RR1220P-3571-D-M Equivalent & Substitute Parts

Part Overview

The RR1220P-3571-D-M is a 3.57 kOhms ±0.5% thin film chip resistor manufactured by Susumu in 0805 (2012 Metric) package format with 0.1W power rating. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified when equivalent resistance values, package dimensions, and electrical specifications align within acceptable tolerance and power rating parameters, enabling direct replacement in circuit applications where the original part becomes unavailable or when design requirements necessitate enhanced performance characteristics such as improved tolerance or higher power dissipation capability.

Substiute Parts

RR1220P-3571-D-M

SusumuIn Stock: 2923RR1220P-3571-D-M Datasheet

Current PartRFQ

RG2012P-3571-B-T5

SusumuIn Stock: 3843RG2012P-3571-B-T5 Datasheet

UpgradeRFQ

6-2176092-5

TE Connectivity Passive ProductIn Stock: 30426-2176092-5 Datasheet

DirectRFQ

ERA-6AEB3571V

Panasonic Electronic ComponentsIn Stock: 7554ERA-6AEB3571V Datasheet

UpgradeRFQ

RNCF0805BTE3K57

Stackpole Electronics IncIn Stock: 5911RNCF0805BTE3K57 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RR1220P-3571-D-M are qualified based on the following criteria:

Mandatory Matching Parameters:

• Resistance value: 3.57 kOhms
• Package / Case: 0805 (2012 Metric)
• Composition: Thin Film
• Temperature Coefficient: ±25ppm/°C
• Number of Terminations: 2
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

• Tolerance: Equal to or tighter than ±0.5% (±0.1% acceptable)
• Power Rating: Equal to or greater than 0.1W (0.125W, 0.25W acceptable)
• Operating Temperature Range: Equal to or exceeding -55°C ~ 125°C (extended to 155°C acceptable)

All substitute parts maintain identical physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) and electrical characteristics while offering enhanced specifications in tolerance and power dissipation where applicable.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed maintain full compatibility with the RR1220P-3571-D-M in terms of package geometry, resistance value, and fundamental electrical characteristics. Selection among substitutes depends on application-specific requirements:

RG2012P-3571-B-T5 (Susumu): Offers improved tolerance (±0.1% versus ±0.5%), increased power rating (0.125W), extended operating temperature range to 155°C, and anti-sulfur composition with AEC-Q200 automotive qualification. Suitable for applications requiring enhanced precision and automotive-grade reliability.

6-2176092-5 (TE Connectivity Passive Product): Provides highest power dissipation capability (0.25W), improved tolerance (±0.1%), and extended operating temperature range to 155°C. Appropriate for circuits with higher thermal stress or margin requirements.

ERA-6AEB3571V (Panasonic Electronic Components): Delivers improved tolerance (±0.1%), increased power rating (0.125W), extended operating temperature range to 155°C, and AEC-Q200 automotive qualification. Suitable for automotive and high-reliability applications.

RNCF0805BTE3K57 (Stackpole Electronics Inc): Combines highest power rating (0.25W), improved tolerance (±0.1%), extended operating temperature range to 155°C, and AEC-Q200 automotive qualification. Optimal for demanding automotive and industrial applications.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical physical dimensions. Product status for all parts is Active with full inventory availability.

Frequently Asked Questions (FAQ)

Q: Can RG2012P-3571-B-T5 directly replace RR1220P-3571-D-M?

A: Yes. Both components share identical resistance value (3.57 kOhms), package format (0805 / 2012 Metric), composition (thin film), and temperature coefficient (±25ppm/°C). RG2012P-3571-B-T5 offers tighter tolerance (±0.1% versus ±0.5%) and higher power rating (0.125W versus 0.1W), making it a direct upgrade substitute.

Q: What is the difference between 0.1W and 0.125W power ratings?

A: Power rating indicates maximum continuous power dissipation capability. A 0.125W component can safely dissipate 25% more power than a 0.1W component. In circuits where the original 0.1W component operates within its thermal limits, a 0.125W or 0.25W substitute provides additional thermal margin without affecting circuit function.

Q: Are all substitute parts automotive-qualified?

A: RG2012P-3571-B-T5, ERA-6AEB3571V, and RNCF0805BTE3K57 carry AEC-Q200 automotive qualification. The original RR1220P-3571-D-M and TE Connectivity part 6-2176092-5 do not list automotive ratings. AEC-Q200 qualification indicates suitability for automotive applications with enhanced reliability testing.

Q: Does tolerance affect circuit performance?

A: Tolerance specifies the maximum deviation from the nominal resistance value. ±0.5% tolerance allows ±0.01785 kOhms deviation from 3.57 kOhms. ±0.1% tolerance allows ±0.00357 kOhms deviation. Tighter tolerance (±0.1%) is beneficial in precision circuits, filters, and reference networks where resistance accuracy directly impacts performance.

Q: Can I use a 0.25W resistor in place of a 0.1W resistor?

A: Yes. Power rating is a maximum specification. A 0.25W component can be used in any application designed for 0.1W or 0.125W, provided all other electrical parameters match. The higher power rating provides additional thermal safety margin.

Q: What does MSL 1 (Unlimited) mean?

A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed parts maintain MSL 1 rating, eliminating moisture-related compatibility concerns.

Q: Are the physical dimensions identical across all substitute parts?

A: All parts share the same package designation (0805 / 2012 Metric) with length 0.079" (2.00mm) and width 0.049" (1.25mm). Maximum seated heights vary slightly (0.020" to 0.026"), which is within standard PCB assembly tolerances and does not affect interchangeability.

Q: What is the significance of anti-sulfur composition in RG2012P-3571-B-T5?

A: Anti-sulfur composition provides enhanced resistance to sulfur-containing environmental contaminants, extending component reliability in industrial and automotive environments with potential sulfur exposure. This feature is particularly relevant for long-term outdoor or harsh environment applications.