IRF7466TR N-Channel 30V 11A MOSFET Equivalent & Substitute Parts

Part Overview

The IRF7466TR is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 30V drain-to-source voltage with 11A continuous drain current at 25°C. This device is packaged in an 8-SOIC surface mount configuration and belongs to the HEXFET® series. The IRF7466TR is classified as obsolete, making identification of functionally equivalent substitute components essential for ongoing design support, production continuity, and system maintenance. Substitute parts must maintain electrical compatibility across critical parameters including voltage rating, current capacity, on-resistance characteristics, and thermal performance while accommodating modern active product availability.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	30	V
Continuous Drain Current (Id) @ 25°C	11	A
On-Resistance (Rds On Max) @ 11A, 10V	12.5	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	3	V
Gate Charge (Qg) @ 4.5V	23	nC
Input Capacitance (Ciss) @ 15V	2100	pF
Power Dissipation (Max)	2.5	W
Operating Temperature Range	-55 to 150	°C
Package Type	8-SOIC	Surface Mount
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitute parts for the IRF7466TR are selected based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Voltage Rating: All substitute parts maintain the 30V Vdss specification, ensuring compatibility with existing circuit voltage domains.

Current Capacity: Substitute parts are grouped by continuous drain current ratings. The IRF7466TR specifies 11A at 25°C. Acceptable substitutes include parts rated at 11A (direct match), 10.3A, 10.2A, and 10A, as these ratings remain within the operational envelope of circuits designed for the original 11A specification.

On-Resistance (Rds On): The IRF7466TR specifies 12.5 mOhm maximum at 11A and 10V gate drive. Substitute parts with Rds On values of 12 mOhm to 14 mOhm are functionally equivalent, as variations within this range do not materially affect thermal performance or circuit efficiency in typical applications.

Package Configuration: All substitute parts use 8-SOIC surface mount packaging with identical 0.154" (3.90mm) width, ensuring mechanical compatibility with existing PCB layouts and assembly processes.

Gate Drive Voltage: All parts operate with 4.5V and 10V drive voltage specifications, maintaining compatibility with standard gate driver circuits.

Operating Temperature: All substitute parts support the -55°C to 150°C temperature range, ensuring thermal compatibility across industrial and commercial applications.

Product Status: Active substitute parts are prioritized over obsolete alternatives to ensure long-term supply chain availability and manufacturing support.

Parameter Comparison

Parameter	IRF7466TR (Infineon)	FDS6690A (onsemi)	DMN3016LSS-13 (Diodes)	DMN4468LSS-13 (Diodes)	DMN4800LSSL-13 (Diodes)	FDS8878 (Fairchild)	RSS100N03TB (Rohm)
Vdss (V)	30	30	30	30	30	30	30
Id @ 25°C (A)	11	11	10.3	10	8	10.2	10
Rds On Max @ 10V (mOhm)	12.5	12.5	12	14	14	14	13
Vgs(th) @ 250µA (V)	3	3	2.5	1.95	1.6	2.5	2.5
Qg (nC)	23 @ 4.5V	16 @ 5V	25.1 @ 10V	18.85 @ 10V	8.7 @ 5V	26 @ 10V	14 @ 5V
Ciss (pF)	2100 @ 15V	1205 @ 15V	1415 @ 15V	867 @ 10V	798 @ 10V	897 @ 15V	1070 @ 10V
Power Dissipation Max (W)	2.5	2.5	1.5	1.52	1.46	2.5	2
Operating Temp (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Package	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Compliance	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute: FDS6690A (onsemi)

The FDS6690A provides the closest electrical match to the IRF7466TR, with identical 30V/11A ratings and 12.5 mOhm on-resistance specification. This part is manufactured by onsemi, an active supplier with 39,900 units in stock. The FDS6690A is ROHS3 compliant and carries the PowerTrench® series designation, indicating modern process technology. Gate charge is reduced to 16 nC at 5V compared to the IRF7466TR's 23 nC at 4.5V, resulting in improved switching efficiency. Input capacitance is reduced to 1205 pF, supporting faster switching transitions. This part is suitable for direct replacement in applications where the original IRF7466TR performance envelope is required.

Secondary Substitute: FDS8878 (Fairchild Semiconductor)

The FDS8878 maintains 30V/10.2A ratings with 14 mOhm on-resistance and 2.5W power dissipation, matching the thermal performance of the IRF7466TR. With 32,800 units available, this part offers strong supply chain availability. The FDS8878 is also designated PowerTrench® series. Gate charge of 26 nC at 10V is comparable to the original specification. This part is appropriate for applications where current capacity slightly below 11A is acceptable.

Tertiary Substitute: RSS100N03TB (Rohm Semiconductor)

The RSS100N03TB provides 30V/10A ratings with 13 mOhm on-resistance and 2W power dissipation. With 15,465 units in stock, this part offers adequate supply availability. The RSS100N03TB is ROHS3 compliant and features reduced gate charge of 14 nC at 5V, supporting efficient gate drive circuits. This part is suitable for applications where current capacity of 10A meets system requirements.

Lower Current Alternatives: DMN3016LSS-13, DMN4468LSS-13, DMN4800LSSL-13 (Diodes Incorporated)

These parts from Diodes Incorporated are rated at 10.3A, 10A, and 8A respectively, with on-resistance values of 12 mOhm, 14 mOhm, and 14 mOhm. All three are ROHS3 compliant and actively manufactured. These parts are suitable only for applications where the reduced current capacity does not compromise system performance. The DMN4800LSSL-13 with 8A rating should be selected only when current requirements are confirmed below 8A.

Compliance Consideration:

The IRF7466TR is RoHS non-compliant. All recommended substitute parts except FDS8878 carry explicit ROHS3 compliance certification, supporting modern procurement and environmental regulatory requirements. FDS8878 compliance status is not specified in available documentation.

Frequently Asked Questions (FAQ)

Q: Can FDS6690A directly replace IRF7466TR without circuit modification?

A: Yes. The FDS6690A maintains identical voltage (30V) and current (11A) ratings with equivalent on-resistance (12.5 mOhm). Both parts use 8-SOIC packaging with identical pinout and mechanical dimensions. No circuit modifications are required for direct substitution.

Q: What is the impact of using a 10A-rated part instead of the original 11A specification?

A: Parts rated at 10A (DMN4468LSS-13, RSS100N03TB) are suitable only when circuit design margins confirm that maximum continuous drain current does not exceed 10A. If the original design operates at or near 11A, these parts may exceed thermal limits. Verify actual operating current before selecting lower-rated alternatives.

Q: Why do substitute parts show different gate charge values?

A: Gate charge varies with measurement conditions (voltage and current). The IRF7466TR specifies 23 nC at 4.5V, while FDS6690A specifies 16 nC at 5V. These differences reflect different test conditions and process technology generations. Lower gate charge generally indicates faster switching capability and reduced gate drive power consumption, which is beneficial in most applications.

Q: Are all substitute parts available in the same packaging?

A: Yes. All substitute parts listed use 8-SOIC surface mount packaging with 0.154" (3.90mm) width, ensuring mechanical compatibility with existing PCB layouts. Pin assignments are identical across all parts.

Q: What is the significance of RoHS compliance for substitute selection?

A: The IRF7466TR is RoHS non-compliant. Most substitute parts (FDS6690A, DMN3016LSS-13, DMN4468LSS-13, DMN4800LSSL-13, RSS100N03TB) are ROHS3 compliant, meeting modern environmental and procurement standards. If RoHS compliance is required for your application, select from the ROHS3-compliant alternatives.

Q: Can DMN4800LSSL-13 (8A rating) be used in place of IRF7466TR (11A rating)?

A: Only if circuit analysis confirms that maximum continuous drain current does not exceed 8A. The DMN4800LSSL-13 is rated for 8A at 25°C. Using this part in an 11A application will result in thermal stress and potential device failure. Verify actual operating current requirements before selecting this lower-rated alternative.

Q: What are the key differences between onsemi FDS6690A and Fairchild FDS8878?

A: Both parts maintain 30V voltage rating and PowerTrench® series designation. FDS6690A is rated at 11A with 12.5 mOhm on-resistance, while FDS8878 is rated at 10.2A with 14 mOhm on-resistance. FDS6690A provides closer electrical matching to the original IRF7466TR specification. FDS8878 offers slightly higher power dissipation (2.5W vs. 2.5W) but lower gate charge efficiency. Both are suitable substitutes; FDS6690A is preferred for direct replacement.

Q: How do input capacitance differences affect circuit performance?

A: The IRF7466TR specifies 2100 pF input capacitance at 15V. Substitute parts range from 798 pF to 1415 pF. Lower input capacitance reduces gate drive power consumption and supports faster switching transitions. Higher input capacitance requires more gate charge but does not prevent substitution. Verify gate driver capability if switching frequency exceeds 100 kHz.

Q: Is supply chain availability a factor in substitute selection?

A: Yes. FDS6690A has 39,900 units in stock, FDS8878 has 32,800 units, and DMN4800LSSL-13 has 36,030 units. These high inventory levels support production continuity. DMN3016LSS-13 has 6,838 units, which is lower but adequate for most applications. Verify supplier lead times and minimum order quantities for your specific procurement requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message