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IRF620 MOSFET N-Channel 200V 5.2A Equivalent & Substitute Parts
Part Overview
The IRF620 is an N-Channel Metal Oxide Semiconductor Field Effect Transistor (MOSFET) rated for 200V drain-to-source voltage with a continuous drain current of 5.2A at 25°C. The device is packaged in a Through Hole TO-220AB configuration and dissipates up to 50W under thermal conditions. The IRF620 is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The IRF620PBF serves as the direct functional equivalent with identical electrical specifications and active product status.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| FET Type | N-Channel | — |
| Technology | MOSFET (Metal Oxide) | — |
| Drain to Source Voltage (Vdss) | 200 | V |
| Current - Continuous Drain (Id) @ 25°C | 5.2 | A (Tc) |
| Drive Voltage (Max Rds On) | 10 | V |
| Rds On (Max) @ Id, Vgs | 800 | mOhm @ 3.1A, 10V |
| Vgs(th) (Max) @ Id | 4 | V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 14 | nC @ 10V |
| Vgs (Max) | ±20 | V |
| Input Capacitance (Ciss) (Max) @ Vds | 260 | pF @ 25V |
| Power Dissipation (Max) | 50 | W (Tc) |
| Operating Temperature Range | -65 to 150 | °C (TJ) |
| Mounting Type | Through Hole | — |
| Package / Case | TO-220-3 | — |
| Supplier Device Package | TO-220AB | — |
Substitute Part Grouping Explanation
Substitution of the IRF620 with the IRF620PBF is based on electrical and mechanical parameter equivalence. Both devices share identical specifications across all critical performance parameters: N-Channel MOSFET technology, 200V Vdss rating, 5.2A continuous drain current, 800mOhm maximum on-resistance at specified conditions, gate threshold voltage, gate charge, input capacitance, and 50W power dissipation rating. Both devices utilize the same Through Hole TO-220AB package configuration, ensuring mechanical and thermal compatibility in existing circuit board layouts.
The primary distinction between the IRF620 and IRF620PBF is product status and compliance certification. The IRF620 is classified as obsolete, while the IRF620PBF maintains active product status. The IRF620PBF is RoHS3 compliant and REACH affected, whereas the IRF620 is RoHS non-compliant and REACH unaffected. The operating temperature range for the IRF620PBF is -55°C to 150°C, compared to -65°C to 150°C for the IRF620, representing a narrower lower temperature specification.
Substitution is valid when the application operating temperature range does not require operation below -55°C. For applications requiring operation at temperatures below -55°C, the IRF620 remains the only specified option, subject to availability constraints.
Parameter Comparison
| Parameter | IRF620 | IRF620PBF | Unit |
|---|---|---|---|
| Manufacturer | Vishay Siliconix | Vishay Siliconix | — |
| FET Type | N-Channel | N-Channel | — |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | — |
| Drain to Source Voltage (Vdss) | 200 | 200 | V |
| Current - Continuous Drain (Id) @ 25°C | 5.2 | 5.2 | A (Tc) |
| Drive Voltage (Max Rds On) | 10 | 10 | V |
| Rds On (Max) @ Id, Vgs | 800 @ 3.1A, 10V | 800 @ 3.1A, 10V | mOhm |
| Vgs(th) (Max) @ Id | 4 @ 250µA | 4 @ 250µA | V |
| Gate Charge (Qg) (Max) @ Vgs | 14 @ 10V | 14 @ 10V | nC |
| Vgs (Max) | ±20 | ±20 | V |
| Input Capacitance (Ciss) (Max) @ Vds | 260 @ 25V | 260 @ 25V | pF |
| Power Dissipation (Max) | 50 | 50 | W (Tc) |
| Operating Temperature Range | -65 to 150 | -55 to 150 | °C (TJ) |
| Mounting Type | Through Hole | Through Hole | — |
| Package / Case | TO-220-3 | TO-220-3 | — |
| Supplier Device Package | TO-220AB | TO-220AB | — |
| Product Status | Obsolete | Active | — |
| RoHS Status | RoHS non-compliant | RoHS3 Compliant | — |
| REACH Status | REACH Unaffected | REACH Affected | — |
| Packaging Type | — | Tube | — |
Engineering Selection Recommendations
The IRF620PBF is the direct substitute for the IRF620 when product status and regulatory compliance are primary selection criteria. The IRF620PBF offers active product availability, RoHS3 compliance, and identical electrical performance across all specified parameters. Selection of the IRF620PBF is appropriate for new designs, production continuity, and applications subject to RoHS or REACH regulatory requirements.
The IRF620 remains applicable only for legacy systems where obsolete component specifications are locked or where operation below -55°C is required. Continued use of the IRF620 in new applications is not recommended due to obsolete product status and non-compliance with current environmental regulations.
For applications with operating temperature requirements between -55°C and 150°C, the IRF620PBF provides full functional and mechanical compatibility with superior compliance posture. The narrower lower temperature specification of the IRF620PBF does not impact applications operating within standard industrial or commercial temperature ranges.
Frequently Asked Questions (FAQ)
Q: Can the IRF620PBF be used as a direct replacement for the IRF620 in existing designs?
A: The IRF620PBF is electrically and mechanically equivalent to the IRF620 across all specified parameters. Direct substitution is valid provided the application operating temperature does not require operation below -55°C. The IRF620PBF uses the same TO-220AB package and mounting configuration, requiring no circuit board modifications.
Q: What is the difference in operating temperature range between the IRF620 and IRF620PBF?
A: The IRF620 operates from -65°C to 150°C, while the IRF620PBF operates from -55°C to 150°C. The IRF620PBF has a 10°C higher minimum operating temperature specification. For applications operating within standard industrial temperature ranges (-40°C to 85°C or -55°C to 125°C), this difference is not a limiting factor.
Q: Why is the IRF620 classified as obsolete?
A: The IRF620 is obsolete due to product lifecycle discontinuation by the manufacturer. The IRF620PBF is the active replacement part, offering identical electrical specifications with current RoHS3 compliance and REACH compliance status.
Q: Are there packaging differences between the IRF620 and IRF620PBF?
A: Both devices use the TO-220AB package configuration. The IRF620PBF is supplied in Tube packaging, while the IRF620 packaging type is not specified. Both devices are Through Hole mounted components with identical mechanical footprints.
Q: What are the RoHS and REACH compliance implications of selecting the IRF620PBF over the IRF620?
A: The IRF620PBF is RoHS3 compliant and REACH affected, meeting current environmental regulations for electronic components. The IRF620 is RoHS non-compliant and REACH unaffected. For applications subject to RoHS or REACH regulatory requirements, the IRF620PBF is the required selection.
Q: Are the electrical specifications identical between the IRF620 and IRF620PBF?
A: All electrical specifications are identical: 200V Vdss, 5.2A continuous drain current, 800mOhm on-resistance, 4V gate threshold voltage, 14nC gate charge, 260pF input capacitance, and 50W power dissipation. Both devices are N-Channel MOSFETs with identical drive voltage and gate voltage specifications.
Q: Can the IRF620 be used in new product designs?
A: The IRF620 is not recommended for new product designs due to obsolete product status. The IRF620PBF provides active product availability, regulatory compliance, and identical electrical performance, making it the appropriate choice for new designs.
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