MCS1806GS-3-50-Z Equivalent & Substitute Parts

Part Overview

The MCS1806GS-3-50-Z is a 3KVRMS isolated Hall-effect current sensor manufactured by Monolithic Power Systems Inc. This component is designed for AC/DC current measurement applications requiring differential, bidirectional sensing capability. The sensor delivers ratiometric voltage output with ±50A measurement range and operates within the 3V to 3.6V supply voltage window. The product maintains Active status and is widely deployed in industrial power management, motor control, and energy monitoring systems where galvanic isolation and high accuracy current sensing are essential. Substitute parts are identified to address inventory availability, regional sourcing requirements, and supply chain continuity while maintaining identical electrical and mechanical specifications.

Substiute Parts

MCS1806GS-3-50-Z

Monolithic Power Systems Inc.In Stock: 3336MCS1806GS-3-50-Z Datasheet

Current PartRFQ

MCS1806GS-3-50-P

Monolithic Power Systems Inc.In Stock: 1160MCS1806GS-3-50-P Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCS1806GS-3-50-Z is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part MCS1806GS-3-50-P shares identical specifications across the following key criteria:

Electrical Equivalence Parameters:

• Hall-effect differential sensor topology with bidirectional current measurement
• ±50A current sensing range
• 26.4mV/A sensitivity
• ±0.5% linearity and ±2.5% accuracy
• 3V to 3.6V supply voltage requirement
• 100kHz frequency response capability
• 5µs response time
• 10.5mA maximum supply current draw

Mechanical & Packaging Equivalence:

• 8-SOIC (0.154", 3.90mm Width) package footprint
• Surface mount configuration
• Identical pinout and land pattern compatibility

Compliance & Environmental Equivalence:

• ROHS3 compliance status
• Moisture Sensitivity Level 1 (Unlimited)
• REACH Unaffected classification
• -40°C to 125°C operating temperature range

The substitution is based solely on parametric matching. Both parts are manufactured by Monolithic Power Systems Inc. and maintain Active product status. The difference between MCS1806GS-3-50-Z and MCS1806GS-3-50-P is limited to packaging format designation (Z suffix versus P suffix), which does not affect electrical performance or mechanical compatibility in surface-mount applications.

Parameter Comparison

Engineering Selection Recommendations

Both MCS1806GS-3-50-Z and MCS1806GS-3-50-P are qualified for direct substitution in applications requiring isolated Hall-effect current sensing with ±50A measurement capability. Selection between these parts is based on availability and supply chain factors rather than technical performance differentiation.

MCS1806GS-3-50-Z is appropriate when:

• Current inventory stock of 3318 units meets project lead time requirements
• Existing design documentation specifies the Z suffix variant
• Supply chain sourcing prioritizes this specific packaging designation

MCS1806GS-3-50-P is appropriate when:

• The Z variant is unavailable or subject to extended lead times
• Design flexibility permits substitution of equivalent packaging variants
• Current inventory of 1086 units satisfies project requirements
• Supply chain optimization requires alternative sourcing

Both parts maintain identical electrical performance, mechanical compatibility, and regulatory compliance. The selection decision is independent of circuit design, PCB layout, or thermal management considerations, as all critical parameters remain constant across the substitution pair. Both components are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can MCS1806GS-3-50-P be used as a direct replacement for MCS1806GS-3-50-Z in existing designs?

A: Yes. Both parts are electrically and mechanically identical. The P and Z suffixes indicate packaging format designations only and do not affect electrical performance, pinout, or PCB footprint compatibility. No design modifications are required for substitution.

Q: What is the difference between the Z and P suffix designations?

A: The suffix designates the packaging format or tape configuration for automated assembly. Both variants use identical 8-SOIC (0.154", 3.90mm Width) surface-mount packages with matching pinouts and electrical specifications. The suffix difference does not impact circuit functionality or performance.

Q: Are the supply voltage requirements identical between MCS1806GS-3-50-Z and MCS1806GS-3-50-P?

A: Yes. Both parts require 3V to 3.6V supply voltage and draw a maximum of 10.5mA. Power supply design and decoupling requirements remain unchanged when substituting between these parts.

Q: Do both parts support the same current measurement range and accuracy?

A: Yes. Both MCS1806GS-3-50-Z and MCS1806GS-3-50-P measure ±50A with 26.4mV/A sensitivity, ±0.5% linearity, and ±2.5% accuracy. Measurement performance is identical across the substitution pair.

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

A: Both parts operate from -40°C to 125°C (junction temperature). Thermal management and operating environment considerations are identical for both variants.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both MCS1806GS-3-50-Z and MCS1806GS-3-50-P are ROHS3 compliant and REACH unaffected. Environmental and regulatory compliance is identical.

Q: Can these parts be used interchangeably in high-frequency applications?

A: Yes. Both parts support 100kHz frequency response with 5µs response time. High-frequency measurement and control applications can use either variant without performance degradation.

Q: Is PCB layout modification required when switching from MCS1806GS-3-50-Z to MCS1806GS-3-50-P?

A: No. Both parts use the 8-SOIC (0.154", 3.90mm Width) package with identical pinout and land pattern. PCB layout, solder pad dimensions, and component placement remain unchanged.