HC49US


Product Features:

Low Cost Package

RoHs Compliant

Compatible with Leadfree Processing

Applications:

Fibre Channel

Server & Storage

Sonet /SDH

802.11 / Wifi

T1/E1, T3/E3

Frequency 3.200 MHz  to  100 MHz
Aging ±5 ppm Max. / Year Standard
Crystal Cut AT Cut Standard
Drive Level 1 mW Max.
ESR (Equivalent Series Resistance)
3.2 MHz – 3.49 MHz 300 Ω Max.
3.5 MHz – 3.99 MHz 200 Ω Max.
4.0 MHz – 4.99 MHz 150 Ω Max.
5.0 MHz – 5.99 MHz 120 Ω Max.
6.0 MHz – 6.99 MHz 100 Ω Max.
7.0 MHz – 8.9 MHz 80 Ω Max.
9.0 MHz – 12.9 MHz 60 Ω Max.
13.0 MHz – 19.9 MHz 40 Ω Max.
20.0 MHz – 36 MHz 30 Ω Max.
27 MHz – 100 MHz (3rd O.T.) 100 Ω Max.
Frequency Stability over Temperature ±50 ppm Standard (see Part Number Guide for more options)
Frequency Tolerance @ 25° C ±30 ppm Standard (see Part Number Guide for more options)
Load Capacitance 18 pF Standard (see Part Number Guide for more options)
Operating Temperature 0° C to +70° C Standard (see Part Number Guide for more options)
Shunt Capacitance (C0) 7 pF Max.
Storage Temperature -40° C to +85° C Standard

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Part Number Guide

– Sample Part Number: HC49US – FB1F18 – 20.000 MHz

Package Tolerance (ppm) at Room Temperature Stability (ppm) over Operating Temperature Operating Temperature Range Mode (overtone) Load Capacitance (pF) Frequency
HC49US – (3.5 mm H) B = ± 50 B = ± 50 0 = 0°C to +50°C F = Fundamental 18 pF Standard or Specify 20.000 MHz
HC49US2 – (2.5 mm H) F = ± 30 F = ± 30 1 = 0°C to +70°C 3 = 3rd Overtone
HC49US3 – (2.0 mm H) G = ± 25 G = ± 25 2 = -10°C to +60°C
H = ± 20 H = ± 20 3 = -20°C to +70°C
I = ± 15 I = ± 15 ** 5 = -40°C to +85°C
J = ±10 * J = ±10 ** 9 = -10°C to +50°C

 

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