31M327 데이터 시트보기 (PDF) - Unspecified

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31M327

STANDARD LOW FREQUENCY SMD CRYSTALS

Unspecified 

Quartz Crystal Units

31SMX

STANDARD LOW FREQUENCY SMD CRYSTALS

31SMX

Actual Size

31SMX

3.2±0.1

0.73 1.74 0.73

XY-CUT

Temperature(゜C)

0 -20 -10 0 +10 +20 +30 +40 +50 +60 +70 +80

-10

-20

-30

-40

-50

-60

-70

-80

△f/f(ppm)

TYPICAL TEMPERATURE CHARACTERISTICS

SOLDERING PATTERN

1.3

1.0

1.3

2.3

TAPE SPECIFICATIONS

4.0±0.1

L

2.0±0.1

φ1.5

+0.1

-0

STANDARD SPECIFICATIONS

Item

Part number

Package type

Nominal frequency

Symbol

P/N

F

Frequency tolerance at ＋25˚C Δf/F

Load capacitance

CL

Equivalent series resistance

Rs

Drive level

P

Turnover temperature

Tt

Temperature coefficient

β

Quality factor

Q

Shunt capacitance

Co

Motional capacitance

C1

Capacitance ratio

γ

Aging (for first year)

Δf/F

Insulation resistance

Ri

Cut

Operating temperature range

To

Storage temperature range

Ts

Shock resistance

Δf/F

Vibration resistance

Δf/F

IR reflow resistance

Δf/F

Reflow soldering condition

Specifications

31M327

31SMX

32.768 kHz

12.5 pF

9pF

7pF

B: ±20 ppm

C:±30 ppm (standard)

D:±50 ppm

31M327

31M327-9

31M327-7

50 kΩ max.

0.1μW (1.0μW max.)

＋25˚C ±5˚C

-0.035 ppm/˚C2, Typical

30000 min.

1.7 pF, Typical

0.0029 pF, Typical

580, Typical

±3 ppm max. at ＋25˚C ±3˚C

500MΩmin. at 100V DC ±15V

XY-Cut

-40˚C to ＋85˚C

-55˚C to ＋125˚C

±10 ppm max.

±5 ppm max.

±5 ppm max.

20 seconds max. at ＋230˚C

PACKAGE DATA

Package

Item

Lid

Base

Sealing

Terminal plating

31SMX

Glass

Glass

Anode

Gold

J

M

B

F

A B C D F J L M Reel Dia. Qty/Reel

3.7 1.5 12.0 5.5 4.0 1.0 0.3 1.2 180 3000pcs

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