design, specifications are subject to change without notice. ask factory for technical specifications before purchase and/or use. whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail. e ef26 e ceramic resonators (built-in capacitors type) type: ec (2.0 to 50.0 mhz) n explanation of part numbers e 1 f 2 o 3 e 4 c 5
6
7
8
9
10
11
12 product code ceramic resonators efo nominal oscillation
frequency 4.0 mhz
20.0 mhz
(example) 4004
2005 frequency
tolerance 0.3 %
0.5 %
1.0 % 3
4
5 design no. packaging style
a/c
t
s bulk pack
a (8.38 mhz max.)
c (8.39 mhz min.)
taping
lead forming type built-in
capacitors type
case type with
3 terminals
ec ceramic resonators (type ec) n features l wide range of oscillation frequency: 2.0 to 50 mhz l no need of capacitors in oscillation circuit l high accuracy, high stability initial frequency tolerance: 0.3 to 0.5 % l excellent temperature characteristics (nominal freq.: 3.58 to 50 mhz) frequency drif t : 0.1 % max. e10 to 60 ?c l saves height on p.c.-board (height: 5 mm max.) l taped version is available for automatic insertion n recommended applications l clock pulse generator for micro-processers l carrier between telecommunication equipment (telephone to telephone, personal computer to printer) n ratings and characteristics l type ec l operating temperature range: e20 to 80 ?c l frequency drift: 0.3 % max./10 years notes: 1. also available are types other than above standard products in the frequency range of 2.0 to 50 mhz. please contact us for more information. 2. for application in telephone dialer, please contact us. part number oscillation loop gain temperature bulk pack taping frequency (g) characteristics efoec2004a5 efoec2004t5 2.00 mhz 1.0 % 10 db efoec3584a4 efoec3584t4 3.58 mhz 0.5 % efoec4004a4 efoec4004t4 4.00 mhz 0.5 % efoec4194a4 efoec4194t4 4.19 mhz 0.5 % 10 db efoec5004a4 efoec5004t4 5.00 mhz 0.5 % maximum frequency drift: efoec6004a4 efoec6004t4 6.00 mhz 0.5 % 0.1 %, e10 to 60 ?c efoec8004a4 efoec8004t4 8.00 mhz 0.5 % (0.2 %, e20 to 80 ?c) efoec1005c4 efoec1005t4 10.00 mhz 0.5 % 14 db efoec2005c4 efoec2005t4 20.00 mhz 0.5 % 10 db EFOEC3385C4 efoec3385t4 33.868 mhz 0.5 % 8 db maximum frequency drift: 0.6 %, e10 to 60 ?c (1.0 %, e20 to 80 ?c)
design, specifications are subject to change without notice. ask factory for technical specifications before purchase and/or use. whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail. e ef27 e ceramic resonators (type ec) n test circuit diagram frequency 2.0e8.38 mhz 8.39e19.9 mhz > 20 mhz dim. t 4.0 max. 5.0 max. 4.0 max. packing quantity 4000 pcs./box 2000 pcs./box 4000 pcs./box + 5 v 14 13 11 9 7 5 2 for loop gain 1 m w ceramic
resonator 1 in 0.01 g=20 log (v 0 /v 1 ) v 0 v 1 out fet probe
10 m w min.
2 pf max. t.g.
output
= e 20 dbm ic 4 3 + 5 v 14 13 11 9 7 5 2 for oscillation circuit frequency counter 1 m w 3 1 ic ceramic resonator 4 frequency ic 2.00 to 8.38 mhz pd 4069ubc 8.39 to 45 mhz pd 74hcu04 a c lead forming efoec 1111 s 1 n dimensions in mm (not to scale) bulk pack efoec 1111 1
3- f 0.50 0.05 8.5 max. 5.0 0.4 oscillation frequency
(khz) date code 4000 5.0 max. 3.5 min. a type t (2.5) (2.5) earth terminal 3- f 0.50 0.05 8.5 max. oscillation frequency
(khz) date code 5.0 max. a 1.0 max. resin 1.5 0.5 t 2.5 0.3 2.5 0.3 8000 0 +0.4 - 0.1
n dimensions for taping in mm (not to scale) efoec 1111 t4 d h 1 d h 2 p 0 p t 0 w h 0 f d 0 f w 0 l standard packing quantity frequency range packing quantity 2.0 to 8.38 mhz 1000 pcs./box 8.39 to 19.9 mhz 800 pcs./box 20.0 to 50 mhz 1000 pcs./box dimensions ] a 160e170 b 40e45 c 330 ] tolerance: 3 mm dimensions p 12.71.0 p 0 12.70.3 w 18.01.0 w 0 6.0 min. h 0 18.50.5 f d 0 f 4.00.2 f 5.00.4 t 0 1.5 max. ? h 1 , ? h 2 2.0 max. a b c n typical characteristics (efoec4004a4) 0.4 0.2 0 e 0.2 e 0.4 e 20 0 20 40 60 80 temperature ( ? c ) oscillation frequency drift (%) temperature characteristics
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