RN73C2B100RBTDF Equivalent & Substitute Parts

Part Overview

The RN73C2B100RBTDF is a 100 Ohm ±0.1% thin film chip resistor manufactured by TE Connectivity Passive Product in the 1206 (3216 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation with a temperature coefficient of ±10ppm/°C and operates across the temperature range of -55°C to 155°C. The part is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and maintains Active product status. Substitute parts are identified when equivalent resistance values, tolerance specifications, and package dimensions align with application requirements while offering alternative performance characteristics or enhanced specifications.

Substiute Parts

RN73C2B100RBTDF

TE Connectivity Passive ProductIn Stock: 915RN73C2B100RBTDF Datasheet

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RNCF1206TKY100R

Stackpole Electronics IncIn Stock: 18539RNCF1206TKY100R Datasheet

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RT1206BRB07100RL

YAGEOIn Stock: 43696RT1206BRB07100RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RN73C2B100RBTDF are qualified based on the following criteria:

Primary Substitution Criteria:

• Identical resistance value: 100 Ohms
• Identical package format: 1206 (3216 Metric)
• Identical composition: Thin Film
• Identical number of terminations: 2
• Identical operating temperature range: -55°C to 155°C
• Identical RoHS compliance: ROHS3 Compliant
• Identical MSL rating: 1 (Unlimited)

Secondary Compatibility Factors:

• Tolerance specifications within acceptable range (±0.1% or tighter)
• Power rating equal to or greater than 0.125W
• Temperature coefficient equal to or lower in absolute value
• Physical dimensions compatible with 1206 package footprint

The identified substitute parts maintain full electrical and mechanical compatibility with the RN73C2B100RBTDF while offering either equivalent or enhanced performance characteristics in specific parameters.

Parameter Comparison

Engineering Selection Recommendations

RT1206BRB07100RL (YAGEO): This substitute maintains identical tolerance (±0.1%) and temperature coefficient (±10ppm/°C) specifications to the RN73C2B100RBTDF while providing doubled power rating capacity (0.25W versus 0.125W). The component is ROHS3 compliant with REACH Unaffected status and MSL 1 rating. Physical dimensions are within acceptable tolerance for 1206 package footprint compatibility. This part is suitable for applications requiring equivalent electrical performance with enhanced thermal headroom.

RNCF1206TKY100R (Stackpole Electronics Inc): This substitute offers superior tolerance specification (±0.01% versus ±0.1%) and improved temperature coefficient (±5ppm/°C versus ±10ppm/°C) compared to the RN73C2B100RBTDF. Power rating is doubled to 0.25W. The component carries AEC-Q200 automotive qualification, ROHS3 compliance, and REACH Unaffected status with MSL 1 rating. This part is suitable for applications requiring tighter tolerance control and lower temperature coefficient drift, particularly in automotive or precision measurement contexts.

Frequently Asked Questions (FAQ)

Q: Can RT1206BRB07100RL be used as a direct replacement for RN73C2B100RBTDF?

A: Yes. Both components share identical resistance (100 Ohms), tolerance (±0.1%), temperature coefficient (±10ppm/°C), operating temperature range (-55°C to 155°C), package format (1206), and compliance ratings (ROHS3, MSL 1). The RT1206BRB07100RL provides increased power rating (0.25W versus 0.125W), which does not prevent substitution. Physical dimensions are within acceptable tolerance for PCB footprint compatibility.

Q: Can RNCF1206TKY100R be used as a direct replacement for RN73C2B100RBTDF?

A: Yes. Both components share identical resistance (100 Ohms), operating temperature range (-55°C to 155°C), package format (1206), and compliance ratings (ROHS3, MSL 1). The RNCF1206TKY100R provides enhanced specifications with tighter tolerance (±0.01% versus ±0.1%), lower temperature coefficient (±5ppm/°C versus ±10ppm/°C), and increased power rating (0.25W versus 0.125W). These improvements do not prevent substitution and may enhance circuit performance.

Q: What are the key differences between the two substitute parts?

A: RT1206BRB07100RL maintains identical tolerance and temperature coefficient to the original part while offering increased power capacity. RNCF1206TKY100R provides superior tolerance and temperature coefficient specifications with AEC-Q200 automotive qualification. Both offer doubled power rating. Selection depends on whether automotive qualification and tighter tolerance specifications are required for the application.

Q: Are there any physical compatibility concerns with these substitutes?

A: All three parts use the 1206 (3216 Metric) package format with identical height specifications (0.026" maximum seated height). RT1206BRB07100RL dimensions (0.122" L x 0.063" W) are within acceptable tolerance for 1206 footprint compatibility. RNCF1206TKY100R dimensions (0.120" L x 0.061" W) match the original part exactly. PCB footprint compatibility is maintained across all three components.

Q: What compliance certifications apply to these substitute parts?

A: All three parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings. RT1206BRB07100RL and RNCF1206TKY100R both have REACH Unaffected status. RNCF1206TKY100R additionally carries AEC-Q200 automotive qualification. All parts are classified as EAR99 for export control purposes.

Q: Can these parts be used interchangeably in the same circuit?

A: Yes. The identical resistance value (100 Ohms), tolerance specifications (±0.1% or tighter), operating temperature range (-55°C to 155°C), and package format (1206) ensure functional interchangeability. The increased power ratings of the substitute parts provide additional thermal margin without affecting circuit operation. Selection should be based on specific application requirements for tolerance precision and thermal performance.