Ceramic SMD Crystal Unit
SMD 2.5 x 2.0mm Type
F
EATURE
Surface Mount Low Profile
Seam Sealed Ceramic
Excellent Heat Resistance
High precision and high frequency stability
MX2 series
Applications: Wired Network, Mobile Communication, WiMAX, WLAN,
Test Equipment
P
ART
N
UMBERING
S
YSTEM
MX2
(1)
No
(1)
(2)
(3)
(4)
(5)
(6)
F
(2)
H
(3)
J
(4)
Item
C
(5)
24M0
(6)
Code
MX2
F
H
J
C
24M0
Description
Crystal Unit
F: 20pF
H: ±30ppm
J: ±50ppm
C: -20~+70ºC
24M0: 24.000MHz
Series Reference
Ceramic SMD Crystal 2.5x2.0mm 4 Pads
E: 18pF, R: Series Resonance (see options)
F: ±20ppm, G: ±25ppm (see options)
G: ±25ppm, H: ±30ppm (see options)
C: -20~+70ºC, I: -40~+85ºC (see options)
16M0 ~ 55M0 (M denotes decimal point)
Meritek Series
Load Capacitance
Frequency Tolerance
Stability vs Oper Temp.
Operating Temp.
Frequency
D
IMENSIONS AND
R
ECOMMENDED
P
ATTERN
(Unit:mm)
A
VAILABLE
O
PTIONS
Parameters
Load Capacitance
Frequency Tolerance
Stability vs Oper Temp.
Operating Temperature
Part Number Options
R: Series Resonance, 3: 3pF ~ 8: 8pF,
A: 10pF, B: 12pF, C: 15pF, D: 16pF, E: 18pF, F: 20pF, K: 22pF, G: 25pF, H: 30pF, L: 32pF
A: ±10ppm, C: ±15ppm, F: ±20ppm, G: ±25ppm, H: ±30ppm, J: ±50ppm
A: ±10ppm, C: ±15ppm, F: ±20ppm, G: ±25ppm, H: ±30ppm, J: ±50ppm, K: ±100ppm
B: 0~+70C, A: -10~+60C, C: -20~+70C, K: -30~+85C, I: -40~+85C, R: -40~+105C
Note: Custom options available. Contact Meritek for more information.
Meritek Electronics Corporation
|
www.meritekusa.com
Rev.8a 01/12/2018
Ceramic SMD Crystal Unit
SMD 2.5 x 2.0mm Type
E
LECTRICAL
C
HARACTERISTICS
Parameters
Frequency Range
Operation Mode
Load Capacitance
Frequency Tolerance (at
25ºC)
Freq Stability over Oper Temp.
Operating Temperature
Storage Temperature
Drive Level
Aging
Shunt Capactiance
Insulation Resistance
16.0 ~ 19.999 Fundamental
Equivalent Series
Resistance
Packing Unit
20.0 ~ 29.999 Fundamental
30.0 ~ 55.000 Fundamental
MX2 series
Characteristic
16.000 ~ 55.000 MHz
Fundamental
18 pF (see options)
±30 ppm (see options)
±50 ppm (see options)
-40 ~ +85°C (see options)
-40 ~ +85°C
100µW max. (10 typ.)
±5 ppm / year
7.0 pF max.
500 MΩ min. (@100Vdc ±15V)
150 Ω max.
100 Ω max.
70 Ω max.
3,000 pcs / 7” Reel
R
ECOMMENDED
S
OLDERING
P
ROFILES
Reflow Condition
Pre
Heat
Temp. Min T
s(min)
Temp. Max T
s(max)
Time (min. to max.) (t
s
)
150°C
180°C
60~120 seconds
1°C/second max.
3°C/second max.
230°C
30~40 seconds
260°C
10 seconds max.
6°C/second
Average ramp up rate (T
L
) to peak
T
s(max)
to T
L
(Ramp-up rate)
Reflow
Temp. (T
L
)
Time (min. to max.) (t
L
)
Peak Temperature (T
P
)
Time within 5°C of actual peak
Temperature (t
p
)
Ramp-down Rate
*Specifications subject to change without notice.
Meritek Electronics Corporation
|
www.meritekusa.com
Rev.8a 01/12/2018
PCB设计
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