MCS1806GS-5-40-Z Equivalent & Substitute Parts

Part Overview

The MCS1806GS-5-40-Z is a 3KVRMS isolated Hall-effect current sensor manufactured by Monolithic Power Systems Inc. This component functions as a differential, bidirectional current sensor with a measurement range of ±40A and ratiometric voltage output. The device is designed for AC/DC current measurement applications requiring galvanic isolation and high accuracy.

The MCS1806GS-5-40-Z maintains Active product status with 3658 units in current inventory stock. Equivalent substitute parts are identified based on identical electrical specifications, mechanical compatibility, and packaging standards to ensure direct interchangeability in circuit designs.

Substiute Parts

MCS1806GS-5-40-Z

Monolithic Power Systems Inc.In Stock: 3723MCS1806GS-5-40-Z Datasheet

Current PartRFQ

MCS1806GS-5-40-P

Monolithic Power Systems Inc.In Stock: 1129MCS1806GS-5-40-P Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MCS1806GS-5-40-Z are identified through parametric equivalence. The substitution logic is based on the following critical parameters that must remain identical for direct interchangeability:

Electrical Parameters (Must Match):

• Current sensing range: ±40A
• Sensor type: Hall Effect, Differential
• Output configuration: Ratiometric, Voltage
• Sensitivity: 50mV/A
• Frequency response: 100kHz
• Linearity: ±0.5%
• Accuracy: ±2.5%
• Supply voltage: 4.5V ~ 5.5V
• Response time: 5µs
• Maximum supply current: 10.5mA
• Operating temperature range: -40°C ~ 125°C (TJ)
• Polarization: Bidirectional

Mechanical Parameters (Must Match):

• Package type: 8-SOIC (0.154", 3.90mm Width)
• Mounting type: Surface Mount

Compliance Parameters (Must Match):

• RoHS3 Compliant
• REACH Unaffected
• Moisture Sensitivity Level: 1 (Unlimited)

The MCS1806GS-5-40-P is identified as a parametric equivalent substitute. Both parts share identical electrical and mechanical specifications, differ only in packaging format (Tape & Reel designation), and maintain equivalent compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Both the MCS1806GS-5-40-Z and MCS1806GS-5-40-P are Active status components from Monolithic Power Systems Inc. with full parametric equivalence. Selection between these parts is based on the following engineering criteria:

Availability Consideration: The MCS1806GS-5-40-Z maintains higher inventory availability at 3658 units in stock compared to 1065 units for the MCS1806GS-5-40-P. For applications requiring immediate procurement or high-volume production, the MCS1806GS-5-40-Z is the preferred selection.

Compliance Status: Both parts maintain identical compliance certifications: ROHS3 Compliant, REACH Unaffected, and Moisture Sensitivity Level 1 (Unlimited). Both are suitable for applications subject to environmental and regulatory compliance requirements.

Electrical and Mechanical Equivalence: The parts are fully interchangeable at the circuit level. All electrical parameters including current sensing range (±40A), sensitivity (50mV/A), accuracy (±2.5%), and operating temperature range (-40°C ~ 125°C) are identical. The 8-SOIC surface mount package is identical for both parts, ensuring PCB layout compatibility without modification.

Application Suitability: Both parts are suitable for AC/DC current measurement applications requiring Hall-effect isolation, differential sensing, and ratiometric voltage output. The 100kHz frequency response and 5µs response time support real-time current monitoring in power management, motor control, and industrial measurement systems.

Frequently Asked Questions (FAQ)

Q: Can MCS1806GS-5-40-P be used as a direct replacement for MCS1806GS-5-40-Z?

A: Yes. The MCS1806GS-5-40-P is a parametric equivalent substitute. All electrical specifications, mechanical dimensions, and compliance certifications are identical. Direct substitution is possible without circuit modification or performance degradation.

Q: What is the difference between MCS1806GS-5-40-Z and MCS1806GS-5-40-P?

A: The parts are electrically and mechanically identical. The difference lies in packaging format designation and current inventory levels. Both are manufactured by Monolithic Power Systems Inc. and maintain Active product status.

Q: Are the pin configurations identical between these parts?

A: Yes. Both parts use the 8-SOIC (0.154", 3.90mm Width) package with identical pin assignments. PCB layouts designed for one part are directly compatible with the other without modification.

Q: What is the current sensing accuracy of these sensors?

A: Both parts provide ±2.5% accuracy with ±0.5% linearity across the ±40A measurement range. Sensitivity is specified at 50mV/A with 5µs response time.

Q: Are these parts suitable for high-temperature applications?

A: Yes. Both parts operate across the temperature range of -40°C to 125°C (junction temperature). This range supports industrial and automotive applications requiring extended thermal operating windows.

Q: What supply voltage is required for these current sensors?

A: Both parts require a supply voltage of 4.5V to 5.5V with maximum supply current of 10.5mA. This specification supports standard 5V logic supply systems.

Q: Do these parts require isolation from the measured current path?

A: Yes. Both parts provide 3KVRMS galvanic isolation between the primary current path and the secondary output signal. This isolation is inherent to the Hall-effect sensor design and does not require external isolation components.

Q: What is the frequency response capability of these sensors?

A: Both parts support 100kHz frequency response, enabling measurement of AC currents and transient current changes in switching power supplies and motor drive applications.

Q: Are these parts RoHS compliant?

A: Yes. Both parts are ROHS3 Compliant and REACH Unaffected, meeting environmental and regulatory requirements for electronic component manufacturing and use.

Q: What is the moisture sensitivity level of these parts?

A: Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage, handling, or assembly processes.