WO2004021378A1 - Electrical component with impedance and resistor - Google Patents

Electrical component with impedance and resistor Download PDF

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Publication number
WO2004021378A1
WO2004021378A1 PCT/NL2002/000570 NL0200570W WO2004021378A1 WO 2004021378 A1 WO2004021378 A1 WO 2004021378A1 NL 0200570 W NL0200570 W NL 0200570W WO 2004021378 A1 WO2004021378 A1 WO 2004021378A1
Authority
WO
WIPO (PCT)
Prior art keywords
resistor
electrical component
connection leads
capacitor
impedance
Prior art date
Application number
PCT/NL2002/000570
Other languages
French (fr)
Other versions
WO2004021378A8 (en
Inventor
Geert Stevens
Johan Verleysen
Patriek Goethals
Original Assignee
Bc Components Holdings B.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bc Components Holdings B.V. filed Critical Bc Components Holdings B.V.
Priority to PCT/NL2002/000570 priority Critical patent/WO2004021378A1/en
Priority to AU2002328074A priority patent/AU2002328074A1/en
Priority to TW092123527A priority patent/TW200403923A/en
Publication of WO2004021378A1 publication Critical patent/WO2004021378A1/en
Publication of WO2004021378A8 publication Critical patent/WO2004021378A8/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C13/00—Resistors not provided for elsewhere
    • H01C13/02—Structural combinations of resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
    • H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
    • H01L27/0802—Resistors only

Definitions

  • the present invention relates to an electrical component having at least two connection leads and comprising an impedance cell electrically connected between two of the at least two connection leads, and a resistor.
  • an electronic circuit may comprise a capacitor or inductor and resistor in a parallel configuration using two separate components. Furthermore it is known to include a resistor element in the housing or encapsulation of a capacitor or inductor cell.
  • resistor element in the housing or encapsulation of a capacitor or inductor cell.
  • the present invention seeks to provide an electrical component having an impedance cell and a resistor which is more cost and space effective than known solutions, and which is also easy to manufacture.
  • an electrical component according to the preamble in which the electrical component further comprises resistive material and the resistor comprises at least part of the resistive material, the resistor being electrically connected between two or more of the at least two connection leads.
  • the impedance cell may be a capacitor or an inductor.
  • the present invention allows to manufacture smaller and cheaper electrical components having a capacitor or inductor and a resistor.
  • the resistor is connected between two connection leads in parallel or in series with the impedance cell.
  • This embodiment may be advantageously used in electronic circuits which require a parallel or series connection of a capacitor or inductor and a resistor.
  • the resistive material may comprise a potting compound for the encapsulation of the impedance cell in a further embodiment.
  • a potting compound is normally used in the manufacturing process of capacitors or inductors, and allows for the very cost- effective manufacture of electrical components having a capacitor and resistor.
  • the resistive material comprises a protecting lacquer used for protection of the electrical component.
  • such a material is already normally used in the manufacturing process, and allows for a very cost-efficient and space-efficient electrical component.
  • Fig. 3 shows a schematic diagram of a third embodiment of an electrical component according to the present invention.
  • Fig. 4 shows a schematic diagram of a fourth embodiment of an electrical component according to the present invention.
  • FIG. 1 A schematic diagram of a first embodiment of an electrical component 1 according to the present invention is shown in Fig. 1.
  • the electrical component 1 comprises a capacitor cell or capacitor 2 and a resistor 3, which are connected in parallel.
  • a capacitor cell or capacitor 2 and a resistor 3, which are connected in parallel.
  • another impedance cell such as an inductor may be used in this embodiment and the further embodiments described below.
  • the electrical component 1 has two connection leads 4, 5, which are electrically connected to the capacitor 2 (and resistor 3).
  • This electrical component 1 may be advantageously used in numerous electrical circuits which require a parallel circuit of a capacitor and a resistor.
  • the resistor 3 is formed by a material or substance which has a certain predefined resistivity ( ⁇ ) or conductivity (S), and which replaces partly or totally the isolating material or substance already present in a normal capacitor element. This allows to manufacture an electrical component 1 with a capacitor 2 and a resistor 3 in a very efficient and cost-effective manner.
  • the resistive material may e.g. be a potting compound which is used for encapsulation of the capacitor cell 2. Depending on the resistive properties of the potting compound, all or part of the potting compound may be used to form a resistor 3 between the connection leads 4, 5.
  • the composition of the potting compound may be adapted to obtain a desired resistor value, e.g. by adding further substances.
  • the resistive material is formed by a protecting lacquer which is used to protect the electrical component 1, e.g. at the outside of the encapsulation.
  • the material characteristics of the protecting lacquer may be adapted for obtaining a resistor 3 with a given value between the connection leads 4, 5. If necessary, the electrical component 1 may then be provided with an additional, electrically insulating protection layer (not shown).
  • a second embodiment of the electrical component 1 is shown, having three connection leads 4, 5 and 6.
  • the capacitor 2 is now electrically connected to the connection leads 4, 5 and the resistor 3 is electrically connected to the connection leads 4 and 6.
  • FIG. 3 A third embodiment of the present electrical component is shown in Fig. 3. This embodiment allows an even more flexible application of the electrical component 1 in electrical circuits, as the resistor 3 is now electrically connected to two connection leads 6, 7, completely independent from the connection leads 4, 5 of the capacitor 2.
  • Fig. 4 a further example of the preset electrical component 1 is shown, in which the electrical component 1 comprises two resistors 3, 9 and a capacitor 2, in which the capacitor is electrically connected to connection leads 4 and 5, the first resistor 3 is electrically connected to connection leads 4 and 6, and the second resistor 9 is electrically connected between connection leads 5 and 8.
  • the present electrical component 1 is possible, using a larger number of capacitors 2, resistors 3, and/or connection leads 4-8, in other configurations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Non-Adjustable Resistors (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Details Of Resistors (AREA)
  • Thermistors And Varistors (AREA)

Abstract

Electrical component (1) having two connection leads (4-8) and comprising an impedance cell (2) electrically connected between the two connection leads, and a resistor (3). The electrical component (1) further comprises resistive material and the resistor (3) comprises at least part of the resistive material. The resistor (3) is electrically connected between the two connection leads (4-8).

Description

Electrical component with impedance and resistor
The present invention relates to an electrical component having at least two connection leads and comprising an impedance cell electrically connected between two of the at least two connection leads, and a resistor.
In many applications, an electronic circuit may comprise a capacitor or inductor and resistor in a parallel configuration using two separate components. Furthermore it is known to include a resistor element in the housing or encapsulation of a capacitor or inductor cell. However, these known electrical components having an impedance cell and resistor require a lot of space and/or additional manufacturing complexity and cost.
The present invention seeks to provide an electrical component having an impedance cell and a resistor which is more cost and space effective than known solutions, and which is also easy to manufacture. According to the present invention, an electrical component according to the preamble is provided, in which the electrical component further comprises resistive material and the resistor comprises at least part of the resistive material, the resistor being electrically connected between two or more of the at least two connection leads. The impedance cell may be a capacitor or an inductor. The present invention allows to manufacture smaller and cheaper electrical components having a capacitor or inductor and a resistor.
In an embodiment of the present invention, the resistor is connected between two connection leads in parallel or in series with the impedance cell. This embodiment may be advantageously used in electronic circuits which require a parallel or series connection of a capacitor or inductor and a resistor.
The resistive material may comprise a potting compound for the encapsulation of the impedance cell in a further embodiment. Such a potting compound is normally used in the manufacturing process of capacitors or inductors, and allows for the very cost- effective manufacture of electrical components having a capacitor and resistor. Alternatively, the resistive material comprises a protecting lacquer used for protection of the electrical component. Also, in this embodiment, such a material is already normally used in the manufacturing process, and allows for a very cost-efficient and space-efficient electrical component. The present invention will now be explained in more detail using a number of exemplary embodiments, with reference to the accompanying drawings, in which Fig. 1 shows a schematic diagram of a first embodiment of an electrical component according to the present invention; Fig. 2 shows a schematic diagram of a second embodiment of an electrical component according to the present invention;
Fig. 3 shows a schematic diagram of a third embodiment of an electrical component according to the present invention;
Fig. 4 shows a schematic diagram of a fourth embodiment of an electrical component according to the present invention.
A schematic diagram of a first embodiment of an electrical component 1 according to the present invention is shown in Fig. 1. The electrical component 1 comprises a capacitor cell or capacitor 2 and a resistor 3, which are connected in parallel. For the person skilled in the art, it will be clear that in stead of the capacitor cell 2, another impedance cell such as an inductor may be used in this embodiment and the further embodiments described below.
The electrical component 1 has two connection leads 4, 5, which are electrically connected to the capacitor 2 (and resistor 3). This electrical component 1 may be advantageously used in numerous electrical circuits which require a parallel circuit of a capacitor and a resistor.
The resistor 3 is formed by a material or substance which has a certain predefined resistivity (Ω) or conductivity (S), and which replaces partly or totally the isolating material or substance already present in a normal capacitor element. This allows to manufacture an electrical component 1 with a capacitor 2 and a resistor 3 in a very efficient and cost-effective manner.
The resistive material may e.g. be a potting compound which is used for encapsulation of the capacitor cell 2. Depending on the resistive properties of the potting compound, all or part of the potting compound may be used to form a resistor 3 between the connection leads 4, 5. The composition of the potting compound may be adapted to obtain a desired resistor value, e.g. by adding further substances.
Alternatively, the resistive material is formed by a protecting lacquer which is used to protect the electrical component 1, e.g. at the outside of the encapsulation. Also, the material characteristics of the protecting lacquer may be adapted for obtaining a resistor 3 with a given value between the connection leads 4, 5. If necessary, the electrical component 1 may then be provided with an additional, electrically insulating protection layer (not shown).
In Fig. 2, a second embodiment of the electrical component 1 is shown, having three connection leads 4, 5 and 6. The capacitor 2 is now electrically connected to the connection leads 4, 5 and the resistor 3 is electrically connected to the connection leads 4 and 6. This allows to use the electrical component 1 in a different manner in electrical circuits, e.g. as a series connection of the capacitor 2 and resistor 3 between connection leads 5 and 6 or as a parallel circuit of the capacitor 2 and resistor 3 when connecting connection leads 5 and 6, depending on the desired circuit arrangement.
A third embodiment of the present electrical component is shown in Fig. 3. This embodiment allows an even more flexible application of the electrical component 1 in electrical circuits, as the resistor 3 is now electrically connected to two connection leads 6, 7, completely independent from the connection leads 4, 5 of the capacitor 2. h Fig. 4, a further example of the preset electrical component 1 is shown, in which the electrical component 1 comprises two resistors 3, 9 and a capacitor 2, in which the capacitor is electrically connected to connection leads 4 and 5, the first resistor 3 is electrically connected to connection leads 4 and 6, and the second resistor 9 is electrically connected between connection leads 5 and 8. For the person skilled in the art, it will be clear that numerous other variants of the present electrical component 1 are possible, using a larger number of capacitors 2, resistors 3, and/or connection leads 4-8, in other configurations.

Claims

1. Electrical component (1) having at least two connection leads (4-8) and comprising an impedance cell (2) electrically connected between two (4, 5) of the at least two connection leads, and a resistor (3), characterised in that the electrical component (1) further comprises resistive material and the resistor (3) comprises at least part of the resistive material, the resistor (3) being electrically connected between two or more of the at least two connection leads (4-8).
2. Electrical component according to claim 1, in which the impedance cell (2) is a capacitor or an inductor.
3. Electrical component according to claim 1 or 2, in which the resistor (3) is connected between two connection leads (4, 5) in parallel or in series with the impedance cell (2).
4. Electrical component according to claim 1, 2 or 3, in which the resistive material comprises a potting compound for the encapsulation of the impedance cell (2).
5. Electrical component according to claim 1, 2 or 3, in which the resistive material comprises a protecting lacquer used for protection of the electrical component (1).
PCT/NL2002/000570 2002-08-30 2002-08-30 Electrical component with impedance and resistor WO2004021378A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/NL2002/000570 WO2004021378A1 (en) 2002-08-30 2002-08-30 Electrical component with impedance and resistor
AU2002328074A AU2002328074A1 (en) 2002-08-30 2002-08-30 Electrical component with impedance and resistor
TW092123527A TW200403923A (en) 2002-08-30 2003-08-27 Electrical component with impedance and resistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NL2002/000570 WO2004021378A1 (en) 2002-08-30 2002-08-30 Electrical component with impedance and resistor

Publications (2)

Publication Number Publication Date
WO2004021378A1 true WO2004021378A1 (en) 2004-03-11
WO2004021378A8 WO2004021378A8 (en) 2004-04-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2002/000570 WO2004021378A1 (en) 2002-08-30 2002-08-30 Electrical component with impedance and resistor

Country Status (3)

Country Link
AU (1) AU2002328074A1 (en)
TW (1) TW200403923A (en)
WO (1) WO2004021378A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2814153A3 (en) * 2013-05-16 2015-04-01 Rockwell Automation Technologies, Inc. Self-discharging capacitor
RU2594376C1 (en) * 2015-03-18 2016-08-20 Федеральное государственное унитарное предприятие "Крыловский государственный научный центр" Method of capacitors self-discharge time constant measuring
CN106252004A (en) * 2016-07-27 2016-12-21 广东爱晟电子科技有限公司 A kind of novel capacitance-resistance compound chip and manufacture method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3266121A (en) * 1963-02-14 1966-08-16 Illinois Tool Works Method of making a capacitorresistor construction
US3835370A (en) * 1972-03-17 1974-09-10 Siemens Ag Dampened choke coil
US5428885A (en) * 1989-01-14 1995-07-04 Tdk Corporation Method of making a multilayer hybrid circuit
US6137390A (en) * 1999-05-03 2000-10-24 Industrial Technology Research Institute Inductors with minimized EMI effect and the method of manufacturing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3266121A (en) * 1963-02-14 1966-08-16 Illinois Tool Works Method of making a capacitorresistor construction
US3835370A (en) * 1972-03-17 1974-09-10 Siemens Ag Dampened choke coil
US5428885A (en) * 1989-01-14 1995-07-04 Tdk Corporation Method of making a multilayer hybrid circuit
US6137390A (en) * 1999-05-03 2000-10-24 Industrial Technology Research Institute Inductors with minimized EMI effect and the method of manufacturing the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2814153A3 (en) * 2013-05-16 2015-04-01 Rockwell Automation Technologies, Inc. Self-discharging capacitor
RU2594376C1 (en) * 2015-03-18 2016-08-20 Федеральное государственное унитарное предприятие "Крыловский государственный научный центр" Method of capacitors self-discharge time constant measuring
CN106252004A (en) * 2016-07-27 2016-12-21 广东爱晟电子科技有限公司 A kind of novel capacitance-resistance compound chip and manufacture method thereof

Also Published As

Publication number Publication date
WO2004021378A8 (en) 2004-04-22
TW200403923A (en) 2004-03-01
AU2002328074A1 (en) 2004-03-19

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