MAX4621ESE Equivalent & Substitute Parts

Part Overview

The MAX4621ESE is a 2-circuit IC switch with SPST-NO (Single Pole Single Throw - Normally Open) configuration, designed for low-impedance analog signal switching applications. This component features 5Ohm on-state resistance and operates across a wide supply voltage range of 4.5V to 36V (single supply) or ±4.5V to ±18V (dual supply). The MAX4621ESE is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

MAX4621ESE

Analog Devices Inc./Maxim IntegratedIn Stock: 3885MAX4621ESE Datasheet

Current PartRFQ

MAX4621ESE+

Analog Devices Inc./Maxim IntegratedIn Stock: 2148MAX4621ESE+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX4621ESE is determined by strict equivalence across the following critical parameters:

• Switch Circuit Configuration: Must be SPST - NO
• Number of Circuits: Must be 2
• Multiplexer/Demultiplexer Circuit: Must be 1:1
• On-State Resistance (Max): Must be 5Ohm
• Channel-to-Channel Matching (ΔRon): Must be 250mOhm
• Supply Voltage Range: Single supply 4.5V ~ 36V and dual supply ±4.5V ~ ±18V
• Switch Timing: Ton (Max) 250ns, Toff (Max) 200ns
• Charge Injection: 480pC
• Channel Capacitance: CS(off) and CD(off) both 34pF
• Leakage Current: 500pA maximum
• Crosstalk: -60dB @ 1MHz
• Operating Temperature Range: -40°C ~ 85°C
• Package: 16-SOIC surface mount

The MAX4621ESE+ meets all these criteria and qualifies as a direct functional equivalent.

Parameter Comparison

Engineering Selection Recommendations

The MAX4621ESE+ is the direct functional equivalent for the obsolete MAX4621ESE. All electrical and mechanical parameters are identical, ensuring pin-for-pin and functional compatibility in existing circuit designs.

The primary distinction between these parts is product status and regulatory compliance. The MAX4621ESE is classified as obsolete, while the MAX4621ESE+ maintains active product status. Additionally, the MAX4621ESE+ achieves ROHS3 compliance, whereas the original MAX4621ESE is RoHS non-compliant. Both parts share identical moisture sensitivity classification (MSL 1) and REACH status.

For new designs or production continuity of existing designs, the MAX4621ESE+ is the appropriate selection. The active product status ensures ongoing availability and manufacturing support. The improved RoHS compliance of the MAX4621ESE+ aligns with current environmental and regulatory standards applicable to electronic component manufacturing and distribution.

Frequently Asked Questions (FAQ)

Q: Can the MAX4621ESE+ be used as a direct replacement for the MAX4621ESE?

A: Yes. The MAX4621ESE+ is electrically and mechanically identical to the MAX4621ESE across all specified parameters. Both parts feature identical switch circuit configuration, on-state resistance, supply voltage ranges, switching times, and package specifications. No circuit modifications are required for substitution.

Q: What is the difference between the MAX4621ESE and MAX4621ESE+?

A: The primary differences are product status and regulatory compliance. The MAX4621ESE is obsolete, while the MAX4621ESE+ is active. The MAX4621ESE+ is ROHS3 compliant, whereas the MAX4621ESE is RoHS non-compliant. All electrical and mechanical specifications are identical.

Q: Are there any packaging differences between these parts?

A: Both parts use the same 16-SOIC surface mount package with 0.154" (3.90mm) width. The MAX4621ESE+ is supplied in tube packaging, while the original MAX4621ESE packaging specification was not provided. The physical component dimensions and pin configuration are identical.

Q: Why should I transition from MAX4621ESE to MAX4621ESE+?

A: The MAX4621ESE is classified as obsolete, which creates supply chain risk and limits manufacturing support. The MAX4621ESE+ maintains active product status, ensuring continued availability and technical support. Additionally, the MAX4621ESE+ meets ROHS3 environmental compliance standards, which may be required for new applications or regulatory adherence.

Q: Will the MAX4621ESE+ work in my existing circuit designed for the MAX4621ESE?

A: Yes. The MAX4621ESE+ is a direct functional equivalent with identical electrical characteristics and pin configuration. No PCB modifications, circuit redesign, or firmware changes are necessary. The component can be substituted directly into existing designs.

Q: What is the operating temperature range for both parts?

A: Both the MAX4621ESE and MAX4621ESE+ operate across the same temperature range of -40°C to 85°C (TA). No thermal performance differences exist between these parts.