ILSI America LLC 5458 Louie Lane, Reno, NV 89511 | 775-851-8880

UM1 / UM4 / UM5

- 2 Lead Metal Package, 3.2 mm x 8 mm
Product Features:
Low Cost
RoHS Compliant
Compatible with Leadfree Processing
Applications:
Fibre Channel
Server and Storage
Sonet /SDH
802.11 / Wifi
T1/E1, T3/E3
System Clock
Frequency 7 MHz  to  160 MHz
Aging± 5 ppm Max. /Year Standard
Crystal CutAT Cut Standard
Drive Level1 mW Max.
ESR (Equivalent Series Resistance)
7.0 MHz - 9.9 MHz100 Ω Max.
10.0 MHz - 14.9 MHz60 Ω Max.
15.0 MHz - 29.9 MHz30 Ω Max.
30 MHz - 36 MHz20 Ω Max.
30 MHz - 49.9 MHz (3rd O.T.)70 Ω Max.
50 MHz -100 MHz (3rd O.T.)50 Ω Max.
75 MHz -160 MHz (5th O.T.)100 Ω Max.
Frequency Stability over Temperature± 50 ppm Standard (see Part Number Guide for more options)
Frequency Tolerance @ 25° C± 30ppm Standard (See Part Number Guide for more options)
Load Capacitance18 pF Standard (see Part Number Guide for more options)
Operating Temperature0°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: UM1 - FB1F18 - 20.000 MHz
PackageStability (ppm) at Room TemperatureStability (ppm) over Operating TemperatureOperating Temperature RangeMode (overtone)Load Capacitance (pF)Frequency
UM1 - (8.0 mm H)B = ± 50B = ± 500 = 0°C to +50°CF = Fundamental18 pF Standard or Specify20.000 MHz
UM4 - (4.7 mm H)F = ± 30F = ± 301 = 0°C to +70°C3 = 3 rd Overtone
UM5 - (6.0 mm H)G = ± 25G = ± 252 = -10°C to + 60°C5 = 5th Overtone
H = ± 20H = ± 203 = -20° C to +70°C
I = ± 15I = ± 15 **5 = -40°C to +85°C
J = ± 10 *J = ± 10 **9 = -10°C to +50°C
 
* Not available at all frequencies.
** Not available for all temperature ranges.