CRHTC/CRHTCP CERAMIC RESONATORS Description Dimensions • Built-in capacitor MHz band ceramic oscillators for microprocessors and infra-red remote controls, telephone D.T.M.F., reference signal oscillators, etc. • Applicable oscillating frequency range: 2.5 — 6.0MHz Features • Precise oscillating frequency without adjustment. • Load capacitors (C1, C2) built-in • May be used with a variety of ICs. • Available on tape and reel (CRHTCP for taping) • Lead-free terminations Applications Unit: mm • Reference signal oscillators for microprocessors (household electronics, OA equipment). • Reference signal oscillators for remote controls (TVs, VCRs, air-conditioners, CD players, lighting). • Digital applications equipment including measuring instruments, communications equipment, toys, etc. Test Circuit Oscillating frequency test circuit 1 3 IC VDD X C1, C2 :1/6 μPD4069UBC :+5V :Ceramic element :Built-in Capacitor 2 STANDARD RESONATORS SELECTION GUIDE TYPE CRHTC/CRHTCP (MHz band with built-in capacitors) TOKO Part Number Oscillating* Frequency (Fosc) Resonance Impedance (Ω) Fosc Static Temp. Stability (–20°C~+80°C) DCRHTC3.58 DCRHTC4.00 DCRHTC4.19 DCRHTC5.00 DCRHTC6.00 T1ZCRHTC3.58-AG T1ZCRHTC4.19-AF 3.58MHz±0.5% 4.00MHz±0.5% 4.19MHz±0.5% 5.00MHz±0.5% 6.00MHz±0.5% 3.5795 4.1943 30 max. 30 max. 30 max. 25 max. 25 max. 30 max. 30 max. ±0.3% ±0.3% ±0.3% ±0.3% ±0.3% ±0.3% ±0.3% External Capacitor C1 C2 (pF) (pF) Built-in Built-in Built-in Built-in Built-in Built-in Built-in Built-in Built-in Built-in Built-in Built-in Built-in Built-in Note D.T.M.F. D.T.M.F. * Oscillating frequency tolerance can be designed to desired level. TOKO performs matching evaluations for all types of ICs. Please contact TOKO regarding applicable products. 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. TOKO America, Inc. 1250 Feehanville Drive, Mount Prospect, Illinois 60056 Tel: (847) 297-0070 Fax: (847) 699-7864 Web: http://www.tokoam.com August 2005 © 2005 TOKO America, Inc. All Rights Reserved Printed in USA CF-327-CRHTC/P R-LOG0805A 1