ZXRE125CFTC Equivalent & Substitute Parts

Part Overview

The ZXRE125CFTC is a shunt voltage reference IC manufactured by Diodes Incorporated, designed for precision voltage reference applications requiring fixed 1.22V output. This component is classified as a Power Management (PMIC) device and is packaged in SOT-23-3 surface mount configuration. The part is currently listed as obsolete, making identification of equivalent substitute parts essential for ongoing design support and production continuity.

Substiute Parts

ZXRE125CFTC

Diodes IncorporatedIn Stock: 1241ZXRE125CFTC Datasheet

Current PartRFQ

ZXRE125CFTA

Diodes IncorporatedIn Stock: 1621ZXRE125CFTA Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ZXRE125CFTC is determined by strict equivalence across the following critical parameters:

• Reference Type: Shunt
• Output Voltage: 1.22V fixed
• Output Current: 20 mA
• Voltage Tolerance: ±0.5%
• Temperature Coefficient: 75ppm/°C
• Noise Performance: 60µVrms (10Hz to 10kHz)
• Cathode Current: 8 µA
• Operating Temperature Range: -40°C ~ 85°C
• Package: SOT-23-3 (TO-236-3, SC-59)
• Mounting: Surface Mount

The ZXRE125CFTA meets all these parameters and is therefore a direct parametric equivalent. The primary distinction between these parts is packaging format and product status.

Parameter Comparison

Engineering Selection Recommendations

The ZXRE125CFTA is the direct substitute for the obsolete ZXRE125CFTC. Both parts share identical electrical specifications and are manufactured by Diodes Incorporated under the same base product number (ZXRE125). The ZXRE125CFTA maintains active product status, ensuring continued availability and supply chain support.

Both parts carry ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), meeting current environmental and handling standards. The functional difference between these parts is limited to packaging format: the ZXRE125CFTC is supplied in tube packaging, while the ZXRE125CFTA is supplied in Tape & Reel format. This distinction affects only procurement and assembly processes, not electrical performance or circuit compatibility.

For new designs or production transitions, the ZXRE125CFTA is the appropriate selection due to its active status and standard tape & reel packaging format used in modern manufacturing environments.

Frequently Asked Questions (FAQ)

Q: Can ZXRE125CFTA directly replace ZXRE125CFTC in existing designs?

A: Yes. Both parts are parametrically identical across all electrical specifications including output voltage (1.22V), tolerance (±0.5%), temperature coefficient (75ppm/°C), and noise performance (60µVrms). Pin configuration and SOT-23-3 package dimensions are identical, enabling direct substitution without circuit modification.

Q: What is the difference between these two part numbers?

A: The primary difference is product status and packaging format. ZXRE125CFTC is obsolete and supplied in tube packaging. ZXRE125CFTA is active and supplied in Tape & Reel format. Electrical performance is identical.

Q: Are there any compliance or certification differences?

A: No. Both parts carry identical RoHS3 compliance status and unlimited moisture sensitivity rating (MSL 1). Environmental and handling requirements are equivalent.

Q: Which part should be specified for new production?

A: ZXRE125CFTA should be specified for new designs and production runs. Its active status ensures supply continuity and compatibility with standard manufacturing processes that utilize tape & reel packaging.

Q: Is the SOT-23-3 package identical between both parts?

A: Yes. Both parts use the same SOT-23-3 package (also designated TO-236-3 or SC-59). Physical dimensions, pin spacing, and PCB footprint are identical.