Nexperia USA Inc. PBSS8110Y,115

Overview

PBSS8110Y,115 from NXP Semiconductors is an NPN low V_CE(sat) bipolar transistor in SOT363 (SC-88) package, designed for high-efficiency switching in 42 V automotive power systems and telecom DC-DC converters. It delivers 100 V V_CEO, 1 A continuous I_C, 3 A peak I_CM, 200 mΩ R_CE(sat), and 200 mV V_CE(sat) at I_C = 1 A / I_B = 100 mA - enabling compact, low-loss peripheral drivers for relays and LEDs.

For engineers reviewing the PBSS8110Y,115 datasheet, PBSS8110Y,115 pinout, PBSS8110Y,115 application, or PBSS8110Y,115 equivalent, key selection criteria include verified low saturation voltage under high-current drive, thermal resistance performance on FR4 PCBs, compatibility with 3.3 V/5 V base control logic, and suitability for inductive load switching in constrained space designs.

Technical Context

This BISS (Bipolar Integrated Switch) transistor uses optimized epitaxial base and emitter structures to achieve ultra-low V_CE(sat) while maintaining 100 V breakdown rating and robust secondary breakdown immunity. Its current gain (h_FE) remains stable across I_C = 1 mA to 1 A, supporting both signal-level biasing and power switching roles.

The device operates reliably from −65 °C to +150 °C junction temperature, with thermal resistance R_th(j-a) as low as 200 K/W when mounted on a 6 cm² collector pad - critical for sustained 1 A conduction in industrial ambient conditions without forced cooling.

Key Specifications

Pinout & Package

SOT363 (SC-88) 6-pin plastic surface-mount package with dual-collector configuration: pins 1, 2, 5, and 6 are internally connected to the collector; pin 3 is base; pin 4 is emitter. Standard footprint per JEDEC MO-203AA, 2.2 mm × 1.8 mm body size, 0.65 mm pitch.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar NPN low V_CE(sat) transistor applications.

Compared with ZXTN2012ZTA and MMDT2907A, PBSS8110Y,115 uniquely balances 100 V capability, 1 A DC current, dual-collector thermal design, and 200 mV saturation - making it optimal for space-constrained 42 V industrial and automotive switches requiring minimal BOM count and thermal overhead.

Availability

PBSS8110Y,115 is available at Aetrix Electronics and suitable for automotive 42 V power distribution, telecom DC-DC converter switching, and industrial inductive load driving requiring stable component supply across extended production lifecycles.

Supply support for PBSS8110Y,115 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.

PBSS8110Y,115 belongs to NXP's BISS transistor product line, engineered specifically for high-efficiency, high-reliability switching in 12–48 V power systems where low conduction loss and thermal robustness are critical.

FAQ

What is the maximum safe operating junction temperature for PBSS8110Y,115?

The absolute maximum junction temperature (T_j) is 150 °C per IEC 60134. Operation at this limit requires strict thermal design: R_th(j-a) must be ≤200 K/W, achievable only with ≥6 cm² collector copper pad on FR4. For reliable long-term use, derate to ≤125 °C junction temperature under continuous 1 A load.

Can PBSS8110Y,115 replace a MOSFET in low-side switching applications?

Yes - with caveats. Its 200 mV V_CE(sat) at 1 A matches many small-signal MOSFETs' R_DS(on) × I_D loss, but it requires 100 mA base drive vs. MOSFET gate charge. Use where drive current is available and where bipolar ruggedness against voltage transients is preferred over MOSFET gate oxide sensitivity.

Is PBSS8110Y,115 qualified for automotive applications per AEC-Q101?

No - PBSS8110Y,115 is not AEC-Q101 qualified. While its 150 °C T_j and 100 V rating meet functional requirements for 42 V systems, it lacks the stress testing, lot traceability, and failure analysis reporting mandated for automotive qualification. For AEC-compliant designs, consider NXP's pin-compatible PBSS8110X series.

How does the dual-collector SOT363 configuration improve thermal performance?

The four paralleled collector pins (1, 2, 5, 6) reduce effective bond wire and leadframe resistance, lowering total thermal resistance from junction to PCB. Measured R_th(j-a) drops from 431 K/W (standard footprint) to 200 K/W (6 cm² pad), enabling 1 A continuous operation without heatsinking - a 2.1× improvement over single-collector equivalents.