BB171X

BB171 VHF variable capacitance diode Rev. 1 25 March 2013 Product data sheet 1. Product profile 1.1 General description The BB171 is a variable capacitance diode, fabricated in planar technology, and encapsulated in the SOD323 (SC-76) very small SMD plastic package. 1.2 Features and benefits Excellent linearity Very small SMD plastic package C = 2.7 pF C to C ratio = 22 d(28V) d(1V) d(28V) Low series resistance 1.3 Applications Voltage Controlled Oscillators (VCO) 2. Pinning information Table 1. Pinning Pin Description Simplified outline Symbol 1 1 cathode 1 2 2 anode sym008 1 The marking bar indicates the cathode. 3. Ordering information Table 2. Ordering information Type number Package Name Description Version BB171 SC-76 plastic surface-mounted package 2 leads SOD323BB171 NXP Semiconductors VHF variable capacitance diode 4. Marking Table 3. Marking Type number Marking code BB171 4J 5. Limiting values Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit V reverse voltage - 32 V R peak value in series with a 10 k resistor - 35 V I forward current - 20 mA F T storage temperature 55 +150 C stg T junction temperature 55 +125 C j 6. Characteristics Table 5. Characteristics T = 25 C unless otherwise specified. j Symbol Parameter Conditions Min Typ Max Unit 1 I reverse current V =30V -- 10 nA R R 1 V =30V T =85 C -- 200nA R j r diode series resistance f = 100 MHz C =30pF - 1 1.2 s d 2 C diode capacitance f = 1 MHz d V =1V 52 - 62 pF R V = 28 V 2.48 2.7 2.89 pF R C /C diode capacitance ratio f=1MHz - 1.31 - d(1V) d(2V) (1 Vto2V) C /C diode capacitance ratio f = 1 MHz 20.6 22 - d(1V) d(28V) (1Vto28V) C /C diode capacitance ratio f=1MHz - 1.05 - d(25V) d(28V) (25 V to 28 V) 1 See Figure 2. 2 See Figure 1 and Figure 3. BB171 All information provided in this document is subject to legal disclaimers. NXP B.V. 2013. All rights reserved. Product data sheet Rev. 1 25 March 2013 2 of 8