Ceramic Resonators
セラミック発振子
TYPE CRA
(CERASONATOR
®
) kHz Band with built-in capacitors
Dimensions
( Unit : mm )
6.5 Max.
0.5
3.5
0.6
0.9
4 Max.
CRA
Description
•
Ceramic resonators with built-in capacitors usable in the
kHz band for remote controls.
•
Applicable oscillating frequency range: 430 to 500kHz.
概 要
●各種リモコン用 C 内蔵の kHz 帯セラミック発振子
●対応発振周波数範囲:430 ∼ 500kHz
特 長
Features
•
Precise oscillating frequency without adjustment.
•
Load capacitors (C1 and C2) not required.
•
May be used with a variety of ICs.
●無調整で高精度の発振周波数
●負荷容量(C1、C2)が不要
●各種 IC との組合せが容易
用 途
Applications
•
Reference signal oscillators for — Microcomputers
(household electronics, OA equipment)
Remote controlling — TVs, VTRs, air-conditioners,
CD players, lighting.
•
Digital applications equipment including measuring
instruments, communications equipment, toys, etc.
●各種マイコン用基準信号発生器(各種家電機器、OA 機器)
●各種リモコン用基準信号発生器(TV、VTR、エアコン、CD
プレーヤ、照明器具)
●計測器、通信機器、玩具などのデジタル応用機器
STANDARD RESONATORS
TYPE CRA
東光品番
発振周波数
共振抵抗
発振周波数の温度特性 負荷容量
備考
TOKO
Part
Number
Oscillating
Frequency(Fosc)
(kHz)
Resonance
Impedance
(Ω)
Fosc
Temp. Stability
(-20°C~+80°C)
Load capacitor
C
2
C
1
(pF)
(pF)
1.5
➀ ➁ ➂
9.5 Max.
0.6
0.9
2.5
2.5
Note
DCRA440
DCRA455
DCRA480
DCRA500
440kHz±0.5%
455kHz±0.5%
480kHz±0.5%
500kHz±0.5%
3.0
3.0
3.0
3.0
max.
max.
max.
max.
±0.3%
±0.3%
±0.3%
±0.3%
Built-in
Built-in
Built-in
Built-in
Built-in
Built-in
Built-in
Built-in
External
appearance
differs
• Oscillating frequency tolerance can be designed to a desired level
• TOKO performs matching evaluation for all types of ICs.
Please contact us regarding applicable products.
●発振周波数は、任意の周波数とすることが可½です。
●各種 IC とのマッチング評価を行っていますので、対応品番をお問い合
わせ下さい。
Oscillating frequency test circuit 発振周波数 測定回路