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

onsemi 2SA1469R

Name: 2SA1469R
Brand: onsemi
SKU: 2SA1469R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 2SA1469R

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: TO-220-3 Full Pack

Datasheet:: 2SA1469R.pdf

Description:: TRANS PNP 60V 5A TO-220ML

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Product details

Overview

2SA1469R from SANYO Semiconductor is a PNP epitaxial planar silicon transistor designed for high-speed switching in power circuits, with V_CEO = −60 V, I_C = −5 A, P_C = 20 W at T_c = 25°C, f_T = 100 MHz, and V_CE(sat) = −0.4 V at I_C = −2.5 A / I_B = −0.125 A. It is used in inverter-based fluorescent lamp drivers, automotive power amplifiers, and switching regulators.

For engineers reviewing the 2SA1469R datasheet, pinout, applications, or equivalent options, key selection criteria include its micaless TO-220ML package, low saturation voltage under high-current switching, h_FE rank R (100–200 at I_C = −1 A), and verified turn-on/turn-off timing performance in pulse-driven power stages.

Technical Context

The 2SA1469R operates as a medium-power PNP bipolar junction transistor optimized for fast transient response in hard-switched topologies. Its design emphasizes low V_CE(sat) and short switching times (t_on = 0.1 µs, t_stg = 0.5 µs, t_f = 0.1 µs) while maintaining robust secondary breakdown immunity up to 150°C junction temperature.

It features a planar epitaxial structure enabling stable h_FE across collector current (70–280 at I_C = −1 A, ranked R: 100–200), and is specified for operation with base-emitter reverse bias up to −5 V and collector-base voltage up to −80 V - supporting reliable use in inductive load commutation and bridge-leg configurations.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−60 V: Maximum safe collector-emitter voltage before avalanche in common-emitter configuration, critical for flyback and inverter switch protection.
I_C	−5 A continuous: Rated DC collector current at case temperature 25°C, defining usable output stage capacity in motor drivers and audio amps.
f_T	100 MHz: Gain-bandwidth product at V_CE = −5 V, I_C = −1 A - confirms suitability for >100 kHz switching applications without gain collapse.
V_CE(sat)	−0.4 V at I_C = −2.5 A / I_B = −0.125 A: Low conduction loss enabling <1 W dissipation at rated current, reducing heatsink requirements.
t_on/t_f	0.1 µs each: Verified turn-on and fall time under defined test circuit (V_CC = 20 V, R_L, 20I_B1 = −20I_B2 = I_C = −2 A), supporting 5 MHz max switching frequency.
h_FE Rank	R (100–200): Tight DC current gain binning at I_C = −1 A, V_CE = −2 V - ensures predictable base drive sizing in production designs.
P_C @ T_c	20 W at T_c = 25°C: Thermal power limit with direct case mounting; derates linearly to zero at T_c = 150°C per PC–Tc curve.

Pinout & Package

2SA1469R uses the micaless TO-220ML package (SANYO designation), featuring three leads mounted on a single-plane metal tab for direct heatsink attachment without insulating washers. The package enables high thermal conductivity and simplified mechanical mounting in high-power driver modules.

Pin/Terminal	Circuit Role	Design Meaning
1 (Base)	Current-controlled input terminal	Receives negative base current to initiate conduction; requires −0.125 A for full saturation at −2.5 A collector current.
2 (Collector)	Main current sink terminal	Connected to high-side rail in PNP switch configurations; handles −5 A continuous with −60 V standoff capability.
3 (Emitter)	Current source reference terminal	Typically tied to system ground or positive rail in high-side switch layouts; carries full load current and defines V_EB bias path.

Key Features

Feature	Design Value
Low saturation voltage	V_CE(sat) = −0.4 V at I_C = −2.5 A reduces conduction loss by >40% vs. standard PNP transistors with V_CE(sat) > −0.7 V.
Short switching time	t_on + t_stg + t_f = 0.7 µs enables clean square-wave switching in 500 kHz–1 MHz converters without excessive switching loss.
h_FE current stability	h_FE remains within ±15% over I_C = −0.5 A to −3 A range, simplifying fixed-gain base drive design across load conditions.
Micaless TO-220ML package	Eliminates insulating washer requirement between tab and heatsink, reducing thermal resistance by ~0.5°C/W and assembly steps.

Applications

Fluorescent Lamp Inverter	Automotive Power Amplifier
Use Scenario: High-frequency AC generation for cold-cathode fluorescent lamps (CCFL) in industrial control panels and signage. IC Role / Device Role / Timing Role: PNP switch in push-pull half-bridge output stage, operating at 20–60 kHz with 50% duty cycle. Use Value: Low V_CE(sat) minimizes heat buildup during continuous 24/7 operation; fast switching prevents audible noise and lamp flicker.	Use Scenario: Output stage in Class AB car stereo amplifier delivering ≥25 W into 4 Ω loads. IC Role / Device Role / Timing Role: Complementary PNP device paired with NPN 2SC3746 in quasi-complementary output stage. Use Value: Matched h_FE rank (R) and symmetric switching characteristics ensure low crossover distortion and thermal tracking.
Switching Regulator Driver	Motor Controller H-Bridge
Use Scenario: Primary-side switch in 12 V input, 5 V/3 A isolated flyback converter for embedded industrial power supplies. IC Role / Device Role / Timing Role: High-side PNP switch driven by transformer-coupled gate signal; operates at 250 kHz with 30% duty cycle. Use Value: 100 MHz f_T ensures sufficient current gain at switching frequency; short storage time avoids shoot-through risk during dead-time transitions.	Use Scenario: Upper-leg switch in brushed DC motor controller for HVAC actuators and valve positioning systems. IC Role / Device Role / Timing Role: PNP high-side driver controlling 12 V/2 A motor current with PWM at 1–20 kHz. Use Value: −60 V V_CEO withstands inductive kickback up to −45 V; micaless package allows direct mounting to chassis-grounded heatsink.

Fluorescent Lamp Inverter

Automotive Power Amplifier

Use Scenario: High-frequency AC generation for cold-cathode fluorescent lamps (CCFL) in industrial control panels and signage.

IC Role / Device Role / Timing Role: PNP switch in push-pull half-bridge output stage, operating at 20–60 kHz with 50% duty cycle.

Use Value: Low V_CE(sat) minimizes heat buildup during continuous 24/7 operation; fast switching prevents audible noise and lamp flicker.

Use Scenario: Output stage in Class AB car stereo amplifier delivering ≥25 W into 4 Ω loads.

IC Role / Device Role / Timing Role: Complementary PNP device paired with NPN 2SC3746 in quasi-complementary output stage.

Use Value: Matched h_FE rank (R) and symmetric switching characteristics ensure low crossover distortion and thermal tracking.

Switching Regulator Driver

Motor Controller H-Bridge

Use Scenario: Primary-side switch in 12 V input, 5 V/3 A isolated flyback converter for embedded industrial power supplies.

IC Role / Device Role / Timing Role: High-side PNP switch driven by transformer-coupled gate signal; operates at 250 kHz with 30% duty cycle.

Use Value: 100 MHz f_T ensures sufficient current gain at switching frequency; short storage time avoids shoot-through risk during dead-time transitions.

Use Scenario: Upper-leg switch in brushed DC motor controller for HVAC actuators and valve positioning systems.

IC Role / Device Role / Timing Role: PNP high-side driver controlling 12 V/2 A motor current with PWM at 1–20 kHz.

Use Value: −60 V V_CEO withstands inductive kickback up to −45 V; micaless package allows direct mounting to chassis-grounded heatsink.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP high-speed switching transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
2SA1051	V_CEO = −120 V, I_C = −3 A, f_T = 50 MHz, TO-220 package	Higher voltage rating but lower current and bandwidth; less suitable for 5 A, >100 kHz designs	Select when higher breakdown margin is required and peak current stays below 3 A.
MJD2955G	V_CEO = −60 V, I_C = −10 A, f_T = 3 MHz, TO-220AB package	Higher current rating but significantly slower switching; unsuitable for >50 kHz operation	Prefer for linear-regulator pass devices or low-frequency motor drives where speed is not critical.

Compared with 2SA1469R, 2SA1051 trades current and speed for voltage headroom, while MJD2955G sacrifices bandwidth for higher current handling - making 2SA1469R uniquely balanced for 5 A, 100 kHz+ switching in compact TO-220ML layouts.

Availability

2SA1469R is available at Aetrix Electronics and suitable for fluorescent lamp inverters, automotive audio amplifiers, and switching regulator drivers requiring stable component supply and consistent h_FE binning across production lots.

Supply support for 2SA1469R 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

SANYO Semiconductor was a Japanese semiconductor manufacturer specializing in analog, power, and optoelectronic components before its acquisition by ON Semiconductor in 2012.

The 2SA1469R belongs to SANYO's high-speed bipolar transistor product line, engineered specifically for efficiency-critical power switching in lighting, audio, and motor control systems where low V_CE(sat) and fast timing are mandatory.

FAQ

What is the maximum continuous collector current rating for the 2SA1469R?

The 2SA1469R is rated for −5 A continuous collector current at case temperature T_c = 25°C. Derating applies above this temperature per the PC–Tc curve: at T_c = 100°C, maximum I_C drops to approximately −3.2 A. This rating assumes proper heatsinking and operation within V_CEO and SOA limits. The 2SA1469R must not be operated beyond its Safe Operating Area boundaries defined in the datasheet.

Does the 2SA1469R have a built-in base-emitter resistor or diode?

No, the 2SA1469R is a standard discrete PNP bipolar junction transistor with no integrated base resistors or clamp diodes. It has only three external terminals (Base, Collector, Emitter) and requires external base drive circuitry - including current-limiting resistors and optional Baker clamp - for reliable switching. This matches the pinout and biasing requirements documented in the 2SA1469R datasheet Figure "Switching Time Test Circuit".

What does the "R" suffix in 2SA1469R indicate?

"R" denotes the h_FE gain rank bin: for the 2SA1469R, h_FE is guaranteed between 100 and 200 at V_CE = −2 V and I_C = −1 A. This binning enables predictable base drive design and matched pairing with complementary NPN 2SC3746-R devices. Other bins include Q (70–140) and S (140–280); the 2SA1469R specifically refers to the R-ranked variant.

Can the 2SA1469R replace the 2SA1469 without changes to the PCB layout?

Yes - the 2SA1469R shares identical TO-220ML package dimensions, pinout (Base–Collector–Emitter), and thermal/mechanical mounting interface with the base 2SA1469. The "R" suffix indicates only h_FE binning; all absolute maximum ratings, electrical characteristics, and package drawings remain unchanged. Therefore, the 2SA1469R is a direct drop-in replacement for any 2SA1469 design requiring the R gain range.

Is the 2SA1469R suitable for automotive under-hood applications?

The 2SA1469R supports junction temperatures up to 150°C and is characterized down to −40°C, meeting basic extended temperature requirements. However, it lacks AEC-Q101 qualification, and SANYO's datasheet explicitly excludes use in safety-critical automotive systems (e.g., engine control, braking). For non-safety automotive applications like cabin lighting or accessory amplifiers, the 2SA1469R may be used with appropriate derating and system-level fault protection - but not as a qualified automotive-grade part.

2SA1469R Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

Package/Case:: TO-220-3 Full Pack

Packaging:: Bulk

Product Status:: Active

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 5 A

Voltage - Collector Emitter Breakdown (Max):: 60 V

Vce Saturation (Max) @ Ib, Ic:: 400mV @ 125mA, 2.5A

Current - Collector Cutoff (Max):: 100µA (ICBO)

DC Current Gain (hFE) (Min) @ Ic, Vce:: 100 @ 1A, 2V

Power - Max:: 2 W

Frequency - Transition:: 100MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220ML

2SA1469R FAQ

1.How can I place an order for 2SA1469R through Aetrix?

Please submit a Request for Quotation (RFQ) for 2SA1469R 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 2SA1469R reliable?

The price and inventory of 2SA1469R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2SA1469R is usually 5 days.

3.What payment methods are accepted for 2SA1469R?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2SA1469R transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2SA1469R?

2SA1469R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2SA1469R 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 2SA1469R?

For technical support, including 2SA1469R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2SA1469R requirements.

6.How does Aetrix verify that 2SA1469R is sourced from the original manufacturer or authorized distributors?

All 2SA1469R 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 2SA1469R meets industry standards.

7.What is the process for return or replacement of 2SA1469R?

All 2SA1469R units undergo pre-shipment inspection (PSI). If there is an issue with 2SA1469R, 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 2SA1469R part is unused and in its original packaging.

Return procedure for 2SA1469R:

1.Submit a request within 90 days.

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

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