Ohmite 45F200 Equivalent & Substitute Parts

Part Overview

The Ohmite 45F200 is a 200 Ohms ±1% 5W through-hole resistor with axial wirewound composition, part of the Ohmicone® 40 series. This component is currently active in production with 854 pieces in stock. The 45F200 operates as a precision wirewound resistor suitable for applications requiring stable resistance values and moderate power dissipation in through-hole configurations. Substitute parts are identified to provide alternatives for procurement flexibility, inventory management, or specific compliance requirements.

Substiute Parts

45F200

OhmiteIn Stock: 89345F200 Datasheet

Current PartRFQ

45F200E

OhmiteIn Stock: 105045F200E Datasheet

DirectRFQ

ALSR05200R0FE12

Vishay DaleIn Stock: 1178ALSR05200R0FE12 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Ohmite 45F200 are qualified based on the following electrical and mechanical parameters:

• Resistance value: 200 Ohms
• Tolerance: ±1%
• Power rating: 5W
• Composition: Wirewound
• Package: Axial through-hole
• Number of terminations: 2

The identified substitutes maintain these core specifications. Variations in temperature coefficient, physical dimensions, and compliance certifications are noted in the parameter comparison table below.

Parameter Comparison

Engineering Selection Recommendations

All three parts are active products with current manufacturing status. The 45F200E (Ohmite) is electrically identical to the 45F200 and offers ROHS3 compliance, making it suitable for applications with RoHS requirements. The ALSR05200R0FE12 (Vishay Dale) provides ROHS3 compliance and an extended operating temperature range of -65°C to 250°C, with moisture-resistant construction. Physical dimensions differ slightly between the Vishay Dale part and the Ohmite variants. Selection should be based on compliance requirements, operating temperature specifications, and physical space constraints within the application.

Frequently Asked Questions (FAQ)

Q: Can the 45F200E be used as a direct replacement for the 45F200?

A: Yes. Both parts are manufactured by Ohmite, share identical electrical specifications (200 Ohms ±1%, 5W, ±20ppm/°C), and have the same physical dimensions. The primary difference is packaging format and RoHS3 compliance status of the 45F200E.

Q: What are the key differences between the Ohmite 45F200 and the Vishay Dale ALSR05200R0FE12?

A: Both maintain 200 Ohms ±1% at 5W with wirewound axial construction. The Vishay Dale part has a higher temperature coefficient (±30ppm/°C vs. ±20ppm/°C), a wider operating temperature range (-65°C to 250°C), moisture-resistant features, slightly smaller physical dimensions, and ROHS3 compliance.

Q: Are there physical space considerations when substituting with the ALSR05200R0FE12?

A: Yes. The ALSR05200R0FE12 has slightly smaller dimensions (0.312" Dia x 0.875" L) compared to the Ohmite parts (0.343" Dia x 0.937" L). Verify that the smaller size is compatible with your PCB layout and mounting requirements.

Q: Which substitute part should I select for RoHS-compliant applications?

A: Both the 45F200E (Ohmite) and ALSR05200R0FE12 (Vishay Dale) are ROHS3 compliant. The 45F200 is RoHS non-compliant and should not be used in applications requiring RoHS certification.

Q: Do all three parts have the same temperature coefficient?

A: No. The Ohmite parts (45F200 and 45F200E) have a temperature coefficient of ±20ppm/°C, while the Vishay Dale ALSR05200R0FE12 has ±30ppm/°C. For applications with strict temperature stability requirements, the Ohmite parts offer superior performance.