KV1435 VARIABLE CAPACITANCE DIODE FEATURES APPLICATIONS ■ Suitable for World Wide Band (76 to 108 MHz) ■ Excellent Linearity (CV Curve) ■ Large Capacitance Ratio (A = 3.30 minimum) with Very Low Series Resistance ■ Two Diodes in a Miniature Package (SOT-23-3) ■ Very Small Capacitance Deviation at Tape/Reel ■ Very High Q ■ FM Radio ■ Voltage Controlled Oscillator DESCRIPTION The KV1435 is a 9 volt range variable capacitance diode designed for FM tuner applications. It contains two elements housed in the miniature SOT23-3 surface mount package. CLASSIFICATION RANK 1 2 3 4 MIN 68.86 70.81 72.80 74.85 MAX 71.52 73.53 75.61 77.74 C C2 (Unit: pF) KV1435 3 20 P ORDERING INFORMATION 1 2 KV1435 Tape/Reel Code TAPE/REEL CODE TL: Tape Left January 2000 TOKO, Inc. Page 1 KV1435 ABSOLUTE MAXIMUM RATINGS Reverse Voltage ....................................................... 18 V Forward Current .................................................... 50 mA Power Dissipation .............................................. 100 mW Storage Temperature Range ................... -55 to +150 °C Operating Temperature Range ...................-55 to +85 °C Lead Soldering Temperature (10 s) ...................... 235 °C ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C SYMBOL PARAMETER TEST CONDITIONS V REV Reverse Voltage IREV = 10 µA IREV Reverse Current V REV = 10.0 V C2 Diode Capacitance 2 V REV = 2.0 V, f = 1 MHz C4 Diode Capacitance 4 C6 MIN TYP MAX 16 UNITS V 50 nA 68.86 77.74 pF V REV = 4.0 V, f = 1 MHz 42.93 56.46 pF Diode Capacitance 6 V REV = 6.0 V, f = 1 MHz 26.39 36.69 pF C9 Diode Capacitance 9 V REV = 9.0 V, f = 1 MHz 16.91 22.25 pF RS Series Resistance V REV = 2.0 V, f = 70 MHz 0.4 Ω A Capacitance Ratio C2 / C9 3.30 4.60 Note 1: Diode Capacitance measured with HP 4279A or equivalent instruments (at OSC level 20 mVrms, ± 5 mVrms). Note 2: Series Resistance measured with HP 4191A or equivalent instruments. Note 3: The tolerance of two adjacent parts in a reel is within 3% at C2, C4, C6, and C9. Page 2 January 2000 TOKO, Inc. KV1435 TYPICAL PERFORMANCE CHARACTERISTICS REVERSE CURRENT vs. REVERSE VOLTAGE CAPACITANCE vs. REVERSE VOLTAGE 1n 200 TA = 25 °C f = 1 MHz TA = 85 °C 100 p IREV (A) CAPACITANCE (pF) 100 TA = 55 °C 10 p TA = 25 °C 30 1p 10 0 1 2 3 4 5 6 7 8 100 f 0 9 2 4 6 VREV = 2 V TA = 25 °C 0.3 RS (Ω) 100 MHz 0.1 0 1 2 3 4 5 6 7 8 9 50 100 300 500 VREV (V) f (MHz) C (TA) vs. REVERSE VOLTAGE C (25 °C) TEMPERATURE COEFFICIENT vs. REVERSE VOLTAGE 1.05 1.04 1000 TA = -55 °C to +85 °C f = 1 MHz f = 1 MHz TA = +85 °C 1.03 1.02 ∆C /∆ TA (ppm/ C) Q 70 MHz C (TA) C (25 C) 14 16 0.5 TA = 25 °C f = 50 MHz 10 12 SERIES RESISTANCE vs. FREQUENCY QUALITY FACTOR vs. REVERSE VOLTAGE 100 10 VREV (V) VREV (V) 1000 8 +55 °C 1.01 1.00 +25 °C 0.99 -15 °C 0.98 -55 °C 300 0.97 0.96 100 0.95 0 1 2 3 4 5 VREV (V) January 2000 TOKO, Inc. 6 7 8 9 0 1 2 3 4 5 6 7 8 9 VREV (V) Page 3 KV1435 PACKAGE OUTLINE Marking Information SOT23-3 Product Code G3 Mark Recommended Mounting Pad + 0.10 0.15 0.05 0 ~ 0.1 1.1 + 0.1 M 0.1 1.3 max 0.10 0.4 + 0.05 2.8 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 © 1999 Toko, Inc. All Rights Reserved January 2000 TOKO, Inc. IC-xxx-KV1471E 0798O0.0K Printed in the USA