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© 2003 FOX ELECTRONICS

RESISTANCE WELD THRU-HOLE CRYSTAL

HC49U

1

Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer

Service for specific requirements.

All specifications subject to change without notice. Rev.

02/10/03

PARAMETERS

Frequency Range

Frequency Tolerance @ 25ºC

Frequency Stability, ref @ 25ºC

Over Operating Temp Range

Temperature Range

Operating

Storage

Shunt Capacitance

(Co)

Load Capacitance

Drive Level

1.8432 ~ 3.000 MHz

3.000+ ~ 180.000 MHz

Aging per year

1.8432 ~ 180.000 MHz

±30 PPM

±50 PPM

-20ºC ~ +70ºC

-40ºC ~ +85ºC

7.0 pF

10 pF ~ Series

(Customer Specified)

2.0 mW

1.0 mW

±5 PPM

1.8432 ~ 2.000

2.000+ ~ 2.400

2.400+ ~ 3.000

3.000+ ~ 3.200

3.200+ ~ 3.700

3.700+ ~ 4.200

4.200+ ~ 4.900

4.900+ ~ 5.000

5.000+ ~ 6.000

6.000+ ~ 8.000

8.000+ ~ 10.000

10.000+ ~ 12.500

12.500+ ~ 16.000

16.000+ ~ 40.000

23.000+ ~ 75.000

60.000 ~ 110.000

110.000 ~ 180.000

Frequency Range

(MHz)

Fundamental

Fundamental

Fundamental

Fundamental

Fundamental

Fundamental

Fundamental

Fundamental

Fundamental

Fundamental

Fundamental

Fundamental

Fundamental

Fundamental

3rd OT

5th OT

7th OT

750

500

300

200

120

100

70

55

50

40

35

30

25

20

40

80

120

Operating Mode

Max ESR

Ω

All dimensions are in millimeters.

FEATURES

• Low Cost

• Stocking Standard

• High Frequency Range

• Fundamental to 40 MHz

• Resistance Weld

OPTIONS

• Tolerances to < 5 PPM

• Stabilities to < 3 PPM

• Temperatures to -40ºC ~ -85ºC

• Mylar Spacer

• Vinyl Sleeve

• Third Lead

• SMD Gullwing (HC49UW)

DISCONTINUED