NXP Semiconductors PMEM4010ND,115

Overview

PMEM4010ND from NXP Semiconductors is an integrated NPN transistor and Schottky diode module in a single SOT457 (SC-74) surface-mount package, designed for high-efficiency switching in DC/DC converters and inductive load drivers. It delivers 1 A continuous collector current, 1 A diode forward current, 210 mV V_CEsat at 1 A, 480–550 mV V_F at 1 A, and 600 mW total power dissipation.

For engineers reviewing the PMEM4010ND datasheet, PMEM4010ND pinout, PMEM4010ND application, or PMEM4010ND equivalent, key selection considerations include its dual-function integration, low saturation voltage, ultra-fast Schottky switching, guard ring protection, and compact 6-pin SMD footprint for space-constrained power stage designs.

Technical Context

The PMEM4010ND combines a planar NPN transistor with low V_CEsat and high DC current gain (h_FE = 200–900) with a guard-ring-protected Schottky barrier diode optimized for reverse polarity protection and freewheeling. Both devices share thermal coupling on a common leadframe within the SOT457 package.

Its electrical behavior is defined by tightly coupled limiting values: T_j max = 150 °C for the transistor and 125 °C for the diode; P_tot = 600 mW at T_amb ≤ 25 °C; and R_{th j-a} = 208 K/W in free air - indicating thermal design must account for shared junction-to-ambient resistance across both elements.

Key Specifications

Pinout & Package

Package: SOT457 (SC-74), 6-lead plastic surface-mount package with exposed collector pad for thermal enhancement; dimensions per IEC/JEDEC standards (D = 3.1 mm, E = 2.7 mm, A = 1.1 mm).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar NPN transistor + Schottky diode module applications.

Compared with PMEM4010PD and MBT3904DW1T1G, the PMEM4010ND uniquely delivers 1 A NPN switching plus integrated 1 A Schottky clamping in one SOT457 package - enabling compact, high-current, low-loss power stage designs that neither alternative can match without added components or topology changes.

Availability

PMEM4010ND is available at Aetrix Electronics and suitable for DC/DC converters, inductive load drivers, and reverse polarity protection circuits requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.

Supply support for PMEM4010ND 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.

The PMEM4010ND belongs to NXP's legacy discrete power module family, engineered specifically to reduce bill-of-materials and PCB area in cost-sensitive, medium-current power switching applications such as automotive body electronics and industrial controls.

FAQ

What is the maximum continuous current rating for the PMEM4010ND transistor and diode?

The PMEM4010ND transistor supports 1 A continuous collector current (I_C) and 2 A non-repetitive peak current (I_CM). Its integrated Schottky diode supports 1 A continuous forward current (I_F) and 5 A non-repetitive peak forward current (I_FSM). These ratings assume proper PCB thermal design - specifically a 1 cm² copper pad on the collector (Pin 6) and ambient temperature ≤25 °C.

Can Pin 2 of the PMEM4010ND be used as a thermal pad or ground connection?

No - Pin 2 of the PMEM4010ND is explicitly designated "not connected" in the official NXP datasheet and has no internal bond wire or die connection. It must remain electrically floating. Thermal management relies solely on the exposed collector pad (Pin 6) and surrounding copper; using Pin 2 for grounding or heat sinking violates the device's validated thermal model and may cause reliability issues.

Is the PMEM4010ND suitable for automotive under-hood applications?

The PMEM4010ND is rated for T_amb = −65 °C to +125 °C and features a guard-ring-protected Schottky diode, making it suitable for many automotive cabin and chassis applications. However, NXP explicitly states its products are not warranted for use in safety-critical systems like engine control or airbag deployment. For under-hood use, confirm compliance with AEC-Q101 through independent qualification testing, as the PMEM4010ND datasheet does not list AEC-Q101 certification.

How does the PMEM4010ND's V_F compare to standard silicon diodes at 1 A?

At 1 A, the PMEM4010ND's Schottky diode exhibits V_F = 480–550 mV, roughly 50–60% lower than a typical 1 A silicon rectifier (e.g., 1N4007: ~1.1 V). This directly reduces power loss by ~600 mW per diode in continuous conduction, significantly improving thermal performance and efficiency in high-duty-cycle applications like motor drives and DC/DC converters.

What is the function of the guard ring in the PMEM4010ND's Schottky diode?

The guard ring in the PMEM4010ND's Schottky diode is a doped semiconductor structure surrounding the active junction that redistributes electric field lines during reverse bias. This prevents premature edge breakdown, increases VR rating margin, and improves robustness against transient voltage spikes and ESD events - particularly valuable in inductive load switching and automotive load-dump scenarios where voltage overshoots exceed the nominal 20 V reverse rating.