KV1770 4.5V Series VCD for FM Tuning 4.5VFMVCD 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=5.00 to : A=5.00~ : RS= ~0.5 Very Small Series Resistance: RS= to 0.5 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) KV1770 18 65.80 70.00 74.20 1 5.0 1/5 0.5@1.5V,100MHz 12.00 13.40 14.80 4.5 * 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 6% at C1,C3 and C4.5. C1C3C4.5 6% Classification C C1.MIN(pF) C1.MAX(pF) Rank1 65.80 69.25 Rank2 68.27 71.72 Rank3 70.74 74.20 Ordering Guide, Pin Layout, Marking Part Name Ordering Name KV1770 KV1770RTL-G KV1770 KV1770STL-G Page 44 Pin Layout C7 3 1 Marking 2 C7 Description Order Size KV1770: Part Name R: SOT23C-3 Package TL: Tape&Reel, Left -G: PB-Free KV1770: 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 C, Capacitance(pF) 10 0.0 1.0 2.0 3.0 4.0 VR, Reverse Voltage(V) Q vs. Reverse Voltage Q 1.0 2.0 3.0 4.0 VR, Reverse Voltage(V) 5.0 C(TA)/C(25C) vs. Reverse Voltage C(TA)/C(25C) 1.06 1.05 1.04 1.03 1.02 1.01 1.00 0.99 0.98 0.97 0.96 0.95 0.94 0.93 0.0 2010 SPRING f=1MHz, TA=-55 to +85C TA = TA =+ +8 5 C 55C TA=+25C 15C T A=55C T A=- 1.0 2.0 3.0 4.0 VR, Reverse Voltage(V) 10p T A=+ 1p 55C 25C T A=+ 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 1.0 VR=1.5V, TA=25C 5.0 0.1 50M 500M f, Frequency(Hz) Capacitance Temp. Coefficient vs. Reverse Voltage C/TA, Temp. Coefficient(ppm/C) 1000 10 0.0 85C T A=+ RS, Series Resistance() Hz 0M f= 7 Hz 0M 0 1 f= Hz 0M 5 = f Q 5.0 TA=25C 1000 C(TA)/C(25C) 100p IR, Reverse Current(A) 100 TA=+25, +55, +85C 1000 100 0.0 f=1MHz, TA=25C 1.0 2.0 3.0 4.0 VR, Reverse Voltage(V) 5.0 Page 45 4 VCD for FM Tuning Capacitance vs. Reverse Voltage