HC49USMD-7M999-1E50B20 datasheet, PDF

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HC49USMD-7M999-1E50B20: DescriptionParallel - Fundamental Quartz Crystal, 7.999MHz Nom, ROHS COMPLIANT, RESISTANCE WELDED, HC49/U, SMD, 2 PIN; CategoryPassive components Crystal/resonator; File Size358KB，1 Pages; ManufacturerFortiming Corporation; Environmental Compliance

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HC49USMD-7M999-1E50B20 Overview

Parallel - Fundamental Quartz Crystal, 7.999MHz Nom, ROHS COMPLIANT, RESISTANCE WELDED, HC49/U, SMD, 2 PIN

HC49USMD-7M999-1E50B20 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Fortiming Corporation
package instruction	ROHS COMPLIANT, RESISTANCE WELDED, HC49/U, SMD, 2 PIN
Reach Compliance Code	unknow
Other features	AT CUT; TAPE AND REEL
Ageing	5 PPM/YEAR
Crystal/Resonator Type	PARALLEL - FUNDAMENTAL
Drive level	100 µW
frequency stability	0.005%
frequency tolerance	10 ppm
load capacitance	20 pF
Manufacturer's serial number	HC49USMD
Installation features	SURFACE MOUNT
Nominal operating frequency	7.999 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
physical size	L13.46XB11.05XH5.99 (mm)/L0.53XB0.435XH0.236 (inch)
Series resistance	40 Ω
surface mount	YES

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Quartz Crystal Resonators

STANDARD RESISTANCE WELD HC49/U SMD PACKAGE - HC49USMD Series

FEATURES

RoHS Compliant (Pb-Free), Wide Frequency Range Available

AT-cut Crystal, Excellent Aging, Extended Temperature Range

Industry Standard Package, Low Cost, Poplular Microprocessor Crystals

Formed Leads SMT with Tape & Reel Packing

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

Pullability (option)

Creating a Part Number

Product Series

Frequency

Resonance Mode: 1 = Fundamental

3 = 3rd Overtone

5 = 5th Overtone

1.8432 MHz to 200.000 MHz

1 = Fundamental (1 to 40 MHz); 3 = 3rd Overtone (20 to 100 MHz)

5 = 5th Overtone (80 to 150 MHz); 7 = 7th Overtone (110 to 200 MHz)

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

100 = ±100 ppm; 50 = ±50 ppm; 25 = ±25 ppm; 10 = ±10 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

May be specified in terms of frequency shift over a certain range of CL

HC49USMD-10M000-1 A 50 D 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)

1.800 - 1.999

2.000 - 2.399

2.400 - 2.999

3.000 - 3.199

3.200 - 3.699

3.700 - 4.199

4.200 - 5.999

OUTLINE DRAWING

Mode

Fund

Max ESR (Ohms)

750

500

250

150

120

100

Frequency (MHz)

6.000 - 7.999

8.000 - 12.499

12.500 - 15.999

16.000 - 40.000

23.000 - 100.00

80.000 - 150.00

110.00 - 200.00

Mode

Fund

3rd O/T

5th O/T

7th O/T

Max ESR (Ohms)

120

Recommended Solder Pad Layout

1.27

11.05 MAX

5.99 MAX

1.29

13.46 MAX

0.99

4.65 MAX

3.61

4.88

0.2

2.79

2.54

13.46

17.04 MAX

0.43

(x2)

All dimensions are typical unless otherwise specified

Dimensions in Millimeters

www.4timing.com

2001-2009 Fortiming Corp. USA

1.27

(x3)

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