Equivalent & Substitute Parts Reference: IRF614SPBF

Part Overview

The IRF614SPBF by Vishay Siliconix is an N-Channel MOSFET transistor, categorized under Transistors, FETs, MOSFETs. It features a Drain to Source Voltage (Vdss) of 250 V, a continuous Drain Current (Id) of 2.7A (Tc), and a TO-263 (D2PAK) surface mount package. The part is currently listed as "Last Time Buy", indicating limited future availability and making the selection of suitable alternatives essential to maintain production continuity and inventory planning.

Key Parameters

Parameter	Main Part (IRF614SPBF)
Manufacturer	Vishay Siliconix
Category	Transistors, FETs, MOSFETs
Drain to Source Voltage (Vdss)	250 V
Current - Continuous Drain (Id) @ 25°C	2.7A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	10V
Rds On (Max) @ Id, Vgs	2 Ohm @ 1.6A, 10V
Vgs(th) (Max) @ Id	4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	8.2 nC @ 10 V
Vgs (Max)	±20V
Input Capacitance (Ciss) (Max) @ Vds	140 pF @ 25 V
Power Dissipation (Max)	3.1W (Ta), 36W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Supplier Device Package	TO-263 (D2PAK)
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute decisions are strictly determined by parameters including FET type, technology, Drain to Source Voltage (Vdss), continuous Drain Current (Id), Drive Voltage, Rds On, Vgs(th), Gate Charge, Vgs (Max), Input Capacitance, Power Dissipation, operating temperature, mounting type, package, RoHS compliance, and MSL. Package equivalence and pin-out consistency are mandatory for compatibility. Only parts matching or exceeding these specifications in the same package format are presented as substitutes.

Parameter Comparison

Parameter	Main Part (IRF614SPBF)	Substitute (IRF740SPBF)
Manufacturer	Vishay Siliconix	Vishay Siliconix
Category	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs
Drain to Source Voltage (Vdss)	250 V	400 V
Current - Continuous Drain (Id) @ 25°C	2.7A (Tc)	10A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	10V	10V
Rds On (Max) @ Id, Vgs	2 Ohm @ 1.6A, 10V	550mOhm @ 6A, 10V
Vgs(th) (Max) @ Id	4V @ 250µA	4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	8.2 nC @ 10 V	63 nC @ 10 V
Vgs (Max)	±20V	±20V
Input Capacitance (Ciss) (Max) @ Vds	140 pF @ 25 V	1400 pF @ 25 V
Power Dissipation (Max)	3.1W (Ta), 36W (Tc)	3.1W (Ta), 125W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount	Surface Mount
Supplier Device Package	TO-263 (D2PAK)	TO-263 (D2PAK)
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

The IRF614SPBF is marked "Last Time Buy", requiring selection of compatible alternatives to ensure ongoing product support and inventory availability. The substitute part IRF740SPBF is "Active", TO-263 (D2PAK) package matched, and maintains ROHS3 compliance with the same MSL rating, suitable for direct substitution under qualified supply controls and compliance requirements. No additional certifications outside those listed are factored into equivalence.

Frequently Asked Questions (FAQ)

Q1: What are the primary criteria for substituting IRF614SPBF with IRF740SPBF?
A1: Substitution is based on matching FET type, technology, package (TO-263/D2PAK), drive voltage, maximum Vgs, Rds(on), RoHS compliance, and MSL rating.

Q2: Is the mounting method and pinout the same between IRF614SPBF and IRF740SPBF?
A2: Both components use Surface Mount and TO-263 (D2PAK) package options, ensuring mechanical and soldering compatibility.

Q3: Are there differences in electrical parameters that should be noted?
A3: IRF740SPBF offers higher Drain to Source Voltage (400V vs. 250V), higher current capability, and different gate charge and input capacitance values. All provided parameters exceed or match those of the IRF614SPBF within the provided categories.

Q4: Does the substitute offer the same environmental and compliance standards?
A4: Both IRF614SPBF and IRF740SPBF are ROHS3 compliant with Moisture Sensitivity Level 1, supporting identical environmental and handling practices.

Q5: Can IRF740SPBF be used in all applications where IRF614SPBF was specified?
A5: The IRF740SPBF matches all physical package criteria and compliance statuses as explicitly provided. Compatibility is determined strictly by the presented parameters.

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