CRHTC/CRHTCP
CERAMIC RESONATORS
Description
• 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
Dimensions
Features
• Precise oscillating frequency without adjustment.
• Load capacitors (C
1
, C
2
) built-in
• May be used with a variety of ICs.
• Available on tape and reel (CRHTCP for taping)
• Lead-free terminations
Applications
• 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.
Unit: mm
Test Circuit
Oscillating frequency test circuit
1
3
IC
V
DD
X
C
1
, C
2
: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
DCRHTC3.58
DCRHTC4.00
DCRHTC4.19
DCRHTC5.00
DCRHTC6.00
T1ZCRHTC3.58-AG
T1ZCRHTC4.19-AF
Oscillating*
Frequency
(Fosc)
3.58MHz±0.5%
4.00MHz±0.5%
4.19MHz±0.5%
5.00MHz±0.5%
6.00MHz±0.5%
3.5795
4.1943
Resonance
Impedance
(Ω)
30 max.
30 max.
30 max.
25 max.
25 max.
30 max.
30 max.
Fosc Static
Temp. Stability
(–20°C~+80°C)
±0.3%
±0.3%
±0.3%
±0.3%
±0.3%
±0.3%
±0.3%
External Capacitor
C
1
C
2
(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
FPGA/CPLD
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