RT1206FRE075K1L Equivalent & Substitute Parts

Part Overview

The RT1206FRE075K1L is a 5.1 kOhms ±1% thin film chip resistor in 1206 (3216 Metric) package rated for 0.25W (1/4W) power dissipation. Manufactured by YAGEO, this component operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently active in production with 655 units in stock. Substitute parts are identified to address application requirements for improved tolerance specifications, automotive-grade certifications, or alternative sourcing from qualified manufacturers.

Key Parameters

Parameter	Value
Resistance	5.1 kOhms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Package	1206 (3216 Metric)
Composition	Thin Film
Temperature Coefficient	±50ppm/°C
Operating Temperature Range	-55°C to 155°C
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are grouped by tolerance specification, as this is the primary parameter differentiating equivalent components while maintaining identical resistance value, package, power rating, and operating temperature range. All substitute parts maintain the 1206 (3216 Metric) package footprint and 0.25W power rating required for direct PCB replacement.

Key substitution parameters:

Resistance: 5.1 kOhms (fixed across all parts)
Package: 1206 (3216 Metric) (fixed across all parts)
Power Rating: 0.25W (fixed across all parts)
Operating Temperature: -55°C to 155°C (fixed across all parts)
Tolerance: ±1%, ±0.1%, or ±0.5% (variable)
Temperature Coefficient: ±50ppm/°C or ±25ppm/°C (variable)
Manufacturer: YAGEO, Panasonic Electronic Components, or Susumu (variable)
Automotive Certification: Standard or AEC-Q200 (variable)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Temp Coeff	Operating Temp	Package	Features	Inventory
RT1206FRE075K1L	YAGEO	5.1 kΩ	±1%	0.25W	±50ppm/°C	-55°C ~ 155°C	1206	Standard	655 Pcs
RT1206BRD075K1L	YAGEO	5.1 kΩ	±0.1%	0.25W	±25ppm/°C	-55°C ~ 155°C	1206	Standard	2367 Pcs
RT1206BRE075K1L	YAGEO	5.1 kΩ	±0.1%	0.25W	±50ppm/°C	-55°C ~ 155°C	1206	Standard	18459 Pcs
RT1206DRD075K1L	YAGEO	5.1 kΩ	±0.5%	0.25W	±25ppm/°C	-55°C ~ 155°C	1206	Standard	4562 Pcs
ERA-8AEB512V	Panasonic Electronic Components	5.1 kΩ	±0.1%	0.25W	±25ppm/°C	-55°C ~ 155°C	1206	Automotive AEC-Q200	13951 Pcs
RG3216P-5101-B-T5	Susumu	5.1 kΩ	±0.1%	0.25W	±25ppm/°C	-55°C ~ 155°C	1206	Anti-Sulfur, Automotive AEC-Q200	10075 Pcs
RG3216P-5101-D-T5	Susumu	5.1 kΩ	±0.5%	0.25W	±25ppm/°C	-55°C ~ 155°C	1206	Anti-Sulfur, Automotive AEC-Q200	5358 Pcs

Engineering Selection Recommendations

For Standard Industrial Applications: RT1206BRE075K1L (YAGEO) provides improved tolerance (±0.1% vs ±1%) while maintaining the same temperature coefficient and operating range as the original part. This option offers the highest inventory availability (18459 units) among YAGEO alternatives.

For Improved Tolerance and Temperature Stability: RT1206BRD075K1L (YAGEO) combines ±0.1% tolerance with ±25ppm/°C temperature coefficient, providing superior stability compared to the original ±50ppm/°C specification.

For Automotive Applications: ERA-8AEB512V (Panasonic Electronic Components) and RG3216P-5101-B-T5 (Susumu) both carry AEC-Q200 automotive certification. The Susumu part additionally features anti-sulfur construction. Both maintain ±0.1% tolerance and ±25ppm/°C temperature coefficient.

For Tolerance-Relaxed Applications: RG3216P-5101-D-T5 (Susumu) offers ±0.5% tolerance with automotive AEC-Q200 certification and anti-sulfur features, suitable for cost-optimized designs where tighter tolerance is not required.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical package footprint for direct PCB replacement.

Frequently Asked Questions (FAQ)

Q: Can RT1206BRE075K1L replace RT1206FRE075K1L directly on the PCB? A: Yes. Both parts use the 1206 (3216 Metric) package with identical footprint dimensions and pin configuration. The substitute offers improved tolerance (±0.1% vs ±1%) and maintains the same operating temperature range and power rating.

Q: What is the difference between RT1206BRD075K1L and RT1206BRE075K1L? A: Both parts share ±0.1% tolerance and ±25ppm/°C temperature coefficient from YAGEO. RT1206BRE075K1L maintains the original ±50ppm/°C specification. RT1206BRE075K1L has significantly higher inventory (18459 vs 2367 units).

Q: Are Susumu RG3216P series parts compatible with YAGEO RT1206 footprints? A: Yes. The RG3216P-5101-B-T5 and RG3216P-5101-D-T5 use the 1206 (3216 Metric) package and are footprint-compatible. Physical dimensions are 0.126" L x 0.063" W (3.20mm x 1.60mm) versus YAGEO's 0.122" L x 0.063" W (3.10mm x 1.60mm), with maximum seated heights of 0.020" (0.50mm) versus YAGEO's 0.026" (0.65mm). These minor variations remain within standard PCB design tolerances.

Q: What does AEC-Q200 certification mean? A: AEC-Q200 is an automotive qualification standard. Parts carrying this certification meet automotive industry reliability and performance requirements. ERA-8AEB512V and both Susumu RG3216P parts carry this certification.

Q: Can I use a ±0.5% tolerance part where ±1% is specified? A: Yes. A ±0.5% tolerance part meets any specification requiring ±1% or looser tolerance. RG3216P-5101-D-T5 and RT1206DRD075K1L both provide ±0.5% tolerance.

Q: What is the anti-sulfur feature on Susumu parts? A: Anti-sulfur construction protects against sulfur-induced corrosion in high-sulfur environments. This feature is present on RG3216P-5101-B-T5 and RG3216P-5101-D-T5.

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