RN732ATTD2002C25 Equivalent & Substitute Parts

Part Overview

The RN732ATTD2002C25 is a 20 kOhms ±0.25% thin film chip resistor in 0805 (2012 Metric) package rated at 0.1W (1/10W) power dissipation. Manufactured by KOA Speer Electronics, Inc., this component features moisture-resistant construction and operates across -55°C to 155°C. The part is currently classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and procurement needs.

Substiute Parts

RN732ATTD2002C25

KOA Speer Electronics, Inc.In Stock: 728RN732ATTD2002C25 Datasheet

Current PartRFQ

RN73R2ATTD2002C25

KOA Speer Electronics, Inc.In Stock: 973RN73R2ATTD2002C25 Datasheet

DirectRFQ

TNPW080520K0BETA

Vishay DaleIn Stock: 925TNPW080520K0BETA Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RN732ATTD2002C25 is determined by strict equivalence in the following parameters:

Critical Parameters (Must Match):

• Resistance value: 20 kOhms
• Package / Case: 0805 (2012 Metric)
• Composition: Thin Film
• Temperature Coefficient: ±25ppm/°C
• Moisture Resistance: Required

Allowable Variation Parameters:

• Tolerance: Equal or tighter (±0.25% or better)
• Power Rating: Equal or higher (0.1W or greater)
• Operating Temperature Range: Equal or wider
• Product Status: Active preferred for long-term availability

Two substitute parts meet these criteria with differing characteristics:

1. RN73R2ATTD2002C25 (Direct Substitute): Same manufacturer, same tolerance, higher power rating (0.125W), active product status, automotive-grade qualification
2. TNPW080520K0BETA (Upgrade Substitute): Different manufacturer, tighter tolerance (±0.1%), higher power rating (0.125W), military-grade specification, active product status

Parameter Comparison

Engineering Selection Recommendations

RN73R2ATTD2002C25 Selection Criteria:

• Preferred for applications requiring RoHS3 compliance
• Suitable for automotive applications with AEC-Q200 qualification
• Maintains identical tolerance specification (±0.25%)
• Higher power rating (0.125W) provides thermal margin over original 0.1W specification
• Same manufacturer ensures consistent thin film construction and performance characteristics
• Active product status ensures long-term availability and supply chain stability

TNPW080520K0BETA Selection Criteria:

• Applicable for military-grade applications requiring enhanced tolerance (±0.1%)
• Higher power rating (0.125W) accommodates increased thermal dissipation requirements
• Active product status from established manufacturer (Vishay Dale)
• Operating temperature range limited to -55°C ~ 125°C (5°C reduction from original specification)
• RoHS non-compliant status requires evaluation against regulatory requirements
• REACH Affected status requires compliance verification for specific applications

Compliance Considerations:

• RoHS3 compliance required: Select RN73R2ATTD2002C25
• Military specifications required: Select TNPW080520K0BETA
• Automotive qualification required: Select RN73R2ATTD2002C25
• Standard industrial applications: Either substitute acceptable based on tolerance and compliance needs

Frequently Asked Questions (FAQ)

Q: Can RN73R2ATTD2002C25 directly replace RN732ATTD2002C25?

A: Yes. Both components share identical resistance (20 kOhms), tolerance (±0.25%), package (0805), composition (thin film), temperature coefficient (±25ppm/°C), and operating temperature range (-55°C ~ 155°C). The substitute features higher power rating (0.125W vs. 0.1W), which is compatible with the original specification. RN73R2ATTD2002C25 is active and RoHS3 compliant.

Q: What is the difference between the two substitute parts?

A: RN73R2ATTD2002C25 maintains the original ±0.25% tolerance and is automotive-qualified (AEC-Q200). TNPW080520K0BETA offers tighter tolerance (±0.1%) and military-grade specification but has a reduced operating temperature range (-55°C ~ 125°C) and is RoHS non-compliant. Select based on application requirements and regulatory compliance needs.

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

A: All three components use the 0805 (2012 Metric) package with identical length and width (0.079" L x 0.049" W / 2.00mm x 1.25mm). Height-seated maximum differs slightly: RN732ATTD2002C25 and RN73R2ATTD2002C25 are 0.024" (0.60mm), while TNPW080520K0BETA is 0.022" (0.55mm). This minor variation does not affect PCB layout compatibility.

Q: Which substitute is suitable for RoHS3 compliant designs?

A: RN73R2ATTD2002C25 is RoHS3 compliant. TNPW080520K0BETA is RoHS non-compliant and unsuitable for applications requiring RoHS3 certification.

Q: Can TNPW080520K0BETA be used in applications requiring the full -55°C ~ 155°C temperature range?

A: No. TNPW080520K0BETA operates only to 155°C maximum, with upper limit of 125°C. Applications requiring operation above 125°C must use RN73R2ATTD2002C25 or the original RN732ATTD2002C25.

Q: What is the significance of the higher power rating in the substitute parts?

A: Both substitutes are rated at 0.125W (1/8W) compared to the original 0.1W (1/10W). This higher rating provides additional thermal margin and allows the component to dissipate more power without exceeding temperature limits. The substitutes are fully compatible with applications designed for 0.1W components.

Q: Are moisture-resistant properties maintained in both substitutes?

A: Yes. RN73R2ATTD2002C25 explicitly includes moisture-resistant construction. TNPW080520K0BETA, as a military-grade thin film resistor, incorporates moisture protection as standard. Both maintain MSL 1 (Unlimited) rating.