NXP Semiconductors PBHV8115TLH215

Overview

PBHV8115TLH from Nexperia is a 150 V, 1 A NPN high-voltage low-V_CEsat transistor in SOT23 package, designed for switching applications requiring high breakdown voltage and minimal conduction loss. It delivers V_CEsat ≤ 350 mV at I_C = 1 A / I_B = 200 mA, supports peak collector current up to 2 A, and operates across −55 °C to +150 °C ambient temperature - enabling use in LED chain drivers and SMPS primary-side switches.

For engineers reviewing the PBHV8115TLH datasheet, PBHV8115TLH pinout, PBHV8115TLH application, or PBHV8115TLH equivalent, key selection criteria include verified V_CEsat performance at 1 A, absolute maximum V_CEO = 150 V, thermal resistance R_th(j-a) = 417 K/W on FR4, and confirmed SOT23 pin mapping with base-emitter-collector assignment.

Technical Context

The PBHV8115TLH employs a planar high-voltage process optimized for low saturation voltage under high collector-emitter blocking capability. Its V_CEO = 150 V and V_CBO = 400 V ratings support operation in flyback and boost topologies where transient voltage spikes exceed standard 60–100 V transistors.

Switching behavior is characterized by t_on = 575 ns and t_off = 2230 ns under defined test conditions (V_CC = 6 V, I_C = 0.5 A), while f_T = 30 MHz confirms suitability for medium-frequency switching - not RF amplification. The device exhibits h_FE = 10–300 across I_C = 50 mA to 1 A, supporting both linear and saturated switching modes.

Key Specifications

Pinout & Package

SOT23 plastic surface-mount package (2.9 mm × 1.3 mm × 1.0 mm body, 1.9 mm pitch); rated for reflow and wave soldering per IPC-J-STD-020/001.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage NPN switching applications.

Compared with PHV8115T, PBHV8115TLH offers documented R_th(j-sp) = 70 K/W for improved solder-point thermal coupling; compared with BCV46, it delivers 87% lower conduction loss at 1 A and 88% higher voltage margin - making it the sole viable option for 100–120 VDC system switching.

Availability

PBHV8115TLH is available at Aetrix Electronics and suitable for LED chain drivers, SMPS primary-side switches, and LCD backlight inverters requiring stable component supply, consistent parametric performance, and long-term industrial lifecycle support.

Supply support for PBHV8115TLH 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

Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive, industrial, and mobile applications.

The PBHV8115TLH belongs to Nexperia's high-voltage bipolar transistor product line, engineered specifically for efficient, thermally robust switching in space-constrained industrial power management systems.

FAQ

What is the maximum continuous collector current rating for PBHV8115TLH?

The PBHV8115TLH has a maximum continuous collector current (I_C) rating of 1 A at T_amb ≤ 25 °C on an FR4 PCB with standard footprint. Derating applies above 25 °C per the power derating curve - e.g., at 75 °C ambient, maximum I_C drops to approximately 0.6 A to maintain P_tot ≤ 300 mW and T_j ≤ 150 °C. This rating is validated per IEC 60134 limiting values and confirmed in Table 5 of the official PBHV8115TLH datasheet.

Does PBHV8115TLH support 150 V DC blocking in practical circuit designs?

Yes, PBHV8115TLH guarantees V_CEO = 150 V (open base) and V_CESM = 200 V (peak, V_BE = 0 V), making it suitable for 120 VAC-derived DC rails and flyback circuits with clamped voltage spikes. Real-world designs must ensure layout minimizes parasitic inductance and includes appropriate snubbing to avoid exceeding V_CESM. The PBHV8115TLH datasheet specifies these limits under IEC 60134 Absolute Maximum Ratings, and Nexperia validates them across production lots.

What is the typical V_CEsat of PBHV8115TLH at full rated current?

The PBHV8115TLH achieves V_CEsat ≤ 350 mV at I_C = 1 A and I_B = 200 mA under pulsed conditions (t_p ≤ 300 µs, duty cycle ≤ 0.02), as specified in Table 7 of the datasheet. At lower currents (e.g., I_C = 100 mA), V_CEsat drops to ≤ 60 mV. This low saturation voltage directly reduces conduction loss - for example, 350 mV × 1 A = 350 mW - which is critical for thermal management in SOT23 packages.

Can PBHV8115TLH be used as a direct replacement for BCV46 in existing designs?

No, PBHV8115TLH is not a direct replacement for BCV46 due to fundamental parameter differences: BCV46 has V_CEO = 80 V and is rated only for 100 mA continuous, whereas PBHV8115TLH is rated for 150 V and 1 A. Substituting PBHV8115TLH into a BCV46-based design may cause overdrive or layout mismatch, while substituting BCV46 into a PBHV8115TLH design risks catastrophic failure under 100+ V stress. Always verify voltage, current, and thermal requirements before interchange.

What is the thermal resistance from junction to ambient for PBHV8115TLH on standard FR4?

The PBHV8115TLH has a maximum R_th(j-a) of 417 K/W when mounted on an FR4 PCB with single-sided copper, tin-plated, and standard SOT23 footprint - as measured per JEDEC JESD51-2 and documented in Table 6 of the datasheet. This value defines the worst-case temperature rise: at 300 mW dissipation, ΔT = 417 × 0.3 ≈ 125 K, resulting in T_j ≈ 150 °C if T_amb = 25 °C. For improved thermal performance, use PCB copper pour or consider R_th(j-sp) = 70 K/W to solder point.