Superior Electrotech Enterprises - Resistors

Superior Electrotech Enterprises

Supplier of all types of Resistors

Through Hole Resistors

Carbon Film Resistor - CFR Resistor
Metal Film Resistor - MFR Resistor
Metal Oxide Film Resistor - MOR Resistor
Fusible Resistors

Metal Glaze Resistors
Silicon Coated Fusible Resistors
Non Inductive High Voltage Resistors

Dynamic Braking Resistors

Features:

CE Approved Product
Aluminium heat sink housing
Complete welded construction
Available in non-inductive style (type AL-N)
Wattage from 5 Watts to 5000 Watts
RoHS Compliant directive 2002/95/EC

Technical Specification:

Resistance Range: 0.1Ώ~1KΏ
Resistance tolerance: ±1% ~ ±5%
Temperature coefficient: < 200 ppm/°C
Maximum dissipation @ 25°C: 5W ~ 10000W
Maximum permissible voltage: √P X R
Insulation resistance: 103 MΏ at 500 V dc

Material Specification:

Element: Copper-nickel alloy or nickel-chrome alloy or fecral depending on resistance value
Core: Ceramic, steatite or alumina, depending on physical size
Encapsulate: Silicone cement construction
Housing: Aluminium with hard anodic coating (optional) golden/ silver.
Standard Terminals: Tinned copper wire/SS tag terminal

Wire Wound Resistors

Features:

Widest range in the industry.
High performance for low cost.
High-temperature flame proof silicon coating.
Tolerance to ± 5%, ± 10%, ±1% (available on request)
Better tolerance available on request.
Custom sizes and terminations available.
Low Tolerance upto ±0.25% on request can be provided
RoHS Compliant directive 2002/95/EC
Lead (Pb)-free solder contacts.

Technical Specification:

Resistance tolerance: ± 1, ±10%.
Temperature coefficient: < 200 ppm/°C
Maximum dissipation: 3W ~ 2000W
Maximum permissible voltage: √P X R
Operating temperature range: -55° ~ 350°C

Material Specification:

Element: Copper-nickel alloy or nickel-chrome alloy or fecral depending on resistance value
Core: Ceramic, steatite or alumina, depending on physical size
Encapsulate: Silicone cement construction
Housing: Aluminium with hard anodic coating (optional) golden/ silver.
Standard Terminals: Tinned copper wire/SS tag terminal

Water Cooled Resistors

Features:

Direct cooling with or without heat sink
Mounting arrangement available as customer need
Inductive & Non-Inductive Types Also Available
70% Heat Dissipation in Water
Low Surface Temperature
50% Size Reduction Compare to Air Cool
Water Connection as Per Customer Need
Low Temperature Coefficient for Better Stability
Multi Range Available

Technical Specification:

Ohmic Range: 1E ~ 10K
Tolerance: Available on Request
Dielectric Voltage: 4KV & 6KV
Surface Temperature: 200°C@40°C Ambient (Depends on Insulation Level) with Water circulation of 15Ltr/Min.
Derate to Zero: At 350°C Ambient

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