NGD8201ANT4G IGBT Equivalent & Substitute Parts

Part Overview

The NGD8201ANT4G is a 440V, 20A IGBT (Insulated Gate Bipolar Transistor) manufactured by Littelfuse Inc., designed for surface mount applications in the TO-252 (DPAK) package. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The part operates across a temperature range of -55°C to 175°C and dissipates up to 125W, making it suitable for moderate-power switching applications requiring high voltage isolation.

Substiute Parts

NGD8201ANT4G

Littelfuse Inc.In Stock: 17797NGD8201ANT4G Datasheet

Current PartRFQ

LGD8201ATI

Littelfuse Inc.In Stock: 1264LGD8201ATI Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the NGD8201ANT4G is determined by strict equivalence across the following critical parameters:

Voltage Rating: 440V collector-emitter breakdown voltage is the primary electrical constraint. Substitute parts must maintain this voltage specification to ensure safe operation within the original circuit design envelope.

Current Rating: Maximum collector current of 20A and pulsed current of 50A define the current-handling capability. Substitute parts must support these current levels without thermal or electrical degradation.

Power Dissipation: 125W maximum power rating establishes thermal design requirements. Substitute parts must not exceed this specification to maintain compatibility with existing thermal management solutions.

Package and Mounting: TO-252 (DPAK) surface mount package with identical pinout (2 Leads + Tab) ensures mechanical and electrical compatibility with existing PCB layouts.

Operating Temperature: -55°C to 175°C junction temperature range must be maintained to ensure reliability across the intended application environment.

Input Type: Logic-level gate drive requirement specifies the gate voltage characteristics necessary for proper switching operation.

The substitute part LGD8201ATI meets all these critical parameters and is therefore classified as a direct equivalent.

Parameter Comparison

Engineering Selection Recommendations

LGD8201ATI is the direct equivalent substitute for NGD8201ANT4G. Both components are manufactured by Littelfuse Inc. and share identical electrical and mechanical specifications across all critical parameters. Both parts are classified as obsolete, indicating end-of-life status from the manufacturer.

The LGD8201ATI carries AEC-Q101 automotive qualification and is supplied in Tape & Reel packaging, whereas the NGD8201ANT4G does not specify automotive qualification. This distinction does not affect substitution eligibility for non-automotive applications but may be relevant for automotive design requirements.

Both parts maintain RoHS compliance and MSL Level 1 (unlimited moisture sensitivity), ensuring compatibility with modern manufacturing and storage practices.

The switching delay times (Td on/off) differ between the two parts: NGD8201ANT4G specifies 5µs turn-off delay, while LGD8201ATI specifies 1.5µs turn-on and 8µs turn-off delays. These timing differences must be evaluated within the specific circuit application to confirm functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can LGD8201ATI be used as a direct replacement for NGD8201ANT4G in existing designs?

A: Yes. Both parts share identical voltage ratings (440V), current ratings (20A continuous, 50A pulsed), power dissipation (125W), operating temperature range (-55°C to 175°C), and TO-252 DPAK package configuration. Electrical and mechanical compatibility is confirmed across all specified parameters.

Q: What is the significance of the switching delay time differences between these parts?

A: NGD8201ANT4G specifies a 5µs turn-off delay, while LGD8201ATI specifies 1.5µs turn-on and 8µs turn-off delays. These timing characteristics affect switching frequency response and EMI performance. Circuit-level evaluation is necessary to confirm that the LGD8201ATI switching profile is acceptable for the intended application.

Q: Does the AEC-Q101 qualification of LGD8201ATI affect its use in non-automotive applications?

A: No. AEC-Q101 qualification indicates automotive-grade reliability testing and is not a restriction on use in other applications. The qualification represents an additional quality assurance level and does not preclude substitution in industrial or consumer applications.

Q: Are there packaging differences between these parts?

A: Both parts use the TO-252-3 (DPAK) surface mount package with identical pinout. NGD8201ANT4G packaging is not specified in available data, while LGD8201ATI is supplied in Tape & Reel format. The physical component dimensions and PCB footprint are identical, ensuring direct mechanical compatibility.

Q: What is the RoHS compliance status of both parts?

A: NGD8201ANT4G is ROHS3 compliant, and LGD8201ATI is RoHS compliant. Both parts meet current environmental and hazardous substance restrictions, ensuring compatibility with modern manufacturing and regulatory requirements.

Q: Are both parts still available for procurement?

A: Both parts are classified as obsolete. NGD8201ANT4G has 17,700 pieces in stock, while LGD8201ATI has 1,176 pieces in stock according to current inventory data. Availability may change; verification with component distributors is recommended for procurement planning.