BB535ST /CT25 /CT28 CTA/C25 - Datasheet Archive

 

SILICON TUNING DIODE PINNING FEATURES High capacitance ratio PIN Low series inductance 1 Cathode 2 Anode Low series resistance

 

BB535ST BB535ST SILICON TUNING DIODE PINNING FEATURES High capacitance ratio PIN Low series inductance 1 Cathode 2 Anode Low series resistance DESCRIPTION Excellent uniformity and matching due to "in-line" matching assembly procedure 1 T3 APPLICATIONS For UHF-TV-tuners 2 Top view Marking Code: "T3" Simplified outline SOD-323 and symbol DESCRIPTION Silicon tuning diode in a small plastic SMD SOD-323 package Absolute Maximum Ratings (Ta = 25OC) Parameter Symbol Limits Unit Diode reverse voltage VR 30 V Peak reverse voltage(R5k) VRM 35 V IF 20 mA Operating temperature range Top -55.+150 O Storage temperature Tstg -55 . +150 O Forward current C C SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 30/08/2004 BB535ST BB535ST Electrical Characteristics (Ta = 25 OC) Parameter Symbol Min Typ Max IR - - Diode capacitance CT 17.5 14.01 2.05 1.9 18.7 15 2.24 2.1 10 200 20 16.1 2.4 2.3 Capacitance ratio CT2 /CT25 /CT25 6 6.7 7.5 - VR = 2V, VR = 25V, f = 1MHz Capacitance ratio CT1 /CT28 /CT28 8.2 8.9 9.8 - VR = 1V, VR = 28V, f = 1MHz Capacitance matching CT /CT - - 2.5 % VR = 1V to 28V, f = 1MHz 7 diodes sequence Series resistance rs - 0.58 0.75 VR = 3V, f = 470MHz Series inductance Ls - 1.8 - nH Reverse current Unit Conditions nA VR = 30V VR = 30V, Ta = 85 pF VR = 1V, f = 1MHz VR = 2V, f = 1MHz VR = 25V, f = 1MHz VR = 28V, f = 1MHz SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 30/08/2004 BB535ST BB535ST Normalized diode capacitance C) C(TA)/C(25 f (TA);f=1MHZ VR=Parameter Diode capacitance CT=f(VR) f=1MHz 20 1.08 C CTA/C25 CTA/C25 CT (pF) 16 12 1.06 1.04 1V 1.02 2V 8 25V 1 4 0.98 0.96 0 10 20 -30 30 -10 30 70 110 TA VR (V) Temperature coefficient of the diode capacitance, TCC=f(VR) Reverse current IR=f(TA), VR=28V -3 10 IR (pA) TCC (1/ C) 10 10 50 3 2 10 -4 10 10 -5 10 0 1 10 10 2 100 -10 VR (V) 10 30 50 70 100 TA ( C) SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 30/08/2004 BB535ST BB535ST Reverse current IR=f(VR) TA=Parameter 3 10 85 c IR(pA) 2 10 25 c 1 10 0 10 -1 10 10 0 1 2 10 10 VR (V) SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 30/08/2004 BB535ST BB535ST PACKAGE OUTLINE SOD-323 A UNIT mm A b c D E H 1.10 0.80 0.40 0.25 0.15 0.00 1.80 1.60 1.35 1.15 2.80 2.30 SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 30/08/2004