RT0805FRE0734RL Equivalent & Substitute Parts

Part Overview

The RT0805FRE0734RL is a 34 Ohm ±1% thin film chip resistor in 0805 (2012 Metric) package format, rated for 0.125W (1/8W) power dissipation. Manufactured by YAGEO under the RT series, this component is actively produced and widely used in precision analog circuits, signal conditioning, and measurement applications where moderate tolerance and stable temperature performance are required.

Substitute parts become necessary due to supply chain constraints, inventory availability, or application-specific requirements for enhanced performance characteristics such as improved tolerance, higher power rating, or superior temperature stability.

Substiute Parts

RT0805FRE0734RL

YAGEOIn Stock: 961RT0805FRE0734RL Datasheet

Current PartRFQ

RP73PF2A34RBTDF

TE Connectivity Passive ProductIn Stock: 1815RP73PF2A34RBTDF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT0805FRE0734RL is determined by the following critical parameters:

• Resistance Value: Must be 34 Ohms (exact match)
• Package Format: Must be 0805 (2012 Metric) for PCB footprint compatibility
• Composition: Thin film construction for consistent electrical performance
• Number of Terminations: Must be 2-terminal configuration
• Operating Temperature Range: Must encompass or match -55°C to +155°C
• Compliance: RoHS3 compliance required for regulatory alignment

The RP73PF2A34RBTDF qualifies as a direct substitute because it maintains identical resistance value, package format, composition type, and termination count. Enhanced specifications (±0.1% tolerance, 0.25W power rating, ±25ppm/°C temperature coefficient) represent performance improvements that do not compromise compatibility or introduce design conflicts.

Parameter Comparison

Engineering Selection Recommendations

Both the RT0805FRE0734RL and RP73PF2A34RBTDF are active production components with ROHS3 compliance and MSL 1 rating, confirming suitability for standard manufacturing and storage conditions without moisture sensitivity constraints.

The RP73PF2A34RBTDF substitute offers measurable performance enhancements: improved tolerance specification (±0.1% versus ±1%) and superior temperature stability (±25ppm/°C versus ±50ppm/°C). The doubled power rating (0.25W versus 0.125W) provides additional thermal margin in applications subject to sustained current flow.

Selection between these components should be based on application requirements for tolerance precision and thermal performance, not on compatibility concerns. The substitute is electrically and mechanically interchangeable within the specified operating envelope.

Frequently Asked Questions (FAQ)

Q: Can RP73PF2A34RBTDF replace RT0805FRE0734RL in existing designs?

A: Yes. Both components share identical resistance value, package format (0805), physical footprint dimensions, and operating temperature range. The substitute maintains full mechanical and electrical compatibility.

Q: What are the key differences between these parts?

A: The substitute offers three performance improvements: tighter tolerance (±0.1% versus ±1%), lower temperature coefficient (±25ppm/°C versus ±50ppm/°C), and higher power rating (0.25W versus 0.125W). These represent enhancements, not limitations.

Q: Does the height difference (0.026" versus 0.024") create assembly issues?

A: No. The 0.002" (0.05mm) height difference is within standard PCB assembly tolerances and does not affect reflow soldering, component placement, or clearance requirements for typical circuit board designs.

Q: Are both parts RoHS3 compliant?

A: Yes. Both RT0805FRE0734RL and RP73PF2A34RBTDF carry ROHS3 compliance certification and are suitable for applications requiring regulatory adherence to hazardous substance restrictions.

Q: What is the moisture sensitivity rating for these components?

A: Both components are rated MSL 1 (Unlimited), indicating no moisture sensitivity constraints. Standard storage conditions without desiccant or controlled humidity are acceptable.

Q: Can I use the substitute in high-precision measurement circuits?

A: The RP73PF2A34RBTDF substitute is preferable for precision applications due to its ±0.1% tolerance and ±25ppm/°C temperature coefficient, compared to the main part's ±1% tolerance and ±50ppm/°C coefficient.