IR2103STR Half-Bridge Gate Driver IC Equivalent & Substitute Parts

Part Overview

The IR2103STR is a half-bridge gate driver IC manufactured by Infineon Technologies, designed to drive IGBT and N-Channel MOSFET devices in power management applications. This component features independent dual-channel configuration with inverting and non-inverting inputs, operating across a 10V to 20V supply voltage range with a maximum bootstrap voltage of 600V.

The IR2103STR is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for systems utilizing this gate driver topology.

Substiute Parts

IR2103STR

Infineon TechnologiesIn Stock: 1316IR2103STR Datasheet

Current PartRFQ

IR2103STRPBF

Infineon TechnologiesIn Stock: 65250IR2103STRPBF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IR2103STR is determined by strict equivalence across the following critical parameters:

• Driven Configuration: Half-Bridge topology must be maintained
• Number of Drivers: Dual independent channels required
• Gate Type: IGBT and N-Channel MOSFET compatibility
• Voltage - Supply: 10V ~ 20V operating range
• Peak Output Current: 210mA source, 360mA sink capability
• Bootstrap Voltage: 600V maximum rating
• Package: 8-SOIC form factor with identical pinout
• Input Type: Inverting and Non-Inverting channels

The IR2103STRPBF represents a direct functional equivalent meeting all electrical and mechanical specifications. The primary distinction between the main part and substitute relates to product status classification and packaging configuration.

Parameter Comparison

Engineering Selection Recommendations

The IR2103STRPBF is the direct substitute for the obsolete IR2103STR. Selection of the IR2103STRPBF is supported by the following factors:

• Product Status: Active product status ensures ongoing manufacturer support and supply chain availability
• Electrical Equivalence: All functional parameters, including supply voltage, output current, bootstrap voltage, and timing characteristics, are identical
• Compliance: ROHS3 compliance of the IR2103STRPBF meets current regulatory requirements, whereas the IR2103STR is non-compliant
• Package Compatibility: Identical 8-SOIC package and pinout enable direct PCB-level substitution without layout modification
• Packaging Format: Tape & Reel configuration supports automated assembly processes

Frequently Asked Questions (FAQ)

Q: Can the IR2103STRPBF be used as a direct replacement for the IR2103STR on existing PCBs?

A: Yes. The IR2103STRPBF is electrically and mechanically equivalent to the IR2103STR. Both components share identical pinout, package dimensions (8-SOIC), and functional specifications. No PCB modifications are required.

Q: What is the difference between IR2103STR and IR2103STRPBF?

A: The primary differences are product status (Obsolete vs. Active), packaging configuration (Tube vs. Tape & Reel), RoHS compliance status (non-compliant vs. ROHS3 compliant), and moisture sensitivity level (MSL 1 vs. MSL 2). Electrical and functional performance are identical.

Q: Does the IR2103STRPBF meet RoHS requirements?

A: Yes. The IR2103STRPBF is ROHS3 compliant. The original IR2103STR is RoHS non-compliant.

Q: Are there any thermal or operating condition differences between these parts?

A: No. Both parts operate across the identical temperature range of -40°C to 150°C (TJ) and maintain the same electrical performance specifications.

Q: What packaging formats are available?

A: The IR2103STR is supplied in Tube packaging. The IR2103STRPBF is supplied in Tape & Reel (TR) format, which is standard for automated assembly operations.

Q: Is the MSL rating difference significant for storage and handling?

A: The IR2103STR has MSL 1 (Unlimited shelf life). The IR2103STRPBF has MSL 2 (1 Year shelf life). MSL 2 requires standard moisture control during storage and handling but does not affect electrical performance or long-term reliability in deployed applications.