Download: DATA SHEET BB212 AM variable capacitance double diode

DISCRETE SEMICONDUCTORS DATA SHEET handbook, halfpage M3D152 BB212 AM variable capacitance double diode Product specification 1996 May 03 Supersedes data of April 1992 File under Discrete Semiconductors, SC01 FEATURES PINNING • Leaded plastic package PIN DESCRIPTION • C8: 19 pF; ratio: 29. 1 anode (a1) 2 common cathode APPLICATIONS 3 anode (a2) • Electronic tuning in AM radio applications • VCO. handbook, halfp1age DESCRIPTION13The BB212 is a variable capacitance 2 MAM223 double diode with a common cathode, fabricated in planar technology, and encapsulated in the TO-92 variant Fig.1 Simplified...
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DISCRETE SEMICONDUCTORS

DATA SHEET

handbook, halfpage M3D152

BB212 AM variable capacitance double

diode Product specification 1996 May 03 Supersedes data of April 1992 File under Discrete Semiconductors, SC01, FEATURES PINNING • Leaded plastic package PIN DESCRIPTION • C8: 19 pF; ratio: 29. 1 anode (a1) 2 common cathode APPLICATIONS 3 anode (a2) • Electronic tuning in AM radio applications • VCO. handbook, halfp1age DESCRIPTION13The BB212 is a variable capacitance 2 MAM223 double diode with a common cathode, fabricated in planar technology, and encapsulated in the TO-92 variant Fig.1 Simplified outline (TO-92 variant) and symbol. leaded plastic package. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER MIN. MAX. UNIT Per diode VR continuous reverse voltage − 12 V IF continuous forward current − 100 mA Tstg storage temperature −55 +100 °C Tj operating junction temperature −55 +85 °C 1996 May 03 2, ELECTRICAL CHARACTERISTICS Tj = 25 °C; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Per diode IR reverse current VR = 10 V; see Fig.3 − − 50 nA VR = 10 V; Tj = 85 °C; see Fig.3 − − 300 nA rs diode series resistance f = 500 MHz; note 1 2.5 Ω Cd diode capacitance see Figs 2 and 4 VR = 0.5 V; f = 1 MHz 500 − 620 pF VR = 3 V; f = 1 MHz 140 − 280 pF VR = 5.5 V; f = 1 MHz 40 − 90 pF VR = 8 V; f = 1 MHz − − 22 pF C capacitance ratio f = 1 MHz 22.5 − − -d-(-0-.-5-V-)- Cd (8V) Note 1. VR is the value at which Cd = 500 pF. MATCHING PROPERTIES ADDITIONAL TOLERANCE (see Fig.5) The capacitance of the two diodes in their common In the range of VR = 0.5 V to8Vthe following additional package may differ within certain limits. The total, relative tolerances are valid. capacitance difference between the two diodes in one package may be found in Fig.5. The anode a1 or a2 with C1CS= V – the higher capacitance at V = 3 V, is identified by a white - R - 1- 0.5VRC2 C2 dot. S < 2% for VR = 0.5 to3VBASIC TOLERANCE S < 4% for VR = 3 to 5.5VS< 6% for VR = 5.5 to 8 V. The relative deviation of the capacitance value at V = 0.5 V is maximum 3.5%. C1 is the capacitance of a1 when a1 > a2.R C1 is the capacitance of a2 when a2 > a1. C1 (0.5V) – C (0.5 V)k = -(- 2-)- = <3.5%C2 0.5 V 1996 May 03 3, GRAPHICAL DATA MGC814 handbook, full pagewidth Cd (pF) 10−1 1 10 VR (V) f = 1 MHz. Fig.2 Diode capacitance as a function of reverse voltage; typical values. MGC809 MLC815 3 10 3 handboo1k,0 halfpage handbook, halfpage IR TC d (nA) (K−1) 102 10 10 10 0 20 40 60 80 100 101110 V (V) 10 T (oC) Rj Fig.4 Temperature coefficient of diode Fig.3 Reverse current as a function of junction capacitance as a function of reverse temperature; maximum values. voltage; typical values. 1996 May 03 4, MGC811 handbook,2 h0alfpage

S

(%) 02 4 68 10 VR (V) Fig.5 Capacitance matching as a function of reverse voltage; typical values. 1996 May 03 5, PACKAGE OUTLINE handbook, full pagewidth 0.40 min 4.2 max 1.6 5.2 max 12.7 min 0.48 1 0.40 4.8 max 2.54 2 0.66 (1) 2.0 max MBC014 - 10.56 Dimensions in mm. (1) Terminal dimensions within this zone are uncontrolled to allow for flow of plastic and terminal irregularities. Fig.6 TO-92 variant.

DEFINITIONS

Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1996 May 03 6]
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