XC6121F522ER-G Equivalent & Substitute Parts

Part Overview

The XC6121F522ER-G is an active supervisor integrated circuit manufactured by Torex Semiconductor Ltd, classified as a Power Management (PMIC) component. This single-channel watchdog circuit monitors voltage levels and provides active-low reset output through an open-drain or open-collector configuration. The device is designed for surface-mount applications in 6-USPC (1.8x2) packaging.

The XC6121F522ER-G maintains active product status with 1063 units currently in stock. Equivalent substitute parts are identified based on matching electrical specifications, mechanical compatibility, and regulatory compliance to support component procurement flexibility and supply chain continuity.

Substiute Parts

XC6121F522ER-G

Torex Semiconductor LtdIn Stock: 1163XC6121F522ER-G Datasheet

Current PartRFQ

XC6123C522ER-G

Torex Semiconductor LtdIn Stock: 1023XC6123C522ER-G Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the XC6121F522ER-G are identified through parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following matching criteria:

Electrical Specifications:

• Single-channel voltage monitoring configuration
• 2.2V voltage threshold setting
• Open-drain or open-collector output topology
• Active-low reset signal logic
• 400ms typical reset timeout duration
• Operating temperature range of -40°C to 85°C

Mechanical & Physical Specifications:

• 6-UFDFN exposed pad package configuration
• 6-USPC (1.8x2) supplier device package
• Surface-mount mounting type
• Tape & reel packaging format

Regulatory & Compliance Specifications:

• ROHS3 compliance status
• Moisture sensitivity level 1 (unlimited shelf life)
• REACH unaffected classification
• EAR99 export control classification
• HTSUS code 8542.39.0001

Parts meeting all parameters listed above are classified as parametric equivalents and direct substitutes for the XC6121F522ER-G.

Parameter Comparison

Engineering Selection Recommendations

The XC6123C522ER-G is a direct parametric equivalent to the XC6121F522ER-G. Both devices are manufactured by Torex Semiconductor Ltd and share identical electrical specifications, mechanical packaging, and regulatory compliance certifications.

Selection Basis:

Both parts maintain active product status and are ROHS3 compliant with REACH unaffected classification, confirming current manufacturing standards and regulatory alignment. The identical voltage threshold (2.2V), reset timeout (400ms typical), and operating temperature range (-40°C to 85°C) ensure functional interchangeability in supervisor circuit applications.

The 6-USPC (1.8x2) package configuration and surface-mount design are identical across both parts, confirming mechanical and PCB layout compatibility. Both devices feature open-drain or open-collector output with active-low reset logic, supporting equivalent circuit integration.

Inventory availability differs between the two parts: XC6121F522ER-G has 1063 units in stock, while XC6123C522ER-G has 997 units in stock. Selection between these equivalent parts may be based on supply chain availability and procurement lead times.

Frequently Asked Questions (FAQ)

Q: Can the XC6123C522ER-G be used as a direct replacement for the XC6121F522ER-G?

A: Yes. The XC6123C522ER-G is a parametric equivalent with identical electrical specifications, voltage threshold (2.2V), reset timeout (400ms typical), output configuration (open-drain or open-collector), and package format (6-USPC 1.8x2). Both parts are surface-mount compatible and share the same regulatory compliance status.

Q: Are there any differences in the package or pinout between these parts?

A: No. Both the XC6121F522ER-G and XC6123C522ER-G use the 6-UFDFN exposed pad package with 6-USPC (1.8x2) supplier device package designation. Pinout and mechanical dimensions are identical, ensuring direct PCB compatibility.

Q: What is the operating temperature range for these supervisor circuits?

A: Both parts operate across -40°C to 85°C (TA). This temperature range applies to all electrical specifications and performance characteristics.

Q: Do these parts require special handling or storage conditions?

A: Both parts have Moisture Sensitivity Level (MSL) 1, indicating unlimited shelf life without moisture-related degradation concerns. Standard ESD precautions for surface-mount components apply.

Q: Are these parts compliant with current environmental regulations?

A: Yes. Both the XC6121F522ER-G and XC6123C522ER-G are ROHS3 compliant and REACH unaffected, confirming compliance with current environmental and hazardous substance regulations.

Q: What is the reset timeout specification for these supervisor circuits?

A: The reset timeout is 400ms typical for both parts. This specification defines the duration of the active-low reset output signal following a voltage threshold violation or power-up event.

Q: Can these parts be used in tape and reel format for automated assembly?

A: Yes. Both parts are supplied in Tape & Reel (TR) packaging format, suitable for automated pick-and-place assembly processes.