bb545 /bb565... for uhf-tv-tuners high capacitance ratio low series inductance low series resistance excellent uniformity and matching due to "in-line" matching assembly procedure bb545 bb565/-02v type package configuration l s (nh) marking bb545 bb565 bb 565-02v sod323 scd80 sc79 single single single 1.8 0.6 0.6 white u cc c maximum ratings at t a = 25c, unless otherwise specified parameter symbol value unit diode reverse voltage v r 30 v peak reverse voltage r 5k v rm 35 forward current i f 20 ma operating temperature range t op -55 ... 150 c storage temperature t stg -55 ... 150 product specification 1 of 2 4008-318-123 sales@twtysemi.com http://www.twtysemi.com t variable capacitance diode y
electrical characteristics at t a = 25c, unless otherwise specified parameter symbol values unit min. typ. max. dc characteristics reverse current v r = 30 v v r = 30 v, t a = 85 c i r - - - - 10 200 na ac characteristics diode capacitance v r = 1 v, f = 1 mhz v r = 2 v, f = 1 mhz v r = 25 v, f = 1 mhz v r = 28 v, f = 1 mhz c t 18.5 13.2 1.85 1.8 20 14.8 2.07 2 21.5 16.4 2.28 2.2 pf capacitance ratio v r = 1 v, v r = 28 v, f = 1 mhz c t1 / c t28 9 10 11 - capacitance ratio v r = 2 v, v r = 25 v, f = 1 mhz c t2 / c t25 6.3 7.2 8.1 capacitance matching 1) v r = 1v to 28v, f = 1 mhz, 7 diodes sequence, bb545 v r = 1v to 28v, f = 1 mhz, 4 diodes sequence, bb565/ -02v v r = 1v to 28v, f = 1 mhz, 7 diodes sequence, bb565/ -02v c t / c t - - - - 0.5 0.7 2.5 1.5 2 % series resistance v r = 3 v, f = 470 mhz r s - 0.6 - 1 for details please refer to application note 047 bb545 /bb565... product specification 2 of 2 4008-318-123 sales@twtysemi.com http://www.twtysemi.com
|
