PBLS4004Y,115 Pre-Biased Bipolar Transistor Equivalent & Substitute Parts

Part Overview

The PBLS4004Y,115 is an active pre-biased bipolar transistor (BJT) manufactured by Nexperia USA Inc. in a 6-TSSOP surface mount package. This dual-transistor configuration integrates 1 NPN pre-biased transistor and 1 PNP transistor with integrated base and emitter resistors, designed for signal switching and amplification applications. The part is ROHS3 compliant and carries unlimited moisture sensitivity level (MSL 1) rating.

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility across multiple manufacturers is required while maintaining electrical and mechanical compatibility.

Substiute Parts

PBLS4004Y,115

Nexperia USA Inc.In Stock: 737PBLS4004Y,115 Datasheet

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DCX114YU-7-F

Diodes IncorporatedIn Stock: 125161DCX114YU-7-F Datasheet

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DCX144EU-7-F

Diodes IncorporatedIn Stock: 17263DCX144EU-7-F Datasheet

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UMD12NTR

Rohm SemiconductorIn Stock: 93322UMD12NTR Datasheet

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UMD9NTR

Rohm SemiconductorIn Stock: 29244UMD9NTR Datasheet

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UMF28NTR

Rohm SemiconductorIn Stock: 36437UMF28NTR Datasheet

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UMF5NTR

Rohm SemiconductorIn Stock: 19074UMF5NTR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PBLS4004Y,115 is determined by the following critical parameters:

Mandatory Compatibility Criteria:

• Transistor configuration: 1 NPN and 1 PNP pre-biased dual transistor
• Collector current rating: Minimum 100mA for NPN, minimum 500mA for PNP (or equivalent dual rating)
• Collector-emitter breakdown voltage: Minimum 50V for NPN, minimum 40V for PNP
• Package compatibility: 6-TSSOP, SC-88, or SOT-363 surface mount
• Mounting type: Surface mount
• Compliance: ROHS3 compliant, MSL 1

Secondary Selection Parameters:

• Transition frequency: 250MHz or higher
• Power dissipation: 150mW or higher
• Base and emitter resistor values: Variations acceptable within application-specific design constraints
• DC current gain (hFE): Variations acceptable within application-specific design constraints

Substitute parts meeting these criteria are functionally interchangeable in applications where the PBLS4004Y,115 is specified, subject to circuit-level validation of resistor network differences.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts are ROHS3 compliant and carry MSL 1 (unlimited) moisture sensitivity rating, matching the compliance profile of the PBLS4004Y,115. All parts are active products with confirmed inventory availability.

Diodes Incorporated Substitutes (DCX114YU-7-F, DCX144EU-7-F): These parts provide equivalent dual pre-biased transistor functionality in SOT-363 packaging. Both operate at 50V collector-emitter breakdown voltage and 100mA collector current. Power dissipation is rated at 200mW, which is lower than the primary part. Transition frequency is 250MHz. These parts are suitable for applications where the PBLS4004Y,115 power rating exceeds circuit requirements.

Rohm Semiconductor Substitutes (UMD12NTR, UMD9NTR, UMF28NTR, UMF5NTR): These parts are supplied in UMT6 package format (alternative to 6-TSSOP) and provide equivalent dual pre-biased transistor functionality. UMD12NTR and UMD9NTR are rated for 100mA collector current and 50V breakdown voltage with 250MHz transition frequency and 150mW power dissipation. UMF28NTR and UMF5NTR support higher PNP collector current ratings (150mA and 500mA respectively) and are suitable for applications requiring enhanced PNP performance.

Selection between substitute parts depends on specific circuit requirements for base and emitter resistor values, collector current ratings, and power dissipation margins. All substitutes maintain electrical compatibility within the specified parameter ranges.

Frequently Asked Questions (FAQ)

Q: Can DCX114YU-7-F replace PBLS4004Y,115 in all applications?

A: DCX114YU-7-F is electrically compatible for applications where the 200mW power dissipation rating is sufficient. The primary difference is reduced power handling capability (200mW vs. 300mW) and lower transition frequency (250MHz vs. 300MHz). Circuit-level validation is required to confirm suitability for specific applications.

Q: What is the difference between UMD12NTR and UMD9NTR?

A: Both parts are rated for 100mA collector current and 50V breakdown voltage with identical power and frequency specifications. The primary difference is the base resistor value: UMD12NTR has 47kOhms while UMD9NTR has 10kOhms. Selection depends on the required base bias network for the application circuit.

Q: Are the Rohm Semiconductor UMT6 packages mechanically compatible with 6-TSSOP?

A: Both UMT6 and 6-TSSOP are surface mount packages with equivalent pin counts and compatible footprints. Mechanical compatibility is confirmed for PCB assembly. Verify footprint specifications with the component datasheet for your specific PCB design.

Q: Why does UMF5NTR have a 12V PNP breakdown voltage specification?

A: UMF5NTR is designed with asymmetric voltage ratings: 50V for the NPN transistor and 12V for the PNP transistor. This part is suitable for applications where the PNP transistor operates at lower voltage levels. Applications requiring symmetric 50V/40V ratings should use alternative substitutes.

Q: Can I use UMF28NTR or UMF5NTR as direct replacements for higher current applications?

A: UMF28NTR supports 150mA PNP collector current, and UMF5NTR supports 500mA PNP collector current, both exceeding the PBLS4004Y,115 PNP rating of 500mA. These parts are suitable for applications requiring enhanced PNP current handling. Verify base resistor values (22kOhms and 47kOhms respectively) are compatible with your circuit design.

Q: What is the significance of the 300MHz transition frequency in PBLS4004Y,115?

A: The 300MHz transition frequency indicates the maximum frequency at which the transistor maintains useful gain. Substitute parts rated at 250MHz are suitable for applications operating below this frequency threshold. Applications requiring operation near or above 300MHz should prioritize the primary part or confirm substitute performance through circuit simulation.

Q: Are all substitute parts available in tape and reel packaging?

A: Diodes Incorporated parts (DCX114YU-7-F, DCX144EU-7-F) are supplied in tape and reel (TR) packaging. Rohm Semiconductor parts (UMD12NTR, UMD9NTR, UMF28NTR, UMF5NTR) are supplied in cut tape (CT) and Digi-Reel packaging. Confirm packaging format with your supplier for production requirements.