IRFU020PBF Equivalent & Substitute Parts Reference

Part Overview

The IRFU020PBF is an N-channel power MOSFET manufactured by Vishay Siliconix, categorized under Transistors, FETs, MOSFETs. It provides a drain-to-source voltage of 60 V, a continuous drain current of 14A (Tc), and a maximum power dissipation of 2.5W (Ta), 42W (Tc). This device is supplied in a TO-251AA through-hole package and is RoHS3 compliant. The product status is listed as Obsolete, which requires engineers and maintenance teams to identify alternative models to ensure long-term design support or replacement in field applications.

Key Parameters

Parameter	IRFU020PBF Value
FET Type	N-Channel
Drain to Source Voltage (Vdss)	60 V
Current - Continuous Drain (Id) @ 25°C	14A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	10V
Rds On (Max) @ Id, Vgs	100mOhm @ 8.4A, 10V
Vgs(th) (Max) @ Id	4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	25 nC @ 10 V
Vgs (Max)	±20V
Input Capacitance (Ciss) (Max) @ Vds	640 pF @ 25 V
Power Dissipation (Max)	2.5W (Ta), 42W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole
Supplier Device Package	TO-251AA
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution is determined strictly using electrical and mechanical parameters as provided. Critical criteria include: type (N-Channel), maximum drain to source voltage (60 V), continuous drain current rating, Rds On value at specified conditions, gate drive voltage, maximum gate charge, package type (TO-251AA/IPak), mounting type (through hole), and compliance information (RoHS3, MSL). Substitute parts are only included where these parameters are compatible and provided in the manufacturer’s part description.

Parameter Comparison

Parameter	IRFU020PBF	IRFU024PBF	STD12NF06L-1
Manufacturer	Vishay Siliconix	Vishay Siliconix	STMicroelectronics
FET Type	N-Channel	N-Channel	N-Channel
Drain to Source Voltage (Vdss)	60 V	60 V	60 V
Current - Continuous Drain (Id) @ 25°C	14A (Tc)	14A (Tc)	12A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	10V	10V	5V, 10V
Rds On (Max) @ Id, Vgs	100mOhm @ 8.4A, 10V	100mOhm @ 8.4A, 10V	100mOhm @ 6A, 10V
Vgs(th) (Max) @ Id	4V @ 250µA	4V @ 250µA	2V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	25 nC @ 10 V	25 nC @ 10 V	10 nC @ 5 V
Vgs (Max)	±20V	±20V	±16V
Input Capacitance (Ciss) (Max) @ Vds	640 pF @ 25 V	640 pF @ 25 V	350 pF @ 25 V
Power Dissipation (Max)	2.5W (Ta), 42W (Tc)	2.5W (Ta), 42W (Tc)	42.8W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 175°C (TJ)
Mounting Type	Through Hole	Through Hole	Through Hole
Supplier Device Package	TO-251AA	TO-251AA	I-PAK
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active

Engineering Selection Recommendations

When substituting the IRFU020PBF, reference must be made to product status and compliance documentation. IRFU024PBF and STD12NF06L-1 are both RoHS3 compliant and have unlimited moisture sensitivity levels (MSL 1), which meet industry and export requirements. As IRFU020PBF is classified as Obsolete and both substitutes are listed as Active, selection of either alternative supports long-term availability for production and maintenance.

Frequently Asked Questions (FAQ)

Q1: What are the critical parameters for substituting IRFU020PBF?
A1: Substitution requires that the MOSFET is N-channel, 60 V drain-to-source voltage, compatible drain current, matching Rds On and drive voltage, suitable power dissipation, similar package (TO-251AA/IPak), and through-hole mounting.

Q2: Are IRFU024PBF and STD12NF06L-1 compatible with the same PCB footprint as IRFU020PBF?
A2: Both IRFU024PBF and STD12NF06L-1 are supplied in TO-251AA (or equivalent I-PAK/TO-251-3 Short Leads) packages and support through-hole mounting, aligning with the mechanical footprint requirements specified.

Q3: How do the substitute devices compare in terms of process compliance?
A3: All suitable substitutes listed (IRFU024PBF, STD12NF06L-1) are RoHS3 compliant and have MSL 1 (unlimited), fulfilling all standard compliance requirements for environmental and moisture exposure.

Q4: Does the difference in operating temperature or Vgs(th) affect substitution eligibility?
A4: Only the operating temperature and Vgs(th) specified in the provided input are used for eligibility. Substitute MOSFETs with matching or broader operating temperature and Vgs(th) within the given ranges are considered interchangeable for these criteria.

Q5: Why must Obsolete parts like IRFU020PBF be replaced with Active status alternatives?
A5: Selecting parts with Active status ensures continued availability for manufacturing, repair, and inventory, as Obsolete parts are discontinued and not guaranteed for future supply.

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