Ohmite HS50 2K5 F Equivalent & Substitute Parts

Part Overview

The Ohmite HS50 2K5 F is a 50-watt wirewound chassis mount resistor with a resistance value of 2.5 kOhms and ±1% tolerance. This component is designed for applications requiring high power dissipation with precision resistance values. The part is currently in active production status with 1,088 units available in inventory. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the allowed parameter range for this resistor category.

Substiute Parts

HS50 2K5 F
OhmiteIn Stock: 1108HS50 2K5 F Datasheet
HS50 2K5 F
Current Part
850F2K5E
OhmiteIn Stock: 1043850F2K5E Datasheet
850F2K5E
Direct

Key Parameters

Parameter Value
Resistance 2.5 kOhms
Tolerance ±1%
Power Rating 50W
Composition Wirewound
Mounting Feature Flanges
Lead Style Solder Lugs
Housing Type Aluminum
RoHS Status RoHS Compliant

Substitute Part Grouping Explanation

The Ohmite 850F2K5E qualifies as a direct substitute for the HS50 2K5 F based on the following critical parameters:

  • Identical resistance value: 2.5 kOhms
  • Identical tolerance: ±1%
  • Identical power rating: 50W
  • Identical composition: Wirewound
  • Identical mounting feature: Flanges with solder lugs
  • Identical housing material: Aluminum
  • Both parts maintain RoHS compliance (HS50 2K5 F: RoHS Compliant; 850F2K5E: ROHS3 Compliant)
  • Both parts are active production status

Substitution is valid when the application requirements do not exceed the specified electrical and mechanical parameters of either part.

Parameter Comparison

Parameter HS50 2K5 F 850F2K5E Compatibility
Manufacturer Ohmite Ohmite Same
Resistance 2.5 kOhms 2.5 kOhms Identical
Tolerance ±1% ±1% Identical
Power Rating 50W 50W Identical
Composition Wirewound Wirewound Identical
Temperature Coefficient 25ppm/°C ±20ppm/°C Compatible
Housing Type Aluminum Aluminum Identical
Mounting Feature Flanges Flanges Identical
Lead Style Solder Lugs Solder Lugs Identical
Length 1.933" (49.10mm) 1.938" (49.23mm) Compatible
Width 1.102" (28.00mm) 1.156" (29.36mm) Compatible
Height - Seated (Max) 0.583" (14.80mm) 0.620" (15.75mm) Compatible
RoHS Status RoHS Compliant ROHS3 Compliant Both Compliant
Series HS Metal-Mite®89 Different Series
Packaging Box Bulk Different

Engineering Selection Recommendations

Both the Ohmite HS50 2K5 F and the Ohmite 850F2K5E are active production components with full RoHS compliance. The 850F2K5E (Metal-Mite®89 series) represents a functionally equivalent alternative with identical electrical specifications. Dimensional variations are within acceptable tolerances for chassis mount applications with flanged mounting. The choice between these parts is determined by packaging requirements (box versus bulk) and series preference rather than electrical or mechanical performance differences.

Frequently Asked Questions (FAQ)

Q: Can the 850F2K5E replace the HS50 2K5 F in existing designs?

A: Yes. Both parts share identical resistance (2.5 kOhms), tolerance (±1%), power rating (50W), composition (wirewound), and mounting configuration (flanged solder lugs). Dimensional differences are minimal and compatible with standard chassis mount applications.

Q: What is the difference between the HS and Metal-Mite®89 series?

A: Both are Ohmite wirewound chassis mount resistors with identical electrical specifications for this 2.5 kOhm 50W application. The series designation reflects different product lines within Ohmite's portfolio. Selection between series is based on availability and packaging preference.

Q: Are there packaging differences between these parts?

A: Yes. The HS50 2K5 F is supplied in box packaging, while the 850F2K5E is supplied in bulk packaging. Electrical and mechanical specifications are identical.

Q: Do both parts meet RoHS requirements?

A: Yes. The HS50 2K5 F is RoHS Compliant, and the 850F2K5E is ROHS3 Compliant. Both meet current RoHS standards.

Q: What is the temperature coefficient difference?

A: The HS50 2K5 F specifies 25ppm/°C, while the 850F2K5E specifies ±20ppm/°C. Both values are within acceptable ranges for wirewound resistor applications and do not affect substitution validity for standard circuit designs.

Q: Are the physical dimensions compatible with existing PCB layouts?

A: Yes. Dimensional variations between the parts (approximately 0.005" in length and width, 0.037" in height) are within standard tolerances for chassis mount flanged resistor applications and do not require PCB redesign.

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