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

onsemi MPS8599RLRMG

Name: MPS8599RLRMG
Brand: onsemi
SKU: MPS8599RLRMG
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MPS8599RLRMG

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

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

Datasheet:: MPS8599RLRMG.pdf

Description:: TRANS PNP 80V 0.5A TO92

Quantity:: RFQ Add To RFQ list

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Product details

Overview

MPS8599RLRMG from onsemi is a PNP bipolar junction transistor (BJT) designed for general-purpose amplification and switching in low-to-medium power analog and digital circuits. It features a 80 V collector-emitter breakdown voltage (V_(BR)CEO), 500 mA continuous collector current (I_C), and DC current gain (h_FE) of 100–300 at I_C = 1.0 mA, making it suitable for audio preamplifier stages, relay drivers, and level-shifting interfaces.

For engineers reviewing the MPS8599RLRMG datasheet, pinout, applications, or equivalent options, key selection criteria include its TO-92 package compatibility, −80 V V_CEO rating, 150 MHz f_T, V_CE(sat) ≤ 0.4 V at I_C/I_B = 20, and guaranteed operation from −55°C to +150°C junction temperature.

Technical Context

This PNP transistor operates with negative voltage polarities: V_CE, V_CB, and V_EB are all rated negatively per datasheet convention. Its f_T of 150 MHz at I_C = 10 mA and V_CE = −5.0 V supports medium-frequency amplification, while C_obo = 8.0 pF and C_ibo = 30 pF define high-frequency input/output impedance behavior.

The device delivers V_BE(on) = 0.6–0.8 V at I_C = 10 mA and exhibits thermal resistance R_JA = 200°C/W (PCB-mounted) and R_JC = 83.3°C/W, enabling reliable operation up to 1.5 W dissipation at case temperature of 25°C - critical for thermally constrained PCB layouts.

Key Specifications

Parameter	Value and Actual Design Meaning
V_(BR)CEO	−80 V - Supports rail-to-rail negative supply operation up to −80 V without breakdown.
I_C (continuous)	−500 mA - Enables driving loads such as small relays, LEDs, or logic-level translators with margin.
h_FE	100–300 @ I_C = 1.0 mA - Ensures stable biasing in Class-A amplifier stages with predictable gain.
f_T	150 MHz - Allows use in RF predriver or broadband audio amplifier applications up to ~50 MHz practical bandwidth.
V_CE(sat)	≤ −0.4 V @ I_C = −100 mA, I_B = −5 mA - Minimizes conduction loss in saturated-switching configurations.
T_J range	−55°C to +150°C - Qualified for automotive under-hood, industrial control, and outdoor equipment environments.
P_D @ T_C = 25°C	1.5 W - Permits higher-power switching than standard TO-92 devices when heatsinked via case contact.

Pinout & Package

Package: TO-92 (Case 29-11), straight-lead, Pb-free, ammo-pack format (2000 units). Dimensions conform to JEDEC TO-226 standard with lead pitch 2.54 mm and body height ~4.7 mm.

Pin/Terminal	Circuit Role	Design Meaning
1 (Emitter)	Current source terminal for PNP operation	Connected to most positive node in circuit; determines polarity of bias network and saturation voltage reference.
2 (Base)	Control electrode for minority-carrier injection	Requires negative base current relative to emitter to turn on; typical drive uses NPN driver or resistive pull-down.
3 (Collector)	Current sink terminal	Connected to load and negative supply; voltage swing limited by V_(BR)CEO = −80 V.

Key Features

Feature	Design Value
Pb-free TO-92 package	Complies with RoHS Directive 2011/65/EU and J-STD-020 reflow profiles for lead-free assembly.
High V_(BR)CBO = −80 V	Enables use in high-side switch topologies with elevated collector voltages without avalanche risk.
Low C_obo = 8.0 pF	Reduces Miller effect in common-emitter amplifiers, supporting stable gain above 20 MHz.
Guaranteed h_FE ≥ 100	Ensures consistent DC bias stability across production lots without individual binning or trimming.
R_JC = 83.3°C/W	Allows direct thermal coupling to metal chassis or copper pour for >1 W continuous operation without external heatsink.

Applications

Audio Preamp Stage	Relay Driver Circuit
Use Scenario: Low-noise voltage amplification in battery-powered portable audio mixers before ADC input. IC Role / Device Role / Timing Role: PNP common-emitter amplifier providing 20–30 dB midband gain with minimal distortion. Use Value: V_CE(sat) ≤ −0.4 V and h_FE ≥ 100 ensure stable quiescent point and low THD across temperature.	Use Scenario: Driving 12 V, 40 mA coil of electromagnetic relay from microcontroller GPIO. IC Role / Device Role / Timing Role: Saturated PNP switch sinking relay current to ground when base is pulled low. Use Value: −500 mA I_C rating provides 10× safety margin; fast t_f < 200 ns ensures clean relay release.
Level-Shifting Interface	Current Mirror Reference
Use Scenario: Translating 3.3 V logic signals to −5 V domain in mixed-supply industrial I/O modules. IC Role / Device Role / Timing Role: Emitter-follower configured for bidirectional level translation with low output impedance. Use Value: V_BE(on) = −0.6 to −0.8 V enables precise offset control; C_ibo = 30 pF limits edge rate degradation.	Use Scenario: Building matched current mirror pair with MPS8099 (NPN) in precision analog sensor signal conditioning. IC Role / Device Role / Timing Role: PNP half of complementary mirror sourcing reference current into op-amp feedback path. Use Value: Tight h_FE spread (100–300) and low V_CE(sat) minimize mirror ratio error and compliance voltage drop.

Audio Preamp Stage

Relay Driver Circuit

Use Scenario: Low-noise voltage amplification in battery-powered portable audio mixers before ADC input.

IC Role / Device Role / Timing Role: PNP common-emitter amplifier providing 20–30 dB midband gain with minimal distortion.

Use Value: V_CE(sat) ≤ −0.4 V and h_FE ≥ 100 ensure stable quiescent point and low THD across temperature.

Use Scenario: Driving 12 V, 40 mA coil of electromagnetic relay from microcontroller GPIO.

IC Role / Device Role / Timing Role: Saturated PNP switch sinking relay current to ground when base is pulled low.

Use Value: −500 mA I_C rating provides 10× safety margin; fast t_f < 200 ns ensures clean relay release.

Level-Shifting Interface

Current Mirror Reference

Use Scenario: Translating 3.3 V logic signals to −5 V domain in mixed-supply industrial I/O modules.

IC Role / Device Role / Timing Role: Emitter-follower configured for bidirectional level translation with low output impedance.

Use Value: V_BE(on) = −0.6 to −0.8 V enables precise offset control; C_ibo = 30 pF limits edge rate degradation.

Use Scenario: Building matched current mirror pair with MPS8099 (NPN) in precision analog sensor signal conditioning.

IC Role / Device Role / Timing Role: PNP half of complementary mirror sourcing reference current into op-amp feedback path.

Use Value: Tight h_FE spread (100–300) and low V_CE(sat) minimize mirror ratio error and compliance voltage drop.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP BJT amplification and switching applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BC857B,115	SOT-23 package (smaller footprint), lower I_C = −100 mA, h_FE = 200–450, f_T = 100 MHz	Not suitable for >100 mA loads; better for space-constrained logic interface vs. power switching	Select when board area is critical and load current ≤ 100 mA.
MPSA56	TO-92 package, same pinout, V_(BR)CEO = −60 V, I_C = −500 mA, h_FE = 100–300, f_T = 50 MHz	Limited to −60 V rails; lower bandwidth restricts use in >10 MHz signal paths	Select when −60 V max voltage suffices and cost sensitivity outweighs f_T requirement.

Compared with BC857B,115 and MPSA56, the MPS8599RLRMG offers superior voltage capability (−80 V), higher f_T (150 MHz), and identical TO-92 mechanical fit - making it optimal for robust, medium-frequency, medium-current PNP roles where reliability and headroom are prioritized over miniaturization or lowest cost.

Availability

MPS8599RLRMG is available at Aetrix Electronics and suitable for industrial control systems, automotive body electronics, and consumer audio equipment requiring stable component supply, long-term manufacturability, and RoHS-compliant packaging.

Supply support for MPS8599RLRMG 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 focused on energy-efficient innovation for automotive, industrial, cloud, medical, and IoT applications.

The MPS8599RLRMG belongs to onsemi's legacy general-purpose BJT product line, engineered for cost-sensitive, high-reliability linear and switching functions in non-automotive-grade applications with extended temperature tolerance.

FAQ

What is the maximum collector-emitter voltage rating for MPS8599RLRMG?

The MPS8599RLRMG has a guaranteed minimum collector-emitter breakdown voltage V_(BR)CEO of −80 Vdc at I_C = 10 mAdc and I_B = 0. This rating applies under DC or pulsed conditions with proper thermal management and defines the upper limit of negative voltage that can be safely applied between collector and emitter terminals without device failure.

Is MPS8599RLRMG pin-compatible with other TO-92 PNP transistors like MPSA56?

Yes, MPS8599RLRMG uses the standard TO-92 package with Style 1 pinout (1 = Emitter, 2 = Base, 3 = Collector), matching MPSA56 and many legacy PNP devices. However, while mechanical and pinout compatible, electrical differences - including −80 V vs. −60 V V_(BR)CEO and 150 MHz vs. 50 MHz f_T - require verification in the target circuit before substitution.

What is the typical DC current gain (h_FE) of MPS8599RLRMG at 10 mA collector current?

At I_C = −10 mAdc and V_CE = −5.0 Vdc, the MPS8599RLRMG exhibits h_FE ranging from 100 to 300 per datasheet specifications. This wide but guaranteed range supports robust bias design across temperature and process variation without requiring active compensation in fixed-gain amplifier stages.

Can MPS8599RLRMG be used in switching applications with fast transitions?

Yes, the MPS8599RLRMG supports switching with measured turn-off time t_f < 200 ns and turn-on time t_r < 300 ns under standard test conditions (V_CC = −40 V, I_C/I_B = 10). Its 150 MHz f_T and low capacitances (C_obo = 8.0 pF, C_ibo = 30 pF) further enable reliable operation in pulse-width modulation and digital logic interface circuits up to several megahertz.

Does MPS8599RLRMG meet RoHS requirements?

Yes, MPS8599RLRMG is explicitly marked as Pb-free in the onsemi datasheet (MPS8099/D) and shipped in RoHS-compliant ammo-pack packaging. It satisfies EU Directive 2011/65/EU and is qualified for lead-free reflow soldering per J-STD-020, with no exemptions required for lead content.

MPS8599RLRMG 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:: PNP

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)

MPS8599RLRMG FAQ

1.How can I place an order for MPS8599RLRMG through Aetrix?

Please submit a Request for Quotation (RFQ) for MPS8599RLRMG 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 MPS8599RLRMG reliable?

The price and inventory of MPS8599RLRMG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPS8599RLRMG is usually 5 days.

3.What payment methods are accepted for MPS8599RLRMG?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPS8599RLRMG transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MPS8599RLRMG?

MPS8599RLRMG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MPS8599RLRMG 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 MPS8599RLRMG?

For technical support, including MPS8599RLRMG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPS8599RLRMG requirements.

6.How does Aetrix verify that MPS8599RLRMG is sourced from the original manufacturer or authorized distributors?

All MPS8599RLRMG 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 MPS8599RLRMG meets industry standards.

7.What is the process for return or replacement of MPS8599RLRMG?

All MPS8599RLRMG units undergo pre-shipment inspection (PSI). If there is an issue with MPS8599RLRMG, 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 MPS8599RLRMG part is unused and in its original packaging.

Return procedure for MPS8599RLRMG:

1.Submit a request within 90 days.

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

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