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HITECH ELECTROCOMPONENTS PVT. LTD.
GST : 29AACCH1761N1Z8

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LR11 (Radial) - 15 Watts - 500 Watts

Name: LR11 (Radial) - 15 Watts - 500 Watts
Brand: HITECH ELECTROCOMPONENTS PVT. LTD.

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MOQ : 250 Pieces

LR11 (Radial) - 15 Watts - 500 Watts Specification

Thermal Conductivity
Excellent for dissipation

Output
Resistive load

Usage
Industrial, Laboratory, Electronics

Power Supply
AC/DC compatible

Response Time
Instantaneous

Components
Ceramic core, wire winding, terminals

Interface
Radial terminals

Input
Voltage/Current per application

Power Source
Electric

Features
High temperature stability, robust construction, low noise

Operating Temperature
-55C to +200C

IP Rating
IP20

Product Type
Wirewound Resistor

Application
Power electronics, test benches, motor drives

Rated Voltage
Up to 500 V

Supply Voltage
15 W to 500 W

Size
Model-dependent

Dimension (L*W*H)
Customization available

Function
Electrical resistor for current limiting and voltage regulation

Color
Ceramic body, wirewound core (grey/white)

Weight
Varies by model

Current Rating
Ranges per wattage

Capacity
15 W to 500 W

Thickness
Standard radial design

Frequency
50/60 Hz

About LR11 (Radial) - 15 Watts - 500 Watts

High Wattage Wire Wound Resistors

Features

Varnish Coated

Resistance Wire

Copper Nickel alloy for low and medium values
Nickel Chromium alloy for high values

Coating Glossy varnish, Class F, grey colour

Leads - Radial,Copper Wires,Solder Plated.
Construction - Tubular With central hole stud insert moulded plastic end caps
Markings - El-Ci-Ar logo, Resistance value, tolerance, attage
Resistor Tolerance - 10% (K), 5% (J)
Breakdown Voltage >= 500V (b/w leads & body)
Temperature Coefficient - Better than + 150 ppm / oC.
Temperature Severity from - 40oC to + 200oC
Endurance - Change in value < 3% after 1000 hours at 70oC, full load
Humidity - Change in value < 1.5% after 1000 hours at 40oC, 90-95% RH

Application

For a variety of Industrial Applications

Watt W	Resistance Range	D1 +/- 1.5	D2 +/- 2.5	D3 +/- 0.1	D4 +/- 1.5	L1 +/- 2.5	L2 +/- 2.0	L3 +/- 1.0	L4 +/- 2.0	Avg t gms
5	0.1 - 5 K	12	10	0.8	4	25	20	-	-	3.0
10	0.2 - 10 K	9	6	0.8	5	45	15	-	-	8.0
20	2 - 15 K	11	7	0.8	9	60	20	7	18	24.0
25	5 - 20 K	18	16	3.2	9	75	65	7	18	28
30	10 - 25 K	20	18	3.2	11	75	65	7	18	40
40	10 - 25 K	28	25	3.2	15	77	65	7	18	70
50	10 - 40 K	28	25	3.2	15	95	85	7	18	85
75	10 - 50 K	32	30	3.2	20	115	100	7	18	120
100	20 - 70 K	32	30	3.2	20	150	130	7	18	160
120	20 - 70 K	32	30	3.2	20	165	145	7	18	180
150	20 - 100 K	32	30	3.2	20	200	180	7	18	240
200	50 - 100 K	32	30	3.2	20	250	230	7	18	275
200	50 - 100 K	52	50	5.0	38	175	145	12	25	400
250	50 - 100 K	52	50	5.0	38	200	170	12	25	470
300	75 - 100 K	52	50	5.0	38	250	220	12	25	620

Efficient Power Handling and Versatility

With a power handling capability ranging from 15W to 500W, the LR11 radial resistor can smoothly function in many demanding environments. Its broad resistance range, AC/DC compatibility, and options for custom ratings offer adaptability for a variety of electronic, industrial, and laboratory circuits.

Superior Construction and Safety Standards

Constructed using a high-grade ceramic body and high-conductivity wire winding, this component ensures reliability, robust thermal conductivity, and long operational life. Meeting UL94-V0 fire safety and IEC 60115 standards, it is designed for safety and compliance in professional applications.

FAQs of LR11 (Radial) - 15 Watts - 500 Watts:

Q: How is the LR11 (Radial) resistor typically installed in an application?

A: The LR11 (Radial) resistor features radial leaded terminals made of tinned copper, making it easy to mount onto printed circuit boards or other electronic assemblies by inserting the leads through holes and soldering them in place.

Q: What are the primary uses and applications of the LR11 wire wound resistor?

A: This resistor is primarily used for current limiting, voltage regulation, and as a resistive load in power electronics, test benches, motor drives, and industrial and laboratory equipment due to its high reliability and stable performance.

Q: When should I request a custom rating for my resistor?

A: Custom ratings are recommended when your application requires specific resistance values, dimensions, or power handling outside the standard offerings. Customization ensures the resistor meets unique circuit or installation needs.

Q: Where can these resistors be utilized, considering environmental and safety requirements?

A: LR11 resistors are suitable for environments with ambient humidity up to 95% RH and temperatures from -55C to +200C. Their UL94-V0 fire safety rating and IP20 protection make them reliable for safe operation in industrial, laboratory, and electronics settings.

Q: What benefits does the high-grade ceramic body provide?

A: A high-grade ceramic body improves thermal conductivity, ensures excellent heat dissipation, and enhances the resistors durability, resulting in reliable long-term operation even under high-stress conditions.

Q: How does the LR11 resistor respond to changes in load or frequency?

A: Thanks to its low noise, high temperature stability, and instantaneous response time, the LR11 performs efficiently over 50/60 Hz frequencies and can handle sudden changes in load as specified in its datasheet.

Q: What steps should I follow to select the right LR11 model for my application?

A: Start by determining your required resistance, power, and voltage ratings, then refer to the LR11 datasheet for compatible models. For special requirements, contact the manufacturer or distributor to discuss customization options.