Ceramic SMT 6 Pad Clipped Sinewave (VC)TCXO
STC21K Series
2.0mm x 1.6mm
Features
• ±±.5ppm (Frequency Stability) Available
• Clipped Sinewave
• (VC)TCXO
• Tape and Reel
Applications
• GPS
• Mobile Communication Equipment
• IoT, Wearable Electronics
• WiMAX, WLAN
Part Numbering Guide
STC 21 K 18 R 48 V G - 52.000M
SUNTSU TCXO
FREQUENCY
MHz
PULLABILITY
2.0mm x 1.6mm
BLANK : TCXO
G : ±5.±ppm
CLIPPED SINEWAVE
TCXO/VCTCXO
BLANK : TCXO
OPERATING
SUPPLY VOLTAGE
V : VCTCXO
TEMPERATURE RANGE
18 : 1.8V±5%
25: 2.5V±5%
28: 2.8V±5%
3±: 3.±V±5%
FREQUENCY STABILITY
±7 : ±°C - +7±°C
O : ±2.5ppm
16 : -1±°C - +6±°C
17 : -1±°C - +7±°C
27 : -2±°C - +7±°C
38 : -3±°C - +85°C
48 : -4±°C - +85°C
P : ±2.±ppm
Q : ±1.5ppm
R : ±1.±ppm
F : ±±.5ppm
33: 3.3V±5%
COMPLIANT
Cage Code: 4GUT4
To customize your parameters contact a Suntsu representative.
Electrical Parameters
Units
Minimum
Typical
Maximum
Remarks
Frequency Range
MHz
1±
52
Frequency Tolerance at +25ºC
Freq. Stability vs. Op Temp.
Freq. Stability vs. Supply Voltage
Freq. Stability vs. Load
ppm
ppm
ppm
ppm
-2.±
-±.5
-±.2
-±.2
+2.±
+±.5
+±.2
+±.2
See part numbering guide for options.
VDD±5% change.
±1±% change
Freq. Stability vs. Aging
ppm
°C
-1.±
-4±
-4±
2.85
+1.±
+85
+85
3.15
1.5
1 Year
Operating Temperature
See part numbering guide for options.
Storage Temperature
°C
Supply Voltage (VDD) - 3.±V Option
Current (IDD) - 1±MHz - 26MHz
Current (IDD) - 26MHz - 52MHz
Control Voltage (VCTCXO) - 1.8V
V
3.±
See part numbering guide for options.
mA
mA
V
2.±
1.5
±.3
±.4
±.5
Control Voltage (VCTCXO) - 2.5V
Control Voltage (VCTCXO) - 2.8/3.±/3.3
Pullability (VCTCXO)
V
V
2.4
2.5
ppm
kΩ//pF
VP-P
±5.±
Output Load (Clipped Sinewave)
Output Logic Levels
1±//1±
±.8
4±
Symmetry (Duty Cycle)
%
5±
6±
ms
2.±
Start-Up Time
VC Input Impedance (VCTCXO)
Phase Noise (Typical) 1±±Hz Offset
Phase Noise (Typical) 1KHz Offset
Phase Noise (Typical) 1±KHz Offset
kΩ
5±±
dBc/Hz
dBc/Hz
dBc/Hz
-115
-135
-148
At 19.2MHz
At 19.2MHz
At 19.2MHz
Suntsu Electronics, Inc.
142 TECHNOLOGY DR., SUITE 150
IRVINE, CA 92618
www.suntsu.com
Specifications are subject
to change without notice.
Call: +1-949-783-7300 | Fax: +1-949-783-7301