183 crystal filters mcf model nominal fre- quency (mhz) pole (db) (khz) attenuation bandwidth ripple (db) insertion loss (db) terminating impedance ( ? // pf) operating temp. range *(?c) type weight (g) (db) (khz) (db) (khz) pass band- width 21n7.5a 21.4 2 3 3.75 18 18 0.5 2 850//6 ?0~+70 d-360-a 0.5 21n7.5b 21.4 4 3 3.75 40 14 1 2.5 850//5 cc=16pf ?0~+70 d-360-b 1.5 21n12a 21.4 2 3 6 18 22 0.5 2 910//5 ?0~+70 d-360-a 0.5 21n12b 21.4 4 3 6 40 20 1 2.5 910//5 cc=13pf ?0~+70 d-360-b 1.5 21n15a 21.4 2 3 7.5 18 30 0.5 2 1.6k//1.3 ?0~+70 d-360-a 0.5 21n15b 21.4 4 3 7.5 40 25 1 2.5 1.6k//1 cc=7pf ?0~+70 d-360-b 1.5 21n20a 21.4 2 3 10 18 34 0.5 2 1.6k//1.3 ?0~+70 d-360-a 0.5 21n20b 21.4 4 3 10 40 34 1 2.5 1.6k//1.5 cc=4pf ?0~+70 d-360-b 1.5 21n30a 21.4 2 3 15 18 50 0.5 2 2.3k//1 ?0~+70 d-360-a 0.5 21n30b 21.4 4 3 15 40 50 1 2.5 2.3k//1 cc=3.5pf ?0~+70 d-360-b 1.5 21m15c 21.4 6 6 7.5 60 22.5 2 3 1k//1 ?0~+70 d-161-d 3.5 21m15d 21.4 8 6 7.5 60 15 80 20 2 4 1k//1 ?0~+70 d-161-d 4 21m15eb 21.4 10 6 7.5 65 15 80 17.5 2 5 1k//1 ?0~+70 d-161-e 4.5 21m7.5jh 21.4 6 3 3.75 45 8.75 65 12.5 2 3.5 910//3 ?0~+70 d-161-c 3.5 21m7.5jk 21.4 6 3 3.75 45 8.75 65 12.5 2 3.5 1.6k//1 ?0~+70 d-161-c 3.5 21m12jh 21.4 6 3 6 45 14 65 20 2 2.5 1.6k//1 ?0~+70 d-161-c 3.5 21m15jh 21.4 6 3 7.5 45 17.5 65 25 2 2.5 1.6k//1 ?0~+70 d-161-c 3.5 21m30jh 21.4 6 3 15 45 35 65 50 2 2.5 2.3k//? ?0~+70 d-161-c 3.5 21m7.5jj 21.4 6 3 3.75 45 8.75 65 12.5 2 3.5 750//3 ?0~+70 d-161-c 3.5 21m12jj 21.4 6 3 6 45 14 65 20 2 2.5 1.2k//0 ?0~+70 d-161-c 3.5 21m15jj 21.4 6 3 7.5 45 17.5 65 25 2 2.5 1.5k//0 ?0~+70 d-161-c 3.5 21m7.5dh 21.4 8 3 3.75 65 9 90 12.5 2 4 910//3 ?0~+70 d-161-d 4 21m7.5dk 21.4 8 3 3.75 65 9 90 12.5 2 4 1.6k//1 ?0~+70 d-161-d 4 21m12dh 21.4 8 3 6 65 14 90 20 2 3 1.6k//1 ?0~+70 d-161-d 4 21m15dh 21.4 8 3 7.5 65 17.5 90 25 2 3 1.6k//1 ?0~+70 d-161-d 4 21M30DH 21.4 8 3 15 65 35 85 50 2 3 2.3k//? ?0~+70 d-161-d 4 21m7.5dj 21.4 8 3 3.75 65 9 90 12.5 2 4 750//3 ?0~+70 d-161-d 4 21m12dj 21.4 8 3 6 65 14 90 20 2 3 1.2k//0 ?0~+70 d-161-d 4 21m15dj 21.4 8 3 7.5 65 17.5 90 25 2 3 1.5k//0 ?0~+70 d-161-d 4 21x7.5a 21.4 2 3 3.75 20 20 1 2.0 850//6 ?0~+70 d-362-a 0.5 21x7.5b 21.4 4 3 3.75 40 25 1 3.0 1.5k//2.5 cc=8pf ?0~+70 d-362-b 1.5 21x15aa 21.4 2 3 7.5 18 25 0.5 2.0 1.5k//2.5pf ?0~+70 d-362-a 0.5 21x15be 21.4 4 3 7.5 40 25 1 2.5 1.5k//2.5 cc=7pf ?0~+70 d-362-b 1.5 miniature 21.4mhz series -40~+80?c (available on request) the units have been miniaturized for the 21.4mhz range and are ideal for compact devices for portable use. features 8 compactness and light weight 8 an ideal mcf for portable use. attention on use 8 can be washed except for a, b types. 4 21.4mhz series
184 crystal filters 11.5 + 0.5 7 + 1 4 + 0.5 1.5 + 0.2 40.3 l + 0.5 a + 0.5 22 8.5 + 0.5 gnd al type d-161-c d-161-d d-161-e 5.2 7.4 9.8 8.5 11.0 13.4 40 50 60 70 80 90 30 20 10 -16 -12 -8 -4 0 4 8 12 16 (khz) 21.4mhz att(db) (a) -800 -600 -400 -200 0 200 400 600 800 (khz) (b) (b) (a) cc r//c r//c connecting mark 7.9max 3.75 3-?.35 20.0min 8.0max max 3.2 0.2 d-360-b means a pair of d-360-a. d-362-b means a pair of d-362-a. when d-360-b/d-362-b are used, please use a coupling capacitance. cc includes stray capacitance. mcf mcf 40 50 60 70 80 90 30 20 10 -16 -12 -8 -4 0 4 8 12 16 (khz) 21.4mhz att(db) 40 50 60 70 80 90 30 20 10 -20 -15 -10 -5 0 5 10 15 20 (khz) 21.4mhz att(db) (a) -800 -600 -400 -200 0 200 400 600 800 (khz) (b) (b) (a) 40 50 60 70 80 90 30 20 10 -16 -12 -8 -4 0 4 8 12 16 (khz) 21.4mhz att(db) model : 21n7.5a model : 21n7.5b model : 21m7.5dh model : 21m7.5jj d-360-a ~ b (nr-2b (3) type) d-362-a ~ b (nr-2c (3) type) (mm) d-161-c ~ e (mm) 3.75 ?.35 20.0min 6.0max 6.9 7.9max max 3.2 mcf 21.4mhz series
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