ZRC250F01TC Equivalent & Substitute Parts

Part Overview

The ZRC250F01TC is a shunt voltage reference IC manufactured by Diodes Incorporated, providing a fixed 2.5V output with ±1% tolerance in a SOT-23-3 surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. The part delivers 5 mA output current with a temperature coefficient of 90 ppm/°C and operates across the industrial temperature range of -40°C to 85°C.

Key Parameters

Parameter	Value
Reference Type	Shunt
Output Type	Fixed
Voltage - Output (Min/Fixed)	2.5V
Current - Output	5 mA
Tolerance	±1%
Temperature Coefficient	90 ppm/°C
Noise - 10Hz to 10kHz	60 µVrms
Current - Cathode	20 µA
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	TO-236-3, SC-59, SOT-23-3
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the ZRC250F01TC is determined by the following critical parameters: fixed 2.5V output voltage, SOT-23-3 package compatibility, shunt reference topology, and surface mount configuration. Substitute parts must maintain the same output voltage and package form factor to ensure direct replacement capability.

Substitute parts are grouped into two categories:

Parametric Equivalent (Direct Replacement): ZRC250F01TA from Diodes Incorporated matches all electrical specifications and packaging requirements of the obsolete ZRC250F01TC, differing only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel).

Manufacturer Recommended Alternatives (Enhanced Performance): Texas Instruments LM4040 series parts provide superior electrical characteristics including higher output current (15 mA versus 5 mA), improved tolerance (±0.1% to ±0.5% versus ±1%), and lower noise performance (35 µVrms versus 60 µVrms), while maintaining identical 2.5V output and SOT-23-3 packaging.

Parameter Comparison

Part Number	Manufacturer	Output Voltage	Output Current	Tolerance	Temp Coeff	Noise (10Hz-10kHz)	Cathode Current	Temp Range	Package	Status
ZRC250F01TC	Diodes Inc.	2.5V	5 mA	±1%	90 ppm/°C	60 µVrms	20 µA	-40 to 85°C	SOT-23-3	Obsolete
ZRC250F01TA	Diodes Inc.	2.5V	5 mA	±1%	90 ppm/°C	60 µVrms	20 µA	-40 to 85°C	SOT-23-3	Active
LM4040AIM3-2.5/NOPB	Texas Instruments	2.5V	15 mA	±0.1%	100 ppm/°C	35 µVrms	65 µA	-40 to 85°C	SOT-23-3	Active
LM4040AIM3X-2.5/NOPB	Texas Instruments	2.5V	15 mA	±0.1%	100 ppm/°C	35 µVrms	65 µA	-40 to 85°C	SOT-23-3	Active
LM4040BIM3-2.5/NOPB	Texas Instruments	2.5V	15 mA	±0.2%	100 ppm/°C	35 µVrms	65 µA	-40 to 85°C	SOT-23-3	Active
LM4040BIM3X-2.5/NOPB	Texas Instruments	2.5V	15 mA	±0.2%	100 ppm/°C	35 µVrms	65 µA	-40 to 85°C	SOT-23-3	Active
LM4040CIM3-2.5/NOPB	Texas Instruments	2.5V	15 mA	±0.5%	100 ppm/°C	35 µVrms	65 µA	-40 to 85°C	SOT-23-3	Active
LM4040CIM3X-2.5/NOPB	Texas Instruments	2.5V	15 mA	±0.5%	100 ppm/°C	35 µVrms	65 µA	-40 to 85°C	SOT-23-3	Active
LM4040DEM3-2.5/NOPB	Texas Instruments	2.5V	15 mA	±1%	150 ppm/°C	35 µVrms	73 µA	-40 to 125°C	SOT-23-3	Active

Engineering Selection Recommendations

For Direct Replacement (Obsolete Part Mitigation): ZRC250F01TA is the primary equivalent, offering identical electrical performance and packaging while maintaining active product status from Diodes Incorporated. This part is suitable for designs requiring exact specification matching.

For Enhanced Performance Applications: Texas Instruments LM4040 series parts provide superior specifications across multiple parameters. The LM4040AIM3-2.5/NOPB and LM4040AIM3X-2.5/NOPB deliver ±0.1% tolerance with improved noise characteristics (35 µVrms), making them suitable for precision analog applications. The LM4040BIM3-2.5/NOPB and LM4040BIM3X-2.5/NOPB offer ±0.2% tolerance as a mid-range option. The LM4040CIM3-2.5/NOPB and LM4040CIM3X-2.5/NOPB provide ±0.5% tolerance with active status.

For Extended Temperature Range: LM4040DEM3-2.5/NOPB extends the operating temperature to -40°C to 125°C, accommodating applications requiring higher temperature operation while maintaining ±1% tolerance matching the original part.

All substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can ZRC250F01TA directly replace ZRC250F01TC? A: Yes. ZRC250F01TA is a parametric equivalent with identical electrical specifications (2.5V output, ±1% tolerance, 5 mA output current, 90 ppm/°C temperature coefficient) and SOT-23-3 packaging. The only difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel). Both parts are ROHS3 compliant with MSL Level 1 rating.

Q: What are the key differences between the ZRC250F01TC and LM4040 series substitutes? A: The primary differences are output current (5 mA for ZRC250F01TC versus 15 mA for LM4040 series), tolerance (±1% versus ±0.1% to ±1% depending on LM4040 grade), and noise performance (60 µVrms versus 35 µVrms). All parts maintain 2.5V fixed output and SOT-23-3 packaging. LM4040 series parts offer superior electrical performance suitable for precision applications.

Q: Are all substitute parts available in the same SOT-23-3 package? A: Yes. All listed substitute parts use the TO-236-3, SC-59, SOT-23-3 package, ensuring mechanical and electrical compatibility with existing PCB layouts and socket designs.

Q: Which substitute part should be selected for precision analog applications? A: LM4040AIM3-2.5/NOPB or LM4040AIM3X-2.5/NOPB are recommended for precision applications, offering ±0.1% tolerance and 35 µVrms noise performance. Both parts are active status with substantial inventory availability.

Q: Do all substitute parts meet RoHS and REACH compliance requirements? A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic component manufacturing and distribution.

Q: What is the difference between LM4040AIM3-2.5/NOPB and LM4040AIM3X-2.5/NOPB? A: Both parts are electrically identical with ±0.1% tolerance, 15 mA output current, and 100 ppm/°C temperature coefficient. The difference is in packaging format and supplier designation. Both are suitable for direct substitution in applications requiring enhanced precision.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message