MCS1803GS-50-Z Equivalent & Substitute Parts

Part Overview

The MCS1803GS-50-Z is a 5V linear Hall-effect current sensor manufactured by Monolithic Power Systems Inc. This component is designed for bidirectional AC/DC current measurement with a sensing range of ±50A in a single-channel configuration. The device delivers ratiometric voltage output and operates across industrial temperature ranges from -40°C to 125°C. The part is currently in active production status and is ROHS3 compliant with unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, inventory management, or supply chain continuity.

Substiute Parts

MCS1803GS-50-Z
Monolithic Power Systems Inc.In Stock: 3355MCS1803GS-50-Z Datasheet
MCS1803GS-50-Z
Current Part
MCS1803GS-50-P
Monolithic Power Systems Inc.In Stock: 1475MCS1803GS-50-P Datasheet
MCS1803GS-50-P
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Monolithic Power Systems Inc.
Current Sensing Range ±50A
Number of Channels 1
Sensor Type Hall Effect
Output Type Ratiometric, Voltage
Sensitivity 40mV/A
Supply Voltage 4.5V ~ 5.5V
Frequency Response 100kHz
Linearity ±0.5%
Accuracy ±2.5%
Response Time 5µs
Operating Temperature -40°C ~ 125°C (TJ)
Package Type 8-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount
Polarization Bidirectional
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MCS1803GS-50-Z is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part MCS1803GS-50-P shares identical specifications in the following key areas:

Current sensing capability (±50A), single-channel Hall-effect topology, ratiometric voltage output, sensitivity (40mV/A), supply voltage range (4.5V ~ 5.5V), frequency response (100kHz), linearity (±0.5%), accuracy (±2.5%), response time (5µs), operating temperature range (-40°C ~ 125°C), and 8-SOIC surface-mount package configuration. Both parts maintain identical compliance certifications including ROHS3 compliance and unlimited moisture sensitivity rating.

The only distinction between these parts is the packaging format designation: MCS1803GS-50-Z specifies Tape & Reel packaging, while MCS1803GS-50-P also specifies Tape & Reel packaging. Both parts are manufactured by Monolithic Power Systems Inc. and carry active product status.

Parameter Comparison

Parameter MCS1803GS-50-Z MCS1803GS-50-P Match
Manufacturer Monolithic Power Systems Inc. Monolithic Power Systems Inc. Yes
Current Sensing Range ±50A ±50A Yes
Number of Channels 1 1 Yes
Sensor Type Hall Effect Hall Effect Yes
Output Type Ratiometric, Voltage Ratiometric, Voltage Yes
Sensitivity 40mV/A 40mV/A Yes
Supply Voltage 4.5V ~ 5.5V 4.5V ~ 5.5V Yes
Frequency Response 100kHz 100kHz Yes
Linearity ±0.5% ±0.5% Yes
Accuracy ±2.5% ±2.5% Yes
Response Time 5µs 5µs Yes
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) Yes
Package Type 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) Yes
Mounting Type Surface Mount Surface Mount Yes
Polarization Bidirectional Bidirectional Yes
RoHS Status ROHS3 Compliant ROHS3 Compliant Yes
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited) Yes
Product Status Active Active Yes

Engineering Selection Recommendations

Both MCS1803GS-50-Z and MCS1803GS-50-P are functionally equivalent Hall-effect current sensors with identical electrical performance specifications and mechanical compatibility. Selection between these parts is based on packaging availability and inventory status rather than technical performance differentiation.

The MCS1803GS-50-Z maintains 3271 units in current stock inventory, while the MCS1803GS-50-P maintains 1409 units. Both parts carry active product status from Monolithic Power Systems Inc., ensuring continued manufacturing support and supply chain stability.

Compliance certifications are identical across both parts: ROHS3 compliance, REACH unaffected status, and unlimited moisture sensitivity rating (MSL 1). Both parts are classified under ECCN EAR99 and HTSUS 8542.39.0001.

For applications requiring ±50A bidirectional current measurement with 40mV/A sensitivity in 8-SOIC surface-mount configuration, either part provides equivalent performance within the specified -40°C to 125°C operating temperature range and 4.5V to 5.5V supply voltage window.

Frequently Asked Questions (FAQ)

Q: Are MCS1803GS-50-Z and MCS1803GS-50-P electrically interchangeable?

A: Yes. Both parts are manufactured by Monolithic Power Systems Inc. and share identical electrical specifications including current sensing range (±50A), sensitivity (40mV/A), frequency response (100kHz), accuracy (±2.5%), and all other performance parameters.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. Both parts use identical 8-SOIC (0.154", 3.90mm Width) surface-mount packaging with the same pin configuration and mechanical footprint. No PCB redesign is required when substituting between these parts.

Q: What is the difference between MCS1803GS-50-Z and MCS1803GS-50-P?

A: Both parts are supplied in Tape & Reel (TR) packaging format. The parts are functionally and mechanically identical. Differences exist only in inventory availability and part number designation.

Q: Are both parts ROHS3 compliant?

A: Yes. Both MCS1803GS-50-Z and MCS1803GS-50-P are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Q: What is the operating temperature range for these sensors?

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

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

A: Both parts require a supply voltage between 4.5V and 5.5V for proper operation.

Q: What is the response time of these Hall-effect sensors?

A: Both parts deliver a response time of 5µs with 100kHz frequency response capability.

Q: Can these sensors measure both AC and DC current?

A: Yes. Both parts are rated for AC/DC current measurement with bidirectional sensing capability across the ±50A range.

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