MCS1803GS-50-P Hall Effect Current Sensor Equivalent & Substitute Parts

Part Overview

The MCS1803GS-50-P is a 5V linear Hall-effect current sensor manufactured by Monolithic Power Systems Inc., designed for bidirectional AC/DC current measurement applications. This surface-mount device operates in the ±50A sensing range with ratiometric voltage output and is housed in an 8-SOIC package. The part maintains Active product status and is ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Equivalent and substitute parts are identified to support component availability, supply chain continuity, and design flexibility while maintaining identical electrical and mechanical specifications.

Substiute Parts

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

Key Parameters

Parameter Value
Manufacturer Monolithic Power Systems Inc.
Sensor Type Hall Effect
Current Sensing Range ±50A
Number of Channels 1
Output Type Ratiometric, Voltage
Sensitivity 40mV/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
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

Substitution of the MCS1803GS-50-P is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part MCS1803GS-50-Z is classified as a parametric equivalent based on the following criteria:

Electrical Parameter Equivalence:

  • Identical current sensing range (±50A)
  • Identical output characteristics (Ratiometric, Voltage)
  • Identical sensitivity (40mV/A)
  • Identical frequency response (100kHz)
  • Identical linearity specification (±0.5%)
  • Identical accuracy specification (±2.5%)
  • Identical supply voltage range (4.5V ~ 5.5V)
  • Identical response time (5µs)
  • Identical maximum supply current (10.5mA)
  • Identical operating temperature range (-40°C ~ 125°C)

Mechanical Parameter Equivalence:

  • Identical package type (8-SOIC, 0.154", 3.90mm Width)
  • Identical mounting type (Surface Mount)
  • Identical supplier device package (8-SOIC)

Compliance Equivalence:

  • Identical RoHS status (ROHS3 Compliant)
  • Identical moisture sensitivity level (MSL 1)
  • Identical REACH status (REACH Unaffected)

Parameter Comparison

Parameter MCS1803GS-50-P MCS1803GS-50-Z Match
Manufacturer Monolithic Power Systems Inc. Monolithic Power Systems Inc.
Sensor Type Hall Effect Hall Effect
Current Sensing Range ±50A ±50A
Number of Channels 1 1
Output Type Ratiometric, Voltage Ratiometric, Voltage
Sensitivity 40mV/A 40mV/A
Frequency Response 100kHz 100kHz
Linearity ±0.5% ±0.5%
Accuracy ±2.5% ±2.5%
Supply Voltage 4.5V ~ 5.5V 4.5V ~ 5.5V
Response Time 5µs 5µs
Maximum Supply Current 10.5mA 10.5mA
Operating Temperature Range -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Polarization Bidirectional Bidirectional
Package Type 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount Surface Mount
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected
Product Status Active Active

Engineering Selection Recommendations

Both the MCS1803GS-50-P and MCS1803GS-50-Z are suitable for direct substitution in applications requiring a 5V linear Hall-effect current sensor with ±50A bidirectional measurement capability. Selection between these parts is based on availability and supply chain considerations rather than technical differentiation.

Selection Criteria:

The MCS1803GS-50-Z offers higher inventory availability (3271 pieces in stock) compared to the MCS1803GS-50-P (1409 pieces in stock), making it the preferred choice for high-volume procurement or time-sensitive applications.

Both parts maintain identical compliance certifications (ROHS3 Compliant, REACH Unaffected) and are suitable for applications requiring environmental and regulatory adherence. The unlimited moisture sensitivity rating (MSL 1) on both parts eliminates moisture-related handling constraints.

Both parts are classified as Active products, ensuring continued manufacturer support and long-term availability.

Frequently Asked Questions (FAQ)

Q: Can MCS1803GS-50-Z be used as a direct replacement for MCS1803GS-50-P?

A: Yes. The MCS1803GS-50-Z is a parametric equivalent with identical electrical specifications, output characteristics, and package configuration. No circuit modifications or design changes are required for substitution.

Q: Are there differences in the 8-SOIC package dimensions between these parts?

A: No. Both parts use the identical 8-SOIC package with 0.154" (3.90mm) width. PCB footprints and assembly processes remain unchanged.

Q: Do both parts have the same supply voltage requirements?

A: Yes. Both the MCS1803GS-50-P and MCS1803GS-50-Z operate within the 4.5V to 5.5V supply voltage range with identical maximum supply current specifications (10.5mA).

Q: What is the difference between these part numbers?

A: The part numbers differ only in the suffix designation (P versus Z). This suffix typically indicates packaging or tape configuration within the same product line. All electrical and mechanical specifications are identical.

Q: Are both parts suitable for AC and DC current measurement?

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

Q: What is the response time for current measurement?

A: Both parts have an identical response time of 5µs, supporting applications requiring fast current transient detection up to 100kHz frequency response.

Q: Do these parts require special handling for moisture sensitivity?

A: No. Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints. Standard handling procedures apply without special desiccant or baking requirements.

Q: Are both parts RoHS compliant?

A: Yes. Both the MCS1803GS-50-P and MCS1803GS-50-Z are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for commercial and industrial applications.

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