TXC CORPORATION
4F, NO. 16, Sec. 2 Chung Yang S Rd., Peitou, Taipei, Taiwan.
TEL : 886-2-2894-1202 , 886-2-2895-2201 FAX : 886-2-2894-1206 , 886-2-2895-6207
www.txccorp.com
SPECIFICATION FOR APPROVAL
CUSTOMER
:
PRODUCT TYPE
:
SMD TCXO 2.5 * 2.0
NOMINAL FREQ.
:
26 MHz
TXC P/N
:
7L26072002
REVISION
:
S1
CUSTOMER P/N
:
PM / SALES
:
DATE
:
CUSTOMER SIGNATURE & DATE
:
(1) TXC requires one copy returned with signature and title of authorized individual that signifies
acceptance of the attached specifications.
(2) Orders received and accepted by TXC after return of signed copy of specification will be
produced per these specifications.
(3) Any changes to these specifications must be agreed upon by both parties and new revision of the
Product Specification Sheet will be issued.
(4) Any issuance of purchase order prior to consigning back the Approval page of "Specification
Sheets" from customers will be regarded as the agreement on the contents of these
specifications.
Attachment(s):
V 1. Product Specification Sheet
2. Testing Report(Electrical & Temperature)
3. Reliability Report
RoHS Compliant
FMT-DOC024
Issue date: 12.15 '08 VER.E
TXC CORPORATION
4F, NO. 16, Sec. 2 Chung Yang S Rd., Peitou, Taipei, Taiwan.
TEL : 886-2-2894-1202 , 886-2-2895-2201 FAX : 886-2-2894-1206 , 886-2-2895-6207
www.txccorp.com
PRODUCT SPECIFICATION SHEET
CUSTOMER
:
PRODUCT TYPE
:
SMD TCXO 2.5 * 2.0
NOMINAL FREQ.
:
26 MHz
TXC P/N
:
7L26072002
REVISION
:
S1
PE/RD
QA
MFG
2012/11/20
NOTE:
(1) Lead Free Products are " Directive 2002 / 95 / EC of The European Parliament of 27
January 2003 on the restriction of the use of certain hazardous substances (RoHS) in
electrical and electronic equipment" Compliant (Attachment: SGS Test Report).
(2) Revision "Sx" is for engineering samples only. PE/RD's approval required.
(3) Revision "Ax" is production ready. PE, QA and MFG's approval required.
RoHS Compliant
FMT-DOC024
Issue date: 12.15 '08 VER.E
PAGE : 1 / 8
TXC CORPORATION
PRODUCT TYPE :
SMD TCXO 2.5 * 2.0
Rev
Revise page
S1
N/A
FMT-DOC024
Revise contents
Initial released
P/N : 7L26072002
REVISION : S1
Date
Ref.No.
Reviser
2012/11/20
N/A
Su-Chen Chiang
Issue date: 12.15 '08 VER.E
PAGE : 2 / 8
TXC CORPORATION
PRODUCT TYPE :
SMD TCXO 2.5 * 2.0
P/N : 7L26072002
REVISION : S1
■ ELECTRICAL SPECIFICATIONS
Condition
Item Parameters
1
Nominal Frequency
2
Operating Temperature Range
3
Supply Voltage
4
Current Drain
5
Output Level(Vp-p)
6
Output Type
7
8
9
10
11
12
13
V
1.5
mA
V
0.8
Resistance
9
10
11
kΩ
Capacitance
9
10
11
pF
3
vs. Load
± 10% output load
±0.2
ppm
vs. Supply Voltage
Vcc: 1.8 V ±0.1 V
±0.2
ppm
Vcont = 1.5 V
+9
+15
ppm
Vcont = 0.3 V
-15
-9
ppm
kΩ
500
-40
vs. Frequency
Within ± 1 ppm
vs. Output Level
To 90% of Vp-p
45
50
±20
%
+85
℃
2.0
ms
2.0
ms
55
%
±1.0
ppm/year
-5
dBc
23
@ 1 kHz offset
-130
dBc/Hz
24
@ 10 kHz offset
-140
dBc/Hz
@ 100 kHz offset
-150
dBc/Hz
-152
dBc/Hz
25
Phase Noise
26
1
Temp: -30 ~ +85 ℃
AFC Linearity
Harmonics
1.90
vs. Temperature
Storage Temperature
22
1.80
2
17
Aging
℃
ppm
16
21
+85
ppm
Input Impedance for AFC pin
Duty Cycle
MHz
-30
1.70
Note
±2.5
15
20
26.000000
UNITS
±1.5
Auto-Frequency-Control(AFC)
Range (Ref : Vcon=0.9 V)
19
MAX
After 2 times reflow
Frequency Tolerance
Start-up Time
TYP
Clipped Sinewave
14
18
MIN
With standard output load
Output Load
Frequency
Stability
Electrical Specifications
@ 1 MHz offset
Note 1 Decoupling capacitor is required in external circuit
Note 2 Refer to nominal frequency
Note 3 Refer to frequency at 25±2℃
FMT-DOC024
Issue date: 12.15 '08 VER.E
PAGE : 3 / 8
TXC CORPORATION
PRODUCT TYPE :
SMD TCXO 2.5 * 2.0
P/N : 7L26072002
REVISION : S1
■ TESTING CIRCUIT
External Components
VCC
Output
VCC
C1
10 nF
OUT
TCXO
AFC
AFC
C2
1000 pF
RL
CL
Name
Function
C1
AC Noise Bypass for VCC
C2
DC Block for Output
GND
RL
Load Resistance
CL
Load Capacitance
Note: Bypass capacitor (C1) and DC blocking capacitor (C2) should be placed.
■ DIMENSIONS
Pin Connection
2.50 ± 0.15
2.00 ± 0.15
Pin 4
Name
Function
Pin 1
AFC
Pin 2
GND
Pin 3
OUTPUT
Pin 4
VCC
Pin 3
Top View
Pin 1
Pin 2
Pin 1
Pin 4
Pin 3
Pin 1
Pin 2
0.825
0.8 Max.
Recommended Land Pattern
0.825
0.70
0.650
Pin 2
0.70
0.60
Bottom View
0.50
Pin 3
Pin 4
0.35
FMT-DOC024
1.80
1.80
0.50
Unit: mm
0.35
Issue date: 12.15 '08 VER.E
PAGE : 4 / 8
TXC CORPORATION
PRODUCT TYPE :
SMD TCXO 2.5 * 2.0
P/N : 7L26072002
REVISION : S1
■ SUGGESTED REFLOW PROFILE
Note : Total Time: 200 sec. Max., Solder Melting Point: 220°C
■ MARKING
TCXO Date Code
TCXO Lot Code
T XXX
Company Name
■
*
Frequency Divider Index (optional)
XXXXX
X'tal Lot Code
Pin1 Index
X'tal Date Code
X'tal Frequency Code, ex:38.4 MHz=38
DATE CODE
MONTH
YEAR
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
2005
2009
2013
2017
A
B
C
D
E
F
G
H
J
K
L
M
2006
2010
2014
2018
N
P
Q
R
S
T
U
V
W
X
Y
Z
2007
2011
2015
2019
a
b
c
d
e
f
g
h
j
k
l
m
2008 2012 2016 2020
n
q
p
* This date code will be cycled every four years.
r
s
t
u
v
w
x
y
z
Note: If TCXO frequency is X'tal frequency divided by 2, then frequency divider index appears.
If TCXO frequency is the same as X'tal frequency, then no frequency divider index appears.
FMT-DOC024
Issue date: 12.15 '08 VER.E
PAGE : 5 / 8
TXC CORPORATION
PRODUCT TYPE :
SMD TCXO 2.5 * 2.0
P/N : 7L26072002
REVISION : S1
■ PACKING : (EIA-481-2)
G1.5
B
E
H
1.75
4.0
F
INDEX MARK
A
C
Trailer
D
Feeding
Empty Sealed
Parts
Leader
160mm(Min)
160mm(Min)
230mm(Min)
User direction of feed
W
W1
2.0
L
L1
Unit: mm
A
DIMENSIONS
(mm)
1.15
B
C
D
E
F
G
H
L
L1
W
W1
2.70
2.25
4.00
8.00
4.00
1.55
1.75
178
13.0
11.6
8.4
Standard Reel Quantity
is 3,000 pcs per reel
■ WEIGHT
0.0135 g / piece(TYP), 40 ± 2 g /3 kpcs( regardless of tape weight )
FMT-DOC024
Issue date: 12.15 '08 VER.E
PAGE : 6 / 8
TXC CORPORATION
PRODUCT TYPE :
SMD TCXO 2.5 * 2.0
P/N : 7L26072002
REVISION : S1
■ STRUCTURE ILLUSTRATION
Crystal Enclosure Seal: Seam Welding
6
4
1
2
5
7
3
8
9
No.
COMPONENTS
1 Cap
2 Base
MATERIALS
Metal(Fe + Co + Ni)
Ceramic
3
Pad
Au
4
5
6
7
8
9
Crystal Blank
Conductive Adhesive
Electrode
Underfill
Bump
IC
SiO2
Ag
Noble Metal
Organic
Au
Si
FMT-DOC024
FINISH/SPECIFICATIONS
Color Black
Tungsten Metalize
+ Ni Plating
+ Au Plating
Silicone Resin
Color Black
Issue date: 12.15 '08 VER.E
PAGE : 7 / 8
TXC CORPORATION
PRODUCT TYPE :
SMD TCXO 2.5 * 2.0
P/N : 7L26072002
REVISION : S1
■ RELIABILITY SPECIFICATIONS
1. Mechanical Endurance
No.
Test Item
1.1 Drop Test
1.2 Mechanical Shock
1.3 Vibration
1.4 Gross Leak
Criteria
Test Methods
Hegiht : 100 cm height
Direction : X,Y,Z 6 directions
Test cycles : 3 cycles
Fall freely on to concrete floor
Mounting on test fixture (total weight=100 g)
Acceleration : 1000 g
Duration : 0.5 ms
Test cycles : 3 times for all 3 directions
Frequency range : 10 ~ 2000 Hz
Amplitude : 1.52 mm (10 ~ 80 Hz)
Acceleration : 20 g (80 ~ 2000 Hz)
Sweep speed : 20 minutes/cycle
Test Pressure : 2 kg/cm
+/- 2.0 ppm
+/- 2.0 ppm
Direction : X,Y,Z 3 directions
Duration : 4 hours/each direction
Standard sample for automatic gross leak detector.
2
+/- 2.0 ppm
< 1.5 × 10-5 Pa
m3 / sec
1.5 Fine Leak
Helium bomging 4.5 kgf/cm2 for 2 hours
< 1.0 × 10-9 Pa
m3 / sec
1.6 Solderability
Preheate temperature : 125℃ ± 5℃
Preheate time : 120 sec
Solding temperature : 245℃ ± 5 ℃
Duration : 5 ± 1 sec
Method : Solder bath method
90% Coated
[Note] Criteria mean the maximum frequency change after reliability test, frequency shell be measured at 25℃.
FMT-DOC024
Issue date: 12.15 '08 VER.E
PAGE : 8 / 8
TXC CORPORATION
PRODUCT TYPE :
SMD TCXO 2.5 * 2.0
P/N : 7L26072002
REVISION : S1
2. Environmental Endurance
No.
Test Item
2.1 High Temp. Storage
2.2 Low Temp. Storage
Test Methods
Temperature : +125℃ ± 3℃
Duration : 168 hours
Temperature : -40℃ ± 3℃
Duration : 500 hours
Criteria
+/- 2.0 ppm
+/- 2.0 ppm
Total 100 cycles of the following temperature cycle :
2.3
Thermal Shock
(Air to Air)
Temperature : 85℃ ± 3℃
2.4 High Temp&Humidity Humidity: RH 85%
Duration : 168 hours
Temperature : 85℃ ± 3℃
2.5 Aging
Duration : 500 hours
Voltage input by specification
+/- 2.0 ppm
+/- 2.0 ppm
+/- 2.0 ppm
[Note] Criteria mean the maximum frequency change after reliability test, frequency shell be measured after
2 hours at 25℃ leaving.
FMT-DOC024
Issue date: 12.15 '08 VER.E
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