RHC-49US Datasheet, PDF (1/5 Pages) TEMEX – SMD Microprocessor Crystal

RHC-49US
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SMD Microprocessor Crystal
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Reliable resistance welded SMD microprocessor crystal with high stability and
calibration tolerance options available.
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Product description
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Standard SMD microprocessor crystal packaged using a resistance welded metal enclosure.
This model has a very low profile and is supplied on tape and reel.
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Applications
• Consumer
• Industrial
• Telecommunications
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Features
• Low cost
• High stability
• Wide frequency range
• AT/BT fundamental, or third overtone crystal modes
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Specifications
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1.0
Line
1.1
1.2
1.3
1.4
1.5
SPECIFICATION REFERENCE
Parameter
Description
Model description
RHC-49US SMD, 2 pin
RoHS compliant
Yes
Reference number
Rakon part number
Package
13 x 4.9 x 4.2 mm Max.
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2.0
Line
2.1
2.2
2.3
2.4
2.5
FREQUENCY CHARACTERISTICS
Parameter
Test Condition
Frequency
AT cut: 3.4875 to 36 MHz; BT cut: 24 to 44 MHz; 3rd overtone:
24.576 to 75 MHz
Calibration tolerance
Frequency at 25°C ±2°C and specified load capacitance
Frequency stability
over temperature
Referenced to frequency reading at 25°C and the specified load
capacitance
Temperature range
Operating temperature
Long term stability
Frequency drift over 1 year at 25°C
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3.0
Line
3.1
3.2
3.3
3.4
3.5
ELECTRICAL
Parameter
Load capacitance (CL)
Shunt capacitance
(C0)
Drive level
Equivalent series
resistance (ESR)
Insulation resistance
(IR)
Test Condition
Frequency is calibrated at room temperature
Operating specification
Typically 100 µW
DC 100V ±15V at 25°C
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Value
3.4875 to
75
±5 to 50
±3 to 50
-40 to 85
±3 to 5
Unit
MHz
ppm
ppm
°C
ppm
Value
5 to 50
5 max
1000 max
25 to 150
500 min
Unit
pF
pF
µW
Ω
MΩ
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