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| KV1841K VARIABLE CAPACITANCE DIODE FEATURES s s s s s Very Small UFD Surface Mount Package Very Low Series Resistance Large Capacitance Ratio (A = 2.35) Excellent Linearity (CV Curve) Very Small Capacitance Deviation at Tape/Reel APPLICATIONS s s s s Communications Equipment Multi-Channel Cordless Telephone Voltage Controlled Oscillator UHF Wireless Communication Systems DESCRIPTION The KV1841K is a variable capacitance diode designed for UHF applications. The KV1841K is available in a very small UFD Surface Mount Package. CLASSIFICATION RANK C MIN C2 MAX 1 13.50 14.23 2 13.93 14.65 3 14.35 15.08 (Unit: pF) 4 14.78 15.50 KV1841K Note: Rank is determined after testing and marked on the reel. All the diodes on a reel have the same rank, but rank can not be specified when ordering. ORDERING INFORMATION KV1841K Tape/Reel Code TAPE/REEL CODE TR: Tape Right August 1999 TOKO, Inc. Page 1 KV1841K ABSOLUTE MAXIMUM RATINGS Reverse Voltage ....................................................... 18 V Forward Current ...................................................... 7 mA Power Dissipation ................................................ 25 mW Storage Temperature Range ................... -55 to +150 C Operating Temperature Range ................... -55 to +85 C ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 C SYMBOL V REV IREV C2 C6 RS A PARAMETER Reverse Voltage Reverse Current Diode Capacitance 2 Diode Capacitance 6 Series Resistance Capacitance Ratio TEST CONDITIONS IREV = 1 A V REV = 10 V V REV = 2 V, f = 1 MHz V REV = 6 V, f = 1 MHz C = 11 pF, f = 470 MHz C1 / C6 2.35 13.50 6.80 14.50 7.50 MIN 12 5.0 15.50 8.30 0.3 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: Series Resistance measured with HP 4191A or equivalent instruments. Page 2 August 1999 TOKO, Inc. KV1841K TYPICAL PERFORMANCE CHARACTERISTICS CAPACITANCE vs. REVERSE VOLTAGE 100 TA = 25 C f = 1 MHz CAPACITANCE (pF) REVERSE CURRENT vs. REVERSE VOLTAGE 1 TA = 85 C TA = 55 C 10 IREV (nA) 0.1 TA = 25 C 0.01 1 0 2 VREV (V) 4 6 0.001 0 2 4 6 VREV (V) 8 10 12 QUALITY FACTOR vs. REVERSE VOLTAGE 1000 f = 100 MHz 200 MHz 0.3 0.5 SERIES RESISTANCE vs. FREQUENCY VREV = 3 V TA = 25 C Q 100 300 MHz 470 MHz RS () 0.1 10 0 2 VREV (V) 4 6 100 300 f (MHz) C (TA) vs. TEMPERATURE C (25 C) 1.08 TA = 85 C 1.04 C (TA) C (25 C) f = 1 MHz CAPACITANCE TEMPERATURE COEFFICIENT vs. REVERSE VOLTAGE 1000 TA = -55 C to +85 C f = 1 MHz C / TA (ppm/ C) 55 C 1.00 25 C -15 C 0.96 -55 C 0.92 0 2 4 VREV (V) 6 8 100 0 2 VREV (V) 4 6 August 1999 TOKO, Inc. Page 3 KV1841K PACKAGE OUTLINE Marking Information Product Code P UFD 1.7 Cathode Orientation Marking Marking 0.8 + 0.1 0.8 0.6 1.2 1.6 + 0.1 + 0.1 0.3 + 0.05 Recommended Mount Pad + 0.1 Dimensions are shown in millimeters Tolerance: x.x = 0.2 mm (unless otherwise specified) 0.11 +0.10 -0.05 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-KV1841E 0798O0.0K 0.6 August 1999 TOKO, Inc. Printed in the USA |
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