IRG4BC10S IGBT Equivalent & Substitute Parts

Part Overview

The IRG4BC10S is a 600V, 14A IGBT manufactured by Infineon Technologies in TO-220AB packaging. This device is classified as obsolete, making identification of suitable substitute components necessary for ongoing design support and production continuity. The IRG4BC10S serves as a standard-input IGBT for switching applications requiring 600V voltage isolation and moderate current handling in through-hole form factor.

Key Parameters

Parameter	Value	Unit
Voltage - Collector Emitter Breakdown (Max)	600	V
Current - Collector (Ic) (Max)	14	A
Current - Collector Pulsed (Icm)	18	A
Power - Max	38	W
Vce(on) (Max)	1.8	V @ 15V, 8A
Gate Charge	15	nC
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	TO-220-3	Through Hole
Product Status	Obsolete	-

Substitute Part Grouping Explanation

Substitution of the IRG4BC10S is determined by the following critical electrical and mechanical parameters:

Voltage Rating: The substitute must maintain 600V collector-emitter breakdown voltage to ensure equivalent isolation capability in the application circuit.

Current Rating: The substitute current rating (Ic Max) must equal or exceed 14A to handle the same load conditions without derating.

Package Type: The substitute must use TO-220-3 through-hole packaging to maintain mechanical and thermal compatibility with existing PCB layouts and heatsinking arrangements.

Input Type: Standard input configuration must be preserved to ensure gate drive compatibility with existing control circuitry.

Thermal Characteristics: Operating temperature range must support the application's thermal environment. The substitute's maximum junction temperature must be adequate for the intended operating conditions.

The IKA15N60TXKSA1 meets all substitution criteria: it maintains 600V voltage rating, exceeds the 14A current requirement at 14.7A, uses identical TO-220-3 packaging, employs standard input configuration, and extends the operating temperature range to 175°C.

Parameter Comparison

Parameter	IRG4BC10S	IKA15N60TXKSA1	Unit
Manufacturer	Infineon Technologies	Infineon Technologies	-
Category	Transistors, IGBTs	Transistors, IGBTs	-
Voltage - Collector Emitter Breakdown (Max)	600	600	V
Current - Collector (Ic) (Max)	14	14.7	A
Current - Collector Pulsed (Icm)	18	45	A
Vce(on) (Max)	1.8	2.05	V
Power - Max	38	35.7	W
Gate Charge	15	87	nC
Input Type	Standard	Standard	-
Operating Temperature Range	-55 to 150	-40 to 175	°C (TJ)
Package / Case	TO-220-3	TO-220-3	-
Mounting Type	Through Hole	Through Hole	-
Product Status	Obsolete	Active	-
RoHS Status	RoHS non-compliant	ROHS3 Compliant	-

Engineering Selection Recommendations

The IKA15N60TXKSA1 is the designated substitute for the obsolete IRG4BC10S based on the following engineering criteria:

Electrical Compatibility: Both devices share identical 600V voltage rating and comparable current ratings (14A vs. 14.7A), ensuring functional equivalence in switching applications. The IKA15N60TXKSA1 provides higher pulsed current capability (45A vs. 18A), offering improved transient performance margin.

Mechanical Compatibility: Both components use TO-220-3 through-hole packaging, enabling direct PCB layout compatibility without redesign.

Product Status: The IKA15N60TXKSA1 maintains active product status with ongoing manufacturer support, addressing the obsolescence of the IRG4BC10S.

Compliance Status: The IKA15N60TXKSA1 is ROHS3 compliant, whereas the IRG4BC10S is non-compliant. This compliance improvement aligns with current regulatory requirements for new designs and production runs.

Thermal Performance: The extended operating temperature range of the IKA15N60TXKSA1 (-40 to 175°C) provides broader environmental compatibility compared to the IRG4BC10S (-55 to 150°C).

Frequently Asked Questions (FAQ)

Q: Can the IKA15N60TXKSA1 directly replace the IRG4BC10S without PCB modifications?

A: Yes. Both devices use identical TO-220-3 through-hole packaging with the same pin configuration and thermal interface. No PCB layout changes are required for mechanical and thermal mounting.

Q: What are the electrical differences between these two IGBTs?

A: The primary electrical differences are gate charge (15nC vs. 87nC) and Vce(on) characteristics. The IKA15N60TXKSA1 exhibits higher gate charge, requiring slightly higher gate drive energy. The Vce(on) is marginally higher (2.05V vs. 1.8V at different test conditions), resulting in minimal additional power dissipation in typical applications.

Q: Is the higher gate charge of the IKA15N60TXKSA1 a concern for existing gate drive circuits?

A: Gate charge differences must be evaluated within the context of the specific gate drive circuit design. The IKA15N60TXKSA1's 87nC gate charge versus the IRG4BC10S's 15nC requires verification that the gate drive source can supply adequate current to meet switching frequency requirements. This is an application-specific consideration.

Q: Why does the IKA15N60TXKSA1 have significantly higher pulsed current rating?

A: The IKA15N60TXKSA1 uses Trench Field Stop technology, which improves current handling capability during transient conditions. The 45A pulsed current rating (vs. 18A) reflects this advanced semiconductor architecture.

Q: Are there any compliance or certification differences?

A: Yes. The IKA15N60TXKSA1 is ROHS3 compliant, while the IRG4BC10S is non-compliant. For new production and designs subject to RoHS regulations, the IKA15N60TXKSA1 is the appropriate selection.

Q: What is the temperature operating range difference, and does it matter?

A: The IKA15N60TXKSA1 operates from -40 to 175°C, while the IRG4BC10S operates from -55 to 150°C. The IKA15N60TXKSA1 has a higher minimum temperature but extends the maximum by 25°C. For applications operating above 150°C junction temperature, the IKA15N60TXKSA1 provides necessary thermal headroom.

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