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| KV1555NT VARIABLE CAPACITANCE DIODE FEATURES s s s s Very Low Operating Voltage (1 to 4.5 V) Excellent Linearity (CV Curve) Large Capacitance Ratio (A = 16.5 minimum) Two Diodes in a 3 Lead Through-Hole Discrete Package (TO92-3) s Very Small Capacitance Deviation at Tape/Reel APPLICATIONS s AM Radio s Voltage Controlled Oscillator DESCRIPTION The KV1555NT variable capacitance diode was specially developed for use as tuning elements in car radios, radio cassettes, and other consumer radios. Single package construction includes an antenna and oscillating tuning element. The KV1555NT is available in a TO92-3 package. CLASSIFICATION RANK C MIN C1 MAX 1 400.00 419.00 2 413.00 432.00 3 426.00 445.00 (Unit: pF) 4 439.00 458.00 KV1555NT 15 0 ORDERING INFORMATION 1 2 3 KV1555NT Note: The KV1555NT is supplied on folded paper tape (25 pieces per fold), 1500 pcs per box. August 1999 TOKO, Inc. Page 1 KV1555NT ABSOLUTE MAXIMUM RATINGS Reverse Voltage ....................................................... 30 V Storage Temperature Range ................... -55 to +150 C Forward Current .................................................... 50 mA Operating Temperature Range ...................-55 to +85 C Power Dissipation .............................................. 100 mW Lead Soldering Temperature (10 s) ...................... 235 C ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 C SYMBOL V REV IREV C1 C4.5 C1.0 C3.0 C4.5 Q A Quality Factor Capacitance Ratio Capacitance Tolerance (Note 2) PARAMETER Reverse Voltage Reverse Current Diode Capacitance 1 Diode Capacitance 4.5 TEST CONDITIONS IREV = 10 A VREV = 15.0 V VREV = 1.0 V, f = 1 MHz VREV = 4.5 V, f = 1 MHz VREV = 1.0 V, f = 1 MHz VREV = 3.0 V, f = 1 MHz VREV = 4.5 V, f = 1 MHz VREV = 1.0 V, f = 1MHz C 1 / C4.5 200 16.50 18.30 20.00 400.00 21.00 MIN 20 50 429.00 458.00 23.50 26.00 2.0 3.0 3.0 TYP MAX UNITS V nA pF pF % % % Note 1: Diode Capacitance measured with HP 4279A or equivalent instruments (at OSC level 20 mVrms, 5 mVrms). Note 2: C = Cmax (D1, D2) - Cmin (D1, D2) Cmin (D1, D2) X 100 *D1, D2: Please refer to the Pin Layout shown below. Symbol Diode 1 Diode 2 D1 D2 Anode Pin 1 3 Cathode Pin 2 2 Page 2 August 1999 TOKO, Inc. KV1555NT TYPICAL PERFORMANCE CHARACTERISTICS CAPACITANCE AND QUALITY FACTOR vs. REVERSE VOLTAGE TA = 25 C f = 1 MHz CAPACITANCE (pF) REVERSE CURRENT vs. REVERSE VOLTAGE 1000 1n TA = 85 C 1000 IREV (A) 100 p TA = 55 C 100 100 Q 10 p TA = 25 C 10 0 1 2 VREV (V) 3 4 10 1p 0 2 4 6 8 10 12 14 16 VREV (V) 1.16 1.12 1.08 C (25 C) C (TA) vs. REVERSE VOLTAGE C (25 C) f = 1 MHz TEMPERATURE COEFFICIENT vs. REVERSE VOLTAGE TA = -55 C to +85 C f = 1 MHz 1.04 1.00 0.96 0.92 0.88 0.84 0 1 2 VREV (V) 3 4 +25 C -15 C -55 C C / TA (ppm/ C) TA = +85 C +55 C 3000 1000 C (TA) 300 100 0 1 2 VREV (V) 3 4 August 1999 TOKO, Inc. Page 3 KV1555NT PACKAGE OUTLINE R2.3 T092-3 3.6 4.6 Mark 1.3 Marking Information Product Code 555 AAA YYY Lot No. 4.6 16.0 0.5 0.46 0.15 0.5 3.0 0.5 0.25 M 1 e 2.5 2 e 2.5 3 0.38 0.15 0.5 (18.0 1.0 0.5 ) (9.0 0.5 ) Tape Dimensions are shown in millimeters Tolerance: x.x = 0.2 mm (unless otherwise specified) Toko America, Inc. Headquarters 1250 Feehanville Drive, Mount Prospect, Illinois 60056 Tel: (847) 297-0070 Fax: (847) 699-7864 TOKO AMERICA REGIONAL OFFICES Midwest Regional Office Toko America, Inc. 1250 Feehanville Drive Mount Prospect, IL 60056 Tel: (847) 297-0070 Fax: (847) 699-7864 Western Regional Office Toko America, Inc. 2480 North First Street , Suite 260 San Jose, CA 95131 Tel: (408) 432-8281 Fax: (408) 943-9790 Eastern Regional Office Toko America, Inc. 107 Mill Plain Road Danbury, CT 06811 Tel: (203) 748-6871 Fax: (203) 797-1223 Semiconductor Technical Support Toko Design Center 4755 Forge Road Colorado Springs, CO 80907 Tel: (719) 528-2200 Fax: (719) 528-2375 Visit our Internet site at http://www.tokoam.com The information furnished by TOKO, Inc. is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification or manufacture of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents or other rights of third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc. Page 4 (c) 1999 Toko, Inc. All Rights Reserved IC-xxx-KV1471E 0798O0.0K August 1999 TOKO, Inc. Printed in the USA |
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