HC494PD-70M000-3B50B20 datasheet, PDF

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HC494PD-70M000-3B50B20: DescriptionParallel - 3Rd Overtone Quartz Crystal, 70MHz Nom, ROHS COMPLIANT, METAL CAN, HC49, SMD, 4 PIN; CategoryPassive components Crystal/resonator; File Size431KB，1 Pages; ManufacturerFortiming Corporation; Environmental Compliance

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HC494PD-70M000-3B50B20 Overview

Parallel - 3Rd Overtone Quartz Crystal, 70MHz Nom, ROHS COMPLIANT, METAL CAN, HC49, SMD, 4 PIN

HC494PD-70M000-3B50B20 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	1294483904
package instruction	ROHS COMPLIANT, METAL CAN, HC49, SMD, 4 PIN
Reach Compliance Code	unknown
Other features	AT CUT
Ageing	5 PPM/YEAR
Crystal/Resonator Type	PARALLEL - 3RD OVERTONE
Drive level	100 µW
frequency stability	0.005%
frequency tolerance	30 ppm
load capacitance	20 pF
Manufacturer's serial number	HC494PD
Installation features	SURFACE MOUNT
Nominal operating frequency	70 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
physical size	L13.2XB5.1XH5.6 (mm)/L0.52XB0.201XH0.22 (inch)
Series resistance	100 Ω
surface mount	YES

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Quartz Crystal Resonators

METAL CAN WITH 4 SOLDERING PADS SURFACE MOUNT PACKAGE - HC494PD Series

FEATURES

RoHS Compliant (Pb-Free), Low Cost, Popular Microprocessor Crystals

Industry Standard SMD Footprint, Interchangeable with Plastic Molded Package

AT-cut Crystal, Excellent Aging, Extended Temperature Range

Withstand IR or Vapor Phase Reflow Soldering Process

SPECIFICATIONS

Frequency Range

Resonance Mode

Calibration Tolerance @25°C

Frequency Stability Ref @25°C

Temperature Range

Crystal Aging

Storage Temperature

Load Capacitance (CL)

Shunt Capacitance

Drive Level

Creating a Part Number

Product Series

Frequency

Resonance Mode: 1 = Fundamental

3 = 3rd Overtone

5 = 5th Overtone

3.500 MHz to 70.000 MHz

1 = Fundamental (3.5 to 36 MHz); 3 = 3rd Overtone (27 to 70 MHz)

A = ±50 ppm; B = ±30 ppm; C = ±20 ppm; D = ±15 ppm; E = ±10 ppm

100 = ±100 ppm; 50 = ±50 ppm; 30 = ±30 ppm

A = 0°C to 70°C; B = -40°C to 85°C; C = -10°C to 60°C; D = -20°C to 70°C

±5 ppm / year Maximum

-55°C to 125°C

CL = 18 pF (Standard), 16 pF, 20 pF, others, or S = Series resonant

7 pF Maximum

0.1 mW Typical, 1 mW Maximum

HC494PD-16M000-1 B 50 A 18

-options

Load Capacitance: 18, 16, 20, S = Series resonant

Operating Temperature Range: A = 0 to 70°C

Frequency Stability:

Tolerance at 25°C:

A = ±50 ppm

B = ±30 ppm

C = ±20 ppm

100 = ±100 ppm

50 = ±50 ppm

30 = ±30 ppm

B = -40 to 85°C

D = -20 to 70°C

Equivalent Series Resistance

Frequency (MHz)

3.500 - 3.999

4.000 - 4.999

5.000 - 5.999

6.000 - 6.999

7.000 - 8.999

9.000 - 12.999

13.000 - 15.999

OUTLINE DRAWING

5.1 MAX

Mode

Fund

Max ESR (Ohms)

200

150

120

100

Frequency (MHz)

16.000 - 19.999

20.000 - 36.000

27.000 - 70.000

Mode

Fund

3rd O/T

Max ESR (Ohms)

100

MARKING

1.2

Standard Type

3.5±0.15

Recommended Solder Pad Layout

9.0

2.2

2.3

9.0±0.3

5.6 MAX

10.3 MAX

3.8 MAX

1.2

B Type

9.0±0.3

3.5±0.15

3.5

13.2 MAX

All dimensions are typical unless otherwise specified

Dimensions in Millimeters

www.4timing.com

2001-2007 Fortiming Corp. USA

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