wide tuning band width. (C1/C8=1.8 min) * Low series resistance. * MPAK package is suitable for high density surface mounting and high speed assembly. 2 Pin Arrangement 3 1 Ordering Information Type No. HVM27WK Mark T5 Package Code MPAK (Top View) 1 Anode 2 Anode 3 Cathode Absolute Maximum Ratings (Ta = 25C) Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 20 125 -55 to +125 Unit V C C Electrical Characteristics (Ta = 25C) Item Reverse voltage Reverse current Symbol Min Typ Max Unit Test Condition 20 -- -- V IR = 10 A VR IR -- -- 50 nA VR = 15 V C1 52.0 -- 62.0 VR = 1 V , f = 1 MHz Capacitance C2 43.0 -- 48.1 pF VR = 2 V , f = 1 MHz C8 24.0 -- 28.0 VR = 8 V , f = 1 MHz n1 1.80 -- -- C1 / C8 Capacitance ratio -- 1.70 -- -- C2 / C8 n2 Series resistance rs -- -- 0.4 VR = 2 V , f = 100 MHz Matching error C/C* -- -- 3.0 % VR = 1~8V * A set of HVM27WK is of uniform C-V characteristics. Measure max. value and min. value of capacitance at each bias point of VR=1V through 8V. Calculate Matching Error, (Cmax-Cmin) C/C= x 100 (%) Cmin ** Each group shall uniform a multiple of 4 diodes. HVM27WK 10 -6 80 f=1MHz 10 Reverse current I R (A) 10 -7 -8 60 Capacitance C (pF) 10 10 10 10 -9 40 -10 -11 20 -12 10 -13 0 10 20 30 0 0.5 1.0 Reverse voltage VR (V) Fig.1 Reverse current Vs. Reverse voltage 10 Reverse voltage VR (V) 30 Fig.2 Capacitance Vs. Reverse voltage Package Dimensions 0.65 - 0.3 + 0.1 Unit: mm Mark 0.4 - 0.05 + 0.10 0.16 - 0.06 + 0.10 3 + 0.2 - 0.6 0.1 0.65 + 0.3 - 2 0.95 1 0.95 2.8 T5 1.9 0.3 2.8 + 0.1 - 1.5 0 - 0.10 1 Anode 2 Anode 3 Cathode 0.3 HITACHI Code MPAK(1) 1.1 - 0.1 + 0.2 JEDEC Code EIAJ Code Weight (g) -- SC-59A 0.011 |
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