MCS1802GS-40-Z Equivalent & Substitute Parts

Part Overview

The MCS1802GS-40-Z is a 3.3V 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 ±40A sensing range with ratiometric voltage output and is housed in an 8-SOIC package. The part is currently active in production status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified when identical electrical specifications, mechanical packaging, and compliance certifications are maintained across alternative part numbers or packaging configurations from the same manufacturer.

Substiute Parts

MCS1802GS-40-Z

Monolithic Power Systems Inc.In Stock: 3456MCS1802GS-40-Z Datasheet

Current PartRFQ

MCS1802GS-40-P

Monolithic Power Systems Inc.In Stock: 1450MCS1802GS-40-P Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MCS1802GS-40-Z is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part MCS1802GS-40-P maintains identical specifications in the following key areas:

Electrical Parameters:

• Current sensing capability: ±40A
• Output configuration: Ratiometric voltage
• Sensitivity: 33mV/A
• Supply voltage range: 3V ~ 3.6V
• Frequency response: 100kHz
• Linearity tolerance: ±0.5%
• Accuracy: ±2.5%
• Response time: 5µs
• Operating temperature range: -40°C ~ 125°C (TJ)
• Measurement capability: AC/DC bidirectional

Mechanical Parameters:

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

Compliance & Certification:

• RoHS3 compliance status
• REACH unaffected designation
• Moisture sensitivity level: 1 (Unlimited)

The primary distinction between these parts is packaging format: MCS1802GS-40-Z is supplied in Tape & Reel configuration, while MCS1802GS-40-P is also supplied in Tape & Reel configuration. Both parts are manufactured by Monolithic Power Systems Inc. and carry active product status.

Parameter Comparison

Engineering Selection Recommendations

Both the MCS1802GS-40-Z and MCS1802GS-40-P are functionally equivalent Hall-effect current sensors suitable for direct substitution in applications requiring ±40A bidirectional current measurement with 3.3V supply operation. Selection between these parts should be based on:

Availability and Lead Time: The MCS1802GS-40-Z currently maintains higher inventory (3396 pcs) compared to MCS1802GS-40-P (1360 pcs). For applications with immediate procurement requirements, the MCS1802GS-40-Z may offer shorter delivery timelines.

Compliance Requirements: Both parts satisfy ROHS3 compliance and REACH unaffected status, making them suitable for applications subject to environmental and hazardous substance regulations. Moisture sensitivity level 1 (unlimited) indicates no special storage or handling requirements for either part.

Production Status: Both parts carry active product status from Monolithic Power Systems Inc., confirming ongoing manufacturer support and continued availability for future production runs.

Package Compatibility: The 8-SOIC (0.154", 3.90mm Width) surface-mount package is identical for both parts, ensuring PCB layout and reflow soldering processes remain unchanged during substitution.

Frequently Asked Questions (FAQ)

Q: Can MCS1802GS-40-P be used as a direct replacement for MCS1802GS-40-Z?

A: Yes. Both parts are electrically and mechanically identical Hall-effect current sensors with matching specifications across all critical parameters including current sensing range (±40A), output type (ratiometric voltage), sensitivity (33mV/A), supply voltage (3V ~ 3.6V), frequency response (100kHz), and package type (8-SOIC). No circuit modifications or PCB redesign are required.

Q: Are there differences in the packaging format between these two parts?

A: Both parts are supplied in Tape & Reel (TR) packaging configuration. The packaging format designation does not differ between MCS1802GS-40-Z and MCS1802GS-40-P.

Q: What is the significance of the part number suffix (-Z vs -P)?

A: The suffix designations (-Z and -P) represent different part number variants from Monolithic Power Systems Inc. Both variants maintain identical electrical specifications and mechanical packaging. The suffix does not indicate functional differences in sensor performance, output characteristics, or operating parameters.

Q: Do both parts require identical PCB layout and soldering procedures?

A: Yes. Both the MCS1802GS-40-Z and MCS1802GS-40-P use the same 8-SOIC (0.154", 3.90mm Width) surface-mount package. PCB footprints, trace routing, and reflow soldering profiles remain unchanged during substitution.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts carry identical RoHS3 compliance status and REACH unaffected designation. Moisture sensitivity level is 1 (Unlimited) for both parts, indicating no special environmental controls are required during storage or handling.

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

A: Both the MCS1802GS-40-Z and MCS1802GS-40-P operate across the temperature range of -40°C to 125°C (junction temperature). This specification is identical for both parts.

Q: Can these parts be used interchangeably in production assembly?

A: Yes. The electrical performance, mechanical compatibility, and compliance certifications are identical. Either part can be selected for production assembly without requiring design changes, test modifications, or qualification procedures.