RG3216N-1211-C-T5 Equivalent & Substitute Parts

Part Overview

The RG3216N-1211-C-T5 is a 1.21 kOhms ±0.25% thin film chip resistor in 1206 (3216 Metric) package rated for 0.25W power dissipation. Manufactured by Susumu, this component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for high-reliability applications in harsh environments.

The RG3216N-1211-C-T5 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications currently utilizing this component.

Key Parameters

Parameter	Value
Resistance	1.21 kOhms
Tolerance	±0.25%
Power Rating	0.25W (1/4W)
Package	1206 (3216 Metric)
Composition	Thin Film
Features	Anti-Sulfur, Automotive AEC-Q200
Temperature Coefficient	±10ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG3216N-1211-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 1.21 kOhms (exact match required)
Package type: 1206 (3216 Metric) (physical and electrical compatibility)
Composition: Thin Film (electrical performance characteristics)
Features: Anti-Sulfur, Automotive AEC-Q200 (environmental and reliability requirements)
RoHS Status: ROHS3 Compliant (regulatory compliance)
Moisture Sensitivity Level: 1 (Unlimited) (handling and storage requirements)

Allowable Variation Parameters:

Tolerance: Can be equal to or tighter (lower) than ±0.25%
Power Rating: Can be equal to or higher than 0.25W
Temperature Coefficient: Can be equal to or lower in absolute value
Operating Temperature Range: Must encompass or exceed -55°C ~ 155°C
Product Status: Active status preferred for long-term availability

All substitute parts listed maintain identical resistance, package, composition, and compliance specifications while offering improvements in tolerance, temperature coefficient, or power rating characteristics.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Product Status	Packaging
RG3216N-1211-C-T5	Susumu	1.21 kΩ	±0.25%	0.25	±10	-55 ~ 155	Obsolete	Bulk
RG3216N-1211-B-T5	Susumu	1.21 kΩ	±0.1%	0.25	±10	-55 ~ 155	Active	Tape & Reel
RG3216N-1211-W-T1	Susumu	1.21 kΩ	±0.05%	0.25	±10	-55 ~ 155	Active	Tape & Reel
RG3216V-1211-B-T5	Susumu	1.21 kΩ	±0.1%	0.25	±5	-55 ~ 155	Active	Tape & Reel
RG3216V-1211-P-T1	Susumu	1.21 kΩ	±0.02%	0.25	±5	-55 ~ 155	Active	Tape & Reel
RG3216V-1211-W-T1	Susumu	1.21 kΩ	±0.05%	0.25	±5	-55 ~ 155	Active	Tape & Reel
TNPW12061K21BYEA	Vishay Dale	1.21 kΩ	±0.1%	0.52	±10	-55 ~ 175	Active	Tape & Reel

Engineering Selection Recommendations

Primary Recommendation: RG3216N-1211-B-T5

The RG3216N-1211-B-T5 is the direct active-status equivalent from Susumu. It maintains identical electrical specifications to the obsolete RG3216N-1211-C-T5 while offering improved tolerance (±0.1% versus ±0.25%). This part is currently in active production with 1030 units in stock, ensuring supply continuity. Packaging is Tape & Reel format, standard for automated assembly operations.

Secondary Recommendation: RG3216V-1211-B-T5

The RG3216V-1211-B-T5 provides enhanced performance through reduced temperature coefficient (±5ppm/°C versus ±10ppm/°C) and improved tolerance (±0.1%). This variant is suitable for applications requiring superior temperature stability and precision. Active production status with 816 units in stock.

Premium Recommendation: RG3216V-1211-P-T1

The RG3216V-1211-P-T1 offers the highest precision tolerance (±0.02%) combined with the lowest temperature coefficient (±5ppm/°C). This part is specified for precision measurement and calibration circuits. Active production status with 944 units in stock.

Alternative Manufacturer: TNPW12061K21BYEA

The TNPW12061K21BYEA from Vishay Dale provides cross-manufacturer compatibility with enhanced power rating (0.52W versus 0.25W) and extended operating temperature range (-55°C ~ 175°C). This part is suitable for applications requiring higher thermal margin or elevated temperature operation. Active production status with 695 units in stock.

All recommended substitutes maintain AEC-Q200 automotive qualification, anti-sulfur coating, ROHS3 compliance, and MSL 1 moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can RG3216N-1211-B-T5 be used as a direct replacement for RG3216N-1211-C-T5?

A: Yes. Both parts share identical resistance (1.21 kOhms), power rating (0.25W), package (1206), composition (thin film), and operating temperature range (-55°C ~ 155°C). The RG3216N-1211-B-T5 offers tighter tolerance (±0.1% versus ±0.25%), which is a performance improvement. Both maintain AEC-Q200 qualification and anti-sulfur coating.

Q: What is the difference between RG3216N and RG3216V series?

A: The primary difference is temperature coefficient. RG3216N series has ±10ppm/°C, while RG3216V series has ±5ppm/°C. The RG3216V series provides superior temperature stability. Both series maintain identical resistance, package, and power rating specifications.

Q: Why does TNPW12061K21BYEA have a higher power rating (0.52W)?

A: The TNPW12061K21BYEA from Vishay Dale is physically identical in package size (1206) but engineered for higher power dissipation capability. This provides additional thermal margin in applications with higher current or power requirements. The higher power rating does not affect compatibility in circuits designed for 0.25W operation.

Q: Are all substitute parts available in Tape & Reel packaging?

A: The original RG3216N-1211-C-T5 is supplied in bulk packaging. All active substitute parts are available in Tape & Reel (TR) format, which is standard for automated assembly. Tape & Reel packaging is compatible with standard pick-and-place equipment and provides improved handling and traceability.

Q: What is the significance of the tolerance grades (±0.25%, ±0.1%, ±0.05%, ±0.02%)?

A: Tolerance specifies the maximum deviation from the nominal resistance value. Tighter tolerance (lower percentage) indicates higher precision. Selection depends on circuit requirements: general-purpose applications tolerate ±0.25%, precision analog circuits typically require ±0.1% or better, and precision measurement or calibration circuits require ±0.05% or ±0.02%.

Q: Can RG3216V-1211-P-T1 be substituted in any application using RG3216N-1211-C-T5?

A: Yes. The RG3216V-1211-P-T1 meets or exceeds all electrical and environmental specifications of the original part. It provides superior tolerance (±0.02% versus ±0.25%) and lower temperature coefficient (±5ppm/°C versus ±10ppm/°C). This part is suitable for all applications and offers enhanced performance characteristics.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is the automotive electronics council standard for passive components in automotive applications. All listed parts maintain this qualification, ensuring reliability in automotive environments including temperature cycling, vibration, and humidity exposure.

Q: Is the extended operating temperature range of TNPW12061K21BYEA (-55°C ~ 175°C) beneficial?

A: The extended upper temperature limit (175°C versus 155°C) provides additional margin for applications operating in high-temperature environments or with elevated ambient conditions. This is beneficial but not required for applications designed within the original -55°C ~ 155°C range.

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