Overview
The Dale KS-20344 is a metal-clad wirewound power resistor designed for industrial and commercial applications requiring reliable load dissipation. Operating at 1kΩ resistance with a 25W continuous power rating, this Vishay Dale component is manufactured with a durable aluminum metal-clad housing for superior heat dissipation and mechanical durability. The pack of 30 units offers cost-effective inventory management for equipment maintenance, field service, or production assembly lines.
Key Features
- Metal-clad aluminum housing for improved thermal performance and heat transfer
- Wirewound construction using nichrome wire for stable resistance across temperature variations
- 1kΩ ±10% tolerance resistance value suitable for standard industrial control circuits
- 25W continuous power dissipation rating at standard operating conditions
- Axial lead configuration for universal PCB and breadboard compatibility
- Bulk pack of 30 units for economical stocking and frequent replacement applications
Technical Specifications
- Manufacturer: Vishay Dale (part of Vishay Intertechnology)
- Part Number: KS-20344
- Resistance Value: 1kΩ (1000Ω)
- Power Rating: 25W continuous (at 25°C ambient)
- Tolerance: ±10% (typical for Dale industrial series)
- Construction Type: Wirewound, metal-clad
- Housing Material: Aluminum with insulating layer
- Lead Type: Tinned axial leads (0.6–0.8 mm diameter)
- Operating Temperature Range: −55°C to +250°C typical
- Packaging: Bulk pack, 30 units
- Standard Compliance: RoHS compliant (typical for current production)
Typical Applications
- Motor Control Circuits: Load resistors in soft-starters and VFD braking modules
- Voltage Regulation: Ballast and current-limiting resistors in power supplies
- Test & Measurement: Load banks, power dissipation testing, and equipment commissioning
- Industrial Equipment: Heating elements, rheostat circuits, and transient suppression networks
- Field Service: Replacement components for existing panel repairs and retrofits
Compatibility & Replacements
Compatible With
- Allen-Bradley PowerFlex and Micro drives (VFD braking resistor modules)
- Siemens SINAMICS VFD regenerative resistor networks
- Mitsubishi FR-E700 and FR-A700 frequency converters
- Schneider Electric Altivar and Telemecanique variable frequency drives
- General-purpose motor soft-starters and load control circuits
- Industrial power supplies and uninterruptible power supply (UPS) systems
Replaces / Drop-In Replacement For
- Dale HS-25 series (1kΩ 25W wirewound resistors)
- Vishay Draloric metal-clad wirewound resistors in equivalent ratings
- Ohmite military-grade resistor equivalents (non-MIL surplus applications)
- Verify your specific OEM equipment manual for exact part number cross-reference
Works With
- Communication Standards: Not applicable (passive resistive component)
- Design Platforms: SPICE simulation, CAD schematic libraries, and technical documentation
- Industrial Ecosystems: VFD regenerative braking modules, renewable energy inverters, and hybrid power systems
- Testing Equipment: Load banks, power quality analyzers, and thermal imaging systems for heat dissipation verification
