onsemi FGA180N33ATTU

Overview

FGA180N33ATTU from Fairchild Semiconductor is a 330V, 180A trench IGBT optimized for plasma display panel (PDP) power switching, featuring V_CE(sat) = 1.1 V @ I_C = 40 A, R_θJC = 0.32 °C/W, and TO-3P package with isolated collector tab. It delivers low conduction loss and fast switching in high-current PDP sustain circuits.

For engineers reviewing the FGA180N33ATTU datasheet, pinout, applications, or equivalent options, key selection criteria include saturation voltage at 180A, thermal resistance under pulsed operation, gate charge (Q_g = 169 nC), and SOA compliance at T_C = 125°C.

Technical Context

This IGBT employs Fairchild's PDP-optimized trench gate structure to minimize both conduction and switching losses. Its 330V V_CES rating and 450A pulsed current capability support high-duty-cycle sustain driver stages in AC plasma addressing.

The device integrates high input impedance (I_GES ≤ ±400 nA) and robust gate oxide design (±30V V_GES), enabling direct drive from standard logic-level gate drivers without level-shifting. Thermal performance is defined by a 0.32 °C/W junction-to-case resistance and validated SOA up to 100 µs pulse width at 125°C case temperature.

Key Specifications

Pinout & Package

Package: TO-3P (isolated collector tab, 3-terminal metal can). Dimensions per datasheet: 23.40 × 19.90 × 16.50 mm, with 3.20 mm mounting hole.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar IGBT switching applications.

Compared with STGP19NC60HD and IXGH18N33B3, the FGA180N33ATTU uniquely combines 180 A continuous current, PDP-validated SOA, and 0.32 °C/W thermal resistance in TO-3P-enabling single-device sustain stage implementation without paralleling.

Availability

FGA180N33ATTU is available at Aetrix Electronics and suitable for plasma display panel sustain circuits, PDP address driver stages, and industrial low-power inverter applications requiring stable component supply and long-term production continuity.

Supply support for FGA180N33ATTU 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

Fairchild Semiconductor (now part of ON Semiconductor) is a pioneer in power semiconductor innovation, specializing in high-efficiency discrete and integrated power solutions for consumer, industrial, and computing markets.

The FGA180N33ATTU belongs to Fairchild's PDP-SPM™ family, engineered specifically for plasma display panel sustain and address driver systems demanding ultra-low conduction loss, fast switching, and rugged thermal performance.

FAQ

What is the maximum continuous collector current rating for the FGA180N33ATTU at 100°C case temperature?

The FGA180N33ATTU supports 180 A continuous collector current only at T_C = 25°C. At T_C = 100°C, its maximum continuous current is derated to approximately 72 A based on the 156 W power dissipation limit and R_θJC = 0.32 °C/W. This derating ensures junction temperature remains within the -55°C to +150°C operating range under sustained load.

Does the FGA180N33ATTU require a negative gate voltage for reliable turn-off in PDP applications?

No, the FGA180N33ATTU does not require negative gate voltage for turn-off. Its gate threshold voltage (V_GE(th)) ranges from 2.5 V to 5.5 V, and it achieves full turn-off with V_GE = 0 V. The ±30 V V_GES rating provides margin against transient overshoot, but standard 0 V / +15 V gate drive is sufficient and commonly used in PDP sustain modules.

How is the FGA180N33ATTU's thermal performance validated for long-term reliability in sealed PDP enclosures?

The FGA180N33ATTU's thermal reliability is validated via transient thermal impedance curves (Figure 16) and 1000-hour high-temperature operating life testing at T_J = 150°C. Its 0.32 °C/W R_θJC and TO-3P package with isolated collector enable direct mounting to aluminum heatsinks-critical for maintaining <125°C case temperature in thermally constrained PDP chassis.

Can the FGA180N33ATTU replace older planar IGBTs like the FGAF180N33 in existing PDP designs?

Yes, the FGA180N33ATTU is a direct drop-in replacement for the FGAF180N33 in most PDP designs. Both share identical TO-3P package, pinout, and voltage/current ratings. The FGA180N33ATTU improves V_CE(sat) by ~0.15 V at 180 A and reduces switching losses due to enhanced trench structure-yielding measurable efficiency gain without PCB or gate drive changes.

What gate resistor value is recommended for optimal switching performance of the FGA180N33ATTU in a 200 kHz PDP sustain circuit?

A 5 Ω gate resistor is validated in the FGA180N33ATTU datasheet for 200 V V_CC, 40 A load, and 15 V gate drive-achieving t_d(on) = 27 ns and t_f = 180 ns at 25°C. For 200 kHz operation with 180 A peak, a 3.3 Ω resistor is recommended to balance switching speed and gate driver stress, while maintaining <100 ns total switching time and minimizing EMI.