SM25DH-10-FREQ2 [PLETRONICS]

Parallel - Fundamental Quartz Crystal, 5MHz Min, 7.999MHz Max, SURFACE MOUNT PACKAGE-2;


型号：	SM25DH-10-FREQ2
厂家：	PLETRONICS, INC.
描述：	Parallel - Fundamental Quartz Crystal, 5MHz Min, 7.999MHz Max, SURFACE MOUNT PACKAGE-2 驱动晶体谐振器
文件：	总1页 (文件大小：64K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Pl tronics, Inc.

19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA

Manufacturer of High Quality Frequency Control Products

SM42, SM30, SM25 Crystal

HC-49/US Low Profile Crystal Mounted on Surface Mount Platform (HC-49/SMD)

Available in 3 heights, SM42: 4.6mm, SM30: 3.5mm, SM25: 2.7mm

–

3.000 MHz 70.000 MHz

Standard Specifications

± 30 PPM is standard, tighter tolerances available

Calibration Frequency Tolerance at 25 C

Operating Temperature Range (OTR)

Frequency Stability (FS) over OTR

Drive Level

Aging at 25°C

Shunt Capacitance

0 to +70°C is standard, but can be extended to -40 to +85°C

± 50 PPM is standard, tighter tolerances available

50 μW is standard, customer may specify

± 5 PPM per year is standard, customer may specify ± 1 PPM

7 pF maximum

Pullability

May be specified by customer in terms of frequency shift required over a certain range of load capacitance

(e.g. +100 PPM from CL=12 to CL=18 pF) or as motional capacitance ( fF )

Part Numbering Guide

ESR Values

Portions of the part number that appear after the frequency may not

be marked on part (C of C provided)

Oscillation

Mode

Frequency Range

(MHz)

Maximum

ESR (Ohms)

SM42 B E - xx - 70.0M - XXX (Internal Code or blank)

–

Fundamental

AT Cut

200

150

120

100

3.000

4.000

5.000

6.000

7.000

3.999

4.999

5.999

6.999

7.999

–

Model

Frequency in MHz

Load Capacitance

SM42: 4.6 mm

SM30: 3.5mm

SM25: 2.7mm

Parallel Resonance in pF (3 10 pF)

8.000 12.999

SR = Series Resonance

–

13.000 30.000

Cal Tol / Freq Stability

Blank = 30/50

3rd Overtone

AT Cut

–

100

25.000

70.000

Temperature Range

B = 30/30

C = 15/30

Blank: 0 to +70°C

E: - 40 to +85°C

H: - 20 to +70°C

D = 10/20 (consult factory)

Consult factory for lower ESR

Consult factory for available frequencies and specs.

Not all options available for all frequencies. A special part number may be assigned.

Solder Pads

Mechanical: inches (mm)

not to scale

Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code.

.406 (10.3) MAX

SM42: .181 (4.6) MAX

SM30: .138 (3.5) MAX

SM25: .106 (2.7) MAX

Packaging

24mm tape

16mm pitch

.508 (12.9) MAX

.453 (11.5) MAX

.181 (4.6)

.06 (1.5)

.185 (4.7) MAX

.189 (4.8)

Feb 2006

Pl tronics, Inc. (425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com