PBLS4003V,115 Equivalent & Substitute Parts

Part Overview

The PBLS4003V,115 is a pre-biased bipolar transistor (BJT) combining 1 NPN pre-biased and 1 PNP transistor in a single surface mount package. This integrated configuration provides simplified circuit design for switching and amplification applications requiring dual transistor functionality with internal biasing resistors.

The PBLS4003V,115 is classified as obsolete. Locating equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications currently utilizing this component.

Substiute Parts

PBLS4003V,115

NXP USA Inc.In Stock: 919PBLS4003V,115 Datasheet

Current PartRFQ

PBLS4003Y,115

Nexperia USA Inc.In Stock: 12764PBLS4003Y,115 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PBLS4003V,115 is determined by electrical and mechanical parameter equivalence. The following criteria establish valid substitute relationships:

Electrical Equivalence Requirements:

• Identical transistor configuration: 1 NPN pre-biased and 1 PNP transistor
• Matching maximum collector current ratings: 100mA (NPN) and 500mA (PNP)
• Matching collector-emitter breakdown voltages: 50V (NPN) and 40V (PNP)
• Identical internal biasing resistor values: 10kOhms (R1 and R2)
• Matching DC current gain specifications at specified test conditions
• Matching transition frequency: 300MHz
• Matching maximum power dissipation: 300mW

Mechanical Compatibility Requirements:

• Surface mount packaging format
• Compatible package footprint and pin configuration
• Identical base product number designation

Compliance Requirements:

• ROHS3 compliance maintained
• MSL rating of 1 (Unlimited) or equivalent
• REACH unaffected status

The PBLS4003Y,115 meets all electrical and mechanical equivalence criteria and is designated as the manufacturer-recommended substitute.

Parameter Comparison

Engineering Selection Recommendations

PBLS4003Y,115 as Primary Substitute:

The PBLS4003Y,115 is the manufacturer-recommended substitute for the obsolete PBLS4003V,115. This part maintains complete electrical equivalence across all specified parameters including transistor configuration, current ratings, voltage ratings, internal resistor values, gain characteristics, transition frequency, and power dissipation.

Both parts share the same base product number (PBLS4003) and are manufactured by related entities within the NXP/Nexperia organization, ensuring design continuity and performance consistency.

Product Status Advantage:

The PBLS4003Y,115 carries active product status with confirmed inventory availability (12,695 pieces in stock), whereas the PBLS4003V,115 is obsolete. This status difference makes the PBLS4003Y,115 the appropriate selection for new designs and ongoing production support.

Compliance Certification:

Both parts maintain ROHS3 compliance, MSL rating of 1 (Unlimited), and REACH unaffected status. No compliance degradation occurs with substitution.

Package Consideration:

The PBLS4003Y,115 is supplied in 6-TSSOP package format with Tape & Reel packaging. The original PBLS4003V,115 utilized SOT-666 package. PCB layout and footprint modifications are required to accommodate the different package geometry. Design validation is necessary prior to production implementation.

Frequently Asked Questions (FAQ)

Q: Can the PBLS4003Y,115 directly replace the PBLS4003V,115 without circuit modifications?

A: Electrical substitution is direct. All electrical parameters, transistor characteristics, and internal biasing resistor values are identical. However, the package format differs (6-TSSOP versus SOT-666), requiring PCB layout redesign and footprint modification. Circuit topology remains unchanged.

Q: What is the significance of the different package designations (SOT-666 vs. 6-TSSOP)?

A: SOT-666 and 6-TSSOP represent different physical package geometries and pin configurations. While both are surface mount packages with six pins, their footprints, lead spacing, and mounting requirements differ. PCB design files must be updated to accommodate the new package dimensions and pin layout.

Q: Why is the PBLS4003V,115 classified as obsolete?

A: Product obsolescence typically results from manufacturer discontinuation decisions. The PBLS4003Y,115 represents the active replacement offering from the manufacturer, providing equivalent functionality with improved supply chain availability.

Q: Are there any electrical performance differences between the two parts?

A: No. All electrical specifications are identical: collector current ratings, breakdown voltages, internal resistor values, DC current gain, transition frequency, and power dissipation. Performance in the circuit application is equivalent.

Q: What inventory considerations apply to substitution?

A: The PBLS4003V,115 has 891 pieces in stock (obsolete status). The PBLS4003Y,115 has 12,695 pieces available (active status). For ongoing production requirements, the PBLS4003Y,115 provides superior supply chain security and lead time certainty.

Q: Are compliance certifications maintained with substitution?

A: Yes. Both parts maintain ROHS3 compliance, MSL 1 (Unlimited) rating, and REACH unaffected status. No compliance degradation occurs with the substitution.

Q: What design validation steps are required before production implementation?

A: PCB layout must be redesigned for the 6-TSSOP package footprint. Electrical validation is not required due to parameter equivalence. Manufacturing process parameters (reflow profile, handling procedures) should be reviewed for the new package format.