IRFD224 Equivalent & Substitute Parts Reference

Part Overview

The IRFD224 is a N-Channel MOSFET with a maximum drain-to-source voltage of 250V and a continuous drain current of 630mA (Ta), housed in a 4-DIP (0.300", 7.62mm) through-hole package. It is currently listed as “Active.” Alternative models may be required due to factors such as RoHS compliance or specific supply chain or regulatory requirements involving environmental certifications.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	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	Vgs (Max)	Input Capacitance (Ciss) (Max) @ Vds	Power Dissipation (Max)	Operating Temperature	Mounting Type	Supplier Device Package	Package / Case	RoHS Status	Moisture Sensitivity Level (MSL)	Product Status
IRFD224	Vishay Siliconix	Transistors, FETs, MOSFETs	250 V	630mA (Ta)	1.1Ohm @ 380mA, 10V	4V @ 250µA	14 nC @ 10 V	±20V	260 pF @ 25 V	1W (Ta)	-55°C ~ 150°C (TJ)	Through Hole	4-HVMDIP	4-DIP (0.300", 7.62mm)	RoHS non-compliant	1 (Unlimited)	Active

Substitute Part Grouping Explanation

Substitute parts are identified strictly based on matching these key parameters: manufacturer part number, MOSFET type (N-Channel), drain-to-source voltage (Vdss), current - continuous drain (Id), Rds On (Max), gate threshold voltage (Vgs(th)), gate charge (Qg), maximum gate voltage (Vgs), input capacitance (Ciss), power dissipation, operating temperature range, mounting type, package/case specification, and moisture sensitivity level. Only models meeting all these electrical and mechanical specifications are grouped as direct parametric equivalents. RoHS status and product status are distinguished as non-functional compliance characteristics.

Parameter Comparison

Parameter	IRFD224	IRFD224PBF
Manufacturer	Vishay Siliconix	Vishay Siliconix
Category	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs
Drain to Source Voltage (Vdss)	250 V	250 V
Current - Continuous Drain (Id) @ 25°C	630mA (Ta)	630mA (Ta)
Rds On (Max) @ Id, Vgs	1.1Ohm @ 380mA, 10V	1.1Ohm @ 380mA, 10V
Vgs(th) (Max) @ Id	4V @ 250µA	4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	14 nC @ 10 V	14 nC @ 10 V
Vgs (Max)	±20V	±20V
Input Capacitance (Ciss) (Max) @ Vds	260 pF @ 25 V	260 pF @ 25 V
Power Dissipation (Max)	1W (Ta)	1W (Ta)
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole	Through Hole
Supplier Device Package	4-HVMDIP	4-HVMDIP
Package / Case	4-DIP (0.300", 7.62mm)	4-DIP (0.300", 7.62mm)
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active

Engineering Selection Recommendations

If RoHS compliance is mandated, select IRFD224PBF, which possesses ROHS3 compliant status. Both IRFD224 and IRFD224PBF are “Active” with identical electrical and mechanical specifications, device packaging, and rating parameters. Moisture Sensitivity Level (MSL) for both is “1 (Unlimited)”. The selection should be based on required environmental certifications rather than technical differences.

Frequently Asked Questions (FAQ)

Q1: What electrical parameters must match for substituting a MOSFET in this category?
Key electrical parameters requiring equivalence are drain-to-source voltage (Vdss), continuous drain current (Id), Rds On (Max), gate threshold voltage (Vgs(th)), gate charge (Qg), maximum gate voltage (Vgs), input capacitance (Ciss), and power dissipation.

Q2: Is package compatibility an issue for substituting IRFD224?
IRFD224 and IRFD224PBF share identical package and mounting types: 4-DIP (0.300", 7.62mm) through-hole, supplier device package 4-HVMDIP.

Q3: Does RoHS status affect interchangeability?
Functionally, both IRFD224 and IRFD224PBF are direct substitutes. IRFD224 is RoHS non-compliant; IRFD224PBF is ROHS3 compliant. Select based on applicable compliance requirements.

Q4: Are there any mechanical differences between IRFD224 and IRFD224PBF?
There are no mechanical differences in the mounting type or package/case specifications between IRFD224 and IRFD224PBF.

Q5: Should Moisture Sensitivity Level (MSL) be considered for substitution?
Both IRFD224 and IRFD224PBF are rated MSL 1 (Unlimited); this parameter does not restrict substitution in typical applications for this category.

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