BA09SFP-E2 Equivalent & Substitute Parts

Part Overview

The BA09SFP-E2 is a linear voltage regulator IC from Rohm Semiconductor designed for positive fixed 9V output at 1A current capacity in a TO-252-5 surface mount package. This device is classified as Not For New Designs, making identification of equivalent alternatives essential for ongoing production support and design updates. The part provides regulated power management with integrated over-current, over-temperature, and over-voltage protection features suitable for industrial and consumer applications requiring stable 9V rails.

Substiute Parts

BA09SFP-E2

Rohm SemiconductorIn Stock: 6986BA09SFP-E2 Datasheet

Current PartRFQ

BD90C0AWFP-CE2

Rohm SemiconductorIn Stock: 3791BD90C0AWFP-CE2 Datasheet

SimilarRFQ

BA09SFP-E2

Rohm SemiconductorIn Stock: 6986BA09SFP-E2 Datasheet

Parametric EquivalentRFQ

TL751M08QKVURQ1

Texas InstrumentsIn Stock: 951TL751M08QKVURQ1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the BA09SFP-E2 are identified based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

• Output voltage: 9V fixed (or 8V for limited applications)
• Output current capacity: minimum 750mA (BA09SFP-E2 rated at 1A)
• Package type: TO-252-5 surface mount
• Input voltage tolerance: maximum 25V or higher
• Protection features: over-current and over-temperature protection (minimum requirement)
• RoHS3 compliance and REACH unaffected status

Substitute Categories:

1. Direct Equivalent (BD90C0AWFP-CE2): Identical 9V output, 1A current, same package, with automotive qualification and improved specifications (lower quiescent current, extended temperature range to 125°C).

2. Parametric Equivalent (BA09SFP-E2): Exact duplicate specification, included for reference as a direct replacement source.

3. Functional Equivalent with Output Variance (TL751M08QKVURQ1): 8V fixed output (1V lower than primary part) with 750mA current capacity, automotive grade with AEC-Q100 qualification, same TO-252-5 package. Suitable only where 8V output meets application requirements.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Preferred): Select BD90C0AWFP-CE2 when substituting BA09SFP-E2 in active production. This part maintains identical electrical output specifications (9V, 1A) and TO-252-5 package compatibility while offering Active product status, automotive AEC-Q100 qualification, and extended operating temperature range (-40°C to 125°C). The lower quiescent current (2.5 mA vs. 5 mA) provides improved power efficiency.

For Output Voltage Tolerance Applications: Select TL751M08QKVURQ1 only when the application circuit can operate at 8V output instead of 9V. This Texas Instruments part provides Active status with automotive AEC-Q100 qualification, extended temperature range, and enhanced protection including reverse polarity protection. Output current is limited to 750mA; verify application current requirements do not exceed this threshold.

For Legacy System Maintenance: BA09SFP-E2 remains available with 6951 pieces in stock for continued support of Not For New Designs legacy systems where exact specification matching is mandatory.

Frequently Asked Questions (FAQ)

Q: Can BD90C0AWFP-CE2 directly replace BA09SFP-E2 without circuit modification? A: Yes. Both parts provide identical 9V fixed output at 1A current capacity in the same TO-252-5 package with compatible pinout. No circuit modifications are required. BD90C0AWFP-CE2 offers improved specifications including lower quiescent current and extended temperature range.

Q: What is the key difference between BA09SFP-E2 and TL751M08QKVURQ1? A: The primary difference is output voltage: BA09SFP-E2 provides 9V while TL751M08QKVURQ1 provides 8V. Additionally, TL751M08QKVURQ1 has reduced output current capacity (750mA vs. 1A). Both use identical TO-252-5 packaging. Substitution is only valid if the application circuit design permits 8V operation and current draw does not exceed 750mA.

Q: Why is BA09SFP-E2 marked as Not For New Designs? A: This status indicates the part is in mature/end-of-life phase. For new product designs, BD90C0AWFP-CE2 or TL751M08QKVURQ1 are recommended as both carry Active product status and automotive qualifications.

Q: Are all substitute parts RoHS3 compliant? A: Yes. BA09SFP-E2, BD90C0AWFP-CE2, and TL751M08QKVURQ1 are all ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements.

Q: What is the maximum input voltage for each part? A: BA09SFP-E2 supports 25V maximum input; BD90C0AWFP-CE2 supports 26.5V maximum input; TL751M08QKVURQ1 supports 26V maximum input. All three parts operate within standard industrial power supply ranges.

Q: Do all substitute parts include over-voltage protection? A: BA09SFP-E2 and TL751M08QKVURQ1 include over-voltage protection (OVP). BD90C0AWFP-CE2 includes over-current and over-temperature protection but does not specify over-voltage protection. Verify application requirements for OVP functionality.

Q: Can these parts operate at the extended temperature range of -40°C to 125°C? A: BA09SFP-E2 operates from -40°C to 85°C. BD90C0AWFP-CE2 and TL751M08QKVURQ1 both operate from -40°C to 125°C, providing superior thermal performance for industrial and automotive applications.