KV1870 4.5V Series VCD for Communications Equipment 4.5VVCD Feature Very Low Voltage Operation: VOP=1.0 to 4.5V : VOP=1.0~4.5V Excellent Linearity of the C-V Curve C-V Extra Large Capacitance Ratio: A=5.0 to : A=5.0~ Extra Low Series Resistance RS.TYP=0.4 : RS.TYP=0.4 VR=18V Reverse Voltage VR=18V Forward Current IF=50mA IF=50mA TOP=-55~+85C Operating Temp. Range TOP=-55 to +85C Electrical Characteristics Part Name VR.MAX Capacitance(pF) Capacitance Ratio RS.MAX (V) Min. Typ. Max. VR(V) Min. Typ. Max. VR(V) KV1870 18 65.80 70.00 74.20 1 5.00 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 Ordering Guide, Pin Layout, Marking Part Name Ordering Name Pin Layout Marking 3 KV1870 2 3,000 pcs. /Reel 2 KV1870: Part Name S: SOT23-3 Package TL: Tape&Reel, Left -G: PB-Free 3,000 pcs. /Reel KV1870RTL-G 3 KV1870 KV1870STL-G C7 1 Page 70 Order Size KV1870: Part Name R: SOT23C-3 Package TL: Tape&Reel, Left -G: PB-Free C7 1 Description 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 71 5 VCD for Communications Equipment Capacitance vs. Reverse Voltage