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RTOP200V28R0FB

SKU: RTOP200V28R0FB

Regular price ₹ 15,958.75
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VISHAY RTOP200V28R0FB Fixed Resistor - 200W Thick Film, Metal Glaze, Chassis Mount

The VISHAY RTOP200V28R0FB is a high-performance fixed resistor designed for demanding power applications. Manufactured by Vishay, this thick film resistor features a metal glaze construction, ensuring excellent stability and reliability under high power conditions.

Product Details:

  • Part Number: RTOP200V28R0FB
  • Manufacturer: VISHAY
  • Country of Origin: CZ
  • Package Type: BOX
  • UOM: EA
  • ECCN: EAR99
  • Product Type: Resistors
  • Product Category: Resistors | Planar Resistors - Chassis Mount

Key Features:

  • High power rating of 200 W for robust performance in power circuits
  • Wide ohmic value range from 0.046 Ω to 1 MΩ
  • Available with 1% tolerance for precise resistance values
  • Non-inductive design minimizes parasitic inductance
  • Easy to mount onto heatsinks with standard V connections (M4 x 6 screws)
  • Low thermal radiation case for efficient heat dissipation

Electrical and Mechanical Specifications:

Model Size Resistance Range (Ω) Rated Power @25°C (W) Tolerance (%) Temperature Coefficient (ppm/°C)
RTOP200 SOT-227B 0.046 to 1 MΩ 200 1, 2, 5, 10 150, 300
RTOP100 SOT-227B 0.091 to 1 MΩ 100 1, 2, 5, 10 150, 300

Environmental and Testing Conditions:

Tests Conditions Requirements
Momentary Overload IEC 60115-1 2.5 Pr/5 s, US < 2 UL < ± (0.25 % + 0.05 Ω)
Rapid Temperature Change IEC 60115-1 5 cycles, -55°C to +125°C < ± (0.25 % + 0.05 Ω)
Load Life IEC 60115-1 Pr at 25°C, 1000 h < ± (0.5 % + 0.05 Ω)
Humidity (Steady State) IEC 60115-1 / IEC 60068-2-3, 56 days, 95% RH / 40°C < ± (0.5 % + 0.05 Ω)

Thermal Management:

  • Maximum operating temperature: +125°C
  • Thermal resistance (per resistor): 0.5 °C/W
  • Dielectric strength: 2500 V, 1 min
  • Insulation resistance: > 10^6 MΩ

Mounting Recommendations:

  • Ensure surfaces in contact are carefully cleaned
  • Use M4 x 6 screws with a tightening torque of 1 Nm
  • Apply silicone grease (e.g., SI 340 or Dow 340) on contact surfaces for optimal thermal conductivity
  • Heatsink surface flatness should be between 0.05 mm and 0.1 mm/100 mm with roughness around 6.3 μm

Datasheet: Download Datasheet

For more technical details, please visit VISHAY.

Note: This product description is based solely on provided data. For comprehensive specifications and application guidance, refer to the datasheet or contact Vishay directly.


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