MPS8098G Equivalent & Substitute Parts

Part Overview

The MPS8098G is an NPN bipolar junction transistor manufactured by onsemi, rated for 60V collector-emitter breakdown voltage and 500mA maximum collector current. This device is packaged in a TO-92 through-hole configuration and is designed for general-purpose switching and amplification applications. The MPS8098G is classified as obsolete, making identification of functionally equivalent substitute components necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	60	V
Current - Collector (Ic) (Max)	500	mA
Power - Max	625	mW
Frequency - Transition	150	MHz
Operating Temperature Range	-55 to 150	°C
Mounting Type	Through Hole	—
Package / Case	TO-92-3	—

Substitute Part Grouping Explanation

Substitution of the MPS8098G is based on electrical and mechanical parameter equivalence within the NPN bipolar transistor category. The following parameters establish substitution validity:

Critical Matching Parameters:

Transistor polarity (NPN)
Maximum collector-emitter breakdown voltage (60V minimum)
Maximum collector current (500mA minimum)
Maximum power dissipation (625mW minimum)
Through-hole mounting configuration
TO-92 package compatibility

The MPSA05RA meets all critical electrical parameters and maintains physical package compatibility. Both devices operate within the same temperature range (-55°C to 150°C) and share identical maximum voltage and current ratings. Transition frequency differences (150MHz vs. 100MHz) do not preclude substitution in applications where the MPS8098G was originally specified, as the MPSA05RA's 100MHz capability remains suitable for general-purpose switching applications.

Parameter Comparison

Parameter	MPS8098G	MPSA05RA	Unit
Transistor Type	NPN	NPN	—
Voltage - Collector Emitter Breakdown (Max)	60	60	V
Current - Collector (Ic) (Max)	500	500	mA
Power - Max	625	625	mW
Frequency - Transition	150	100	MHz
Operating Temperature (Min)	-55	-55	°C
Operating Temperature (Max)	150	150	°C
Mounting Type	Through Hole	Through Hole	—
Package / Case	TO-92-3	TO-92-3	—
Current - Collector Cutoff (Max)	100	100	nA / µA
Product Status	Obsolete	Active	—

Engineering Selection Recommendations

The MPSA05RA is a direct electrical and mechanical substitute for the MPS8098G. Both devices are manufactured by onsemi and share identical maximum ratings for voltage, current, and power dissipation. The MPSA05RA is classified as active product status, ensuring ongoing availability and supply chain continuity compared to the obsolete MPS8098G.

The MPSA05RA carries RoHS3 compliance certification, whereas the MPS8098G compliance status is not specified in available documentation. Both devices maintain REACH Unaffected status and EAR99 export classification. The MPSA05RA is supplied in cut tape packaging with formed leads, providing standard handling and assembly compatibility with through-hole insertion processes.

Selection of the MPSA05RA for new designs or production transitions eliminates obsolescence risk while maintaining full electrical and mechanical compatibility with existing MPS8098G circuit implementations.

Frequently Asked Questions (FAQ)

Q: Can the MPSA05RA directly replace the MPS8098G in existing circuit designs?

A: Yes. Both devices are NPN transistors with identical maximum ratings for collector-emitter voltage (60V), collector current (500mA), and power dissipation (625mW). The TO-92-3 package pinout is identical, enabling direct pin-for-pin substitution. The MPSA05RA's 100MHz transition frequency is lower than the MPS8098G's 150MHz specification but remains suitable for general-purpose switching applications.

Q: What is the primary reason to substitute the MPS8098G?

A: The MPS8098G is classified as obsolete. The MPSA05RA is an active product with confirmed ongoing availability, making it the appropriate choice for production continuity and new designs.

Q: Are there packaging differences between these devices?

A: Both devices use the TO-92-3 through-hole package. The MPSA05RA is supplied in cut tape format with formed leads, which is standard for high-volume assembly operations. The physical package dimensions and pin configuration are identical.

Q: Do compliance certifications differ between these parts?

A: The MPSA05RA carries RoHS3 compliance certification. Both devices maintain REACH Unaffected status and EAR99 export classification. Compliance requirements for specific applications should be verified against end-use regulations.

Q: What is the significance of the transition frequency difference?

A: The MPS8098G specifies 150MHz transition frequency while the MPSA05RA specifies 100MHz. This difference does not affect substitution suitability for DC switching applications or low-frequency amplification circuits. Applications requiring operation above 100MHz should be evaluated against specific circuit bandwidth requirements.

Q: Are there differences in saturation voltage characteristics?

A: The MPS8098G specifies Vce saturation of 400mV at 5mA base current and 100mA collector current. The MPSA05RA specifies 250mV at 10mA base current and 100mA collector current. Both values are within acceptable ranges for switching applications. Circuit designs should account for these minor differences in saturation behavior if precise voltage drop calculations are required.

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