Request Quote
(Ships tomorrow)
RN732ATTD2002B50 Equivalent & Substitute Parts
Part Overview
The RN732ATTD2002B50 is a 20 kOhms ±0.1% 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 with a temperature coefficient of ±50ppm/°C and operating range of -55°C to 155°C. The part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity. Suitable alternatives maintain the same resistance value, tolerance, and package footprint while offering active product status and enhanced specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 20 kOhms |
| Tolerance | ±0.1% |
| Power Rating | 0.1W (1/10W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thin Film |
| Temperature Coefficient | ±50ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| Moisture Sensitivity Level | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitute parts for the RN732ATTD2002B50 are classified into two categories based on substitution compatibility:
Direct Substitutes (Same Power Rating - 0.1W/1/10W): These parts maintain identical power dissipation specifications and are pin-compatible replacements:
- RT0805BRE0720KL (YAGEO)
- 1676250-5 (TE Connectivity Passive Product)
- ACPP0805 20K B (Ohmite)
- CPF-A-0805B20KE (TE Connectivity Passive Product)
- CPF-A-0805B20KE1 (TE Connectivity Passive Product)
Upgraded Substitutes (Higher Power Ratings - 0.125W/1/8W or 0.25W/1/4W): These parts provide enhanced power handling capability while maintaining the same resistance, tolerance, package footprint, and operating temperature range. Higher power ratings offer design margin and thermal performance improvement:
- RN73R2ATTD2002B50 (KOA Speer Electronics, Inc.) - 0.125W
- RNCF0805BTC20K0 (Stackpole Electronics Inc) - 0.25W
- AT0805BRD0720KL (YAGEO) - 0.125W
- AT0805BRE0720KL (YAGEO) - 0.125W
- 3-2176093-2 (TE Connectivity Passive Product) - 0.25W
All substitute parts share the following critical parameters with the main part:
- Resistance: 20 kOhms
- Tolerance: ±0.1%
- Package: 0805 (2012 Metric)
- Composition: Thin Film
- Operating Temperature: -55°C to 155°C
- Moisture Sensitivity Level: 1 (Unlimited)
- RoHS3 Compliance
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Package | Product Status | Features |
|---|---|---|---|---|---|---|---|---|
| RN732ATTD2002B50 | KOA Speer Electronics, Inc. | 20 kOhms | ±0.1% | 0.1 | ±50 | 0805 | Obsolete | Moisture Resistant |
| RN73R2ATTD2002B50 | KOA Speer Electronics, Inc. | 20 kOhms | ±0.1% | 0.125 | ±50 | 0805 | Active | Automotive AEC-Q200, Moisture Resistant |
| RNCF0805BTC20K0 | Stackpole Electronics Inc | 20 kOhms | ±0.1% | 0.25 | ±50 | 0805 | Active | Automotive AEC-Q200 |
| RT0805BRE0720KL | YAGEO | 20 kOhms | ±0.1% | 0.125 | ±50 | 0805 | Active | None specified |
| 1676250-5 | TE Connectivity Passive Product | 20 kOhms | ±0.1% | 0.1 | ±10 | 0805 | Active | None specified |
| 3-2176093-2 | TE Connectivity Passive Product | 20 kOhms | ±0.1% | 0.25 | ±25 | 0805 | Active | None specified |
| ACPP0805 20K B | Ohmite | 20 kOhms | ±0.1% | 0.1 | ±25 | 0805 | Active | None specified |
| AT0805BRD0720KL | YAGEO | 20 kOhms | ±0.1% | 0.125 | ±25 | 0805 | Active | Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant |
| AT0805BRE0720KL | YAGEO | 20 kOhms | ±0.1% | 0.125 | ±50 | 0805 | Active | Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant |
| CPF-A-0805B20KE | TE Connectivity Passive Product | 20 kOhms | ±0.1% | 0.1 | ±25 | 0805 | Active | Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant |
| CPF-A-0805B20KE1 | TE Connectivity Passive Product | 20 kOhms | ±0.1% | 0.1 | ±25 | 0805 | Active | Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant |
Engineering Selection Recommendations
For Direct Replacement (Same Power Rating):
Select RT0805BRE0720KL (YAGEO) or ACPP0805 20K B (Ohmite) for applications requiring identical 0.1W power dissipation. Both parts are active products with ROHS3 compliance and maintain the ±50ppm/°C temperature coefficient of the original RN732ATTD2002B50. RT0805BRE0720KL offers higher inventory availability (5300 pcs) and standard thin film construction. ACPP0805 20K B provides active product status with established supply chain support.
CPF-A-0805B20KE and CPF-A-0805B20KE1 (TE Connectivity Passive Product) are suitable for applications requiring automotive AEC-Q200 qualification, anti-sulfur protection, and moisture resistance. These parts maintain 0.1W power rating with ±25ppm/°C temperature coefficient, providing improved thermal stability compared to the original part.
For Upgraded Performance (Higher Power Rating):
Select RN73R2ATTD2002B50 (KOA Speer Electronics, Inc.) for 0.125W applications requiring automotive AEC-Q200 qualification and moisture resistance from the original manufacturer. This part maintains the same series lineage and ±50ppm/°C temperature coefficient.
RNCF0805BTC20K0 (Stackpole Electronics Inc) or 3-2176093-2 (TE Connectivity Passive Product) provide 0.25W power rating for applications with higher thermal demands. RNCF0805BTC20K0 offers automotive AEC-Q200 qualification with 921 pcs inventory. 3-2176093-2 provides the highest inventory availability (3818 pcs) with ROHS3 compliance and ±25ppm/°C temperature coefficient.
AT0805BRD0720KL and AT0805BRE0720KL (YAGEO) deliver 0.125W power rating with anti-sulfur, automotive AEC-Q200, and moisture-resistant features. AT0805BRE0720KL matches the original ±50ppm/°C temperature coefficient, while AT0805BRD0720KL provides ±25ppm/°C for improved stability.
All recommended substitutes maintain ROHS3 compliance, MSL 1 (Unlimited) moisture sensitivity, and -55°C to 155°C operating temperature range.
Frequently Asked Questions (FAQ)
Q: Can I use a higher power-rated resistor as a substitute for the RN732ATTD2002B50?
A: Yes. Upgraded substitutes with 0.125W (1/8W) or 0.25W (1/4W) power ratings are electrically compatible. Higher power ratings provide additional thermal margin and do not degrade circuit performance. The 0805 package footprint remains identical, ensuring mechanical compatibility with existing PCB layouts.
Q: What is the difference between direct substitutes and upgraded substitutes?
A: Direct substitutes (RT0805BRE0720KL, ACPP0805 20K B, CPF-A-0805B20KE, CPF-A-0805B20KE1, 1676250-5) maintain the same 0.1W power rating as the original part. Upgraded substitutes (RN73R2ATTD2002B50, RNCF0805BTC20K0, 3-2176093-2, AT0805BRD0720KL, AT0805BRE0720KL) offer higher power dissipation (0.125W or 0.25W) while maintaining all other critical parameters. Selection depends on circuit thermal requirements and design margin preferences.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts are ROHS3 compliant. The original RN732ATTD2002B50 is also ROHS3 compliant. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all parts, indicating no moisture-related handling restrictions.
Q: Which substitute offers the best temperature coefficient stability?
A: The 1676250-5 (TE Connectivity Passive Product) provides the tightest temperature coefficient at ±10ppm/°C, compared to the original ±50ppm/°C. For applications requiring enhanced thermal stability, this part offers superior performance. Alternatively, AT0805BRD0720KL, AT0805BRE0720KL, 3-2176093-2, ACPP0805 20K B, CPF-A-0805B20KE, and CPF-A-0805B20KE1 provide ±25ppm/°C, representing a 50% improvement over the original specification.
Q: Do any substitutes include automotive qualification?
A: Yes. RN73R2ATTD2002B50, RNCF0805BTC20K0, AT0805BRD0720KL, AT0805BRE0720KL, CPF-A-0805B20KE, and CPF-A-0805B20KE1 carry AEC-Q200 automotive qualification. These parts are suitable for automotive applications requiring industry-standard reliability and qualification documentation.
Q: What is the inventory status of substitute parts?
A: RT0805BRE0720KL offers the highest availability at 5300 pcs. 3-2176093-2 provides 3818 pcs. CPF-A-0805B20KE offers 7117 pcs. Other substitutes range from 701 to 3713 pcs. Inventory levels support both prototype and production-volume requirements.
Q: Can I interchange RN73R2ATTD2002B50 and RNCF0805BTC20K0 in the same circuit?
A: Yes. Both parts maintain 20 kOhms ±0.1% resistance, 0805 package footprint, and -55°C to 155°C operating range. The primary difference is power rating (0.125W vs. 0.25W) and manufacturer. Circuit thermal analysis determines which power rating is appropriate. Both are active products with established supply chains.
Q: Is the RN732ATTD2002B50 still available for procurement?
A: The RN732ATTD2002B50 is classified as obsolete. Current inventory of 789 pcs is available, but long-term procurement is not guaranteed. Transition to active substitute parts is recommended for new designs and ongoing production support. All listed substitutes are active products with confirmed manufacturer support.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts