Datasheet > RSEH2

RSEH2

更新时间： 2024-09-25 03:35:51

品牌	Logo	应用领域
纬创 - RALTRON		晶体
页数	文件大小	规格书
1页	31K
描述
SURFACE MOUNT TUNING FORK CRYSTAL UNIT

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RSEH2 数据手册

SURFACE MOUNT TUNING FORK CRYSTAL UNIT

FEATURES

SERIES RSE H2

SUITABLE FOR TIME OF DAY CLOCK APPLICATIONS

LOW PROFILE 2 mm HEIGHT

EXCELLENT FOR AUTOMATIC AND HIGH DENSITY SURFACE MOUNTING

SPECIFICATIONS

NOMINAL FREQUENCY

FREQUENCYTOLERANCE

TURNOVER TEMPERATURE

TEMPERATURE COEFFICIENT

LOAD CAPACITANCE

EQUIVALENT SERIES

RESISTANCE

32.768 kHz

±20 PPMMAXIMUM(±50 PPMAND ±100 PPMAVAILABLE)

±25°C ±5 °C

(-0.035± 0.008) PPM/ °C²

∆

12.5 pF

55 kOHMS MAXIMUM

DRIVER LEVEL

1.0 µWMAXIMUM

1.5 pF MAXIMUM

±5 PPMMAXIMUM

SHUNT CAPACITANCE

AGING(FIRST YEAR)

OPERATING TEMPERATURE

RANGE

-40°C TO+85°C

STORAGE TEMPERATURE RANGE

-55°C TO +125°C

±5 PPMMAXIMUM75 cm DROP TEST IN 3 AXES ONTO AHARD

SURFACE OR 3000 g x0.3 ms x½ SINEWAVE IN 3 AXES

230°C MAXIMUMFOR 20s MAXIMUM

SHOCK RESISTANCE

SOLDER REFLOW CONDITIONS

OUTLINE DRAWING

PIN 4

PIN 3

MARKING AREA

7.3 MAX

1.2

.047

3.88

.153

1.2

.047

.287 MAX

PIN 2

PIN 1

LEAD CONNECTION

SOLDER PAD LAYOUT

Scale none Dimension in mm/inch

0.4

.016

5.08

.200

CARRIER TAPE DIMENSIONS

REFLOW SOLDERING PROFILE

REFLOW

20 s

1.5 DIA

.06 DIA

2.0 ± 0.05

4.0 ± 0.1

230 °C

.079 ± .002

2 TO 5 °C/s

.16 ± .004

200 °C

30 s

COOLING

PREHEATING

150 °C

230 s MAX

100 °C

1 TO 4 °C/s

60 s MIN

25 °C

8.0 ± 0.1

4.3 ± 0.1

CAVITY HEIGHT "H"

RSE "A AND B" = 4.0 mm/.157 in

RSE "C AND D" = 3.0 mm/.118 in

.170 ± .004

.315 ± .004

TIME (SECONDS)

PACKAGING

330mm REEL DIAMETER

16mm TAPE WIDTH, 8mm PITCH

FREQUENCY VS. TEMPERATURE CURVE

-10

TEMP

(°C)

QUANTITY: 3000 PIECES PER REEL

PART NUMBERING SYSTEM

HOLDER FREQUENCY

LOAD

CAPACITANCE

12.5 pF

TAPE AND REEL

- H2 -

-50

TYPE

RSE

IN kHz

EXAMPLE: RSE-32.768-12.5-H2-TR

∆ f/fo (ppm)

Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.

Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com

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