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參數(shù)資料
| 型號： | SM15S-32.768K |
| 廠商： | PLETRONICS INC |
| 元件分類： | Quartz Crystal |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 0.032768 MHz |
| 封裝： | PLASTIC PACKAGE-4 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大小： | 44K |
| 代理商： | SM15S-32.768K |
SM Watch Crystals
4 Lead Surface Mount Plastic Tuning Fork Watch Crystals
SM13S: 7x1.5x1.4mm, SM15S: 6.8x3.1x1.56mm, SM20S: 8x3.8x2.5mm
32.768 kHz
Standard Specifications
Calibration Frequency Tolerance
± 20 PPM at 25°C std,
SM20SD = ± 10 PPM
Operating Temperature Range (OTR)
°
-40 to +85 C
°
Frequency Stability over OTR
Calculate as: Frequency shift from 25°C to T°C in PPM
= - 0.038 x (T - 25) ± 10%
Load Capacitance
12.5 pF std, 6 pF avail. SM20S only
Equivalent Series Resistance (ESR)
SM20S: 50 k ohm maximum,
SM13S & SM15S: 65 k ohm maximum
Drive Level
1 W maximum
Aging at 25 C for the 1st year
± 5 PPM maximum
Shunt Capacitance
1.0 pF to 1.45 pF typical
Part Numbering Guide
Model
Frequency in kHz
SM20S - 32.768K - 6pF - XXX (Internal Code or blank)
Consult factory for available specifications.
A special part number may be assigned.
Mar 2004
2
m
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
39
Pl tronics, Inc.
Mechanical: inches (mm)
not to scale
Solder Pads
Blank = 12.5pF
SM20S
SM15S
SM13S
SM20S
Do NOT connect to N.C.
.05 (1.2)
.154 (3.9)
.200 (5.08)
.061 (1.56)
MAX
4
.268 (6.81) MAX
.122
(3.1)
MAX
3
1
2
1
2
4
3
SM15S
Load Capacitance
SM20S
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.
.05 (1.3)
.08 (1.9)
.05 (1.2)
.200 (5.08)
.055 (1.4)
MAX
4
.276 (7.0) MAX
.059
(1.5)
MAX
3
1
2
1
2
4
3
SM13S
N.C.
.01 (0.3)
.02 (0.6)
1
SM15S
SM13S
1
Packaging
16mm tape
8mm pitch
Pl tronics, Inc.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
.
.05 (1.3)
.165 (4.2)
1
2
4
3
GND
.217 (5.5)
.098 (2.5)
MAX
4
.315 (8.0) MAX
.150
(3.8)
MAX
3
1
2
N.C.
.04 (1.0)
.06 (1.5)
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