Features
Surface mount type suitable for auto
pick-and-place
Reflow soldering compatible
CMOS, TTL IC direct drive is possible
With tri-state function
Broad frequency range from 1.8MHz to 50MHz
Supply voltage VCC=3.3/ 5.0V available
Frequency Tolerance (Overall)
Freq. Tol. Operating
Temperature
Range (°C) Note
Code × 106
1± 100 10 to +70
(Standard)
1.8 to 50MHz
0± 50 1.8 to 33MHz
S± 30
How to Order
KC7050B 25.0000 C 3 0 B 00
Type
Output Frequency
Output Type (CMOS)
Supply Voltage 5=5.0V, 3=3.3V
Frequency Tolerance (See Table at Left)
Symmetry/ Enable Function
A: 40/ 60%, Disable
B: 40/ 60%, Stand-by
Customer Special Model Suffix
(STD Specification is “00”)
Symmetry/ Enable Function
Freq.
(MHz)
Code
KC7050B-C5 KC7050B-C3
1.8 to 39.9 A A
to 50 A B
Pb Free
RoHS Compliant
Specifications
Item Symbol Specifications Units
KC7050Bxx.xxxxC5xA00 (FXO-31FH) KC7050Bxx.xxxxC3xB00 (FXO-31FL)
Output Frequency Range fo 1.8 to 50 MHz
Frequency Tolerance (Overall)
f_tol
±30 (to 33MHz)
×106
±50 (to 33MHz)
±100 (to 50MHz)
Storage Temperature Range T_stg 40 to +85 °C
Operating Temperature Range
T_use 10 to +70 °C
Max. Supply Voltage 7 max. V
Supply Voltage VCC 5±0.5 3.3±0.3 V
Current Consumption ICC
25 max. (1.8 to 15MHz) 18 max. (1.8 to 39.9MHz) mA30 max. (15.1 to 32MHz) 25 max. (40 to 50MHz)
45 max. (32.1 to 50MHz)
Stand-by Current I_std 10 max. µA
Symmetry SYM 40 to 60@50%VCC %
Rise/ Fall Time tr/ tf 10 max. nS
Low Level Output Voltage VOL 10% VCC max. V
High Level Output Voltage VOH 90% VCC min. V
Output Load CL 50 max. 20 max. pF
Input Voltage Range VIN 0 to VCC 0 to VCC V
Low Level Input Voltage VIL 0.8 max. 0.3 max. V
High Level Input Voltage VIH 2.2 min. 2.2 min. V
Disable Time t_dis 150 max. nS
Enable Time t_ena 5 max. mS
Start-up Time t_str 10 max. mS
Note: All electrical characteristics are defined at the maximum load and operating temperature range.
Please contact us for inquiry about operating temperature range, available frequencies and other conditions.
Dimensions (Unit: mm)










 
 
 

 
 
 






④ 
Recommended Land Pattern (Unit: mm)




       

CMOS/ 3.3V/ 5.0V/ 7.0×5.0mm
Clock Oscillators Surface Mount Type
KC7050B Series (FXO-31F Series)