MPS8099RLRPG Equivalent & Substitute Parts

Part Overview

The MPS8099RLRPG is an NPN bipolar junction transistor manufactured by onsemi, rated for 80 V collector-emitter breakdown voltage and 500 mA maximum collector current. This device is packaged in a through-hole TO-92 configuration and is classified as obsolete. Due to its obsolete status, equivalent substitute parts are necessary for new designs and ongoing production requirements. Suitable alternatives maintain the core electrical specifications while offering improved availability and active product status.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	80	V
Current - Collector (Ic) (Max)	500	mA
Power - Max	625	mW
Frequency - Transition	150	MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 1mA, 5V	—
Operating Temperature Range	-55 to 150	°C
Mounting Type	Through Hole	—
Package / Case	TO-92-3	—

Substitute Part Grouping Explanation

Substitution of the MPS8099RLRPG is determined by matching the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

Transistor Type: NPN
Voltage - Collector Emitter Breakdown (Max): 80 V minimum
Current - Collector (Ic) (Max): 500 mA minimum
DC Current Gain (hFE) (Min): 100 or greater
Operating Temperature Range: -55°C to 150°C minimum

Mechanical Compatibility Criteria:

Mounting Type: Through Hole (for direct PCB replacement)
Package / Case: TO-92-3 or equivalent through-hole configuration

Substitute parts are grouped into two categories:

Category 1: Through-Hole Direct Replacements Parts maintaining TO-92 through-hole packaging for direct PCB substitution without layout modification.

Category 2: Surface-Mount Alternative Parts offering equivalent electrical performance in surface-mount packaging for designs permitting assembly method changes.

Parameter Comparison

Parameter	MPS8099RLRPG	MMBT8099LT1G	MPSA06	MPSA06RA	MPSA06-AP
Manufacturer	onsemi	onsemi	Fairchild Semiconductor	onsemi	Micro Commercial Co
Transistor Type	NPN	NPN	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	80 V	80 V	80 V	80 V	80 V
Current - Collector (Ic) (Max)	500 mA	500 mA	500 mA	500 mA	500 mA
Power - Max	625 mW	225 mW	625 mW	625 mW	625 mW
Frequency - Transition	150 MHz	150 MHz	100 MHz	100 MHz	100 MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 1mA, 5V	100 @ 1mA, 5V	100 @ 100mA, 1V	100 @ 100mA, 1V	100 @ 100mA, 1V
Operating Temperature Range	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C
Mounting Type	Through Hole	Surface Mount	Through Hole	Through Hole	Through Hole
Package / Case	TO-92-3	SOT-23-3	TO-92-3	TO-92-3	TO-92-3
Product Status	Obsolete	Active	Active	Active	Obsolete

Engineering Selection Recommendations

For Through-Hole PCB Designs (Direct Replacement):

MPSA06RA (onsemi) is the primary substitute for the MPS8099RLRPG. This part maintains identical electrical specifications, through-hole TO-92-3 packaging, and active product status. MPSA06RA carries RoHS3 compliance and REACH unaffected status, supporting modern manufacturing and regulatory requirements.

MPSA06 (Fairchild Semiconductor) provides an alternative through-hole option with active product status. This part meets all electrical requirements and maintains TO-92-3 packaging compatibility. Availability is high, supporting production continuity.

For Surface-Mount PCB Designs (Assembly Method Change):

MMBT8099LT1G (onsemi) offers equivalent electrical performance in surface-mount SOT-23-3 packaging. This part is active and maintains the same voltage, current, and frequency specifications as the original MPS8099RLRPG. Power dissipation is reduced to 225 mW due to the smaller package form factor. This option requires PCB layout modification to accommodate surface-mount assembly.

Obsolete Parts (Not Recommended for New Designs):

MPSA06-AP (Micro Commercial Co) is classified as obsolete and should not be selected for new production designs despite meeting electrical specifications.

Frequently Asked Questions (FAQ)

Q: Can MMBT8099LT1G replace MPS8099RLRPG directly on the PCB?

A: No. MMBT8099LT1G uses surface-mount SOT-23-3 packaging, while MPS8099RLRPG uses through-hole TO-92-3 packaging. Direct PCB substitution is not possible without layout redesign. MMBT8099LT1G is suitable only for new designs incorporating surface-mount assembly.

Q: What is the difference between MPSA06 and MPSA06RA?

A: Both parts maintain identical electrical specifications and through-hole TO-92-3 packaging. MPSA06RA is manufactured by onsemi with RoHS3 compliance and active product status. MPSA06 is manufactured by Fairchild Semiconductor with active product status. Both are suitable for direct replacement of MPS8099RLRPG in through-hole applications.

Q: Why does MMBT8099LT1G have lower maximum power dissipation than MPS8099RLRPG?

A: Power dissipation rating is determined by package thermal characteristics. The SOT-23-3 surface-mount package has reduced thermal mass compared to the TO-92-3 through-hole package, resulting in a lower maximum power rating of 225 mW versus 625 mW. Electrical performance remains equivalent for typical operating conditions.

Q: Are there compliance differences between substitute parts?

A: MPSA06RA carries RoHS3 compliance certification. MPSA06 compliance status is not specified in the provided data. All listed parts carry REACH unaffected status and EAR99 ECCN classification. Verify specific compliance requirements for your application before final part selection.

Q: Can MPSA06-AP be used as a substitute?

A: MPSA06-AP meets all electrical specifications and through-hole packaging requirements. However, this part is classified as obsolete. For new production designs, select active parts such as MPSA06RA or MPSA06 to ensure long-term supply availability.

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

A: The critical parameters are collector-emitter breakdown voltage (80 V minimum), maximum collector current (500 mA minimum), DC current gain (100 minimum), and operating temperature range (-55°C to 150°C). All listed substitutes meet or exceed these specifications. Mounting type and package determine mechanical compatibility for PCB integration.

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