Document No. 008-0288-0

Page 2 - 3

Rev. F

Model 403

3.2x2.5mm Low Cost

Surface Mount Crystal

ELECTRICAL CHARACTERISTICS

PARAMETER

VALUE

Operating Mode

Fundamental

Crystal Cut

AT-Cut

Frequency Range

12.0 MHz to 50.0 MHz

± 30 ppm Standard

(± 10 ppm, ± 15 ppm and ± 20 ppm Available)

Frequency Stability Tolerance

± 50 ppm Standard

(Operating Temperature Range, Referenced to 25°C Reading)

(± 10 ppm, ± 15 ppm, ± 20 ppm, ± 30 ppm and ± 40 ppm Available)

-20°C to +70°C Standard

(-40°C to +85°C Available)

Aging

± 3 ppm/year Maximum

Storage Temperature Range

-55°C to +125°C

Equivalent Series Resistance

See ESR Table

Load Capacitance or Resonance Mode

See Ordering Information

5.0 pF Maximum

(3.0 pF Typical)

Drive Level

10 µW Typical, 100 µW Maximum

Reflow Condition, per JEDEC J-STD-020

+255°C ± 5°C, 10 Seconds Maximum

Frequency Tolerance @ 25°C

Operating Temperature Range

EQUIVALENT SERIES RESISTANCE TABLE

FREQUENCY RANGE

MODE of OSCILLATION ESR Maximum

12.00 MHz - 13.999 MHz

Fundamental

150 Ohms

14.00 MHz - 15.999 MHz

Fundamental

100 Ohms

16.00 MHz - 19.999 MHz

Fundamental

80 Ohms

20.00 MHz - 50.00 MHz

Fundamental

60 Ohms

MECHANICAL SPECIFICATIONS

MARKING INFORMATION

1. XX.XX – Frequency marked with 2 significant

digits after the decimal.

2. C – CTS and Pin 1 identifier.

3. YWW – Date Code, Y – Last Digit of Year,

WW – Week.

4. Complete CTS part number, frequency value

and date code information must appear on reel

and box labels.

NOTES

1. Termination pads (e4), barrier-plating is nickel

(Ni) with gold (Au) flash plate.

2. Terminations #2, #4 and the metal lid are

connected internally. End user may connect

these pins to circuit ground.

SUGGESTED SOLDER PAD GEOMETRY

0.085 [2.15]

0.061 [1.55]

0.039 [1.00]

Key:

[mm]

Inch

0.035 [0.90]

12

3

4

PACKAGE DRAWING

( 0.7 )

0.028

#2

Bottom View

Top View

2

1

4

3

( 0.8 )

0.031

( 1.0 )

0.039

0.047

( 1.2 )

( 0.80 )

MAX

( 3.20 ±0.20 )

0.126 ±0.008

0.031

( 2.50 ±0.20 )

0.098 ±0.008

Key:

( MM )

Inch

#2

#3

#4

#1

XX.XX

CYWW