ZXRE1004CFTA Equivalent & Substitute Parts

Part Overview

The ZXRE1004CFTA is a Shunt Voltage Reference IC manufactured by Diodes Incorporated, designed for precision voltage reference applications requiring fixed 1.22V output. This component operates as a fixed shunt regulator with ±0.5% tolerance and 20 mA output capability in a compact SOT-23-3 surface mount package.

The ZXRE1004CFTA is classified as Obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this reference voltage IC.

Substiute Parts

ZXRE1004CFTA

Diodes IncorporatedIn Stock: 4164ZXRE1004CFTA Datasheet

Current PartRFQ

ZXRE125CFTA

Diodes IncorporatedIn Stock: 1621ZXRE125CFTA Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ZXRE1004CFTA are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Reference Type: Shunt
• Output Type: Fixed
• Voltage - Output (Min/Fixed): 1.22V
• Current - Output: 20 mA
• Tolerance: ±0.5%
• Temperature Coefficient: 75ppm/°C
• Noise - 10Hz to 10kHz: 60µVrms
• Current - Cathode: 8 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
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The ZXRE125CFTA meets all critical electrical and mechanical parameters required for direct substitution with the ZXRE1004CFTA.

Parameter Comparison

Engineering Selection Recommendations

The ZXRE125CFTA is the direct parametric equivalent for the ZXRE1004CFTA. Both components are manufactured by Diodes Incorporated and share identical electrical specifications and physical packaging.

The primary distinction between these parts is product status: the ZXRE1004CFTA is Obsolete, while the ZXRE125CFTA maintains Active status. Both components maintain ROHS3 compliance and identical moisture sensitivity ratings, ensuring regulatory and environmental compatibility.

For new designs or production requiring voltage reference functionality at 1.22V with ±0.5% tolerance and 20 mA output capability, the ZXRE125CFTA is the appropriate selection. For existing designs currently utilizing the ZXRE1004CFTA, the ZXRE125CFTA provides seamless functional replacement without circuit modification.

Frequently Asked Questions (FAQ)

Q: Can the ZXRE125CFTA directly replace the ZXRE1004CFTA in existing designs?

A: Yes. The ZXRE125CFTA is a direct parametric equivalent. All electrical specifications, output voltage, current ratings, tolerance, temperature coefficient, noise characteristics, and operating temperature range are identical. The SOT-23-3 package pinout and mounting requirements are unchanged.

Q: What is the primary reason for substitution?

A: The ZXRE1004CFTA is classified as Obsolete. The ZXRE125CFTA maintains Active product status, ensuring continued availability and supply chain support.

Q: Are there packaging differences between these parts?

A: Both components utilize the same TO-236-3, SC-59, SOT-23-3 surface mount package. The ZXRE125CFTA is supplied in Tape & Reel (TR) packaging, while the ZXRE1004CFTA packaging format is not specified. This difference does not affect functional compatibility or circuit performance.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the ZXRE1004CFTA and ZXRE125CFTA are ROHS3 compliant, REACH unaffected, and carry identical Moisture Sensitivity Level (MSL) ratings of 1 (Unlimited).

Q: Are the electrical characteristics identical?

A: Yes. Both parts provide 1.22V fixed output with ±0.5% tolerance, 20 mA output current, 75ppm/°C temperature coefficient, 60µVrms noise (10Hz to 10kHz), 8 µA cathode current, and -40°C to 85°C operating temperature range.