X21
[ 2.0 * 1.6 * 0.6 mm ]
Features
Specifications
●
The
●
●
Min.
Surface Mount Crystals
Fund.
20MHz
Max.
54MHz
entire package can be grounded via the top metal lid and the two bottom pads .
Small footprint. Ideal for space constrained applications
Exhibits extremely low aging with a high shock & vibration resistance.
General Specifications
Item / Type
Frequency Range
Crystal Cut
Load Capacitance
Drive Level
Frequency Tolerance
Frequency Stability
Aging
Storage Temperature Range
X21
series
( 2.0 * 1.6 * 0.6 mm )
20.000 ~ 54.000 MHz
Fundamental Mode , AT-Cut
Series or Parallel ( 8 to 32 pF ) resonance
10µ W typical
( 100µ W max. )
± 10 ppm , ± 20 ppm or ± 30 ppm at 25°
C
See Table 2
△F
/ F : ±3 ppm / year ( max. )
- 50° to 105°
C
C
Table 1
Table 2
ESR ( Equivalent Series Resistance )
Frequency Range
20.000 ~ 30.000 MHz
30.100 ~ 54.000 MHz
E. S. R.
120
80
max.
max
Stability code
X
Y
I
Frequency stability Vs Operating temperature range
Temp. (ºC) \ ppm
-10 to 60°
C
-20 to 70°
C
-40 to 85°
C
±5
▲
± 10
○
○
± 15
○
○
○
± 20
○
○
○
± 25
○
○
○
± 30
○
○
○
○
: available ;
▲
: contact Mercury
Outline Dimensions ( Unit : mm )
Mercury
www .mercury-crystal.com
■Taiwan
: Tel (886)-2-2406-2779 / sales-tw@mercury-crystal.com
■U.S.A:
Tel: (1)-909-466-0427 / sales-us@mercury-crystal.com
■China:
Tel: (86)-512-5763-8100 / sales-cn@mecxtal.com
MERCURY [ MERCURY UNITED ELECTRONICS INC ]
