Ceramic Resonators, Chip Type
(Built-In Capacitors Type)
Type: JC ( 16 to 50 MHz)
nExplanation of Part Numbers
nFeatures
lLow Profile Type (1.2 mm maximum in thickness)
lDesigned for lead free soldering
lWide Oscillation Frequency : 16 to 50 MHz
lHigh reliability against soldering heat and mechanical
stress
lContributes simplification of oscillation circuits and
reduces the numbers of circuit parts
nRecommended Applications
lClock generator for microprocessers
lCarrier between telecommunication equipment
(Telephone to telephone, personal computer to
printer)
nPrecautions for Safety (See Page 218 to 219)
Part Number Oscillation Built-in
Frequency Loop Gain Temperature
Capacitors
Bulk Pack Embossed Taping (fo) (G) Characteristics
(Reference)
EFJC2505B5B EFJC2505E5B 25.00 MHz ±0.5 %
EFJC3205B5B EFJC3205E5B 32.00 MHz ±0.5 % 10 dB min. 8 pF
EFJC3385B5B EFJC3385E5B 33.868 MHz ±0.5 % Maximum frequency drift
EFJC4005B5B EFJC4005E5B 40.00 MHz ±0.5 % ±0.2 %, Ð20 to 80 ¡C
EFJC1695C5B EFJC1695F5B 16.93 MHz ±0.5 % 14 dB min. 16 pF
EFJC2005C5B EFJC2005F5B 20.00 MHz ±0.5 %
nRatings and Characteristics
Note:
Also available are types other than above standard products in the
frequency range of 16.0 to 50.0 MHz.
lOperating Temperature Range: Ð20 to 80 ûC
lFrequency Drift : 0.3% max./10 years
Ceramic Resonators
(Chip Type)
E F J C2005 5B
nDimensions in mm (not to scale)
lBulk
[Type JC] EFJC111111B
Ceramic Resonators
(Chip Type)
nTypical Characteristics
nPackaging Specifications
Supplied in bulk or taped & reel packing style
lStandard Packing Quantity
Type Embossed Taping Bulk
JC 3000 pcs./reel 500 pcs./bag
lDimensions for Reel in mm (not to scale)
Dim. P2P0fD0t1t2fC
(mm) 2.0±0.1 4.0±0.1 1.5 0.35 1.65 1.0
+0.1
0
Dim. A B W F E P1
(mm) 2.3 2.8 8.0±0.2 3.5±0.1 1.75±0.1 4.0±0.1
(mm)
Type JC
a 1.0
b 0.5
c 2.0
d 0.8
Dim. fAfBC D E
(mm) 180±5 60 min. 13±0.2 21±0.8 2.0±0.5
Dim. W T t r
(mm) 9.0
14.0 max.
2.5 max. 1.0
+1.0
Ð0.5
nTest Circuits Diagram
n
Recommended Land Dimensions
lEmbossed Taping
EFJC111111B
For Oscillation Circuit
For Loop Gain
[Type JC]
[Type JC]
Thickness changes with
Products
(40 MHz : 0.90 mm)
IC : µPD 74HCU04
