NJX1560/61 VARACTOR DIODE nGENERAL DESCRIPTION NJX1560/1561 is a GaAs varactor diode with very low toal capacitance. It is suited for VCO or detector up to SHF band. It features low total capacitance and high capacitance ratio. It is adopted a very small surface-mount plastic package. NJX1560 NJX1561 nFEATURE lHigh Total Capacitance Ratio 3.3 (NJX1560) / 3.2(NJX1561) lVery Small SMD Package (VSDP / SDP) nABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL RATINGS UNITS Reverse Voltage VR 25 V Forward Current IF 10 mA Operating Temperature TOP -40~+85 °C Storage Temperature TSTG -55~+125 °C nELECTRICAL CHARACTERISTIC (Ta=25°C) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Forward Voltage VF IF=10mA - 0.8 0.95 V Reverse Voltage VR IR=10uA 25 - - V Reverse Current IR VR=20V - - 1.0 uA Total Capacitance 1 Ct1 VR=0V, f=1MHz pF NJX1560 0.59 0.66 - NJX1561 0.61 0.70 - Total Capacitance 2 Ct2 VR=10V, f=1MHz pF NJX1560 - 0.20 0.30 NJX1561 - 0.22 0.32 Total Capacitance Ratio Ct1 / Ct2 Ct1 / Ct2 - NJX1560 - 3.3 - NJX1561 - 3.2 - -1- NJX1560/61 nTYPICAL CHARACTERISTICS Reverse Current vs. Reverse Voltage Forward Current vs Forward Voltage -8 10 10 -2 -9 10 -4 10 -6 10 -8 Reverse Current(A) Forward Current (A) 10 -10 10 -11 10 10 -12 10 -10 0.0 0.2 0.4 0.6 0.8 1.0 Forward Voltage (V) 1 Total Capacitance(pF) f=1MHz 0.1 1 Reverse Voltage(V) -2- 5 10 15 20 Reverse Voltage(V) Total Capacitance vs. Reverse Voltage 0.1 0 10 25 30 NJX1560/61 nPACKAGE OUTLINE 1) NJX1560 (VSDP) 1.6±0.10 1.2±0.10 CATHODE 0.3±0.05 0.6±0.10 ANODE 0.8±0.10 UNIT: mm 2) NJX1561 (SDP) CATHODE 2.5±0.15 1.7±0.15 0±0.05 ANODE 0.3±0.15 0.9±0.15 UNIT: mm 1.25±0.15 Cautions on using this product This product contains Gallium-Arsenide (GaAs) which is a harmful material. • Do NOT eat or put into mouth. • Do NOT dispose in fire or break up this product. • Do NOT chemically make gas or powder with this product. • To waste this product, please obey the relating law of your country. [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. This product may be damaged with electric static discharge (ESD) or spike voltage. Please handle with care to avoid these damages. -3-