Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

onsemi MJL21193

Name: MJL21193
Brand: onsemi
SKU: MJL21193
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: MJL21193

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: TO-264-3, TO-264AA

Datasheet:: MJL21193.pdf

Description:: TRANS PNP 250V 16A TO-264

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:8,241

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

MJL21193 from onsemi is a PNP silicon power transistor with 250 V_CEO, 16 A continuous collector current, and 200 W power dissipation at T_C = 25°C, utilizing perforated emitter technology for high-fidelity audio output stages and linear amplifier applications.

For engineers reviewing the MJL21193 datasheet, pinout, applications, or equivalent options, key selection criteria include safe operating area (SOA) performance at 50–80 V, THD characterization down to 0.08% in matched-pair configurations, and thermal resistance of 0.7°C/W junction-to-case.

Technical Context

The MJL21193 is a discrete PNP bipolar junction transistor optimized for linear operation, featuring high DC current gain (h_FE = 25–75 at I_C = 8 A), low saturation voltage (V_CE(sat) ≤ 1.4 V at I_C = 16 A / I_B = 3.2 A), and characterized total harmonic distortion in audio-frequency conditions.

Its perforated emitter construction enhances gain linearity and second-breakdown immunity, supporting stable operation under high-voltage, high-current linear loads such as Class-AB audio output stages and precision disk head positioners.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	250 Vdc - Maximum collector-emitter blocking voltage under open-base conditions, defining high-voltage audio stage compatibility.
I_C (continuous)	16 Adc - Sustained collector current capability at T_C = 25°C, enabling high-power output stage design without forced cooling.
P_D	200 W - Total power dissipation limit at case temperature 25°C, requiring heatsinking for sustained linear operation.
R_JC	0.7 °C/W - Junction-to-case thermal resistance, dictating minimum heatsink thermal resistance for safe T_J ≤ 150°C operation.
THD	0.08% - Measured total harmonic distortion at 1 kHz, 28.3 V_RMS, 100 W_RMS load with matched pair biasing.
f_T	4 MHz - Current gain bandwidth product at I_C = 1 A, V_CE = 10 V, supporting wideband linear amplification up to mid-audio frequencies.
C_ob	500 pF - Output capacitance at V_CB = 10 V, influencing high-frequency stability and compensation requirements in feedback amplifiers.

Pinout & Package

Package: TO-264 (Case 340G, Style 2), isolated metal tab, Pb-free, with mechanical mounting holes compatible with standard TO-3BPL heatsinks.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Current-controlled input terminal; requires ≥0.8 A base drive for full 16 A conduction, with V_BE(on) ≤ 2.2 V.
2	Collector	Main high-current, high-voltage output terminal; electrically connected to metal tab-must be insulated from heatsink unless referenced to system ground.
3	Emitter	Common return path for collector current; tied to output node in common-emitter amplifier configuration and referenced to load ground.

Key Features

Feature	Design Value
Perforated Emitter Technology	Improves gain linearity and reduces localized thermal runaway during high-current linear operation, extending SOA reliability.
High SOA (Second Breakdown)	Supports 4.0 A at V_CE = 50 V (1 s non-repetitive), enabling robust transient handling in audio clipping and servo overload conditions.
Matched-Pair THD Characterization	0.08% THD verified in complementary pair configuration (MJL21193 + MJL21194), reducing even-order harmonics in push-pull output stages.
Pb-Free & RoHS Compliant	Meets EU RoHS Directive 2011/65/EU and JEDEC J-STD-609A Class 3 moisture sensitivity, supporting lead-free reflow assembly.
Wide Operating Temperature Range	−65°C to +150°C junction range allows deployment in industrial audio amplifiers, broadcast equipment, and automotive audio subsystems.

Applications

High-Fidelity Audio Amplifiers	Disk Head Positioning Servos
Use Scenario: Final output stage in Class-AB stereo power amplifiers delivering ≥100 W into 4 Ω or 8 Ω loads. IC Role / Device Role / Timing Role: PNP power switching element in complementary push-pull topology, sourcing current to load during negative half-cycle. Use Value: Low THD (0.08%) and high SOA ensure clean signal reproduction under dynamic load transients without thermal compression or crossover distortion.	Use Scenario: Linear actuator driver in HDD voice coil motor (VCM) positioning systems requiring precise analog current control. IC Role / Device Role / Timing Role: High-linearity current source/sink in closed-loop servo amplifier, directly driving bidirectional coil current. Use Value: Excellent h_FE linearity and low V_CE(sat) minimize positional error and thermal drift during rapid seek operations.
Linear Power Supplies	Industrial Motor Control
Use Scenario: Pass transistor in high-current, low-noise linear regulated power supplies for test equipment and analog instrumentation. IC Role / Device Role / Timing Role: Series pass element regulating output voltage via base current modulation in feedback-controlled loop. Use Value: 200 W dissipation and 0.7°C/W R_JC enable stable regulation at >10 A output with minimal thermal derating.	Use Scenario: H-bridge half-bridge leg in low-speed, high-torque industrial motor drivers for conveyors and actuators. IC Role / Device Role / Timing Role: High-voltage, high-current switching device in discrete BJT-based bridge topology, handling bidirectional inductive loads. Use Value: 400 V_CEX rating and 30 A peak current support safe commutation of inductive back-EMF in 200 V DC bus systems.

High-Fidelity Audio Amplifiers

Disk Head Positioning Servos

Use Scenario: Final output stage in Class-AB stereo power amplifiers delivering ≥100 W into 4 Ω or 8 Ω loads.

IC Role / Device Role / Timing Role: PNP power switching element in complementary push-pull topology, sourcing current to load during negative half-cycle.

Use Value: Low THD (0.08%) and high SOA ensure clean signal reproduction under dynamic load transients without thermal compression or crossover distortion.

Use Scenario: Linear actuator driver in HDD voice coil motor (VCM) positioning systems requiring precise analog current control.

IC Role / Device Role / Timing Role: High-linearity current source/sink in closed-loop servo amplifier, directly driving bidirectional coil current.

Use Value: Excellent h_FE linearity and low V_CE(sat) minimize positional error and thermal drift during rapid seek operations.

Linear Power Supplies

Industrial Motor Control

Use Scenario: Pass transistor in high-current, low-noise linear regulated power supplies for test equipment and analog instrumentation.

IC Role / Device Role / Timing Role: Series pass element regulating output voltage via base current modulation in feedback-controlled loop.

Use Value: 200 W dissipation and 0.7°C/W R_JC enable stable regulation at >10 A output with minimal thermal derating.

Use Scenario: H-bridge half-bridge leg in low-speed, high-torque industrial motor drivers for conveyors and actuators.

IC Role / Device Role / Timing Role: High-voltage, high-current switching device in discrete BJT-based bridge topology, handling bidirectional inductive loads.

Use Value: 400 V_CEX rating and 30 A peak current support safe commutation of inductive back-EMF in 200 V DC bus systems.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP power transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BDW84C	Lower V_CEO (100 V), lower P_D (125 W), no THD characterization, TO-220 package.	Suitable only for <100 V, <50 W linear applications; lacks perforated emitter and SOA optimization for audio.	Select BDW84C only for cost-sensitive, low-voltage general-purpose switching where THD and SOA are not critical.
MJE15033	Same V_CEO (250 V), lower I_C (8 A), lower P_D (75 W), TO-220 package, no THD data.	Limited to medium-power audio pre-output or driver stages; insufficient for 100 W+ final output stage duty.	Choose MJE15033 for driver-stage use with MJL21193, not as direct replacement in output stage roles.

Compared with BDW84C and MJE15033, the MJL21193 delivers uniquely validated audio-grade linearity, 2× higher power dissipation, and SOA-rated operation at 50–80 V-making it irreplaceable in high-fidelity, high-power linear amplifier output stages.

Availability

MJL21193 is available at Aetrix Electronics and suitable for high-fidelity audio amplifiers, disk head positioners, and linear power supplies requiring stable component supply across long production lifecycles.

Supply support for MJL21193 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 is a global semiconductor supplier specializing in energy-efficient power management, analog, sensors, and connectivity solutions for automotive, industrial, and cloud infrastructure markets.

The MJL21193 belongs to onsemi's Silicon Power Transistor family, engineered specifically for high-linearity, high-SOA linear applications including audio output stages and precision servo drivers.

FAQ

What is the maximum safe collector-emitter voltage for MJL21193 in linear operation?

The MJL21193 has a rated V_CEO of 250 Vdc and a higher V_CEX of 400 Vdc (with base forward-biased at 1.5 V). For reliable linear operation, V_CE must remain within the Safe Operating Area curves-especially critical above 50 V, where second breakdown limits current to 4.0 A at 50 V (1 s non-repetitive). The MJL21193 must never exceed these SOA boundaries in sustained use.

Does MJL21193 require a heatsink, and what thermal resistance is needed?

Yes-the MJL21193 has R_JC = 0.7°C/W and a maximum junction temperature of +150°C. To maintain T_J ≤ 150°C at full 200 W dissipation with ambient ≤ 25°C, the total thermal resistance (R_θJA) must be ≤ 0.625°C/W. This requires a high-performance heatsink with R_θSA ≤ 0.3°C/W plus low-thermal-resistance mounting (e.g., thermal grease + mica insulator). The MJL21193 cannot operate safely at rated power without active heatsinking.

Is MJL21193 pin-compatible with MJL21194 for complementary pair designs?

No-although both use TO-264 (Style 2) packaging, the MJL21193 (PNP) and MJL21194 (NPN) have identical pinouts (Pin 1 = Base, Pin 2 = Collector, Pin 3 = Emitter), but their complementary polarity means they occupy opposite sides of a push-pull stage and cannot substitute for one another electrically. The MJL21193 must be used with the MJL21194 as a matched pair-not as interchangeable devices.

What does "Perforated Emitter" mean for MJL21193 performance?

Perforated Emitter is a proprietary onsemi structure where the emitter region contains micro-perforations that improve current density uniformity across the die. This reduces localized heating and enhances h_FE linearity-directly lowering THD in audio applications and increasing second-breakdown immunity. It is a core differentiator of the MJL21193 versus conventional PNP power transistors, and is explicitly cited in the datasheet as enabling its high-fidelity performance.

Can MJL21193 be used in switching applications like PWM motor control?

The MJL21193 is optimized for linear operation-not fast switching. Its f_T is only 4 MHz, and it lacks specified switching times (t_on/t_off) or charge data. While it can handle 30 A peak current, its relatively high V_CE(sat) (up to 4 V) and lack of switching characterization make it inefficient and thermally risky in hard-switched PWM topologies. The MJL21193 is best applied in analog linear circuits-not digital switching.

MJL21193 Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

Package/Case:: TO-264-3, TO-264AA

Packaging:: Tube

Product Status:: Obsolete

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 16 A

Voltage - Collector Emitter Breakdown (Max):: 250 V

Vce Saturation (Max) @ Ib, Ic:: 4V @ 3.2A, 16A

Current - Collector Cutoff (Max):: 100µA

DC Current Gain (hFE) (Min) @ Ic, Vce:: 25 @ 8A, 5V

Power - Max:: 200 W

Frequency - Transition:: 4MHz

Operating Temperature:: -65°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-264

MJL21193 FAQ

1.How can I place an order for MJL21193 through Aetrix?

Please submit a Request for Quotation (RFQ) for MJL21193 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 MJL21193 reliable?

The price and inventory of MJL21193 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MJL21193 is usually 5 days.

3.What payment methods are accepted for MJL21193?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MJL21193 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MJL21193?

MJL21193 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MJL21193 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 MJL21193?

For technical support, including MJL21193 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MJL21193 requirements.

6.How does Aetrix verify that MJL21193 is sourced from the original manufacturer or authorized distributors?

All MJL21193 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 MJL21193 meets industry standards.

7.What is the process for return or replacement of MJL21193?

All MJL21193 units undergo pre-shipment inspection (PSI). If there is an issue with MJL21193, 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 MJL21193 part is unused and in its original packaging.

Return procedure for MJL21193:

1.Submit a request within 90 days.

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

Tech Hub

2026-09-09 Counterfeit Electronic Components: How to Detect, Authenticate, and Test Suspect Parts

Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …

2026-09-08 Obsolete Electronic Components: How to Source and Evaluate Replacements

A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.

2026-09-07 TTL vs CMOS Logic Levels: 74HC and 74HCT Compatibility Explained

TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.

2026-09-04 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-02 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…