Resistor
From Wikipedia, the free encyclopedia
| Resistor | |
|---|---|
 Three resistors | |
| Type | Passive |
| Electronic symbol | |
 (Europe) (US) | |
A resistor is a two-terminal electronic component that produces a voltage across its terminals that is proportional to the electric current passing through it in accordance with Ohm's law:
- V = IR
Resistors are elements of electrical networks and electronic circuits and are ubiquitous in most electronic equipment. Practical resistors can be made of various compounds and films, as well as resistance wire (wire made of a high-resistivity alloy, such as nickel/chrome).
The primary characteristics of a resistor are the resistance, the tolerance, maximum working voltage and the power rating. Other characteristics include temperature coefficient, noise, andinductance. Less well-known is critical resistance, the value below which power dissipation limits the maximum permitted current flow, and above which the limit is applied voltage. Critical resistance is determined by the design, materials and dimensions of the resistor.
Resistors can be integrated into hybrid and printed circuits, as well as integrated circuits. Size, and position of leads (or terminals) are relevant to equipment designers; resistors must be physically large enough not to overheat when dissipating their power.
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Products Directory > Electronics & Electrical > Passive Devices >
Wire Wound Resistors
Products - 66
Wire Wound Resistors | Displaying 1-35 of Total 35 Products Found |
Products
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- Supplier Information
Our clients can avail from us, a flame proof gamut of wire wound resistors - CCT series that find wide application in the electrical industry. These resistors are offered to our clients with a choice of PCB terminal stand-off height which is adaptable to wave soldering. The specifications and other technical data of our CCT series are as under: • 3W to 20W • E to 10K Dimensions (in mm) more...
- Cermet Resistronics Pvt. Ltd., India
A electrical resistors is a two-terminal electronic component designed to oppose an electric current by producing a voltage drop between its terminals in proportion to the current, that is, in accordance with Ohm's law: V = IR. The resistance R is equals to the voltage drop V across the resistor divided by the current I through the resistor.
The various types of electrical resistors are:
more...- Sheth Electronics
Features more...
- Neotroniks Pvt. Ltd.
CSIA series is a high grade Ni-Cr wire wound element on ceramic core, coated with non-corrosive high insulating flame retardant material.Aryton-Perry winding ensures low inductance. CCA series is encased in Ceramic cases suitable for printed circuit board mounting.
CCV series is a vertical mounting ceramic stand off for space savings on PCB's.
CCT series is a terminal stand-off height which are adaptable to wave soldering.
CVF series is a Low inductance Ni-Cr ribbon element encased in a slim ceramic case.more...- Cermet Resistronics Private Limited
We offer ISO 9001 certified, fixed wire wound resistors that is widely used in various electrical industries. Our range is offered in radial and axial type, silicon coated and ceramic type. Our fixed wire wound resistors are available in:
Power Ceramic Encased (SQP):
more...- Isha Agencies
CAH series is a professional grade Aluminum housed wire wound resistors with a screw mounted chassis to enhance heat sink effect & complete environmental protection. Non-inductive type, very low ohmic values are also available.
- Cermet Resistronics Private Limited
We are offering our clients a wide range of High Wattage Wire Wound Resistors. These wire wound variable resistor are fitted in various circuits of electrical appliances and are appreciated for their striking features like ability to withstand temperatures and varying voltages. Some of the specifications are:
Specifications:
more...- Neotroniks Pvt. Ltd.
We have in store for our clients, a wide range of wire wound resistors - CVF series that is encased in slim ceramic case and provided with NCR ribbon element. Available in customized values and test parameters as per customer specifications, our CVF series hold the following features and technical specifications: • Super heat dissipation • Lower temperature co-efficient • Low inductance • Flame proof & non combustibles • Standard tolerance: 5% Dimensions (in mm)more...
- Cermet Resistronics Pvt. Ltd., India
We are committed to offer our clients High Wattage Wire Wound Resistors. These resistors are used in a variety of industrial applications and are connected to circuits of high-end electric components. Moreover, the resistors can withstand voltages and fluctuating current supply with ease.
Some of the important specifications of the resistors are given below:
more...- Neotroniks Pvt. Ltd.
CSFR series is a high power wire wound industrial grade resistors up to 1200 W. Most suitable for load bank, high stabilty, flame proof silicon coated. Non Inductive. Custom built mounting brackets are available. Multi- terminal types and adjustable types are also available.
- Cermet Resistronics Private Limited
We bring forth for our clients, a professional grade range of aluminum housed wire wound resistors – CAH series that provide complete environmental protection in its application. These resistors are provided with screw mounted chassis for enhancing the heat sink effect and low temperature coefficient for better stability. Available in the standard tolerance of 1 %, 2% and 5%, these aluminum housed wire wound resistors are offered to our clients in the following specifications: Dimensions (in mm) more...
- Cermet Resistronics Pvt. Ltd., India
We have come up with an economical grade of wire wound resistors - CCV Series that are specially designed for space saving on PCB’s. These resistors are constructed to vertical mounting ceramic stand offs and thus deliver high power. The specifications of these wire wound resistors are as follows: Dimensions (in mm) more...
- Cermet Resistronics Pvt. Ltd., India
We are instrumental in offering our clients, quality Low Wattage Wire Wound Resistor. These are used in a variety of industrial applications are ideal for Direct PCB mounting. Moreover, these are capable of withstanding fluctuating voltages and varying temperatures as well as offers protection to the circuits of appliances.
Specifications:
more...- Neotroniks Pvt. Ltd.
We offer wire wound resistors in RE-F series. Silicon coated, these are available in between 10 watt to 100 watt and tolerance levels between ±1% to ±10%.
Specifications:
• 10 W to 100 W
• Range :0.01Ω to 20KΩ
• Tolerance : ±1% to ±10%
• Oval Type Silicon Coated- Reckon Electronics
We offer a wide range of resistors and capacitors that is designed by our vendors as per the requirements of clients. Being technically advanced, these resistors and capacitors offer better resistance even during harsh conditions. Depending upon the requirements of our clients, we offer these resistors and capacitors in various sizes and dimensions.
Resistors : more...- Anand Industrial Components
We offer wire wound resistors in REC-G series. Radial type silicon coated, these are available in between 3 watt to 10 watt and tolerance levels between ±5% to ±10%.
Specifications:
• 3 Watt to 10 Watt.
• Range :0.01Ω to 20KΩ
• Tolerance : ±5% to ±10%
• Radial Type Silicon Coated- Reckon Electronics
We offer wire wound resistors in REC-J series. Coming in boat type radial tags, these are available in between 5 watt to 20 watt and tolerance levels between ±1% to ±10%.
Specifications:
• 5 Watt to 20 Watt
• Range :0.01Ω to 30KΩ
• Tolerance : ±1% to ±10%
• Ceramic Cased
• Boat Type Radial Tags- Reckon Electronics
We offer wire wound resistors in REC-D series. Silicon coated, these are available in between 10 watt to 1000 watt and tolerance levels between ±1% to ±10%.
Specifications:
• 10 Watt to 1000 Watt
• Range: 0.01Ω to 100KΩ
• Tolerance : ±1% to ±10% Silicon Coated- Reckon Electronics
We are into the manufacturing of superior quality Coated Wire Wound Resistors which are used to wind the resistance wire on alkali-less ceramic core coated with non-corrosive and high insulating heat proof material. Features : • Super heat dissipation • 0.50 W to 5.0 W • Range 0.1 to 470 • Tolerance 2% & 5% • Grey body color • Excellent flame resistance • Small linear temperature coefficient • Instant overload capability • Low noise figure without annual shift on resistance value more...
- Kaytron Components Private Limited
Application Closed Circuit area cooling with compact design using cooling water. more...
- Gei Industrial Systems Limited
CAH series of Housed Wire Wound Resistorsis a professional grade Aluminum Housed Wire Would Resistors with a screw mounted chassis to enhance heat sink effect & complete environmental protection. Customers are eased with the availability of the Non Inductive Type, Very Low Ohmic Values in the array of Aluminum Housed Wire-Wound Resistors. Additionally, we are renowned as one of the prime High Wattage Wire Wound Resistors Manufacturers in India.more...
- Cermet Resistronics Pvt. Ltd
4 10 W to 500 W·
4 Range 0.01W to 100kW
4 Tolerance 1% to 10%
4 Silicone Coated
4 With taps and adjustable
4 With mounting Hardware
4 Available in bank inIP enclosure. more...- Variturn Electro Products Private Limited
Tolerant Wire Wound Resistors more...
- Prabha Resistronics Company
We manufacture heavy-duty industrial resistors by "HEC" Resistor manufacturers, India. These resistors come in various shapes like Round, Flat and Oval Tube and are silicon coated or Viterous enameled. We use high quality Ceramic tubes with high insulation grade that is tough in strength and consistent in uniformity. When these tubes selected wires (Oxidised or Bright) are wounded to reach the required ohmic value within the tolerance and connected to the terminals on both the sides by using spot welding, brassing, soldering or screwing techniques, then insulation coating is applied and is cured using high temperature ovens. Mounting arrangements are also given as per customer specifications. These Resistors are been used in various Industrial applications & Control panels, etc. In these types of Resistors, the size varies from min size of l2mm L * 6mm Dia to the max size of 216 mmL * 28mm. Dia. more...
- Hindustan Electronic Components
specific name: fechral wire wound flat type element
this type of wire wound element has a white zinc plated m. S. Flat with dimensions 300x100x2. 5mm. Grooved insulators is fixed on both sides of the former. Fechral wire is wound closely on the grooves. Lug terminals are provided on both ends of the former. Lug terminals are also provided in between end terminals to serve the purpose of tapping. Some of the features are: more...- Resistors India Mfg. Co.
We offer high quality 0. 1ohm 3w 5% wirewound resistor more...
- Visha Electronics Corporation
The resistors are a two terminal electrical and electronic component which resists an electric current by producing a voltage drop. We offer a wide range of resistors (CFR/MFR/Wire Wound) to our clients which are specially imported from the most famous manufacturers in the market. These products follow all the international standards like ERTL, NPL and ISO, which make them highly performance oriented and useful for our clientèle.
Application: In the circuits of many electrical and electronic devices like T.V, Radio etc.more...- Super Sales India, Delhi
VEPL make WWR of various power ratings from 2W to 500W. Also our Principals offer Import substitution Resitors and custom design Products
- Navatek Systems
Ceramic Cased Resistors more...
- Prabha Resistronics Company
4 5 W to 20 W·
4 Range 0.1W to 56kW
4 Tolerance 1% to 10%
4 Ceramic cased
4 Axial Leads more...- Variturn Electro Products Private Limited
We are a leading name in supply of Power Wire Wound Resistors, which offer low cost and higher durability to clients. These resistors have got varied number of features and are available in a wide range starting from 0.01 to 100K. Features : • 10 W to 200 W • Small in size but capable of carrying high power load • Unchanged resistance value even after long use • Good resistivity to short time overload more...
- Kaytron Components Private Limited
Radial Leads Resistors more...
- Prabha Resistronics Company
4 5 W to 40 W·
4 Range 1W to 33kW
4 Tolerance 1% to 10%
4 Ceramic & Metal cased
4 Radial Tags & lugs with flying leads more...- Variturn Electro Products Private Limited
Oval Type Resistors more...
- Prabha Resistronics Company
4 4 W to 11 W· 4 Range 1W to 15kW 4 Tolerance 1% to 10% 4 Ceramic cased 4 Radial Leads 4 With mounting brackets
- Variturn Electro Products Private Limited
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Metal film
A common type of axial resistor today is referred to as a metal-film resistor. Metal electrode leadless face (MELF) resistors often use the same technology, but are a cylindrically shaped resistor designed for surface mounting. Note that other types of resistors (e.g., carbon composition) are also available in MELF packages.
Metal film resistors are usually coated with nickel chromium (NiCr), but might be coated with any of the cermet materials listed above for thin film resistors. Unlike thin film resistors, the material may be applied using different techniques than sputtering (though that is one such technique). Also, unlike thin-film resistors, the resistance value is determined by cutting a helix through the coating rather than by etching. (This is similar to the way carbon resistors are made.) The result is a reasonable tolerance (0.5, 1, or 2%) and a temperature coefficient that is generally between 50 and 100 ppm/K.[4]. Metal film resistors process good noise characteristics and low non-linearity. Also beneficial are the components efficient tolerance, temperature coefficient and stability[1].
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