INA201AID Equivalent & Substitute Parts

Part Overview

The INA201AID is an active high-side current monitor IC manufactured by Texas Instruments, designed for power management applications. This 8-SOIC surface mount device delivers ±4.6% measurement accuracy across an input voltage range of -16V to 80V and operates reliably from -40°C to 125°C. The device maintains Active product status with full ROHS3 compliance and REACH unaffected certification, making it suitable for industrial and commercial power monitoring circuits. Substitute parts are identified when equivalent functional performance, package compatibility, and electrical specifications align with application requirements.

Substiute Parts

INA201AID

Texas InstrumentsIn Stock: 3374INA201AID Datasheet

Current PartRFQ

INA200AID

Texas InstrumentsIn Stock: 55853INA200AID Datasheet

Parametric EquivalentRFQ

INA202AID

Texas InstrumentsIn Stock: 1081INA202AID Datasheet

Parametric EquivalentRFQ

INA270AID

Texas InstrumentsIn Stock: 987INA270AID Datasheet

Parametric EquivalentRFQ

INA271AID

Texas InstrumentsIn Stock: 10286INA271AID Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the INA201AID are qualified based on strict alignment with the following critical parameters: identical high-side current monitoring function, matching 8-SOIC package geometry, compatible input voltage range (-16V ~ 80V), overlapping operating temperature range (-40°C ~ 125°C), and equivalent surface mount mounting type. All substitute candidates maintain Active product status, ROHS3 compliance, and identical MSL rating.

Substitutes are grouped into two categories based on accuracy specification:

Category 1: Equivalent Accuracy (±4.6%) — INA200AID and INA202AID maintain identical ±4.6% accuracy, providing direct functional equivalence with no performance trade-offs.

Category 2: Enhanced Accuracy (±1%) — INA270AID and INA271AID offer superior ±1% accuracy while preserving all other electrical and mechanical parameters, suitable for applications requiring tighter measurement tolerance.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts maintain Active product status and full ROHS3 compliance, ensuring regulatory alignment with the original INA201AID. Selection between equivalent and enhanced-accuracy options depends on application measurement tolerance requirements:

For applications where ±4.6% accuracy satisfies system specifications, INA200AID and INA202AID provide direct substitution with identical performance characteristics. Both parts are manufactured by Texas Instruments and share identical electrical and mechanical parameters with the INA201AID.

For applications requiring improved measurement precision, INA270AID and INA271AID deliver ±1% accuracy while maintaining all other specifications. These parts are suitable for designs where tighter current measurement tolerance enhances system performance or diagnostic capability.

All substitute candidates are qualified for the full -40°C to 125°C operating temperature range and support identical -16V to 80V input voltage operation. Package geometry and surface mount compatibility remain consistent across all options, eliminating PCB redesign requirements.

Frequently Asked Questions (FAQ)

Q: Can INA200AID or INA202AID directly replace INA201AID without circuit modification?

A: Yes. INA200AID and INA202AID are parametric equivalents with identical accuracy (±4.6%), input voltage range (-16V ~ 80V), operating temperature range (-40°C ~ 125°C), and 8-SOIC package geometry. No circuit redesign is required.

Q: What is the primary difference between INA201AID and the INA270AID/INA271AID substitutes?

A: The primary difference is measurement accuracy. INA201AID delivers ±4.6% accuracy, while INA270AID and INA271AID offer enhanced ±1% accuracy. All other electrical and mechanical specifications remain identical.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All substitute parts use the 8-SOIC (0.154", 3.90mm Width) package, ensuring identical PCB footprint compatibility. No layout modifications are necessary.

Q: Do substitute parts maintain the same compliance certifications?

A: Yes. All substitute parts are ROHS3 compliant, REACH unaffected, and maintain identical Moisture Sensitivity Level (MSL) rating of 2 (1 Year).

Q: Which substitute should be selected for cost optimization?

A: INA200AID and INA202AID provide cost-effective substitution when ±4.6% accuracy meets application requirements. INA270AID and INA271AID are selected when enhanced ±1% accuracy justifies the cost differential.

Q: Are all substitute parts currently in Active product status?

A: Yes. All substitute parts maintain Active product status, confirming ongoing manufacturing support and availability from Texas Instruments.