SM55-SR-70.0M datasheet, PDF - EEWORLD Datasheet

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SM55-SR-70.0M: DescriptionSeries - 3Rd Overtone Quartz Crystal, 70MHz Nom, SMD, 4 PIN; CategoryPassive components Crystal/resonator; File Size40KB，1 Pages; ManufacturerPletronics

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SM55-SR-70.0M Overview

Series - 3Rd Overtone Quartz Crystal, 70MHz Nom, SMD, 4 PIN

SM55-SR-70.0M Parametric

Parameter Name	Attribute value
Maker	Pletronics
package instruction	SMD, 4 PIN
Reach Compliance Code	unknown
Other features	TAPE AND REEL; AT CUT CRYSTAL
Ageing	5 PPM/YEAR
Crystal/Resonator Type	SERIES - 3RD OVERTONE
Drive level	50 µW
frequency stability	0.005%
frequency tolerance	30 ppm
Manufacturer's serial number	SM55
Installation features	SURFACE MOUNT
Nominal operating frequency	70 MHz
Maximum operating temperature	70 °C
Minimum operating temperature
physical size	L13.1XB5.0XH5.5 (mm)/L0.516XB0.197XH0.217 (inch)
Series resistance	100 Ω
surface mount	YES

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19013 36th Ave. West

Suite H

Lynnwood, WA 98036, USA

SM55, SM45, SM40 Crystal

HC-49/US Low Profile Crystal Mounted on a Surface Mount Platform

Available in 3 heights, SM55: 5.5mm, SM45: 4.5mm, SM40: 4.0mm

Solder Pad Compatible with our SM39S and SMD Crystals from Epson, Meiden & Citizen

Available in Standard 4 pad or Optional 2 pad Pinout Style

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

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 ( fF )

Part Numbering Guide

SM45 E -- xx -- 70.0M

3.200 MHz

–

70.000 MHz

ESR Values

Oscillation

Mode

Frequency Range

(MHz)

Maximum

ESR (Ohms)

Model

(Height/Pinout)

SM55: 5.5mm/Std

SM45: 4.5mm/Std

SM40: 4.0mm/Std

SMP55: 5.5mm/2 pad

SMP45: 4.5mm/2 pad

SMP40: 4.0mm/2 pad

Frequency in MHz

Load Capacitance

Parallel Resonance in pF (

pF)

SR = Series Resonance

Temperature Range

Blank: 0 to +70

E: - 40 to +85

Fundamental

AT Cut

3.200

5.000

8.000

12.000

–

4.999

7.999

11.999

30.000

300

120

100

3rd Overtone

AT Cut

25.000 – 70.000

Consult factory for available frequencies and specs.

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

Consult factory for lower ESR

Mechanical: inches (mm)

not to scale

Solder Pads

Standard Pinout (SM)

.09 (2.4)

.06 (1.6)

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.

.516 (13.1) MAX

Packaging

24mm tape

12mm pitch

.197 (5.0) MAX

.256 (6.5)

SM55: .217 (5.5) MAX

SM45: .177 (4.5) MAX

SM40: .157 (4.0) MAX

.055 (1.4)

.370 (9.4)

.06 (1.6)

CASE GND

.256 (6.5)

.09 (2.2)

.14 (3.6)

May 2002

.09 (2.2)

.14 (3.6)

Optional 2 Pad Pinout (SMP)

.09 (2.4)

Pl tronics, Inc.

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

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