myMectronic
myMectronic

A Premier B2B Part Search

Ohmite E300KR50E Vitreous Enamel Power Resistor

OHMITE's 280 Series Corrib power resistors are engineered for applications requiring high currents at very low resistance values. Constructed with corrugated resistive wire and a protective vitreous enamel coating, these resistors offer exceptional durability and cooling efficiency. They are particularly well-suited for motor starting, dynamic braking, and other applications involving frequent start-stop cycles. Available in fixed and adjustable configurations, the E300KR50E model provides a reliable solution for demanding power management needs. RoHS compliant options are available.

Authorized Distributors
Source:Newark
Part No:E300KR50E
Stock:47
Inv Date:06-01-2026
Price: Unit price: $110.39
Buy/RFQ:
Source:DigiKey
Part No:E300KR50E
Stock:8
Inv Date:06-01-2026
Price: Unit price: $94.81
Buy/RFQ:
Source:DigiKey
Part No:E300KR50E
Stock:47
Inv Date:06-01-2026
Price: Unit price: $79.82
Buy/RFQ:
Part No:E300KR50E
Stock:1
Inv Date:06-02-2026
Price: Unit price: $86.64
Buy/RFQ:
Part No:E300KR50E
Stock:1
Inv Date:06-01-2026
Price: Unit price: $97.42
Buy/RFQ:
Part No:E300KR50E
Stock:47
Inv Date:06-01-2026
Price: Unit price: $69.32
Buy/RFQ:
Part No:E300KR50E
Stock:47
Inv Date:06-01-2026
Price: Unit price: $69.32
Buy/RFQ:

Ohmite E300KR50E Vitreous Enamel Power Resistor Specifications:

  • Coating: Lead-free vitreous enamel (except for low resistance and large models, which are silicone ceramic)
  • Core: Tubular Ceramic
  • Terminals: Tinned lug with hole (RoHS solder composition: 96% Sn, 3.5% Ag, 0.5% Cu)
  • Adjustable Lug: Supplied with adjustable 300W models (Part No. 1974-A or 1974-B)
  • Resistance: Max. 63Ω for 300W version
  • Tolerance: ±10% (K)
  • Power Rating: Based on 25°C free air rating
  • Derating: Linearly from 100% @ +25°C to 0% @ +400°C
  • Overload: 10 times rated wattage for 5 seconds
  • Temperature Coefficient: ±400 ppm/°C
  • Dielectric Withstanding Voltage: 1000 VAC (terminal to mounting bracket)
  • Max Amps Calculation: √P/R
  • Mounting: {'Slotted': '6110-81/2', 'Elongated': '6126-P-81/2', 'Resistors': '6127-P-81/2', 'Derat': '6128-P-81/2', 'Percentage': '80'}
  • Lugs for 300 Watt: Includes two each bracket, bolt, washers (centering, mica, lock) and nut. Single unit mounting contains one each bolt and nut; two each all washers.

Buy the E300KR50E OHMITE Vitreous Enamel Power Resistor | myMectronic

Purchase the OHMITE E300KR50E securely and efficiently for your industrial applications.

Buy Now

Frequently Asked Questions

Where can I buy Ohmite E300KR50E?

You can click on the BUY or RFQ button to purchase E300KR50E from an authorized Ohmite distributor.

How do I troubleshoot issues or seek technical support for part E300KR50E?

You can download the E300KR50E datasheet or visit the Ohmite website for support.

Who is the manufacturer of E300KR50E?

Ohmite

Ohmite Part List

Browse and search other Ohmite parts, locate datasheets and stock

Sponsored by