, o ne. 20 stern ave. springfield, new jersey 07081 u.s.a. silicon tuning diodes ... designed for electronic tuning of am receivers and high capacitance, high tuning ratio applications. ? high capacitance ratio ? cr = 15 (min). mvam108, 115, 125 ? guaranteed diode capacitance ? ct - 440 pf (min) ? 560 pf (mnx\ vr - 1.0 vdc, f = 1.0 mhz, mvaivi108, MVAM115, mvam125 ? guaranteed figure of merit ? q = 150 (min) @ vr = 1.0 vdc, f = 1.0 mhz maximum ratings telephone: (973) 376-2922 (212)227-6005 fax: (973) 376-8960 rating reverse voltage mvam108 mvam109 MVAM115 mvam125 forward current power dissipation @ t/\ 25c derate above 25"c operating and storage junction temperature range symbol vr if pd tj. tstg value 12 15 18 28 50 280 2.8 -55 to +125 unit volts ma mw mw/"c c mvam108* mvam109* MVAM115* mvam125* (to-226ag) 2 o cjthwie tuning diodes with very high capacitance ratio electrical characteristics (ta = 25'c unless otherwise noted. each device) characteristic breakdown voltage (|r = 10>iadc) mvam108 mvam109 MVAM115 mvam12s reverse current (vr = 8.0 v) mvam108 (vr = 9.0v) mvam109 (vp = 15v) MVAM115 (vr = 25v) mvam125 diode capacitance temperatujre coefficient (1 ) (vr = 1.0 vdc, f = 1.0 mhz, ta = -40c to +85"c) case capacitance (f = 1.0 mhz, lead length 1/16") diode capacitance (2) (vr = 1.0 vdc, f - 1.0 mhz) mvam108, 115, 125 mvam109 figure of merit (f - 1.0 mhz, lead length 1/16", vr = 1.0 vdc) capacitance ratio (f = 1.0mhz) mvam108 mvam109 mvam1 15 mvam125 symbol vibrir ir tcc cc ct q c1/c8 c1/c9 c1/c15 cvc25 min 12 15 18 28 ? ? ? 440 400 150 15 12 15 15 typ ? ? 435 0.18 500 460 ? ? max - 100 100 100 100 ? ? 560 520 ? ? unit vdc nadc ppm/c pf pf ? notes: 1 the effect of increasing temperature 1.0c, at any operating point, is equivalent to lowering the effective tuning voltage 1 26 mv the percent change of capacitance per c is nearly constant from - 40c to + 100c 2 upon request, diodes are available in matched sets all diodes in a set can be matched for capacitance to 3% or 2 0 pf (whichever if greater) at all point; along the specified tuning range nj semi-conductors reserves the right to change test conditions, parameter limits and package dimensions without notice. information furnished by nj semi-conductors is believed to be both accurate and reliable at the time of going to press. however, nj semi-conductors assumes no responsibility for any errors or omissions discovered in its use. nj semi-conductors encourages customers to verify that datasheets are current before placing orders. quality semi-conductors
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