onsemi NJV4030PT1G

Overview

NJV4030PT1G from onsemi is a PNP silicon bipolar power transistor in SOT-223 package, rated for 40 V V_CEO, 3.0 A continuous collector current, and 2.0 W total power dissipation at T_A = 25 °C on 1"² FR-4 pad. It delivers V_CE(sat) ≤ 0.500 V at I_C = 3.0 A / I_B = 0.3 A and h_FE ≥ 100 under same conditions, supporting high-current switching in automotive body control modules.

For engineers reviewing the NJV4030PT1G datasheet, pinout, applications, or equivalent options, key selection considerations include its AEC-Q101 qualification, 40 V breakdown rating, 3.0 A DC current capability, thermal resistance of 155 °C/W (R_JA, small pad), and SOT-223 leaded package with exposed collector tab for heatsinking.

Technical Context

This PNP transistor operates in linear or saturated switching mode with guaranteed V_CEO(sus) = 40 V at I_C = 10 mA and V_BE(on) ≤ 1.0 V at I_C = 1.0 A / V_CE = 2.0 V. Its f_T = 160 MHz enables moderate-frequency switching up to ~10–20 MHz in optimized layouts.

Thermal design requires attention to mounting: R_JA degrades from 64 °C/W (1"² pad) to 155 °C/W (7.6 mm² pad), and maximum junction temperature is +150 °C. ESD robustness includes HBM Class 3B (≥8 kV) and MM Class C per datasheet.

Key Specifications

Pinout & Package

SOT-223 (Case 318E, Style 1) with exposed collector tab (pins 2 and 4 internally connected to collector). Mold compound meets UL 94 V−0 flammability standard. Lead finish is Pb-free; RoHS, halogen-free, and BFR-free compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP power transistor applications.

Compared with MJD44H11T4G and ZTX951, NJV4030PT1G offers optimal balance of 40 V rating, 3.0 A current, AEC-Q101 compliance, and SOT-223 thermal performance-making it preferred for cost-sensitive, thermally constrained automotive and industrial high-side switches.

Availability

NJV4030PT1G is available at Aetrix Electronics and suitable for automotive body electronics, industrial relay replacement, and DC motor brake circuits requiring stable component supply, AEC-Q101 qualification, and Pb-free manufacturing compliance.

Supply support for NJV4030PT1G 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

onsemi is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.

The NJV4030PT1G belongs to onsemi's Bipolar Power Transistor family, engineered for robust high-current switching in automotive and industrial environments where reliability under thermal stress and electrical transients is critical.

FAQ

What is the maximum continuous collector current rating for NJV4030PT1G?

The NJV4030PT1G is rated for 3.0 A continuous collector current at T_C = 25 °C. Derating is required above 25 °C case temperature per the power derating curve in Figure 1; at 100 °C case temperature, maximum continuous I_C drops to approximately 1.5 A. This rating assumes proper PCB copper area for thermal conduction as specified in the datasheet notes.

Is NJV4030PT1G suitable for automotive applications?

Yes, NJV4030PT1G is AEC-Q101 qualified and PPAP capable, with NJV prefix indicating automotive-specific process controls and change management. It operates across −55 °C to +150 °C junction temperature range and withstands automotive load-dump transients up to 40 V, making it suitable for body control, lighting, and actuator driver applications.

What is the pin configuration of NJV4030PT1G in the SOT-223 package?

The NJV4030PT1G uses SOT-223 (Case 318E) with pin 1 = Base, pins 2 and 4 = Collector (internally connected and tied to exposed metal tab), and pin 3 = Emitter. The exposed collector tab must be soldered to a thermal pad for effective heat dissipation; orientation matches standard SOT-223 footprint with marking dot near pin 1.

Does NJV4030PT1G have built-in ESD protection?

Yes, NJV4030PT1G features HBM ESD rating of Class 3B (≥8 kV) and MM ESD rating of Class C per JEDEC standards. These ratings are verified per the datasheet's "MAXIMUM RATINGS" table and support robust handling during automated assembly and field operation without requiring external ESD clamps in most implementations.

What is the typical V_CE(sat) of NJV4030PT1G at full load?

The NJV4030PT1G exhibits V_CE(sat) ≤ 0.500 Vdc at I_C = 3.0 Adc and I_B = 0.3 Adc, as specified in the "ON CHARACTERISTICS" table. At lower currents (e.g., I_C = 1.0 A), V_CE(sat) drops to ≤ 0.200 V, enabling efficient operation across its rated current range while maintaining thermal stability.