RN732BTTD4753D25 Equivalent & Substitute Parts

Part Overview

The RN732BTTD4753D25 is a 475 kOhms ±0.5% thin film chip resistor manufactured by KOA Speer Electronics in 1206 (3216 Metric) package format with 0.125W power rating. This part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity. Substitute parts maintain the same resistance value, tolerance, package, and operating temperature range while offering enhanced specifications or active product status from alternative manufacturers.

Key Parameters

Parameter	Value
Resistance	475 kOhms
Tolerance	±0.5%
Power Rating	0.125W (1/8W)
Package	1206 (3216 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C to 155°C
Moisture Resistance	Yes
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution logic is based on the following allowed parameters: resistance value (475 kOhms), tolerance (±0.5% or tighter), package format (1206), composition (thin film), temperature coefficient (±25ppm/°C or better), operating temperature range (-55°C to 155°C minimum), and compliance certifications (RoHS3, MSL 1). Parts are grouped into two categories:

Direct Substitutes: Parts with identical or superior tolerance (±0.5% or tighter), same or higher power rating, and matching package specifications. These maintain full electrical and mechanical compatibility.

Upgrade Substitutes: Parts with enhanced specifications including higher power ratings (0.25W or greater), improved tolerance (±0.1% or ±0.25%), automotive qualification (AEC-Q200), or additional features (anti-sulfur coating) while maintaining package and resistance compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Features	Status
RN732BTTD4753D25	KOA Speer	475k	±0.5%	0.125	±25	-55 to 155	Moisture Resistant	Obsolete
RN73R2BTTD4753D25	KOA Speer	475k	±0.5%	0.25	±25	-55 to 155	AEC-Q200, Moisture Resistant	Active
RT1206DRD07475KL	YAGEO	475k	±0.5%	0.25	±25	-55 to 155	Thin Film	Active
AT1206BRD07475KL	YAGEO	475k	±0.1%	0.25	±25	-55 to 155	Anti-Sulfur, AEC-Q200, Moisture Resistant	Active
AT1206CRD07475KL	YAGEO	475k	±0.25%	0.25	±25	-55 to 155	Anti-Sulfur, AEC-Q200, Moisture Resistant	Active
AT1206DRD07475KL	YAGEO	475k	±0.5%	0.25	±25	-55 to 155	Anti-Sulfur, AEC-Q200, Moisture Resistant	Active
CPF1206B475KE1	TE Connectivity	475k	±0.1%	0.125	±25	-55 to 155	Thin Film	Active
ERA-8AEB4753V	Panasonic	475k	±0.1%	0.25	±25	-55 to 155	AEC-Q200	Active
MCA12060D4753BP100	Vishay Beyschlag	475k	±0.1%	0.25	±25	-55 to 125	Anti-Sulfur	Active
PTN1206E4753BST1	Vishay Dale	475k	±0.1%	0.4	±25	-55 to 155	Anti-Sulfur, Moisture Resistant, Non-Inductive	Active
RG3216N-4753-D-T5	Susumu	475k	±0.5%	0.25	±10	-55 to 155	Anti-Sulfur, AEC-Q200	Active

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): RN73R2BTTD4753D25 from KOA Speer provides the closest match with identical tolerance and resistance while offering active product status and automotive qualification. This part maintains the same manufacturer lineage and is recommended for applications requiring minimal design validation.

For Standard Industrial Applications: RT1206DRD07475KL (YAGEO) and AT1206DRD07475KL (YAGEO) both provide ±0.5% tolerance matching the original specification with doubled power rating (0.25W) and active status. AT1206DRD07475KL adds anti-sulfur coating and AEC-Q200 qualification for enhanced reliability.

For Precision Applications: AT1206BRD07475KL, ERA-8AEB4753V, and MCA12060D4753BP100 offer ±0.1% tolerance with active product status. ERA-8AEB4753V provides the highest inventory availability (9644 units) with AEC-Q200 automotive qualification. MCA12060D4753BP100 operates to 125°C maximum, suitable for non-extended temperature applications.

For High-Reliability and Automotive Applications: RG3216N-4753-D-T5 (Susumu) combines ±0.5% tolerance with superior ±10ppm/°C temperature coefficient, anti-sulfur coating, and AEC-Q200 qualification. PTN1206E4753BST1 (Vishay Dale) offers the highest power rating (0.4W) with anti-sulfur, moisture resistant, and non-inductive characteristics for demanding applications.

For Power-Constrained Designs: CPF1206B475KE1 (TE Connectivity) maintains the original 0.125W power rating with improved ±0.1% tolerance and active status, suitable for designs where power dissipation is critical.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher power rating than the original RN732BTTD4753D25? A: Yes. Higher power ratings (0.25W, 0.4W) are electrically compatible and provide additional thermal margin. Physical dimensions remain within 1206 package specifications. Verify PCB layout accommodates any minor dimensional variations listed in the parameter comparison table.

Q: What is the difference between ±0.5%, ±0.25%, and ±0.1% tolerance parts? A: Tolerance defines the maximum deviation from the nominal 475 kOhms value. ±0.5% allows ±2.375 kOhms deviation; ±0.25% allows ±1.1875 kOhms; ±0.1% allows ±0.475 kOhms. Tighter tolerance parts are suitable for precision analog circuits, filters, and reference networks. Standard tolerance (±0.5%) is adequate for general-purpose applications.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts carry ROHS3 Compliant status matching the original part. MSL rating is 1 (Unlimited) for all parts, indicating no moisture sensitivity restrictions.

Q: What does AEC-Q200 qualification mean? A: AEC-Q200 is an automotive electronics qualification standard. Parts bearing this rating have undergone stress testing for automotive applications including thermal cycling, humidity, and vibration. Recommended for automotive, industrial, and mission-critical applications.

Q: Can I substitute a part with ±10ppm/°C temperature coefficient (RG3216N-4753-D-T5) for the original ±25ppm/°C part? A: Yes. Lower temperature coefficient indicates superior stability across the operating range. This is a performance upgrade suitable for precision applications where temperature-induced resistance drift must be minimized. No design changes required.

Q: What is the significance of anti-sulfur coating? A: Anti-sulfur coating protects the resistor element from sulfur-containing atmospheric contaminants that can degrade performance over time. Recommended for applications in industrial environments, coastal areas, or long-term reliability requirements.

Q: Are there dimensional differences between substitute parts? A: Minor variations exist within 1206 package specifications. Length ranges from 0.120" to 0.126" (3.05mm to 3.20mm); height ranges from 0.020" to 0.033" (0.50mm to 0.84mm). Verify PCB footprint and clearance for parts with maximum height specifications, particularly PTN1206E4753BST1 at 0.84mm.

Q: Which substitute offers the best inventory availability? A: ERA-8AEB4753V (Panasonic) has the highest stock level at 9644 units with ±0.1% tolerance, AEC-Q200 qualification, and active product status.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message