DATA SHEET SC Series: MIS Chip Capacitors Applications • Systems requiring DC blocking or RF bypassing • Fixed capacitance tuning element in filters, oscillators, and matching networks Features • Readily available from stock • High reliability silicon oxide-nitride dielectric • Low loss: typically 0.04 dB in a 50 Ω system • Operation through 26 GHz • Wide temperature operation Description Skyworks Metal Insulator Silicon (MIS) chip capacitors are available in a wide range of sizes and capacitance values. The devices have a dielectric composed of thermally grown silicon dioxide over which a layer of silicon nitride is deposited. This dielectric has a low temperature coefficient of capacitance and very high insulation resistance. The MIS chip capacitors also exhibit excellent long-term stability, which makes them suitable for high-reliability applications. The capacitors have a high dielectric breakdown, which permits the use of thin dielectrics resulting in large capacitance per unit area. The temperature coefficient is less than 50 ppm/°C, allowing the capacitors to operate from –65 °C up to 200 °C. Compared to ceramic capacitors, Skyworks MIS chip capacitors offer higher Q and an insertion loss of 0.04 dB in a 50 Ω system. Insulation resistance is greater than 105 MΩ. To accommodate high volume, automated assembly methods, wafers can be supplied on expanded film frames. To reduce cost, chips can be supplied packaged in vials with sample testing only. Packaging in waffle packs with 100 percent electrical testing and visual inspection is also available. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 200136G • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 25, 2011 1 DATA SHEET • SC SERIES: MIS CHIP CAPACITORS Table 1. MIS Capacitors Absolute Maximum Ratings Parameter Symbol Minimum Dielectric withstand voltage Typical Maximum Units 100 V Operating temperature TOP –65 +200 °C Storage temperature TSTG –65 +200 °C Note: Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal value. CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times. Table 2. MIS Chip Capacitors Electrical Specifications (Note 1) Parameter Symbol Test Condition Capacitance Min Typical 0.8 Temperature coefficient 1000 50 Capacitance tolerance Operating temperature Max –20 TOP –65 Dielectric withstand voltage Units pF ppm/°C +20 % +200 °C 100 5 V Insulation resistance 10 MΩ Leakage current <1 nA Note 1: Performance is guaranteed only under the conditions listed in this Table. Electrical and Mechanical Specifications Performance The absolute maximum ratings of the MIS chip capacitors are provided in Table 1. Electrical specifications are provided in Table 2. Tests on typical MIS capacitors at the L and S bands show insertion loss to be 1/2 to 1/3 that of equivalent ceramic type capacitors, without any of the associated resonance problems. Power tests indicate that the only limitation is the actual breakdown voltage of the device. A graph of typical insertion loss versus frequency is shown in Figure 1. This data is taken from an actual test circuit with series mounted beam-lead or chip capacitors on a 50 Ω microstrip transmission line. The apparent higher loss at lower frequencies on the lower capacitance units is strictly due to the capacitive reactance of the capacitor. Table 3 provides a list of the available MIS chip capacitors (by part number) and the capacitance and chip dimensions for each one. Figure 2 illustrates the use of MIS capacitors in a typical SinglePole, Double-Throw (SPDT) circuit. Package Dimensions Figure 3 provides a visual representation of the capacitor chip sizes and part markings. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 2 May 25, 2011 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200136G DATA SHEET • SC SERIES: MIS CHIP CAPACITORS Figure 1. Typical Insertion Loss vs Frequency (50 Ω System) Table 3. MIS Capacitor Part Numbers Capacitance, ±20% (pF) Pad/Chip Dimensions (Mils ±1 Mil) Capacitance, ±20% (pF) Pad/Chip Dimensions (Mils ±1 Mil) SC00080912 0.8 9/12 SC01001518 10 15/18 SC00120912 1.2 SC00180912 1.8 9/12 SCO1500912 15 9/12 9/12 SC01501518 15 15/18 SC00260912 2.6 9/12 SC02201518 22 15/18 SC00380912 3.8 9/12 SC03301518 33 15/18 SC00560912 5.6 9/12 SCO4701518 47 15/18 SC00680912 6.8 9/12 SC06801518 68 15/18 SC00820710 8.2 7/10 SC10002430 100 24/30 SC00821518 8.2 15/18 SC33303440 333 34/40 SC01000710 10.0 7/10 SC50004450 500 44/50 SC01000912 10.0 9/12 SC99906068 1000 60/68 Part Number Note: Part Number Part # structure: SCXXXXYYZZ: SC = Silicon Conductor XXXX = Capacitance (pF) YY = Square contact size (mils), also see Figure 3 ZZ = Square chip size (mils), also see Figure 3 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 200136G • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 25, 2011 3 DATA SHEET • SC SERIES: MIS CHIP CAPACITORS Figure 2. Typical MIS Capacitor Application Circuit Figure 3. MIS Capacitor Chip Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 4 May 25, 2011 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200136G DATA SHEET • SC SERIES: MIS CHIP CAPACITORS Copyright © 2002-2008, 2010, 2011 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. 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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 200136G • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 25, 2011 5