KV1720 8V Series VCD for FM Tuning 8VFMVCD Feature Included Twin Element 1 Very Small Tolerance of Element Being Next Device To Each Other Excellent Linearity of the C-V Curve C-V Extra Large Capacitance Ratio: A=2.00 to : A=2.00~ : RS= ~0.3 Very Small Series Resistance: RS= to 0.3 Reverse Voltage VR=18V VR=18V IF=50mA Forward Current IF=50mA Operating Temp. Range TOP=-55 to +85C TOP=-55~+85C Electrical Characteristics Part Name VR.MAX Capacitance(pF) Capacitance Ratio RS.MAX (V) Min. Typ. Max. VR(V) Min. Typ. Max. VR(V) KV1720 18 41.17 46.48 2 2.0 2.6 2/8 0.3@1V,100MHz 16.00 8 21.34 * The value of capacitance is the average of 2 back to back type diodes. Back to Back Type 2 * Diode Capacitance measured with Agilent 4279A or equivalent instruments (at OSC level 205mVrms) Agilent 4279AOSC 205mVrms * Resistance meter is Agilent 4291B or equivalent instruments. Agilent 4291B * The tolerance of element that is next to each other in same reel is within 3% at C2, C5 and C8. C2C5C8 3% Classification C C2.MIN(pF) C2.MAX(pF) Rank1 41.17 42.76 Rank2 42.33 43.96 Rank3 43.52 45.20 Rank4 44.75 46.48 Ordering Guide, Pin Layout, Marking Part Name Ordering Name KV1720 KV1720RTL-G KV1720 KV1720STL-G Page 34 Pin Layout C2 3 1 Marking 2 C2 Description Order Size KV1720: Part Name R: SOT23C-3 Package TL: Tape&Reel, Left -G: PB-Free KV1720: Part Name S: SOT23-3 Package TL: Tape&Reel, Left -G: PB-Free 3,000 pcs. /Reel 3,000 pcs. /Reel 2010 SPRING Typical Characteristics Reverse Current vs. Reverse Voltage f=1MHz, TA=25C IR, Reverse Current(A) 100p C, Capacitance(pF) 100 TA=+25, +55, +85C 10 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 VR, Reverse Voltage(V) Q vs. Reverse Voltage Q 100f 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 VR, Reverse Voltage(V) Series Resistance vs. Frequency TA=25C Hz f=100MHz Q f=200MHz 100 100 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 VR, Reverse Voltage(V) C(TA)/C(25C) vs. Reverse Voltage C(TA)/C(25C) f=1MHz, TA=-55 to +85C C(TA)/C(25C) 1.06 1.04 TA = +8 5 C 1.02 TA =+ 55C 1.00 TA=+25C TA=-15C 0.98 TA=-55C 0.96 0.94 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 VR, Reverse Voltage(V) 2010 SPRING T A=+ 55C 1p T A=+ 25C VR=1.0V, TA=25C RS, Series Resistance() 0M f=7 C 10p 0.3 0.1 10M 100M 1G f, Frequency(Hz) Capacitance Temp. Coefficient vs. Reverse Voltage C/TA, Temp. Coefficient(ppm/C) 1000 85 T A=+ 1000 f=1MHz, TA=25C 100 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 VR, Reverse Voltage(V) Page 35 4 VCD for FM Tuning Capacitance vs. Reverse Voltage