Datasheet > FREQ349USMXL25/30/30/-10+60/SR/AT3

FREQ349USMXL25/30/30/-10+60/SR/AT3

更新时间： 2024-11-13 08:36:19

品牌	Logo	应用领域
EUROQUARTZ		/
页数	文件大小	规格书
1页	102K
描述
Series - 3Rd Overtone Quartz Crystal, 50.1MHz Min, 70MHz Max, ROHS COMPLIANT, HERMETIC SEALED, RESISTANCE WELDED, SMD, 2 PIN

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FREQ349USMXL25/30/30/-10+60/SR/AT3 数据手册

QUARTZ

EURO

49USMX CRYSTALS

3.2MHz to 70.0MHz

49SMD Standard and Low Profile

FEATURES

Low cost crystal for mass market applications

Surface mount version of HC49-4H crystal

Comprehensie stockholding of standard frequencies

Customized parts readily available

Industry-standard package

Low-profile versions available

OUTLINE & DIMENSIONS

DESCRIPTION

49USMX crystals are low profile surface mount crystals with the same

footprint as standard HC49 and HC49-4H crystals. 49USMX crystals

are ideal for use in low cost, mass-market applications but are also

able to be produced to close tolerances when required.

SPECIFICATION

Frequency Range:

3.2MHz to 70MHz

Calibration Tolerance:

±30ppm at 25°C standard

±10ppm available

Frequency Stability over Temp:

from ±10ppm over -10° ~ +60°

from ±15ppm over -40° ~ +85°C

-50° ~ +105°C

4pf typical, 7pF maximum

Series or from 8pF to 32pF

(Customer specified)

Storage Temperature Range:

Shunt Capacitance (C0):

Load Capacitance (CL):

Ageing:

±3ppm maximum

(Ta = 25°C, drive 100mW)

100mW typical, 500mW maximum

260°C, 10s maximum

Hermetic seal, resistance weld

EIA 24mm tape and reel

1000 pieces per reel

Drive Level:

Reflow Soldering:

Holder:

Packaging:

RoHS Status:

RoHS Compliant

EQUIVALENT SERIES RESISTANCE

PART NUMBER GENERATION

12.000MHz 49USMX/30/50/-20+70/18pF/ATF

Frequency

Range MHz

Crystal Cut/

Mode

ESR

Ω Max.

Example:

Nominal Frequency

3.2 ~ 3.4

3.5 ~ 6.0

6.1 ~ 10.0

10.1~30.0

24.0~48.0

27.0 ~ 30.0 AT-3rd OT

30.1 ~ 50.0 AT-3rd OT

50.1 ~ 70.0 AT-3rd OT

AT-Fund.

BT-Fund.

300

120

150

100

Package (height variants):

49USMX (4.2mm)

49USMXL (3.2mm)

49USMXL25 (2.5mm)

Calibration tolerance

at 25°C (±ppm)

Temperature Stability

over temp. range (±ppm)

Operating Temp. Range (°C)

(Lower and upper limits)

Load Capacitance

(Either SR for series or CL in pF)

Crystal Mode

ATF = AT-cut Fundamental

BTF = BT-cut Fundmental

AT3 = AT-cut 3rd Overtone

EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk

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与FREQ349USMXL25/30/30/-10+60/SR/AT3相关器件

型号	品牌	获取价格	描述	数据表
FREQ349USMXL25/30/30/-10+60/SR/ATF	EUROQUARTZ	获取价格	Series - Fundamental Quartz Crystal, 4.1MHz Min, 4.9MHz Max, ROHS COMPLIANT, HERMETIC SEAL
FREQ386SMX/50/50/-10+60/32PF/ATF	EUROQUARTZ	获取价格	Parallel - Fundamental Quartz Crystal, 5MHz Min, 5.99MHz Max, ROHS COMPLIANT, PLASTIC, SMD
FREQ386SMX50/50/-10/8PF/ATF	EUROQUARTZ	获取价格	Parallel - Fundamental Quartz Crystal, 5MHz Min, 5.99MHz Max,
FREQ386SMX50/50/-10/SR/ATF	EUROQUARTZ	获取价格	Series - Fundamental Quartz Crystal, 5MHz Min, 5.99MHz Max,
FREQ390SMX50/50/20/35PF/ATF	EUROQUARTZ	获取价格	Parallel - Fundamental Quartz Crystal, 24MHz Min, 40MHz Max,
FREQ390SMX50/50/20/SR/ATF	EUROQUARTZ	获取价格	Series - Fundamental Quartz Crystal, 24MHz Min, 40MHz Max,
FREQ392SMX/10/10/0+50/10PF	EUROQUARTZ	获取价格	Parallel - Fundamental Quartz Crystal, 6MHz Min, 9.99MHz Max, ROHS COMPLIANT, HERMETIC SEA
FREQ392SMX/10/10/0+50/18PF	EUROQUARTZ	获取价格	Parallel - Fundamental Quartz Crystal, 6MHz Min, 9.99MHz Max, ROHS COMPLIANT, HERMETIC SEA
FREQ392SMX/10/10/0+50/32PF	EUROQUARTZ	获取价格	Parallel - Fundamental Quartz Crystal, 6MHz Min, 9.99MHz Max, ROHS COMPLIANT, HERMETIC SEA
FREQ392SMX/10/10/0+60/10PF	EUROQUARTZ	获取价格	Parallel - Fundamental Quartz Crystal, 6MHz Min, 9.99MHz Max, ROHS COMPLIANT, HERMETIC SEA

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