PN3563_D74Z Equivalent & Substitute Parts

Part Overview

The PN3563_D74Z is an RF transistor NPN manufactured by onsemi, rated for 15V collector-emitter breakdown voltage with a transition frequency of 1.5GHz and maximum power dissipation of 350mW. This device is packaged in a through-hole TO-92-3 configuration and is classified as obsolete. Due to its obsolete product status, equivalent and substitute parts are necessary for ongoing design support, production continuity, and system maintenance applications requiring RF transistor functionality in the specified performance envelope.

Substiute Parts

PN3563_D74Z

onsemiIn Stock: 1128PN3563_D74Z Datasheet

Current PartRFQ

BFR193FH6327XTSA1

Infineon TechnologiesIn Stock: 3144BFR193FH6327XTSA1 Datasheet

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MAPR-002729-170M00

MACOM Technology SolutionsIn Stock: 857MAPR-002729-170M00 Datasheet

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MRF454

MACOM Technology SolutionsIn Stock: 1981MRF454 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the PN3563_D74Z is determined by the following critical parameters: transistor type (NPN), voltage rating capability, frequency performance, power handling capacity, current capability, and mounting compatibility. The substitute parts listed below are grouped based on their ability to meet or exceed the electrical specifications of the main part within their respective packaging and mounting categories.

Critical Substitution Parameters:

• Transistor Type: NPN (required match)
• Voltage - Collector Emitter Breakdown (Max): minimum 15V
• Frequency - Transition: minimum 1.5GHz
• Power - Max: minimum 350mW
• Current - Collector (Ic) (Max): minimum 50mA
• Mounting Type: Through Hole or Surface Mount (application-dependent)

Parameter Comparison

Engineering Selection Recommendations

BFR193FH6327XTSA1 (Infineon Technologies): This substitute is an active product with ROHS3 compliance and REACH unaffected status. It exceeds the main part specifications in frequency performance (8GHz versus 1.5GHz) and power handling (580mW versus 350mW). However, the voltage rating is lower at 12V compared to the 15V specification of the main part. The mounting type is surface mount (SOT-723) rather than through-hole, requiring circuit board redesign. This substitute is suitable for applications where higher frequency performance is acceptable and board-level modifications are feasible.

MAPR-002729-170M00 (MACOM Technology Solutions): This substitute is an active product with ROHS3 compliance and REACH unaffected status. It significantly exceeds the main part specifications in voltage rating (65V), power handling (170W), and current capability (27A). The mounting type is chassis mount, requiring mechanical redesign. This substitute is suitable for high-power RF applications where the increased specifications provide design margin and the chassis mount configuration is compatible with the system architecture.

MRF454 (MACOM Technology Solutions): This substitute is an active product with ROHS3 compliance and REACH unaffected status. It exceeds the main part specifications in voltage rating (18V), power handling (80W), and current capability (20A). The mounting type is chassis mount, requiring mechanical redesign. This substitute is suitable for medium-power RF applications where the increased specifications are beneficial and the chassis mount configuration is compatible with the system architecture.

Frequently Asked Questions (FAQ)

Q: Can the BFR193FH6327XTSA1 directly replace the PN3563_D74Z in an existing circuit?

A: Direct replacement is not possible due to different mounting types. The PN3563_D74Z uses through-hole TO-92-3 packaging, while the BFR193FH6327XTSA1 uses surface-mount SOT-723 packaging. Circuit board redesign is required. Additionally, the voltage rating of the BFR193FH6327XTSA1 is 12V, which is lower than the 15V specification of the main part and may not be suitable for all applications.

Q: What are the key differences between the three substitute parts?

A: The three substitutes differ significantly in power class and mounting configuration. The BFR193FH6327XTSA1 is a small-signal surface-mount device with 580mW power rating and 8GHz frequency capability. The MAPR-002729-170M00 and MRF454 are high-power chassis-mount devices with 170W and 80W power ratings respectively, designed for power amplification applications. Selection depends on the specific application requirements and system architecture.

Q: Are all substitute parts RoHS and REACH compliant?

A: The BFR193FH6327XTSA1, MAPR-002729-170M00, and MRF454 are all ROHS3 compliant and REACH unaffected. The main part PN3563_D74Z is REACH unaffected but does not specify RoHS status.

Q: What is the impact of voltage rating differences on substitution?

A: The BFR193FH6327XTSA1 has a 12V voltage rating, which is lower than the main part's 15V rating. This may limit its use in circuits designed for the full 15V specification. The MAPR-002729-170M00 (65V) and MRF454 (18V) both exceed the 15V requirement and provide additional design margin for overvoltage conditions.

Q: Can the chassis-mount substitutes be used in through-hole applications?

A: No. The MAPR-002729-170M00 and MRF454 are chassis-mount devices requiring mechanical mounting structures different from through-hole PCB mounting. System-level redesign is necessary to accommodate these substitutes.

Q: What frequency performance differences exist between the substitutes?

A: The BFR193FH6327XTSA1 operates at 8GHz transition frequency, significantly exceeding the main part's 1.5GHz specification. The MAPR-002729-170M00 and MRF454 do not specify transition frequency data, indicating they are optimized for lower-frequency power amplification rather than high-frequency small-signal applications.