R26-32.768- 12.5 RALTRON, R26-32.768- 12.5 Datasheet

R26-32.768- 12.5

Manufacturer Part Number

R26-32.768- 12.5

Description

CRYSTAL 32.768MHZ 12.5PF THRU HOLE

Manufacturer

RALTRON

Series

R26r

Datasheet

1.R26-32.768-_12.5.pdf (1 pages)

Specifications of R26-32.768- 12.5

Operating Temperature Range

-20Â°C To +60Â°C

Crystal Mounting Type

Through Hole

Crystal Case Type

Cylinder

Frequency

32.768MHz

Frequency Tolerance

-0.034ppm

Load Capacitance

12.5pF

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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† COMMON FREQUENCIES ARE: 31.250 kHz, 31.500 kHz, 40.00 kHz, AND 76.800 kHz

†† FREQUENCY DEVIATION AT T IS GIVEN AS: ∆ f/f = K(To - T)², WHERE K IS PARABOLIC CURVATURE CONSTANT

††† OTHER LOAD CAPACITANCES ARE AVAILABLE

EXAMPLES:

R38-32.768-6-10PPM

R26-32.768-12.5-EXT

HOLDER TYPE

NOMINAL FREQUENCY

FREQUENCY TOLERANCE

TURNOVER TEMPERATURE

PARABOLIC CURVATURE

CONSTANT (TYP) ††

LOAD CAPACITANCE †††

EQUIVALENT SERIES

RESISTANCE (MAX)

DRIVE LEVEL (TYP)

MOTIONAL CAPACITANCE (TYP)

SHUNT CAPACITANCE (TYP)

CAPACITANCE RATIO (TYP)

AGING (FIRST YEAR MAX)

QUALITY FACTOR (TYP)

INSULATION RESISTANCE (MIN)

OPERATING TEMPERATURE

RANGE

STORAGE TEMPERATURE

RANGE

SHOCK RESISTANCE

STANDARD PART NUMBER

SERIES

R38

R26

R145

FEATURES

SPECIFICATIONS

PART NUMBERING SYSTEM

OUTLINE DRAWINGS

DESIGNED FOR TIME OF DAY CLOCKS APPLICATIONS

SMALL COMPACT SIZE WITH PERFORMANCE AND ECONOMY

EXCELLENT SHOCK AND ENVIRONMENTAL CHARACTERISTICS

Fax: 305-593-8487 e-mail: sales@ramitechnology.com web: www.ramitechnology.com

RAMI TECHNOLOGY 10651 NW 19th St. Miami, Florida 33172 U.S.A. Tel: 305-593-8000

FREQUENCY

IN kHz

.008 DIA

0.2 DIA

1.50 M AX

.059 M AX

.018

0.45

CAPACITANCE

LOAD

IN pF

R26

±5 ±10 ±20 PPM

R38-32.768-12.5

-0.034 PPM/C²

6 or 12.5 pF

500 M OHM

32.768 kHz

25°C ±5°C

0.0035 pF

35k OHM

±3 PPM

1.0 µW

1.6 pF

90000

R38

460

TOLERANCE

±10 PPM

±5 PPM MAXIMUM 75 cm DROP TEST IN 3 AXES ONTO A HARD SURFACE

±5 PPM

.083 MAX

2.10 MAX

.010 DIA

0.26 DIA

0.70

.028

±5 ±10 ±20 PPM

R26-32.768-12.5

-0.034 PPM/C²

6 or 12.5 pF

500 M OHM

32.768 kHz

25°C ±5°C

( ±20 PPM ONLY)

0.003 pF

35k OHM

OR 3000 g x 0.3 ms x ½ SINEWAVE IN 3 AXES

TEMPERATURE

±3 PPM

1.35 pF

1.0 µW

70000

EXTENDED

R26

450

R38

EXT

-20°C TO +60°C STANDARD

-40°C TO +85°C EXTENDED

-40°C TO +85°C

±5 ±10 ±20 PPM

R145-32.768-12.5

-0.034 PPM/C²

500 M OHM

32.768 kHz

25°C ±5°C

0.0025 pF

40k OHM

.014 DIA

±3 PPM

0.35 DIA

1.0 µW

3.10 MAX

.122 MAX

8.0 pF

1.10

.043

1.0 pF

80000

R145

TUNING FORK CRYSTAL UNITS

400

SERIES R38, R26, AND R145

3 x 8, 2 x 6, 1 x 5 mm

SCALE NONE DIMENSION IN mm/INCH

FREQUENCY-PACKAGE SPECIFIC

SEE PART NUMBERING SYSTEM

30.00 kHz TO 153.6 kHz †

±5 ±10 ±20 PPM

30k TO 50k OHM

.001 TO .004 pF

-0.034 PPM/C²

0.8 TO 1.7 pF

6 or 12.5 pF

425 TO 800

500 M OHM

25°C ±5°C

R38, R26

±5 PPM

1.0 µW

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