Equivalent & Substitute Parts for APT10045B2LLG

Part Overview

Manufacturer part number APT10045B2LLG is an N-Channel 1000 V, 23A (Tc), 565W (Tc) through hole T-MAX™ [B2] MOSFET from Microchip Technology, classified under “Transistors, FETs, MOSFETs.” This part is active and ROHS3 compliant, suitable for applications requiring high voltage, high current, and substantial power dissipation. Identifying alternative models is necessary to support supply continuity, inventory management, and design flexibility within projects using this product category.

Key Parameters

Parameter	APT10045B2LLG
Category	Transistors, FETs, MOSFETs
FET Type	N-Channel
Technology	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	1000 V
Current - Continuous Drain (Id) @ 25°C	23A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	10V
Rds On (Max) @ Id, Vgs	450mOhm @ 11.5A, 10V
Vgs(th) (Max) @ Id	5V @ 2.5mA
Gate Charge (Qg) (Max) @ Vgs	154 nC @ 10 V
Vgs (Max)	±30V
Input Capacitance (Ciss) (Max) @ Vds	4350 pF @ 25 V
Power Dissipation (Max)	565W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole
Supplier Device Package	T-MAX™ [B2]
Package / Case	TO-247-3 Variant
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitution within the “Transistors, FETs, MOSFETs” category is determined by the following key parameters: FET type (N-Channel), technology (MOSFET), drain-source voltage (Vdss), continuous drain current (Id), drive voltage, Rds On, gate threshold voltage (Vgs(th)), gate charge (Qg), maximum gate voltage (Vgs), input capacitance (Ciss), power dissipation, operating temperature range, mounting type, and compliance status (RoHS, REACH, MSL). Substitute part IXFR24N100Q3 matches these core criteria, as allowed by the provided specifications.

Parameter Comparison

Parameter	APT10045B2LLG	IXFR24N100Q3
Manufacturer	Microchip Technology	IXYS
Category	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs
FET Type	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	1000 V	1000 V
Current - Continuous Drain (Id) @ 25°C	23A (Tc)	18A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	10V	10V
Rds On (Max) @ Id, Vgs	450mOhm @ 11.5A, 10V	490mOhm @ 12A, 10V
Vgs(th) (Max) @ Id	5V @ 2.5mA	6.5V @ 4mA
Gate Charge (Qg) (Max) @ Vgs	154 nC @ 10 V	140 nC @ 10 V
Vgs (Max)	±30V	±30V
Input Capacitance (Ciss) (Max) @ Vds	4350 pF @ 25 V	7200 pF @ 25 V
Power Dissipation (Max)	565W (Tc)	500W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole	Through Hole
Package / Case	TO-247-3 Variant	TO-247-3
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
Product Status	Active	Active

Engineering Selection Recommendations

Both APT10045B2LLG and IXFR24N100Q3 are active status MOSFETs, ROHS3 compliant, and unaffected by REACH, with moisture sensitivity level (MSL) 1. These compliance and certification statuses meet standard industry requirements for environmental regulations. Selection may be based on project inventory and regulatory alignment as all specified certifications are matched.

Frequently Asked Questions (FAQ)

Q1: On what criteria are substitute MOSFETs like IXFR24N100Q3 selected for APT10045B2LLG?
A1: Substitute parts within the same category are selected based on critical parameters: FET type, technology, drain-source voltage, continuous drain current, gate threshold voltage, gate charge, input capacitance, power dissipation, operating temperature, mounting type, package/case, and regulatory compliance.

Q2: How does package type affect substitutability?
A2: Both APT10045B2LLG and IXFR24N100Q3 use a TO-247-3 family through-hole package, ensuring compatibility in physical mounting and thermal management within the constraints provided.

Q3: Are regulatory status and MSL considered in substitution?
A3: Yes. ROHS3 compliance, REACH status, and moisture sensitivity level (MSL) are matched, ensuring substitutes meet reliability and regulatory criteria specified for both components.

Q4: Is performance outside provided parameters addressed in the substitute selection?
A4: No. Selection and comparison are strictly limited to the explicit parameters supplied for both main and substitute parts. No extrapolated or inferred performance metrics are considered.

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