Datasheet > NTF

NTF

更新时间： 2022-01-19 07:28:00

品牌	Logo	应用领域
其他 - ETC		晶体
页数	文件大小	规格书
2页	264K
描述
Crystals \| Tuning Fork Crystals

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NTF 数据手册

Tuning Fork Quartz Crystals

32.768 kHz Tubular Crystal

NTF3238 / NTF3226 Series

Technical Data

Electrical Speciﬁcations

NTF3238

NTF3226

Nominal Frequency at 25°C

Frequency Tolerance

32.768 kHz

±20 ppm

Turnover Temperature

T_O

25°C ±5°C

Temperature Characteristic

-0.038ppm/°C²Typical

Frequency deviation at temperature T

( ∆ f/f = K(T₀– T )²

Quality Factor

Load Capacitance

Series Resistance

Motional Capacitance

Shunt Capacitance

Drive Level

C_L

100,000 typ

90,000 typ

12 to 13pF

40KΩ max

0.0027pF typ

1.5pF typ

12 to 13pF

30KΩ max

0.0035pF typ

1.7pF typ

ACTUAL SIZE

R_S

Description

C₁

The NTF tuning fork type quartz crystal

provides the circuit designer with the ulti-

mate in size, performance, and economic

trade-offs. This highly reliable, stable, and

accurate device is available in two micro-

miniature sizes for real-time or low power

applications operating from a 32.768 kHz

reference frequency.

C₀

1µW max

Aging

∆ F/f

First 30 Days: 3.0ppm

First Year: 5.0ppm

Operating Temperature Range

Storage Temperature Range

-10 to +60°C

-30 to +70°C

Applications & Features

Mechanical

• Very small, compact packaging

• Rugged, resistant to shock and vibration

• Excellent resistance to heat shock and

environmental conditions

Shock:

Solderability:

Terminal Strength:

MIL-STD-883, Method 2002, Condition B

MIL-STD-883, Method 2003

MIL-STD-202, Method 211, Conditions A and C

MIL-STD-883, Method 2007, Condition A

MIL-STD-202, Method 215

Vibration:

Solvent Resistance:

Resistance to Soldering Heat:

• Ideal for real-time clocks

MIL-STD-202, Method 210, Condition B

Environmental

Gross Leak Test:

Fine Leak Test:

Thermal Shock:

MIL-STD-883, Method 1014, Condition C

MIL-STD-883, Method 1014, Condition A2

MIL-STD-883, Method 1011, Condition A

MIL-STD-883, Method 1004

Moisture Resistance:

All speciﬁcations are subject to change without notice.

DS-118 REV E

www.saronix.com

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