MPSW63RLRAG Equivalent & Substitute Parts

Part Overview

The MPSW63RLRAG is a PNP Darlington bipolar junction transistor manufactured by onsemi, designed for general-purpose switching and amplification applications. This device features a maximum collector current of 500 mA, collector-emitter breakdown voltage of 30 V, and operates across a temperature range of -55°C to 150°C. The component is packaged in a through-hole TO-92 (TO-226-3) configuration with a maximum power dissipation of 1 W.

The MPSW63RLRAG is classified as an obsolete product. Identifying equivalent and substitute parts is necessary to support ongoing maintenance, repair, and redesign efforts for legacy systems and applications currently utilizing this component.

Substiute Parts

MPSW63RLRAG

onsemiIn Stock: 712MPSW63RLRAG Datasheet

Current PartRFQ

MMBTA63LT1G

onsemiIn Stock: 152698MMBTA63LT1G Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MPSW63RLRAG are identified based on electrical and mechanical compatibility within the constraints of the PNP Darlington transistor category. The substitution logic is determined by the following critical parameters:

Electrical Compatibility Criteria:

• Transistor Type: PNP - Darlington configuration
• Maximum Collector Current (Ic): 500 mA or greater
• Collector-Emitter Breakdown Voltage (Vce(BR)CEO): 30 V or greater
• Vce Saturation characteristics: 1.5 V @ 100 µA, 100 mA
• Collector Cutoff Current (ICBO): 100 nA or lower
• DC Current Gain (hFE): Minimum 5000 @ 100 mA, 5 V
• Transition Frequency: 125 MHz or greater
• Operating Temperature Range: -55°C to 150°C or wider
• Power Dissipation: 225 mW or greater

Mechanical Compatibility Criteria:

• Package type must accommodate the application's physical constraints
• Mounting configuration (through-hole or surface-mount) depends on PCB design requirements
• Moisture Sensitivity Level: 1 (Unlimited) or equivalent

Substitute parts meeting these electrical specifications are functionally equivalent and can replace the MPSW63RLRAG in applications where the package form factor is compatible with the circuit design.

Parameter Comparison

Engineering Selection Recommendations

MMBTA63LT1G as a Substitute:

The MMBTA63LT1G is an active product manufactured by onsemi that meets the electrical specifications of the MPSW63RLRAG. Both devices share identical electrical characteristics for collector current, breakdown voltage, saturation voltage, cutoff current, transition frequency, and operating temperature range. The MMBTA63LT1G maintains RoHS3 compliance and REACH unaffected status, consistent with modern regulatory requirements.

The primary distinction between these parts is the package configuration: the MPSW63RLRAG uses through-hole TO-92 packaging, while the MMBTA63LT1G uses surface-mount SOT-23-3 packaging. Additionally, the MMBTA63LT1G has a maximum power dissipation of 225 mW compared to the MPSW63RLRAG's 1 W rating. The MMBTA63LT1G's DC current gain minimum is 5000 @ 100 mA, 5 V, which is lower than the MPSW63RLRAG's 10000 @ 100 mA, 5 V.

Selection of the MMBTA63LT1G requires verification that the application's power dissipation requirements do not exceed 225 mW and that the circuit design accommodates surface-mount SOT-23-3 packaging. For through-hole applications requiring the full 1 W power rating, alternative through-hole PNP Darlington devices meeting the specified electrical parameters should be evaluated.

Frequently Asked Questions (FAQ)

Q: Can the MMBTA63LT1G directly replace the MPSW63RLRAG in all applications?

A: The MMBTA63LT1G is electrically equivalent for switching and amplification functions. However, direct replacement depends on two factors: (1) the circuit board must support surface-mount SOT-23-3 packaging instead of through-hole TO-92 packaging, and (2) the application's power dissipation must not exceed 225 mW, as the MMBTA63LT1G has a lower maximum power rating than the MPSW63RLRAG.

Q: What are the key electrical parameters that determine substitution compatibility?

A: Substitution compatibility is determined by: maximum collector current (500 mA), collector-emitter breakdown voltage (30 V), saturation voltage (1.5 V @ 100 µA, 100 mA), collector cutoff current (100 nA), transition frequency (125 MHz), and operating temperature range (-55°C to 150°C). All substitute parts must meet or exceed these specifications.

Q: How does the DC current gain difference affect circuit performance?

A: The MPSW63RLRAG has a minimum DC current gain (hFE) of 10000 @ 100 mA, 5 V, while the MMBTA63LT1G has a minimum of 5000 @ 100 mA, 5 V. This difference affects base current requirements for achieving saturation. Applications designed for the MPSW63RLRAG may require base current adjustments when using the MMBTA63LT1G to maintain equivalent switching performance.

Q: What packaging considerations apply when selecting a substitute?

A: The MPSW63RLRAG is a through-hole component with formed leads suitable for traditional PCB assembly. The MMBTA63LT1G is a surface-mount component in SOT-23-3 package. Circuit board design, assembly process, and mechanical constraints determine which package type is appropriate for a given application.

Q: Why is the MPSW63RLRAG classified as obsolete?

A: The MPSW63RLRAG is an obsolete product, meaning it is no longer manufactured or supported by onsemi. The MMBTA63LT1G is an active product that provides equivalent electrical functionality and is currently available for new designs and ongoing production.

Q: Are there compliance differences between these parts?

A: The MPSW63RLRAG has REACH Unaffected status. The MMBTA63LT1G is RoHS3 Compliant and REACH Unaffected. Both parts have Moisture Sensitivity Level 1 (Unlimited). The MMBTA63LT1G's RoHS3 compliance makes it suitable for applications with modern regulatory requirements.