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Home > Products > Discrete Semiconductor Products > Transistors > Bipolar (BJT) > Single Bipolar Transistors

onsemi MPS8099RLRM

Name: MPS8099RLRM
Brand: onsemi
SKU: MPS8099RLRM
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MPS8099RLRM

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: TO-226-3, TO-92-3 Long Body, Formed Leads

Datasheet:: MPS8099RLRM.pdf

Description:: TRANS NPN 80V 0.5A TO92

Quantity:: RFQ Add To RFQ list

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Inventory:5,893

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Product details

Overview

MPS8099RLRM from onsemi is an NPN general-purpose amplifier transistor in TO-92 package, rated for 80 V_CEO, 500 mA continuous collector current, and 625 mW power dissipation at T_A = 25°C, commonly used in low-power linear amplification and switching circuits in consumer and industrial electronics.

For engineers reviewing the MPS8099RLRM datasheet, pinout, applications, or equivalent options, key selection criteria include V_CEO = 80 V, h_FE ≥ 75 at I_C = 100 mA, V_CE(sat) ≤ 0.4 V, f_T = 150 MHz, and TO-92 mechanical compatibility with legacy through-hole designs.

Technical Context

The MPS8099RLRM operates as a silicon NPN bipolar junction transistor optimized for medium-voltage, medium-current amplification and saturated switching. Its DC current gain (h_FE) ranges from 75 to 300 depending on collector current, and it delivers 150 MHz transition frequency under standard test conditions (I_C = 10 mA, V_CE = 5 V).

Thermal performance is defined by R_JA = 200 °C/W (PCB-mounted) and R_JC = 83.3 °C/W, supporting operation from −55°C to +150°C junction temperature. Safe operating area (SOA) curves confirm capability for pulsed loads up to 80 V and 500 mA with duty cycle ≤10%.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	80 V - Maximum collector-emitter voltage before breakdown; enables use in 48 V and 60 V rail applications.
I_C (continuous)	500 mA - Sustained collector current handling; supports moderate-signal amplification and relay/LED driver stages.
P_D @ T_A = 25°C	625 mW - Power dissipation limit on PCB; requires thermal derating above 25°C (5.0 mW/°C).
h_FE	75–300 - DC current gain range across I_C = 1–100 mA; ensures stable biasing in Class-A amplifiers and switch drivers.
f_T	150 MHz - Transition frequency at I_C = 10 mA, V_CE = 5 V; suitable for RF preamp and broadband signal conditioning up to ~50 MHz.
V_CE(sat)	≤ 0.4 V @ I_C = 100 mA, I_B = 5 mA - Low saturation voltage minimizes conduction loss in switching applications.
C_obo	6.0 pF - Output capacitance at V_CB = 5 V; contributes to high-frequency roll-off and stability in amplifier feedback networks.

Pinout & Package

Package: TO-92 (Case 29-11, Style 1), epoxy-molded plastic with 3 leads, lead spacing 2.54 mm, body height ≤ 4.7 mm, RoHS-compliant (Pb-free option available as MPS8099RLRMG).

Pin/Terminal	Circuit Role	Design Meaning
1	Emitter	Current sink terminal; connects to ground or low-side reference in common-emitter configurations.
2	Base	Control input; requires current-limited drive (typically 1–10 mA) to achieve full saturation or linear operation.
3	Collector	Current source terminal; connects to load and positive supply in switching or amplification topologies.

Key Features

Feature	Design Value
High V_CEO rating	80 V enables robust operation in 48 V telecom, industrial control, and automotive auxiliary circuits.
Low V_CE(sat)	0.4 V max reduces power loss and self-heating in saturated switching applications like LED drivers.
150 MHz f_T	Supports wideband analog signal amplification and RF front-end stages up to VHF band.
TO-92 mechanical standardization	Ensures drop-in replacement in legacy through-hole PCBs and compatibility with automated insertion equipment.
−55°C to +150°C operating range	Validates use in extended-temperature environments including outdoor electronics and engine-bay modules.

Applications

Audio Pre-amplifier Stage	DC Motor Speed Control
Use Scenario: Amplifying low-level microphone or sensor signals prior to ADC sampling in portable audio recorders. IC Role / Device Role / Timing Role: NPN small-signal amplifier in common-emitter configuration with fixed bias network. Use Value: h_FE ≥ 75 at 10 mA ensures stable gain; f_T = 150 MHz preserves bandwidth beyond audible spectrum.	Use Scenario: Driving small brushed DC motors (≤12 V, ≤300 mA) in robotics and appliance actuators via PWM. IC Role / Device Role / Timing Role: Saturated switch controlling motor current path between supply and ground. Use Value: V_CE(sat) ≤ 0.4 V limits conduction loss; 500 mA I_C rating accommodates motor surge currents.
Power Supply Enable Switch	Industrial Sensor Interface
Use Scenario: Enabling/disabling secondary voltage rails (e.g., 5 V, 12 V) in multi-rail power supplies using microcontroller GPIO. IC Role / Device Role / Timing Role: Low-side switch turning on/off regulator enable pins or MOSFET gate drivers. Use Value: 80 V V_CEO provides margin against transients; TO-92 footprint simplifies layout in space-constrained PSUs.	Use Scenario: Level-shifting and buffering analog outputs from pressure/temperature sensors in PLC I/O modules. IC Role / Device Role / Timing Role: Emitter-follower buffer isolating sensitive sensor circuitry from noisy digital backplanes. Use Value: High h_FE (>100 at 1 mA) maintains signal fidelity; C_ibo = 25 pF minimizes capacitive loading on sensor output.

Audio Pre-amplifier Stage

DC Motor Speed Control

Use Scenario: Amplifying low-level microphone or sensor signals prior to ADC sampling in portable audio recorders.

IC Role / Device Role / Timing Role: NPN small-signal amplifier in common-emitter configuration with fixed bias network.

Use Value: h_FE ≥ 75 at 10 mA ensures stable gain; f_T = 150 MHz preserves bandwidth beyond audible spectrum.

Use Scenario: Driving small brushed DC motors (≤12 V, ≤300 mA) in robotics and appliance actuators via PWM.

IC Role / Device Role / Timing Role: Saturated switch controlling motor current path between supply and ground.

Use Value: V_CE(sat) ≤ 0.4 V limits conduction loss; 500 mA I_C rating accommodates motor surge currents.

Power Supply Enable Switch

Industrial Sensor Interface

Use Scenario: Enabling/disabling secondary voltage rails (e.g., 5 V, 12 V) in multi-rail power supplies using microcontroller GPIO.

IC Role / Device Role / Timing Role: Low-side switch turning on/off regulator enable pins or MOSFET gate drivers.

Use Value: 80 V V_CEO provides margin against transients; TO-92 footprint simplifies layout in space-constrained PSUs.

Use Scenario: Level-shifting and buffering analog outputs from pressure/temperature sensors in PLC I/O modules.

IC Role / Device Role / Timing Role: Emitter-follower buffer isolating sensitive sensor circuitry from noisy digital backplanes.

Use Value: High h_FE (>100 at 1 mA) maintains signal fidelity; C_ibo = 25 pF minimizes capacitive loading on sensor output.

Equivalent & Alternatives

The following parts are listed as comparable options for similar NPN general-purpose transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BC547B	V_CEO = 45 V, h_FE = 200–450, f_T ≈ 300 MHz, same TO-92 package.	Lower voltage rating limits use in >45 V systems; higher f_T suits faster switching but lower SOA.	Select BC547B only when V_CEO margin < 35 V suffices and higher gain variability is acceptable.
2N3904	V_CEO = 40 V, I_C = 200 mA, P_D = 625 mW, f_T = 300 MHz, TO-92.	Halved current rating restricts motor/solenoid driving; superior f_T benefits high-speed logic interfacing.	Choose 2N3904 for digital signal conditioning where speed matters more than current drive capability.

Compared with BC547B and 2N3904, the MPS8099RLRM offers 80 V V_CEO and 500 mA I_C - critical for industrial 48 V systems - while maintaining compatible TO-92 mounting and sufficient f_T for most analog and medium-speed switching tasks.

Availability

MPS8099RLRM is available at Aetrix Electronics and suitable for audio pre-amplification, DC motor control, power supply enable switching, and industrial sensor interface applications requiring stable component supply and long-term obsolescence management.

Supply support for MPS8099RLRM includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

onsemi (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient power, analog, sensing, and connectivity solutions for automotive, industrial, cloud, and consumer markets.

The MPS8099RLRM belongs to onsemi's legacy general-purpose bipolar transistor family, designed for cost-sensitive, high-reliability linear amplification and switching in industrial controls, power management, and signal conditioning systems.

FAQ

What is the maximum collector-emitter voltage rating for MPS8099RLRM?

The MPS8099RLRM has a maximum collector-emitter voltage (V_CEO) rating of 80 Vdc, verified per the official onsemi datasheet (MPS8098/D, Rev. 5). This rating applies under specified test conditions (I_C = 10 mA, I_B = 0) and defines the absolute maximum voltage the device can withstand before breakdown. Exceeding this value risks permanent damage to the MPS8099RLRM.

Is MPS8099RLRM suitable for switching applications?

Yes, the MPS8099RLRM is suitable for medium-speed switching applications due to its V_CE(sat) ≤ 0.4 V at I_C = 100 mA/I_B = 5 mA and f_T = 150 MHz. Switching time data (t_r, t_f, t_d) confirms nanosecond-scale transitions under standard test conditions. However, it is not optimized for high-frequency SMPS; for such use, dedicated power switches or MOSFETs are preferred over the MPS8099RLRM.

What package type does MPS8099RLRM use?

The MPS8099RLRM uses the TO-92 package (Case 29-11, Style 1), a standardized 3-lead through-hole plastic package with pin 1 = Emitter, pin 2 = Base, pin 3 = Collector. Dimensions comply with ANSI Y14.5M, and the part is offered in Pb-free variant (MPS8099RLRMG). The "RLRM" suffix specifically denotes ammo pack packaging format (2,000 units per pack).

Does MPS8099RLRM have a guaranteed minimum h_FE at 100 mA collector current?

Yes, the MPS8099RLRM guarantees a minimum h_FE of 75 at I_C = 100 mA, V_CE = 5.0 V, and T_A = 25°C, as specified in the "ON CHARACTERISTICS" table of the onsemi datasheet. This ensures predictable current amplification in saturated switching and linear amplifier designs where bias stability is critical for the MPS8099RLRM.

What is the thermal resistance from junction to ambient (R_JA) for MPS8099RLRM?

The thermal resistance from junction to ambient (R_JA) for MPS8099RLRM is 200 °C/W, measured with the device soldered onto a typical printed circuit board. This value assumes standard PCB copper area and airflow conditions; actual R_JA will vary with board layout and heatsinking. Derating begins above 25°C at 5.0 mW/°C, directly impacting safe operating power for the MPS8099RLRM.

MPS8099RLRM Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

Package/Case:: TO-226-3, TO-92-3 Long Body, Formed Leads

Packaging:: Tape & Box (TB)

Product Status:: Obsolete

Transistor Type:: NPN

Current - Collector (Ic) (Max):: 500 mA

Voltage - Collector Emitter Breakdown (Max):: 80 V

Vce Saturation (Max) @ Ib, Ic:: 400mV @ 5mA, 100mA

Current - Collector Cutoff (Max):: 100nA

DC Current Gain (hFE) (Min) @ Ic, Vce:: 100 @ 1mA, 5V

Power - Max:: 625 mW

Frequency - Transition:: 150MHz

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-92 (TO-226)

MPS8099RLRM FAQ

1.How can I place an order for MPS8099RLRM through Aetrix?

Please submit a Request for Quotation (RFQ) for MPS8099RLRM on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MPS8099RLRM reliable?

The price and inventory of MPS8099RLRM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPS8099RLRM is usually 5 days.

3.What payment methods are accepted for MPS8099RLRM?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPS8099RLRM transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MPS8099RLRM?

MPS8099RLRM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MPS8099RLRM order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MPS8099RLRM?

For technical support, including MPS8099RLRM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPS8099RLRM requirements.

6.How does Aetrix verify that MPS8099RLRM is sourced from the original manufacturer or authorized distributors?

All MPS8099RLRM products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MPS8099RLRM meets industry standards.

7.What is the process for return or replacement of MPS8099RLRM?

All MPS8099RLRM units undergo pre-shipment inspection (PSI). If there is an issue with MPS8099RLRM, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MPS8099RLRM part is unused and in its original packaging.

Return procedure for MPS8099RLRM:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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