EFJ-C2005E5B

Ceramic Resonators (Chip Type) Ceramic Resonators, Chip Type (Built-In Capacitors Type) Type: JC ( 16 to 50 MHz) n Features l l l l Low Profile Type (1.2 mm maximum in thickness) Designed for lead free soldering Wide Oscillation Frequency : 16 to 50 MHz High reliability against soldering heat and mechanical stress l Contributes simplification of oscillation circuits and reduces the numbers of circuit parts n Recommended Applications l Clock generator for microprocessers l Carrier between telecommunication equipment (Telephone to telephone, personal computer to printer) n Precautions for Safety (See Page 218 to 219) n Explanation of Part Numbers E F J C 2 0 0 5 5 B n Ratings and Characteristics Part Number Bulk Pack Embossed Taping Oscillation Frequency (fo) EFJC2505B5B EFJC2505E5B 25.00 MHz ±0.5 % Loop Gain (G) EFJC3205B5B EFJC3205E5B 32.00 MHz ±0.5 % EFJC3385B5B EFJC3385E5B 33.868 MHz ±0.5 % EFJC4005B5B EFJC4005E5B 40.00 MHz ±0.5 % EFJC1695C5B EFJC1695F5B 16.93 MHz ±0.5 % EFJC2005C5B EFJC2005F5B 20.00 MHz ±0.5 % l Operating Temperature Range: Ð20 to 80 ûC l Frequency Drift : 0.3% max./10 years 10 dB min. 14 dB min. Temperature Characteristics Maximum frequency drift ±0.2 %, Ð20 to 80 ¡C Built-in Capacitors (Reference) 8 pF 16 pF Note: Also available are types other than above standard products in the frequency range of 16.0 to 50.0 MHz. Ceramic Resonators (Chip Type) n Dimensions in mm (not to scale) l Bulk [Type JC] EFJC111111B l Embossed Taping EFJC111111B Thickness changes with Products (40 MHz : 0.90 mm) Dim. A B W F E P1 (mm) 2.3 2.8 8.0±0.2 3.5±0.1 1.75±0.1 4.0±0.1 P2 P0 Dim. (mm) fD0 2.0±0.1 4.0±0.1 n Test Circuits Diagram 1.5 +0.1 0 t1 t2 fC 0.35 1.65 1.0 For Loop Gain For Oscillation Circuit IC : µPD 74HCU04 n Typical Characteristics n Recommended Land Dimensions [Type JC] Type JC 1.0 0.5 2.0 0.8 a b c d (mm) n Packaging Specifications Supplied in bulk or taped & reel packing style l Standard Packing Quantity Type Embossed Taping Bulk JC 3000 pcs./reel 500 pcs./bag l Dimensions for Reel in mm (not to scale) [Type JC] Dim. fA fB C D E (mm) 180±5 60 min. 13±0.2 21±0.8 2.0±0.5 Dim. (mm) W 9.0 +1.0 Ð0.5 T t r 14.0 max. 2.5 max. 1.0