STC21K Series

Ceramic SMT 6 Pad Clipped Sinewave (VC)TCXO

2.0mm x 1.6mm

Call: +1-949-783-7300 | Fax: +1-949-783-7301

Specifications are subject

to change without notice.

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Suntsu Electronics, Inc.

142 TECHNOLOGY DR., SUITE 150

IRVINE, CA 92618

Features

Applications

Frequency Range

Storage Temperature

Freq. Stability vs. Op Temp.

See part numbering guide for options.

See part numbering guide for options.

3.0

MHz

°C

ppm

V

52

+85

3.15

10

-40

-0.5

2.85

Control Voltage (VCTCXO) - 1.8V

mA

V

1.5

1.5

0.3

+0.5

Operating Temperature

See part numbering guide for options.

°C

+85

-40

Frequency Tolerance at +25ºC

ppm

-2.0

+2.0

Control Voltage (VCTCXO) - 2.5V

Output Load (Clipped Sinewave)

VC Input Impedance (VCTCXO)

At 19.2MHz

50

V

kΩ//pF

%

ms

kΩ

2.4

60

2.0

0.4

40

500

Phase Noise (Typical) 100Hz Offset

Phase Noise (Typical) 1KHz Offset

Phase Noise (Typical) 10KHz Offset

At 19.2MHz

At 19.2MHz

-115

-135

dBc/Hz

dBc/Hz

10//10

Start-Up Time

Pullability (VCTCXO)

ppm

±5.0

-148

dBc/Hz

Output Logic Levels

0.8

Symmetry (Duty Cycle)

Freq. Stability vs. Supply Voltage

ppm

-0.2

+0.2

Freq. Stability vs. Load

±10% change

ppm

-0.2

+0.2

Freq. Stability vs. Aging

1 Year

ppm

-1.0

+1.0

mA

2.0

Control Voltage (VCTCXO) - 2.8/3.0/3.3

V

2.5

0.5

STC 21 K 18 R 48 V G - 52.000M

Cage Code: 4GUT4

To customize your parameters contact a Suntsu representative.

SUNTSU TCXO

2.0mm x 1.6mm

CLIPPED SINEWAVE

Part Numbering Guide

COMPLIANT

FREQUENCY STABILITY

FREQUENCY

O : ±2.5ppm

P : ±2.0ppm

Q : ±1.5ppm

R : ±1.0ppm

F : ±0.5ppm

07 : 0°C - +70°C

16 : -10°C - +60°C

17 : -10°C - +70°C

27 : -20°C - +70°C

38 : -30°C - +85°C

48 : -40°C - +85°C

MHz

SUPPLY VOLTAGE

18 : 1.8V±5%

25: 2.5V±5%

28: 2.8V±5%

30: 3.0V±5%

33: 3.3V±5%

PULLABILITY

BLANK : TCXO

G : ±5.0ppm

TCXO/VCTCXO

BLANK : TCXO

V : VCTCXO

OPERATING

TEMPERATURE RANGE

Typical

Units

Electrical Parameters

Maximum

Remarks

Minimum