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Details, datasheet, quote on part number:R26
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| Part: | R26 |
| Category: | Timing Circuits => Oscillators => Crystal/Quartz Oscillators => Crystal Oscillators |
| Description: | Frequency Range = 32.768 KHZ ;; Frequency Stability = ±5 PPM to ±20 PPM ;; Dimensions Mm/inch = -0.034 PPM / C°² ;; |
| Company: | Raltron |
| Datasheet: | Download R26 datasheet File size : 39 kB |
| Request For quote: | Find where to buy R26
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Datasheet text preview:
TUNING FORK CRYSTAL UNITS
FEATURES
DESIGNED FOR TIME OF DAY CLOCKS APPLICATIONS SMALL COMPACT SIZE WITH PERFORMANCE AND ECONOMY EXCELLENT SHOCK AND ENVIRONMENTAL CHARACTERISTICS
SERIES R38, R26, AND R145 3 x 8, 2 x 6, 1 x 5 mm
SPECIFICATIONS
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 R38 32.768 kHz ±5 ±10 ±20 PPM 25°C ±5°C -0.034 PPM/C² 6 or 12.5 pF 35k OHM 1.0 µW 0.0035 pF 1.6 pF 460 ±3 PPM 90000 500 M OHM R26 32.768 kHz ±5 ±10 ±20 PPM 25°C ±5°C -0.034 PPM/C² 6 or 12.5 pF 35k OHM R145 32.768 kHz ±5 ±10 ±20 PPM 25°C ±5°C -0.034 PPM/C² 8.0 pF 40k OHM R38, R26 30.00 kHz TO 153.6 kHz ±5 ±10 ±20 PPM 25°C ±5°C -0.034 PPM/C² 6 or 12.5 pF 30k TO 50k OHM 1.0 µW .001 TO .004 pF 0.8 TO 1.7 pF 425 TO 800 ±5 PPM FREQUENCY-PACKAGE SPECIFIC 500 M OHM
1.0 µW 1.0 µW 0.003 pF 0.0025 pF 1.35 pF 1.0 pF 450 400 ±3 PPM ±3 PPM 70000 80000 500 M OHM 500 M OHM -20°C TO +60°C STANDARD 40°C TO +85°C EXTENDED -40°C TO +85°C
±5 PPM MAXIMUM 75 cm DROP TEST IN 3 AXES ONTO A HARD SURFACE O R 3000 g x 0.3 ms x ½ SINEWAVE IN 3 AXES R38-32.768-12.5 R26-32.768-12.5 R145-32.768-12.5 SEE PART NUMBERING SYSTEM
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
OUTLINE DRAWINGS
R145
1.50 MAX .059 MAX
R26
2.10 MAX .083 MAX
R38
3.10 MAX .122 MAX
6.20 MAX
8.20 MAX 10.00±1.0 .394±.039
5.10 MAX .201 MAX
4.30
.169
10.00 .394
0.2 DIA .008 DIA
0.26 DIA .010 DIA
.244 MAX
.323 MAX
0.35 DIA .014 DIA
SCALE NONE DIMENSION IN mm/INCH
0.45 .018
0.70 .028
1.10 .043
PART NUMBERING SYSTEM
SERIES R38 R26 R145 FREQUENCY IN kHz LOAD CAPACITANCE IN pF TOLERANCE ±5 PPM ±10 PPM EXTENDED TEMPERATURE EXT ( ±20 PPM ONLY)
EXAMPLES: R38-32.768-6-10PPM R26-32.768-12.5-EXT
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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