MCS1803GS-20-Z Equivalent & Substitute Parts

Part Overview

The MCS1803GS-20-Z is a 5V linear Hall-effect current sensor manufactured by Monolithic Power Systems Inc. This device functions as a bidirectional current sensor capable of measuring AC/DC currents in the ±20A range with ratiometric voltage output. The component is housed in an 8-SOIC surface mount package and is actively produced. Alternative packaging configurations of this sensor are available to accommodate different procurement and assembly requirements while maintaining identical electrical performance characteristics.

Substiute Parts

MCS1803GS-20-Z
Monolithic Power Systems Inc.In Stock: 30414MCS1803GS-20-Z Datasheet
MCS1803GS-20-Z
Current Part
MCS1803GS-20-P
Monolithic Power Systems Inc.In Stock: 1726MCS1803GS-20-P Datasheet
MCS1803GS-20-P
Parametric Equivalent

Key Parameters

Parameter Value
Sensor Type Hall Effect
Current Sensing Range ±20A
Number of Channels 1
Output Type Ratiometric, Voltage
Sensitivity 100mV/A
Supply Voltage 4.5V ~ 5.5V
Frequency Response 100kHz
Linearity ±0.5%
Accuracy ±2.5%
Response Time 5µs
Operating Temperature Range -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

The MCS1803GS-20-Z and its substitute part MCS1803GS-20-P are functionally equivalent Hall-effect current sensors from Monolithic Power Systems Inc. Both devices share identical electrical specifications and performance characteristics. The substitution is based strictly on the following matching parameters:

  • Current sensing capability: ±20A bidirectional
  • Output configuration: Ratiometric voltage output
  • Sensitivity: 100mV/A
  • Supply voltage range: 4.5V ~ 5.5V
  • Frequency response: 100kHz
  • Linearity tolerance: ±0.5%
  • Accuracy: ±2.5%
  • Response time: 5µs
  • Operating temperature range: -40°C ~ 125°C
  • Package form factor: 8-SOIC (0.154", 3.90mm Width)
  • Mounting technology: Surface mount
  • Compliance certifications: ROHS3, REACH Unaffected

The only difference between these parts is the packaging format: the MCS1803GS-20-Z is supplied in Cut Tape (CT) & Digi-Reel® format, while the MCS1803GS-20-P is supplied in Tape & Reel (TR) format. Both packaging options are suitable for automated assembly processes.

Parameter Comparison

Parameter MCS1803GS-20-Z MCS1803GS-20-P Match Status
Manufacturer Monolithic Power Systems Inc. Monolithic Power Systems Inc. Identical
Sensor Type Hall Effect Hall Effect Identical
Current Sensing Range ±20A ±20A Identical
Number of Channels 1 1 Identical
Output Type Ratiometric, Voltage Ratiometric, Voltage Identical
Sensitivity 100mV/A 100mV/A Identical
Frequency Response 100kHz 100kHz Identical
Linearity ±0.5% ±0.5% Identical
Accuracy ±2.5% ±2.5% Identical
Supply Voltage 4.5V ~ 5.5V 4.5V ~ 5.5V Identical
Response Time 5µs 5µs Identical
Current Supply (Max) 10.5mA 10.5mA Identical
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) Identical
Polarization Bidirectional Bidirectional Identical
Package / Case 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
Packaging Format Cut Tape (CT) & Digi-Reel® Tape & Reel (TR) Different

Engineering Selection Recommendations

Both the MCS1803GS-20-Z and MCS1803GS-20-P are active products from Monolithic Power Systems Inc. with full ROHS3 compliance and REACH unaffected status. Selection between these parts should be based on packaging and procurement requirements:

MCS1803GS-20-Z (Cut Tape & Digi-Reel®): Suitable for applications requiring smaller order quantities or mixed component sourcing. This packaging format accommodates both manual and automated assembly processes.

MCS1803GS-20-P (Tape & Reel): Optimized for high-volume production environments utilizing standard pick-and-place assembly equipment. Tape & Reel packaging provides enhanced efficiency in automated manufacturing workflows.

Both parts deliver identical electrical performance, thermal characteristics, and regulatory compliance. The choice between them is determined by production volume, assembly methodology, and supply chain logistics rather than technical performance criteria.

Frequently Asked Questions (FAQ)

Q: Are the MCS1803GS-20-Z and MCS1803GS-20-P electrically interchangeable?

A: Yes. Both parts are manufactured by Monolithic Power Systems Inc. and share identical electrical specifications, including current sensing range (±20A), output sensitivity (100mV/A), accuracy (±2.5%), linearity (±0.5%), and all other performance parameters. They are direct functional equivalents.

Q: What is the difference between Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR) packaging?

A: Cut Tape & Digi-Reel® packaging is supplied in shorter tape lengths suitable for smaller orders and mixed component sourcing. Tape & Reel packaging is supplied in full reels optimized for high-volume automated assembly. Both formats use identical 8-SOIC package geometry and are compatible with standard surface mount assembly equipment.

Q: Can I use MCS1803GS-20-P as a direct replacement for MCS1803GS-20-Z in existing designs?

A: Yes. The MCS1803GS-20-P is a direct substitute for the MCS1803GS-20-Z. Both parts have identical pinout, package dimensions (8-SOIC, 0.154" width), and electrical characteristics. No circuit modifications or design changes are required.

Q: Are both parts compliant with current environmental regulations?

A: Yes. Both the MCS1803GS-20-Z and MCS1803GS-20-P are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components.

Q: What is the moisture sensitivity level for these Hall-effect current sensors?

A: Both parts have a Moisture Sensitivity Level (MSL) of 1, which indicates unlimited shelf life under standard storage conditions. No special moisture control measures are required during storage or handling.

Q: Which packaging option should I select for my application?

A: Selection depends on production volume and assembly methodology. For low-to-medium volume production or prototype development, the MCS1803GS-20-Z (Cut Tape & Digi-Reel®) is appropriate. For high-volume manufacturing with automated pick-and-place equipment, the MCS1803GS-20-P (Tape & Reel) is more efficient and cost-effective.

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