HC-49/U-S
Miniature Quartz Crystal Unit for Microprocessor Model HC-49/U-S
■Features
¡Height 3.5mm, the volume is compact at about one-fourth that of
the former product (HC-49/U).
¡A resistance weld completely sealed type.
¡The frequency stability is good, the reliability is high.
¡Multiple standard frequencies.
¡Copes with high density mounting and is optimum for mass
production models.
Dimensions(mm)
■Specifications
■Table 2 Standard Frequencies
■
Outline
Type HC-49/U-S
Standard Frequency
-10~+70:
Operating Temp. Range
Overtone Order
-40~+85: Storage Temp. Range
Frequency
Tolerance
at 25:
Over The Oper. Temp. Range
Equivalent Series Resistance
Load Capacitance
Shock
Vibration
∆F/F : ±10×10-6
Three drops onto a hard wood board from the height of 20cm Three drops onto a hard wood
board from the height of 100cm
10~55Hz, amplitude 1.5mm, each
to 3 directions, 6 hours each
∆F/F : ±10×10-6
10~55Hz, amplitude 0.7~0.9mm, each to 3 directions, 30 minutes each
Frequency
Range
Main application
3.2~29MHz : Fundamental
29~60MHz : 3rd O.T.
Automotive engine control
4~20MHz
Table3
-40~+125:
-40~+150:
±100×10-6
±200×10-6
(referred to 25
:
)
Table 3
Table 3
Fundamental
Drive Level
Shunt Capacitance 0.3mW MAX.
7.0pF MAX.
Table 1
Table 2
AV•PC
3.2~60MHz
±15, ±30, ±50×10-6
±15, ±30, ±50×10-6 (referred to 25:)
Table 2
Table 2
Table 1
Table 1
MAX.