MCS1806GS-3-40-Z Equivalent & Substitute Parts

Part Overview

The MCS1806GS-3-40-Z is an isolated Hall-effect current sensor manufactured by Monolithic Power Systems Inc., designed for AC/DC current measurement applications. This component provides bidirectional current sensing with ±40A measurement range and 3KVRMS isolation capability in an 8-SOIC surface mount package. The part is currently active in production status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product family, ensuring functional interchangeability in circuit designs without performance degradation.

Substiute Parts

MCS1806GS-3-40-Z
Monolithic Power Systems Inc.In Stock: 1174MCS1806GS-3-40-Z Datasheet
MCS1806GS-3-40-Z
Current Part
MCS1806GS-3-40-P
Monolithic Power Systems Inc.In Stock: 1367MCS1806GS-3-40-P Datasheet
MCS1806GS-3-40-P
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Monolithic Power Systems Inc.
Current Sensing Range ±40A
Sensor Type Hall Effect, Differential
Number of Channels 1
Output Type Ratiometric, Voltage
Sensitivity 33mV/A
Frequency Response 100kHz
Linearity ±0.5%
Accuracy ±2.5%
Supply Voltage 3V ~ 3.6V
Response Time 5µs
Maximum Supply Current 10.5mA
Operating Temperature Range -40°C ~ 125°C (TJ)
Polarization Bidirectional
Package Type 8-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MCS1806GS-3-40-Z are identified based on strict equivalence across all critical electrical and mechanical parameters. The substitution logic is based on the following key parameters that must remain identical:

Electrical Parameters (Must Match Exactly):

  • Current sensing range: ±40A
  • Sensor type: Hall Effect, Differential
  • Number of channels: 1
  • Output configuration: Ratiometric, Voltage
  • Sensitivity: 33mV/A
  • Frequency response: 100kHz
  • Linearity: ±0.5%
  • Accuracy: ±2.5%
  • Supply voltage range: 3V ~ 3.6V
  • Response time: 5µs
  • Maximum supply current: 10.5mA
  • Operating temperature range: -40°C ~ 125°C (TJ)
  • Polarization: Bidirectional
  • Measurement capability: AC/DC

Mechanical Parameters (Must Match Exactly):

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

Compliance Parameters (Must Match Exactly):

  • RoHS Status: ROHS3 Compliant
  • Moisture Sensitivity Level: 1 (Unlimited)
  • REACH Status: REACH Unaffected

The only allowable variation is in packaging format (Tape & Reel designation), which does not affect functional performance or circuit compatibility.

Parameter Comparison

Parameter MCS1806GS-3-40-Z MCS1806GS-3-40-P Match Status
Manufacturer Monolithic Power Systems Inc. Monolithic Power Systems Inc. Identical
Current Sensing Range ±40A ±40A Identical
Sensor Type Hall Effect, Differential Hall Effect, Differential Identical
Number of Channels 1 1 Identical
Output Type Ratiometric, Voltage Ratiometric, Voltage Identical
Sensitivity 33mV/A 33mV/A Identical
Frequency Response 100kHz 100kHz Identical
Linearity ±0.5% ±0.5% Identical
Accuracy ±2.5% ±2.5% Identical
Supply Voltage 3V ~ 3.6V 3V ~ 3.6V Identical
Response Time 5µs 5µs Identical
Maximum Supply Current 10.5mA 10.5mA Identical
Operating Temperature Range -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) Identical
Polarization Bidirectional Bidirectional Identical
Package Type 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) Identical
Mounting Type Surface Mount Surface Mount Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited) Identical
REACH Status REACH Unaffected REACH Unaffected Identical
Product Status Active Active Identical

Engineering Selection Recommendations

The MCS1806GS-3-40-P is a direct parametric equivalent to the MCS1806GS-3-40-Z. Both components are manufactured by Monolithic Power Systems Inc. and maintain identical electrical specifications, mechanical dimensions, and compliance certifications. Both parts are active in production status with full RoHS3 compliance and REACH unaffected designation.

Selection between these two parts is based on packaging format availability and supply chain considerations. The MCS1806GS-3-40-Z is supplied in Tape & Reel format with 1086 pieces currently in stock. The MCS1806GS-3-40-P is also supplied in Tape & Reel format with 1269 pieces currently in stock. Both parts are suitable for direct substitution in circuit designs without modification to PCB layout, schematic connections, or firmware calibration parameters.

Frequently Asked Questions (FAQ)

Q: Can MCS1806GS-3-40-P be used as a direct replacement for MCS1806GS-3-40-Z?

A: Yes. Both parts are parametric equivalents with identical electrical performance, mechanical dimensions, and compliance certifications. No circuit modifications are required for substitution.

Q: Are there any differences in package dimensions between these parts?

A: No. Both parts use the 8-SOIC (0.154", 3.90mm Width) package with identical pin spacing and PCB footprint requirements.

Q: Do both parts have the same current sensing accuracy?

A: Yes. Both parts provide ±2.5% accuracy with 33mV/A sensitivity and ±0.5% linearity across the ±40A measurement range.

Q: Are both parts RoHS3 compliant?

A: Yes. Both MCS1806GS-3-40-Z and MCS1806GS-3-40-P are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited) and REACH unaffected status.

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

A: Both parts operate from -40°C to 125°C junction temperature (TJ), suitable for industrial and automotive applications.

Q: Do both parts require identical supply voltage?

A: Yes. Both parts require a supply voltage range of 3V to 3.6V with maximum supply current of 10.5mA.

Q: Is there any difference in frequency response between these parts?

A: No. Both parts provide 100kHz frequency response with 5µs response time for AC/DC current measurement applications.

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