Datasheet > VEM42T5-20.0K-2.5/-40+85

VEM42T5-20.0K-2.5/-40+85

更新时间： 2024-11-11 20:07:03

品牌	Logo	应用领域
EUROQUARTZ		机械振荡器
页数	文件大小	规格书
1页	109K
描述
HCMOS Output Clock Oscillator, 0.02MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN

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VEM42T5-20.0K-2.5/-40+85 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Contact Manufacturer	Reach Compliance Code：	compliant
风险等级：	5.48	Is Samacsys：	N
老化：	1 PPM/FIRST YEAR	最大控制电压：	2.5 V
最小控制电压：	0.5 V	最长下降时间：	10 ns
频率调整-机械：	YES	频率偏移/牵引率：	6 ppm
频率稳定性：	2.5%	安装特点：	SURFACE MOUNT
标称工作频率：	0.02 MHz	最高工作温度：	85 °C
最低工作温度：	-40 °C	振荡器类型：	HCMOS
输出负载：	15 pF	物理尺寸：	11.4mm x 9.6mm x 2.5mm
最长上升时间：	10 ns	标称供电电压：	5 V
表面贴装：	YES	最大对称度：	55/45 %
Base Number Matches：	1

VEM42T5-20.0K-2.5/-40+85 数据手册

QUARTZ

EURO

EM42T Series

TCXO

HCMOS 4 pad SMD, kHz Range

Miniature 11.4 x 9.6 x 2.5mm SMD package

Frequency range: 20.0 to 50.0kHz; 32.768kHz

Supply voltage 3.3 or 5.0 Volts

Frequency stability from ±1ppm over -30 to +75°C

EM42T - OUTLINES AND DIMENSIONS

DESCRIPTION

EM42T series TCXOs are packaged in a miniature 4 pad ceramic SMD

package. With squarewave (CMOS) output, tolerances are available

from ±1.0ppm over -30° to +75°C. The part has a 0.01mF decoupling

capacitor built in.

SPECIFICATION

Product Series Code

TCXO:

EM42T

VCTCXO:

VEM42T

Frequency Range:

Output Waveform:

32.768kHz Standard frequency

20.0kHz to 50.0kHz

Squarewave

Initial Calibration Tolerance

Models with mech. trimmer: <1.0ppm (at t. 25°±2°C)

Models without trimmer:

Operating Temperature Range:

Frequency Stability

vs. Ageing:

<2.0ppm (at t. 25°±2°C)

See table

±1.0 ppm max. first year

±0.3 ppm max. ±5% change

±0.3 ppm max. ±10% change

±1ppm max. for one reflow

(Measured after 24 hours)

+3.3 or +5.0Volts

vs. Voltage Change:

vs. Load Change:

vs. Reflow:

Supply Voltage:

(Specify when ordering)

Logic High: 90% Vdd min.

Logic Low: 10% Vdd max.

10ns max.

Output Logic Levels:

Rise and Fall Times:

Duty Cycle:

50%±5%

Start-up Time:

Current Consumption:

2ms typical, 5ms max.

See table below

FREQUENCY STABILITY

Output Load:

15pF

Storage Temperature:

-55~+125°C

VEM42T VOLTAGE CONTROL SPECIFICATION

Control Voltage:

Standard = +1.5±1.0Volts for all input

voltages. (Contact technical sales if

+2.5±2.0 Volts is required.)

FREQUENCY STABILITY

Frequency Deviation: ±6.0 ppm min.

Slope Polarity:

Positive (increase of control voltage increases

output frequency.)

10k min.

Frequency Stability (ppm)

0 ~ +50

±0.5

±1.0

±1.5

±2.0

±2.5

ASK

Input Impedance:

Modulation Bandwidth: 3.0kHz min. measured at -3dB

Linearity: 10% max.

-10 ~ +60

Temperature

-20 ~ +70

Range (°C)

-30 ~ +75

-40 ~ +85

P= available, x = not available, ASK = call Technical Sales

PART NUMBERING PROCEDURE

Example:

EM42T33-32.768k-2.5/-30+75

CURRENT CONSUMPTION

Series Description

TCXO = EM42T

VCTCXO = VEM42T

Frequency

32.768kHz

50kHz

+3.3 V

8.0mA

12mA

Supply Voltage

33 = 3.3 VDC

5 = 5.0 VDC

Frequency (kHz)

Stability over OTR (±ppm)

Operating Temperature Range (OTR) (°C)

Lower and upper limits.

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VEM42T5-20.0K-2.5/-40+85相关器件

型号	品牌	获取价格	描述	数据表
VEM42T5-32.768K-0.5/0+50	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 0.032768MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEM42T5-32.768K-1.0/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 0.032768MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEM42T5-32.768K-1.5/0+50	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 0.032768MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEM42T5-32.768K-1.5/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 0.032768MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEM42T5-32.768K-2.5/-20+70	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 0.032768MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEM42T5-32.768K-2.5/-30+75	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 0.032768MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEM42T5-32.768K-2.5-30	EUROQUARTZ	获取价格	HCMOS 4 pad SMD, kHz Range
VEM42T5-50.000K-1.0/0+50	EUROQUARTZ	获取价格	Oscillator,
VEM42T5-50.000K-1.5/-20+70	EUROQUARTZ	获取价格	Oscillator,
VEM42T5-50.000K-2.0/0+50	EUROQUARTZ	获取价格	Oscillator,

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