DATE : 2009/02/10
ITEM :
CRYSTAL RESONATORS
DT-38
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TYPE :
NOMINAL FREQUENCY :
SPEC No. :
32.768kHz
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1TC125AFNS027
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Please acknowledge receipt of this specificaiton
by signing and returning a copy to us.
RECEIPT
DATE
RECEIVED
(signature)
(name)
General Manufacture of Quartz Devices
1389 Shinzaike, Hiraoka-cho, Kakogawa, Hyogo
675-0194 Japan
Phone (81)79-425-3141 Fax (81)79-425-1134
http://www.kds.info/index_en.htm
C.ENG.
ENG.
1. Electrical characteristics (measured at +25±2°C)
(1) Nominal frequency
(2) Frequency tolerance
(3) Loading capacitance
(4) Equivalent resistance
(5) Measurement drive level
(6) Turnover temperature
(7) Parabolic curvature constant
32.768 kHz
± 5 × 10
-6
max.
12.5 pF
30 kΩ max. / series
1.0 ± 0.2 µW
25 ± 5°C
- 4.0 × 10
-8
/ °C
2
max.
Lead to lead
500 MΩ min. at D.C. 100V
Lead to case
- 10 ~ + 60 °C
- 20 ~ + 70 °C
± 5 × 10
-6
max. / year
(8) Insulation resistance
(9) Operating temperature range
(10) Storage temperature range
(11) Aging
Manufacturing location
Tianjin
Spec No.
1TC125AFNS044
2. Construction
(1) Holder
(2) Dimensions and marking
DT-38
Refer to Fig-1 and Fig-2.
3. Other specifications
Use of Freon
This related product is not used with any ODC CLASS 1.
TITLE
DT-38 TYPE QUARTZ CRYSTAL SPECIFICATION
Date
2009/02/09
Remark
Spec. No.
1TC125AFNS027
Rev.
Page
DAISHINKU CORP.
1/7
DM-Z0002:style-010
4. Dimensions
H
K
A
Marking
C
L
A
dia.3.1 max.
C
8.3 max.
H
1.1 ± 0.2
Fig-1
K
dia.0.35±0.07
L
10.0±1.0
(Unit: mm)
5. Marking
The manufacturer's code and manufacturing date should be marked on the surface of the holder as
the following diagram shows.
*Marking direction is not specified.
KDS
Year
Month
(*) Year : The last digit of the manufactured year
Ex) 2009 shall be marked as "9"
Month : As shown in the table
Ex) Feb. shall be marked as "B"
Month
Symbol
Jan.
A
Feb.
B
Mar.
C
Apr.
D
May.
E
Jun.
F
Fig-2
Jul.
G
Aug.
H
Sep.
J
Oct.
K
Nov.
L
Dec.
M
TITLE
DT-38 TYPE QUARTZ CRYSTAL SPECIFICATION
Date
2009/02/09
Remark
Spec. No.
1TC125AFNS027
Rev.
Page
DAISHINKU CORP.
2/7
DM-Z0002:style-010
6. Mechanical endurance
Item
Standard
(1) Vibration
(2) Cycle
(3) G force
(4) Time
Condition
30 ~ 120Hz
2 min
3G
20 min
X,Y,Z Each direction.
Vibration
resistance
f
0
: ±3×10
-6
max.
Shock
resistance
Hermetical
sealing
Terminal
strength
f
0
: ±3×10
-6
max.
Free drops from 75cm high onto a wooden board
(3 cm thickness) Repeat 3 times.
Measure 5 min after the test.
Soldering heat
resistance
Solder ability
1×10
-9
Pa-m
3
/s
Testing by Helium leak detector.
max.
Bending terminals at +90°, at –90°,
at +90°, and finally unbending at 0° 1mm from the
No visual
bottom of case.
damage
One bend is counted as one time, it can be endured up
to three times.
Dipping terminals to 1mm from the bottom of product
f
0
: ±3×10
-6
into the solder pot at +245±5°C for 3s.
max.
Measuring 1h after the test at +25°C.
Terminals solder ability is at a bath temperature of
90% min.
+245±5°C for 3s. (with flux)
7. Environmental endurance
Item
Standard
Condition
+70°C × 24h
Measuring 2h after the test at +25°C.
-30°C × 24h
Measuring 2h after the test at +25°C.
+40°C × 24h in 90 % relative humidity.
Measuring 2h after the test at +25°C.
High temperature f
0
: ±3×10
-6
storage
max.
-6
Low temperature f
0
: ±3×10
storage
max.
-6
Moisture
f
0
: ±3×10
storage
max.
TITLE
DT-38 TYPE QUARTZ CRYSTAL SPECIFICATION
Date
2009/02/09
Remark
Spec. No.
1TC125AFNS027
Rev.
Page
DAISHINKU CORP.
3/7
DM-Z0002:style-010
8. Packing
8.1. Inner box
A green dot is marked on the shipping label.
Product Slip
TYPE
SPEC
No.
PARTS
No.
Lot No.
FREQ.
Q'TY
Holder
Spec No.
User part No.
Lot No.
Frequency
Quantity
R
KDS
MADE IN
Country of origin
60
160
120
1000 units per plastic bag. 5 plastic bags in an inner box. A product slip is
attached on the inner box. (As for odd unit, shall be packed in a plastic bag.)
8.2. Outer box
Crystal units shall be packed in inner box
by production lot. Outer carton size would
be changed depending on lot size.
The description label shall be put on outer
carton.
Description label
TITLE
DT-38 TYPE QUARTZ CRYSTAL SPECIFICATION
Date
2009/02/09
Remark
Spec. No.
1TC125AFNS027
Rev.
Page
DAISHINKU CORP.
4/7
DM-Z0002:style-010
