TC07EUA Equivalent & Substitute Parts

Part Overview

The TC07EUA is a programmable thermostat with complementary push-pull output manufactured by Microchip Technology. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system support and new design implementations. The TC07EUA operates as a temperature-sensing switch with selectable trip points and hysteresis control, designed for thermal management applications requiring precise switching functionality.

Substiute Parts

TC07EUA

Microchip TechnologyIn Stock: 961TC07EUA Datasheet

Current PartRFQ

TCN75-3.3MUA

Microchip TechnologyIn Stock: 1281TCN75-3.3MUA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TC07EUA is determined by the following critical parameters:

Electrical Compatibility: Supply voltage range (2.7 V ~ 5.5 V), accuracy specification (±3°C), and output configuration must align with the original design requirements.

Mechanical Compatibility: Package type (8-MSOP) and mounting method (Surface Mount) ensure physical and electrical interface compatibility with existing PCB layouts.

Functional Compatibility: Temperature sensing capability, output switching functionality, and programmable control features must support the thermal management application.

Regulatory Compliance: RoHS and REACH status determine suitability for new designs and long-term supply chain viability.

The TCN75-3.3MUA is identified as the manufacturer-recommended substitute, sharing the same package footprint, supply voltage range, accuracy specification, and surface mount configuration while offering extended operating temperature range and active product status.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement: The TCN75-3.3MUA provides electrical and mechanical compatibility with identical package footprint and supply voltage specifications. The extended operating temperature range (-55°C ~ 125°C versus -40°C ~ 85°C) offers broader application flexibility. Active product status ensures long-term availability and supply chain continuity.

Regulatory Considerations: The TCN75-3.3MUA achieves ROHS3 compliance, whereas the TC07EUA is RoHS non-compliant. New designs should prioritize the compliant substitute to meet current regulatory requirements.

Interface Differences: The TCN75-3.3MUA utilizes I2C output protocol, whereas the TC07EUA employs push-pull complementary output. System integration requires verification of interface compatibility with existing control circuitry.

Frequently Asked Questions (FAQ)

Q: Can the TCN75-3.3MUA be used as a direct pin-for-pin replacement for the TC07EUA?

A: Both components share identical 8-MSOP package dimensions and pinout compatibility. However, the output interface differs: TCN75-3.3MUA uses I2C communication while TC07EUA uses push-pull output. PCB layout compatibility is confirmed, but firmware or control circuit modifications may be required to accommodate the different output protocol.

Q: What is the primary reason for substituting the TC07EUA?

A: The TC07EUA is classified as obsolete. The TCN75-3.3MUA is the manufacturer-recommended active substitute, ensuring continued availability and supply chain reliability.

Q: Are there differences in accuracy between these components?

A: Both components specify ±3°C accuracy, meeting identical precision requirements for temperature sensing applications.

Q: Does the TCN75-3.3MUA support programmable trip points like the TC07EUA?

A: The TCN75-3.3MUA includes programmable limit and output switch features accessible through I2C interface, providing equivalent functionality to the TC07EUA's programmable trip point capability.

Q: What is the impact of the extended operating temperature range in the TCN75-3.3MUA?

A: The TCN75-3.3MUA operates from -55°C to 125°C compared to the TC07EUA's -40°C to 85°C range. This extended range provides design flexibility for applications requiring operation in wider temperature environments without component substitution.

Q: Is the TCN75-3.3MUA suitable for new product designs?

A: Yes. The TCN75-3.3MUA is active product status with ROHS3 compliance, making it appropriate for new designs requiring current regulatory adherence and long-term supply availability.