Equivalent & Substitute Parts for SP8M24FRATB – Rohm Semiconductor

Part Overview

The SP8M24FRATB by Rohm Semiconductor is an automotive-grade, surface-mount MOSFET array featuring N and P-Channel devices, rated for 45V and up to 4.5A continuous drain current. It is supplied in an 8-SOP package and meets ROHS3 and AEC-Q101 requirements, with active product status and verified compliance for automotive applications. Finding alternative models is necessary for design flexibility, supply chain assurance, and maintaining continuity in case of packaging or availability constraints.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	Packaging	Drain to Source Voltage (Vdss)	Current - Continuous Drain (Id) @ 25°C	Rds On (Max) @ Id, Vgs	Vgs(th) (Max) @ Id	Gate Charge (Qg) (Max) @ Vgs	Input Capacitance (Ciss) (Max) @ Vds	Power - Max	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package	RoHS Status	Product Status	Qualification	Moisture Sensitivity Level (MSL)	REACH Status
SP8M24FRATB	Rohm Semiconductor	Transistors, FETs, MOSFETs	Cut Tape (CT)	45V	4.5A (Ta), 3.5A (Ta)	46mOhm @ 4.5A, 10V, 63mOhm @ 3.5A, 10V	2.5V @ 1mA	9.6nC @ 5V, 18.2nC @ 5V	550pF @ 10V, 1700pF @ 10V	2W	150°C (TJ)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOP	ROHS3 Compliant	Active	AEC-Q101	1 (Unlimited)	REACH Unaffected

Substitute Part Grouping Explanation

Substitution is based strictly on matching key electrical and mechanical parameters. These parameters include manufacturer series, drain to source voltage (Vdss), continuous drain current (Id), maximum Rds On, gate threshold voltage (Vgs(th)), gate charge (Qg), input capacitance (Ciss), power dissipation rating, operating temperature, package type, footprint, qualification (AEC-Q101), RoHS compliance, MSL, and REACH status. Only models meeting all listed specifications and compliance certifications are eligible for direct substitution.

Parameter Comparison

Manufacturer Part Number	Packaging	Drain to Source Voltage (Vdss)	Current - Continuous Drain (Id) @ 25°C	Rds On (Max) @ Id, Vgs	Vgs(th) (Max) @ Id	Gate Charge (Qg) (Max) @ Vgs	Input Capacitance (Ciss) (Max) @ Vds	Power - Max	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package	RoHS Status	Product Status	Qualification	Moisture Sensitivity Level (MSL)	REACH Status
SP8M24FRATB	Cut Tape (CT)	45V	4.5A (Ta), 3.5A (Ta)	46mOhm @ 4.5A, 10V, 63mOhm @ 3.5A, 10V	2.5V @ 1mA	9.6nC @ 5V, 18.2nC @ 5V	550pF @ 10V, 1700pF @ 10V	2W	150°C (TJ)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOP	ROHS3 Compliant	Active	AEC-Q101	1 (Unlimited)	REACH Unaffected
SP8M24HZGTB	Tape & Reel (TR)	45V	4.5A (Ta), 3.5A (Ta)	46mOhm @ 4.5A, 10V, 63mOhm @ 3.5A, 10V	2.5V @ 1mA	9.6nC @ 5V, 18.2nC @ 5V	550pF @ 10V, 1700pF @ 10V	1.4W (Ta)	150°C (TJ)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOP	ROHS3 Compliant	Active	AEC-Q101	1 (Unlimited)	REACH Unaffected

Engineering Selection Recommendations

Both SP8M24FRATB and its substitute SP8M24HZGTB have active product status, automotive qualification (AEC-Q101), and are ROHS3 compliant. Moisture Sensitivity Level is identical, and both parts meet REACH requirements. Packaging differs (Cut Tape vs. Tape & Reel), but electrical and package characteristics match within the allowed parameters.

Frequently Asked Questions (FAQ)

Q1: Which electrical parameters must match for MOSFET substitution in this category?
A1: The core parameters for substitution are drain to source voltage (Vdss), continuous drain current (Id), Rds On (max), gate threshold voltage (Vgs(th)), gate charge (Qg), and input capacitance (Ciss).

Q2: How does package type influence substitution compatibility?
A2: Both parts must share the same package type, footprint, and mounting style; in this case, 8-SOIC (0.154", 3.90mm Width) / 8-SOP and Surface Mount.

Q3: What compliance certifications are required for direct substitution in automotive applications?
A3: Substitutes must be AEC-Q101 qualified, ROHS3 compliant, and have equivalent MSL and REACH status.

Q4: Are there differences in power ratings between SP8M24FRATB and SP8M24HZGTB?
A4: Yes, SP8M24FRATB is rated at 2W max, while SP8M24HZGTB is rated at 1.4W max. This parameter must be evaluated against application requirements.

Q5: Does the packaging format affect electrical or mounting compatibility?
A5: Packaging format affects reel and tape configuration for automated assembly but does not affect electrical or footprint compatibility as long as device package dimensions are identical.

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