BA15FP-E2 Equivalent & Substitute Parts

Part Overview

The BA15FP-E2 is a linear voltage regulator IC from Rohm Semiconductor designed for positive fixed 15V output at 1A maximum current in a TO-252-3 surface mount package. This device is classified as not for new designs, making identification of suitable substitute components essential for ongoing production support and legacy system maintenance. The BA15FP-E2 provides regulated 15V output with integrated over-current, over-temperature, and over-voltage protection features.

Substiute Parts

BA15FP-E2

Rohm SemiconductorIn Stock: 2037BA15FP-E2 Datasheet

Current PartRFQ

BA7815FP-E2

Rohm SemiconductorIn Stock: 3481BA7815FP-E2 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the BA15FP-E2 is determined by the following critical parameters:

• Output Voltage: Fixed 15V output is mandatory
• Output Current Rating: Minimum 1A capability required
• Package Type: TO-252-3 (DPAK) surface mount package with identical pinout
• Input Voltage Tolerance: Maximum input voltage must accommodate system supply levels
• Operating Temperature Range: Must support -40°C to 85°C minimum
• Protection Features: Over-current and over-temperature protection required at minimum
• Compliance: ROHS3 compliance and surface mount mounting type required

The BA7815FP-E2 meets all substitution criteria as a direct equivalent, maintaining identical output voltage, current rating, package configuration, and operating temperature specifications while offering enhanced input voltage tolerance and improved PSRR performance.

Parameter Comparison

Engineering Selection Recommendations

The BA7815FP-E2 is a direct substitute for the BA15FP-E2 based on electrical and mechanical compatibility. Both devices are manufactured by Rohm Semiconductor, share identical output voltage and current specifications, and utilize the same TO-252-3 package configuration. The BA7815FP-E2 maintains ROHS3 compliance and supports the full -40°C to 85°C operating temperature range required for the original design.

The BA7815FP-E2 offers enhanced specifications including increased maximum input voltage tolerance (30V versus 25V) and improved power supply rejection ratio (62 dB versus 55 dB at 120Hz). The substitute part carries active product status, ensuring continued availability and manufacturing support compared to the original BA15FP-E2 which is not recommended for new designs.

Selection between these parts should be based on application input voltage requirements and noise performance specifications. For systems operating below 25V input, either part is suitable. For systems requiring input voltages between 25V and 30V, the BA7815FP-E2 is required.

Frequently Asked Questions (FAQ)

Q: Can the BA7815FP-E2 replace the BA15FP-E2 in existing designs?

A: Yes. Both devices provide 15V fixed output at 1A in identical TO-252-3 packages with matching pinout. Electrical performance is compatible for applications operating within 25V maximum input voltage.

Q: What is the primary difference between these two regulators?

A: The BA7815FP-E2 supports higher maximum input voltage (30V versus 25V) and provides improved PSRR performance (62 dB versus 55 dB at 120Hz). The BA7815FP-E2 also carries active product status.

Q: Are the package dimensions identical?

A: Yes. Both parts use TO-252-3 DPAK (2 Leads + Tab) surface mount packages with identical pinout and mechanical dimensions, enabling direct PCB layout compatibility.

Q: What protection features are included?

A: The BA15FP-E2 includes over-current, over-temperature, and over-voltage protection. The BA7815FP-E2 includes over-current and over-temperature protection.

Q: Are both parts RoHS compliant?

A: Yes. Both the BA15FP-E2 and BA7815FP-E2 are ROHS3 compliant and REACH unaffected.

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

A: Both regulators operate across -40°C to 85°C, supporting industrial and commercial temperature specifications.

Q: Can these parts be used interchangeably in all applications?

A: Interchangeability is confirmed for applications with input voltages up to 25V. Applications requiring input voltages between 25V and 30V require the BA7815FP-E2 specifically.