RoHS Compliance
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04DA3-345
TM-5289
2014/5/15
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SPECIFICATIONS
Messrs.
Approved by
Product
Type of Holder
Nominal Frequency
Customer's Parts Number
Our Parts Number
CRYSTAL UNIT
CFS-206
32.768 kHz
CFS-20632768EZFB
Sales
Manufacturer
CITIZEN FINETECH MIYOTA Co.,LTD. Crystal Devices Department.
4107-5,MIYOTA,MIYOTA-MACHI,KITASAKU-GUN,NAGANO,389-0295,JAPAN
TEL
：
+81-267-31-1111
FAX
：
+81-267-31-1129
Revision History
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Revision number
1 st
Date
2014/5/15
Page
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TM-5289
2014/5/15
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Prepared
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TM-5289
2014/5/15
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1． Scope
．
This document contains specifications for the crystal unit to be supplied by
CITIZEN FINETECH MIYOTA Co.,LTD.
1.1 If something defined ambiguously or undefined in document happened,
the customer and CITIZEN FINETECH MIYOTA would discuss and take necessary steps
by mutual consent.
1.2 Product test data can't be attached to this document.
The contents except Electrical Specifications in specifiations are subject the change without notice.
1.3 This product is not authorized for use as a critical component in life support devices
or systems.
2． Electrical Specifications
．
2.1 Nominal Frequency
2.2 Operating Temperature Range
2.3 Storage Temperature Range
2.4 Frequency Tolerance
2.5 Frequency Tolerance over
Operating Temperature Range
2.6 Equivalent Series Resistance
2.7 Insulation Resistance
2.8 Shunt Capacitance
32.768 kHz
-20½+70℃
-40½+85℃
±10ppm Max. at 25℃
Turnover Temp.；25±5℃
Temp.Coefficient：-0.034±0.006ppm／℃
2
35kΩ Max.at 25℃
500MΩ Min./DC100V±15V
1.20pF Typ.
3． Test Conditions
．
12.5pF
This Load Capacitance has been fixed on customer's
request.
3.2 Level of Drive
3.1 Load Capacitance
1µW Max.
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4. Mechanical and Environmental Tests
Test Name
Test Conditions
Criteria
№
1.Mechanical Tests
Drop 3 times from the height of 75
㎝
onto hard wooden board with thickness of 3
㎝.
1-1 Shock
A
1-2 Vibration
Vibration Frequency : 10
½
500 Hz, 1.5mm, full wave, or acceleration 10G,
Cycle : 1.5 minutes, Direction : X.Y.Z.
A
Time : 2 hours in each direction, for 6 hours in total.
1-3 Lead Pull
Weight : 1.0kg , Time : 30±5 seconds.
A
・
C
1-4 Bending
Weight : 0.5kg , Bending Angle : 90 degrees, Bending Count : 2 times. (See Fig.1)
A
・
C
strength
1-5 Solderability
After applying RMA flux, dip in solder. Dipping Time : 5±0.5seconds.
Soldering Temperature : 230±5
℃
.
D
Dipping Depth : 2 mm from the edge of terminals of samples.
1-6 Resistance to
Dip in solder. Dipping Time : 10±0.5 seconds.
Soldering Heat Soldering Temperature : 260±5
℃
.
B
Dipping Depth : 2mm from the edge of lead-wires of samples
1-7
Sealing Tightness
Leak rate shall be measured by using Helium Leak Detector.
E
２．
Environmental Tests
2-1 Storage In
Expose the sample in an inoperative mode to 240 hours at -40
℃
.
A
Low Temperature
2-2 Storage In
High Temperature
Expose the sample in an inoperative mode to 240 hours at +85
℃
.
B
B
A
2-3 Humidity
Expose the sample in an inoperative mode to 240 hours at +65
℃
, and 95%RH.
2-4 Thermal Shock Subject the sample to 5 temperature variation cycles at -40
℃
for 30 minutes and
+100
℃
for the next 30 minutes in each cycle.
Criteria
Criteria
№
A
B
C
D
E
Criteria
Any variation between the pre- and post-test frequencies shall remain within
±5ppm. The equivalent series resistance shall remain within its specified
tolerance range after the post-test.
Any variation between the pre- and post-test frequencies shall remain within
±10ppm. The equivalent series resistance shall remain within its specified
tolerance range,after the post-test.
After each test, no visible damage, nor the hermetic seal break down.
At least 90% of each dipped area shall be covered by fresh solder.
1×10
µ
Pa
・
m /s Max.
-2
3
Tool
Load
0.5R
1.5mm
Ｆig.1
※
Measurements should be taken place at 25±2
℃
after each test, the samples shall be left at 25
℃
for
one to two hours.
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5． Dimensions
．
（unit:mm）
φ1.9±0.1
0.7±0.2
6±0.2
6.1±0.2
6． Marking Standards
．
22： Manufacture's ID Code
Y： The last digit of production year.
M： Production month.(See Table 1)
Table 1
Month 月
Code 記号
１
１
２ …
２ …
９ １０ １１ １２
9 Ｘ Ｙ Ｚ
****： Ｌ½½ no.
φ0.26±0.05
PCB设计
