TIP115-BP Equivalent & Substitute Parts

Part Overview

The TIP115-BP is a Bipolar (BJT) Transistor PNP - Darlington configuration manufactured by Micro Commercial Co, designed for Through Hole mounting in TO-220AB package. This component is rated for 60 V collector-emitter breakdown voltage and 2 A maximum collector current with 2 W power dissipation capability. The TIP115-BP is classified as Obsolete product status, necessitating identification of equivalent substitute components for ongoing design requirements and procurement needs.

Substiute Parts

TIP115-BP

Micro Commercial CoIn Stock: 918TIP115-BP Datasheet

Current PartRFQ

TIP127L-BP

Micro Commercial CoIn Stock: 7235TIP127L-BP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TIP115-BP is determined by electrical and mechanical parameter compatibility within the PNP Darlington transistor category. The primary substitution criteria are:

Electrical Parameters:

• Transistor topology must be PNP configuration
• Voltage rating must equal or exceed the application requirement (60 V minimum)
• Current rating must equal or exceed the application requirement (2 A minimum)
• Power dissipation capability must equal or exceed 2 W
• Operating temperature range must encompass -55°C ~ 150°C
• DC current gain characteristics must support the intended switching or amplification function

Mechanical Parameters:

• Package type must be TO-220-3 (TO-220AB supplier package)
• Through Hole mounting compatibility required
• Physical footprint must be identical for direct board-level substitution

Compliance Parameters:

• RoHS3 compliance required
• Moisture Sensitivity Level 1 (Unlimited) acceptable

The TIP127L-BP satisfies all substitution criteria with enhanced electrical ratings that provide design margin while maintaining identical mechanical and thermal characteristics.

Parameter Comparison

Engineering Selection Recommendations

The TIP127L-BP is the qualified substitute for the TIP115-BP based on the following engineering criteria:

Product Status Alignment: The TIP127L-BP maintains Active product status with current manufacturing support, addressing the obsolescence of the TIP115-BP. This ensures long-term component availability and supply chain continuity.

Electrical Parameter Compatibility: The TIP127L-BP provides enhanced voltage (100 V vs. 60 V) and current (5 A vs. 2 A) ratings while maintaining identical power dissipation (2 W) and operating temperature range (-55°C ~ 150°C). These elevated ratings ensure the substitute component accommodates the original design specifications with additional design margin.

Mechanical and Thermal Equivalence: Both components utilize identical TO-220-3 package configuration with Through Hole mounting, enabling direct board-level substitution without PCB redesign or thermal management modifications.

Compliance Certification: Both components maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), ensuring regulatory and environmental requirement alignment.

DC Current Gain Characteristics: Both components specify minimum DC current gain of 1000, supporting equivalent switching and amplification performance in the intended application circuit.

Frequently Asked Questions (FAQ)

Q: Can the TIP127L-BP directly replace the TIP115-BP on existing PCBs?

A: Yes. Both components share identical TO-220-3 package configuration and Through Hole mounting specifications. Direct board-level substitution is possible without PCB modification or thermal management redesign.

Q: What are the key electrical differences between these components?

A: The TIP127L-BP provides higher voltage rating (100 V vs. 60 V) and higher current rating (5 A vs. 2 A). Both maintain identical 2 W power dissipation and -55°C ~ 150°C operating temperature range. These enhanced ratings provide design margin while maintaining compatibility with the original TIP115-BP specifications.

Q: Are there any circuit design considerations when substituting the TIP127L-BP for the TIP115-BP?

A: The TIP127L-BP's higher voltage and current ratings do not introduce circuit incompatibility. Base drive requirements and DC current gain characteristics remain comparable. Existing bias resistor networks and switching circuits designed for the TIP115-BP function identically with the TIP127L-BP.

Q: What is the significance of the Darlington configuration difference?

A: The TIP115-BP is specified as PNP - Darlington, while the TIP127L-BP is specified as PNP. Both are PNP topology transistors suitable for the same circuit applications. The Darlington designation indicates internal configuration but does not affect substitution compatibility for standard PNP switching and amplification functions.

Q: How do the saturation voltage specifications compare?

A: The TIP115-BP specifies 2.5V saturation at 8mA base current and 2A collector current. The TIP127L-BP specifies 4V saturation at 20mA base current and 5A collector current. These measurements occur at different operating points; the TIP127L-BP's higher saturation voltage reflects its higher current rating. For the original 2A application, saturation performance remains suitable.

Q: Are both components RoHS compliant?

A: Yes. Both the TIP115-BP and TIP127L-BP maintain ROHS3 compliance, ensuring regulatory alignment for current manufacturing and procurement requirements.

Q: What is the availability status of each component?

A: The TIP115-BP is classified as Obsolete with 908 pieces in current inventory. The TIP127L-BP is classified as Active product with 7167 pieces in current inventory, providing superior long-term supply chain availability.