PBLS1503V,115 Equivalent & Substitute Parts

Part Overview

The PBLS1503V,115 is a pre-biased bipolar transistor (BJT) manufactured by NXP USA Inc., combining 1 NPN pre-biased and 1 PNP transistor in a single SOT-666 surface mount package. This component is rated for 50V/15V collector-emitter breakdown voltage, 100mA/500mA maximum collector current, and 280MHz transition frequency with 300mW maximum power dissipation.

The PBLS1503V,115 is classified as obsolete. Locating equivalent or substitute parts is necessary to support ongoing production requirements, maintenance operations, and design continuity where this component was originally specified.

Key Parameters

Parameter	Value
Transistor Type	1 NPN Pre-Biased, 1 PNP
Voltage - Collector Emitter Breakdown (Max)	50V, 15V
Current - Collector (Ic) (Max)	100mA, 500mA
Resistor - Base (R1)	10kOhms
Resistor - Emitter Base (R2)	10kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce	30 @ 5mA, 5V / 150 @ 100mA, 2V
Vce Saturation (Max) @ Ib, Ic	150mV @ 500µA, 10mA / 250mV @ 50mA, 500mA
Current - Collector Cutoff (Max)	1µA, 100nA
Frequency - Transition	280MHz
Power - Max	300mW
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the PBLS1503V,115 is determined by electrical and mechanical parameter equivalence. The substitute part must satisfy the following criteria:

Electrical Parameters (Mandatory Match):

Transistor configuration: 1 NPN pre-biased and 1 PNP transistor
Collector-emitter breakdown voltage: 50V and 15V
Maximum collector current: 100mA and 500mA
Internal base resistor (R1): 10kOhms
Internal emitter-base resistor (R2): 10kOhms
DC current gain (hFE): 30 @ 5mA, 5V and 150 @ 100mA, 2V
Saturation voltage: 150mV @ 500µA, 10mA and 250mV @ 50mA, 500mA
Collector cutoff current: 1µA and 100nA
Transition frequency: 280MHz
Maximum power dissipation: 300mW

Mechanical Parameters (Mandatory Match):

Mounting type: Surface mount
Moisture sensitivity level: 1 (Unlimited)

Package Compatibility: Substitute parts may use different surface mount packages (SOT-666, 6-TSSOP, SC-88, SOT-363) provided the pin configuration and electrical characteristics remain equivalent.

Parameter Comparison

Parameter	PBLS1503V,115	PBLS1503Y,115
Manufacturer	NXP USA Inc.	NXP Semiconductors
Product Status	Obsolete	Active
Transistor Type	1 NPN Pre-Biased, 1 PNP	1 NPN Pre-Biased, 1 PNP
Voltage - Collector Emitter Breakdown (Max)	50V, 15V	50V, 15V
Current - Collector (Ic) (Max)	100mA, 500mA	100mA, 500mA
Resistor - Base (R1)	10kOhms	10kOhms
Resistor - Emitter Base (R2)	10kOhms	10kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce	30 @ 5mA, 5V / 150 @ 100mA, 2V	30 @ 5mA, 5V / 150 @ 100mA, 2V
Vce Saturation (Max) @ Ib, Ic	150mV @ 500µA, 10mA / 250mV @ 50mA, 500mA	150mV @ 500µA, 10mA / 250mV @ 50mA, 500mA
Current - Collector Cutoff (Max)	1µA, 100nA	1µA, 100nA
Frequency - Transition	280MHz	280MHz
Power - Max	300mW	300mW
Mounting Type	Surface Mount	Surface Mount
Package / Case	SOT-563, SOT-666	6-TSSOP, SC-88, SOT-363
Supplier Device Package	SOT-666	6-TSSOP
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

The PBLS1503Y,115 is the manufacturer-recommended substitute for the obsolete PBLS1503V,115. Both components are manufactured by NXP and share identical electrical specifications across all critical parameters: transistor configuration, voltage ratings, current ratings, gain characteristics, saturation voltage, cutoff current, transition frequency, and power dissipation.

The PBLS1503Y,115 holds active product status, ensuring continued availability and supply chain support. Both parts maintain equivalent moisture sensitivity levels (MSL 1) and REACH compliance status, supporting regulatory and environmental requirements.

The primary difference between these parts is the supplier device package: PBLS1503V,115 uses SOT-666 packaging, while PBLS1503Y,115 uses 6-TSSOP packaging. Both are surface mount packages with compatible pin configurations for the pre-biased BJT application. PCB layout and footprint modifications may be required to accommodate the package transition.

Frequently Asked Questions (FAQ)

Q: Can PBLS1503Y,115 directly replace PBLS1503V,115 without circuit modifications?

A: The PBLS1503Y,115 provides electrical equivalence across all specified parameters. However, the package change from SOT-666 to 6-TSSOP requires PCB footprint and layout modifications. Pin-to-pin electrical functionality remains identical.

Q: What is the significance of the product status change from Obsolete to Active?

A: The PBLS1503Y,115 active status indicates ongoing manufacturing and availability through authorized distributors. The PBLS1503V,115 obsolete status means production has ceased and existing inventory is limited. Transitioning to the active substitute ensures long-term supply chain continuity.

Q: Are the internal resistor values identical between these parts?

A: Yes. Both PBLS1503V,115 and PBLS1503Y,115 contain identical internal base resistor (R1) and emitter-base resistor (R2) values of 10kOhms each.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both components maintain REACH Unaffected status and MSL 1 (Unlimited) moisture sensitivity levels, supporting equivalent regulatory and environmental compliance requirements.

Q: What package options are available for the PBLS1503 base product number?

A: The PBLS1503 base product supports multiple surface mount packages including SOT-666, 6-TSSOP, SC-88, and SOT-363. Package selection depends on specific application requirements and PCB design constraints.

Q: Are there any differences in the DC current gain specifications?

A: No. Both parts specify identical DC current gain (hFE) minimum values: 30 @ 5mA, 5V and 150 @ 100mA, 2V.

Q: What is the maximum power dissipation for both parts?

A: Both PBLS1503V,115 and PBLS1503Y,115 are rated for 300mW maximum power dissipation.

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