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Variable Capacitance Diodes
MA2S331
Silicon epitaxial planar type
Unit: mm
For VCO of an UHF radio s Features
* Small series resistance: rD = 0.18 (typ.) * Good linearity of C - V curve * SS-Mini type package, optimum for downsizing of equipment
0.27+0.05 -0.02 2
0.13+0.05 -0.02
1.30.1
1.70.1
s Absolute Maximum Ratings Ta = 25C
Parameter Reverse voltage (DC) Forward current (DC) Junction temperature Storage temperature Symbol VR IF Tj Tstg Rating 12 20 150 -55 to +150 Unit V C C
5
0.15 max. 0.70.1
0 to 0.01
mA
0.15 min.
1 0.80.1
Marking Symbol: F
s Electrical Characteristics Ta = 25C
Parameter Reverse current (DC) Diode capacitance Symbol IR CD(1V) CD(2V) CD(4V) CD(10V) Capacitance ratio Series resistance * CD(1V)/CD(4V) CD(2V)/CD(10V) rD CD = 9 pF, f = 470 MHz VR = 12 V VR = 1 V, f = 1 MHz VR = 2 V, f = 1 MHz VR = 4 V, f = 1 MHz VR = 10 V, f = 1 MHz 17.0 14.0 10.0 5.5 1.53 2.25 6.0 1.6 2.5 0.18 15.0 Conditions Min Typ Max 10 20.0 16.0 12.4 6.5 1.83 2.75 0.22 Unit nA pF
Note) 1. Rated input/output frequency: 470 MHz 2. * : Measuring instrument; YHP MODEL 4191A RF IMPEDANCE ANALYZER
5
1: Anode 2: Cathode SSMini2-F2 Package
0.15 min.
Publication date: April 2002
SKD00006BED
1
MA2S331
I F VF
120 25C 100
CD VR
f = 1 MHz Ta = 25C
1.04 f = 1 MHz
CD Ta
VR = 1 V 1.03 2V 4V 1.01 10 V
100
50
Diode capacitance CD (pF)
Forward current IF (mA)
60
10
40
5 3 2
CD (Ta) CD (Ta = 25C)
0 4 8 12 16 20 24 28 32 36 40
80
Ta = 60C
-40C
30 20
1.02
1.00
20
0.99
0 0 0.2 0.4 0.6 0.8 1.0 1.2
1
0.98 0 20 40 60 80 100
Forward voltage VF (V)
Reverse voltage VR (V)
Ambient temperature Ta (C)
IR T a
1 000 VR = 10 V
Reverse current IR (nA)
100
10
1
0.1 0 20 40 60 80 100 120 140 160
Ambient temperature Ta (C)
2
SKD00006BED
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(1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: * Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. * Any applications other than the standard applications intended. (4) The products and product specifications described in this material are subject to change without notice for reasons of modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the guaranteed values, in particular those of maximum rating, the range of operating power supply voltage and heat radiation characteristics. Otherwise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, redundant design is recommended, so that such equipment may not violate relevant laws or regulations because of the function of our products. (6) When using products for which dry packing is required, observe the conditions (including shelf life and after-unpacking standby time) agreed upon when specification sheets are individually exchanged. (7) No part of this material may be reprinted or reproduced by any means without written permission from our company.
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A. These materials are intended as a reference to assist customers with the selection of Panasonic semiconductor products best suited to their applications. Due to modification or other reasons, any information contained in this material, such as available product types, technical data, and so on, is subject to change without notice. Customers are advised to contact our semiconductor sales office and obtain the latest information before starting precise technical research and/or purchasing activities. B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may appear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited.
2001 MAR

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