LP21-SR-7.999M-IN datasheet, PDF

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LP21-SR-7.999M-IN: DescriptionSeries - Fundamental Quartz Crystal, 7.999MHz Nom, HC-49/US, 2 PIN; CategoryPassive components Crystal/resonator; File Size57KB，1 Pages; ManufacturerPletronics; Environmental Compliance

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LP21-SR-7.999M-IN Overview

Series - Fundamental Quartz Crystal, 7.999MHz Nom, HC-49/US, 2 PIN

LP21-SR-7.999M-IN Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	1830814882
package instruction	HC-49/US, 2 PIN
Reach Compliance Code	compliant
Other features	AT-CUT
Ageing	5 PPM/YEAR
Crystal/Resonator Type	SERIES - FUNDAMENTAL
Drive level	50 µW
frequency stability	0.005%
frequency tolerance	30 ppm
JESD-609 code	e3
Installation features	THROUGH HOLE MOUNT
Nominal operating frequency	7.999 MHz
Maximum operating temperature	70 °C
Minimum operating temperature
physical size	L10.8XB4.47XH2.1 (mm)/L0.425XB0.176XH0.083 (inch)
Series resistance	80 Ω
surface mount	NO
Terminal surface	Matte Tin (Sn)

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Pl tronics, Inc.

19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA

Manufacturer of High Quality Frequency Control Products

LP49 Crystal Series

HC-49/US Low Profile Metal Thru-Hole Crystals

Available in 3 heights, LP49: 3.5mm (STD), LP24: 2.5mm, LP21: 2.1mm

and with 3rd Case Pin: 3LP49

Standard Specifications

± 30 PPM is standard, tighter tolerances available

Calibration Frequency Tolerance at 25

Operating Temperature Range (OTR)

0 to +70°C is standard, but can be extended to -40 to +85°C

Frequency Stability (FS) over OTR

± 50 PPM is standard, tighter tolerances available

Drive Level

μW

is standard, customer may specify

Aging at 25°C

± 5 PPM per year is standard, customer may specify ± 1 PPM

Shunt Capacitance

7 pF maximum

Pullability

May be specified by customer in terms of frequency shift required over a certain range of load capacitance

(e.g. +100 PPM from CL=12 to CL=18 pF) or as motional capacitance ( f F )

Part Numbering Guide

Portions of the part number that appear after the frequency may not

be marked on part (C of C provided)

LP49 B E - xx - 70.0M - IN XXX

(Internal Code or blank)

3.000 MHz

–

70.000 MHz

ESR Values

Oscillation

Mode

Frequency Range

(MHz)

Maximum

ESR (Ohms)

Model (Height)

LP49: 3.56mm

LP24: 2.5mm

LP21: 2.1mm

3LP49: case pin,

3.56mm

Cal Tol / Freq Stability

Blank = 30/50

B = 30/30

C = 15/30

D = 10/20 (consult factory)

Options

IN = Insulator

TR = Paper Tape & Reel

Frequency in MHz

Load Capacitance

Parallel Resonance in pF (

pF)

SR = Series Resonance

Temperature Range

Blank: 0 to +70

E: - 40 to +85

H: - 20 to +70

Fundamental

AT Cut

3.000

4.000

5.000

6.000

7.000

8.000

13.000

– 3.999

– 4.999

– 5.999

– 6.999

– 7.999

– 12.999

– 30.000

200

150

120

100

3rd Overtone

AT Cut

25.000 – 70.000

Consult factory for lower ESR

Consult factory for available frequencies and specs.

Not all options available for all frequencies. A special part number may be assigned.

Mechanical: inches (mm)

.425 (10.8) MAX

.176 (4.47) MAX

not to scale

3LP49

.425 (10.8) MAX

Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code.

Packaging

Bulk

LP49: .140 (3.56)

LP24: .100 (2.5)

LP21: .082 (2.1)

.176 (4.47) MAX

.140 (3.56)

.500 (12.7) MIN

.017 (.43) Diameter

Center lead is case ground

.192 (4.88)

July 2006

Pl tronics, Inc.

(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com

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