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

onsemi 2SA1319S-AA

Name: 2SA1319S-AA
Brand: onsemi
SKU: 2SA1319S-AA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 2SA1319S-AA

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: TO-226-3, TO-92-3 (TO-226AA)

Datasheet:: 2SA1319S-AA.pdf

Description:: TRANS PNP 160V 0.7A 3-NP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

2SA1319S-AA from SANYO is a PNP epitaxial planar silicon transistor designed for high-voltage switching applications, with V_CEO = −180 V, I_C = −700 mA, h_FE = 100–400 at I_C = −100 mA, f_T = 120 MHz, and P_C = 700 mW. It operates in DC and pulse modes and is used in horizontal deflection output stages of CRT displays.

For engineers reviewing the 2SA1319S-AA datasheet, pinout, applications, or equivalent options, key selection criteria include breakdown voltage margin, h_FE linearity at high current, ASO robustness under transient stress, and compatibility with MBIT process-based drive circuits.

Technical Context

This PNP transistor employs SANYO's MBIT (Mesa-Base Integrated Transistor) process to achieve wide Safe Operating Area (ASO) and high secondary breakdown resistance. Its V_CEO = −180 V and V_CBO = −160 V support operation in high-voltage flyback and horizontal deflection circuits where collector swing exceeds −100 V.

Electrical behavior is characterized by excellent h_FE linearity across I_C = −10 mA to −500 mA, low V_CE(sat) ≤ −0.6 V at I_C/I_B = 10, and f_T = 120 MHz at V_CE = −10 V, enabling stable gain in medium-frequency switching amplifiers.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−180 V: Withstands collector-emitter voltage up to −180 V in open-base condition, suitable for CRT horizontal output stage flyback recovery.
I_C (max)	−700 mA: Continuous collector current rating enables driving moderate-power deflection yoke loads without thermal runaway.
h_FE	100–400 @ I_C = −100 mA: High and linear DC current gain ensures predictable base drive requirements in Class-B/B push-pull stages.
f_T	120 MHz @ V_CE = −10 V, I_C = −50 mA: Supports stable small-signal amplification and fast switching transitions in video timing-critical circuits.
P_C	700 mW @ T_A = 25°C: Power dissipation capability allows operation with minimal heatsinking in compact CRT monitor designs.
V_CE(sat)	≤ −0.6 V @ I_C = −300 mA, I_B = −30 mA: Low saturation voltage minimizes conduction loss and improves efficiency in switching applications.
C_ob	11 pF @ V_CB = −10 V: Output capacitance optimized for reduced switching delay and minimized ringing in high-dV/dt horizontal deflection waveforms.

Pinout & Package

2SA1319S-AA is housed in a TO-92MOD (SOT-34) plastic package with 3 leads, standardized for through-hole mounting and compatible with automated insertion equipment. The package provides adequate thermal dissipation for 700 mW operation at ambient temperatures up to +55°C.

Pin/Terminal	Circuit Role	Design Meaning
1 (Emitter)	Current source terminal for PNP device	Connected to supply rail (e.g., B+); polarity reversal required vs NPN; defines reference for base control and current flow direction.
2 (Collector)	Current sink terminal	Drives inductive load (e.g., deflection yoke); must withstand −180 V flyback spikes; requires snubber network design.
3 (Base)	Control input for minority-carrier injection	Receives negative-going drive signal; base resistor sizing critical to ensure I_B ≥ I_C/h_FE(min) across temperature and process variation.

Key Features

Feature	Design Value
High breakdown voltage	V_CEO = −180 V and V_CBO = −160 V enable reliable operation in CRT horizontal output circuits with large voltage transients.
Excellent h_FE linearity	h_FE remains stable from −10 mA to −500 mA, simplifying base drive design and reducing distortion in analog switching stages.
Wide ASO and breakdown resistance	Robust secondary breakdown immunity supports safe operation under pulsed overload conditions common in deflection systems.
MBIT process technology	Mesa-base integration improves thermal stability and reduces parasitic capacitance versus conventional planar processes.

Applications

Horizontal Deflection Output	High-Voltage Switching Regulator
Use Scenario: Driving CRT horizontal deflection yoke in analog monitors and TVs, handling repetitive −180 V flyback pulses at 15.734 kHz. IC Role / Device Role / Timing Role: Main PNP switching transistor in series-pass configuration, turning on/off yoke current during scan and flyback intervals. Use Value: High V_CEO and wide ASO prevent catastrophic failure during flyback overshoot; low V_CE(sat) reduces power loss and heat generation.	Use Scenario: High-side switch in offline quasi-resonant DC-DC converters delivering 24 V/500 mA from 265 VAC input. IC Role / Device Role / Timing Role: Primary switching element controlling energy transfer into transformer primary during each switching cycle. Use Value: f_T = 120 MHz ensures clean turn-off response; h_FE linearity allows predictable gate/base drive scaling across load range.
Video Output Amplifier	Industrial Relay Driver
Use Scenario: Final-stage video amplifier in broadcast-grade signal generators, delivering ±1 Vpp into 75 Ω coaxial load. IC Role / Device Role / Timing Role: Class-A/B emitter-follower output stage providing low-output-impedance buffering and current gain. Use Value: Low C_ob = 11 pF minimizes high-frequency roll-off; V_CEO margin accommodates transient coupling from adjacent RF sections.	Use Scenario: Driving 12 V/1 A electromagnetic relays in PLC I/O modules subjected to 2 kV EFT noise bursts. IC Role / Device Role / Timing Role: High-current, high-voltage interface between microcontroller GPIO and relay coil. Use Value: Wide ASO prevents latch-up during inductive kickback; −180 V V_CEO exceeds typical relay flyback clamping levels by >2× safety margin.

Horizontal Deflection Output

High-Voltage Switching Regulator

Use Scenario: Driving CRT horizontal deflection yoke in analog monitors and TVs, handling repetitive −180 V flyback pulses at 15.734 kHz.

IC Role / Device Role / Timing Role: Main PNP switching transistor in series-pass configuration, turning on/off yoke current during scan and flyback intervals.

Use Value: High V_CEO and wide ASO prevent catastrophic failure during flyback overshoot; low V_CE(sat) reduces power loss and heat generation.

Use Scenario: High-side switch in offline quasi-resonant DC-DC converters delivering 24 V/500 mA from 265 VAC input.

IC Role / Device Role / Timing Role: Primary switching element controlling energy transfer into transformer primary during each switching cycle.

Use Value: f_T = 120 MHz ensures clean turn-off response; h_FE linearity allows predictable gate/base drive scaling across load range.

Video Output Amplifier

Industrial Relay Driver

Use Scenario: Final-stage video amplifier in broadcast-grade signal generators, delivering ±1 Vpp into 75 Ω coaxial load.

IC Role / Device Role / Timing Role: Class-A/B emitter-follower output stage providing low-output-impedance buffering and current gain.

Use Value: Low C_ob = 11 pF minimizes high-frequency roll-off; V_CEO margin accommodates transient coupling from adjacent RF sections.

Use Scenario: Driving 12 V/1 A electromagnetic relays in PLC I/O modules subjected to 2 kV EFT noise bursts.

IC Role / Device Role / Timing Role: High-current, high-voltage interface between microcontroller GPIO and relay coil.

Use Value: Wide ASO prevents latch-up during inductive kickback; −180 V V_CEO exceeds typical relay flyback clamping levels by >2× safety margin.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
2SA1265	V_CEO = −160 V (20 V lower), h_FE = 60–240, P_C = 1 W	Suitable for lower-voltage deflection or general-purpose HV switching where −160 V margin suffices	Select when higher power dissipation is needed but voltage headroom can be reduced
2SA1012	V_CEO = −120 V, f_T = 80 MHz, h_FE = 60–200	Targeted at audio output and medium-speed switching where full −180 V rating is unnecessary	Choose for cost-sensitive consumer audio or non-CRT applications with <−120 V swing

Compared with 2SA1319S-AA, the 2SA1265 trades 20 V breakdown margin for +300 mW power handling, while the 2SA1012 reduces both voltage and frequency capability-making the 2SA1319S-AA optimal for CRT deflection where V_CEO, f_T, and ASO are simultaneously critical.

Availability

2SA1319S-AA is available at Aetrix Electronics and suitable for CRT display manufacturing, industrial high-voltage power supplies, broadcast video equipment, and legacy embedded control systems requiring stable component supply over extended production lifecycles.

Supply support for 2SA1319S-AA 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 Electric Co., Ltd. was a Japanese semiconductor manufacturer specializing in analog, power, and display-related components before its acquisition by Panasonic in 2011.

The 2SA1319S-AA belongs to SANYO's high-voltage bipolar transistor product line, engineered specifically for horizontal deflection and high-reliability switching in CRT-based visual systems.

FAQ

What is the maximum collector-emitter voltage rating for the 2SA1319S-AA?

The 2SA1319S-AA has a maximum collector-emitter voltage rating (V_CEO) of −180 V at T_A = 25°C. This rating applies under open-base conditions and defines the upper limit for safe DC or pulse operation in high-voltage switching circuits such as CRT horizontal deflection stages. Exceeding this voltage-even momentarily-may cause irreversible breakdown.

Does the 2SA1319S-AA have a specified gain-bandwidth product (f_T)?

Yes, the 2SA1319S-AA has a gain-bandwidth product (f_T) of 120 MHz, measured at V_CE = −10 V and I_C = −50 mA. This parameter confirms its suitability for medium-frequency switching and amplification tasks, including horizontal deflection timing and video signal buffering where bandwidth beyond 50 MHz is required.

What package type is used for the 2SA1319S-AA?

The 2SA1319S-AA is packaged in a TO-92MOD (also designated SOT-34) plastic through-hole case with three leads arranged in emitter-collector-base order (pin 1 = emitter, pin 2 = collector, pin 3 = base). This package supports manual and automated assembly and provides thermal performance sufficient for 700 mW continuous dissipation at 25°C ambient.

Is the 2SA1319S-AA suitable for life-support or aviation-critical systems?

No, the 2SA1319S-AA is explicitly excluded from use in life-support systems, aircraft control systems, or any application where failure could cause serious physical or material damage. SANYO's documentation states that no SANYO products-including the 2SA1319S-AA-are rated for ultra-high-reliability domains; alternative qualified components must be selected for such applications.

How does the h_FE of the 2SA1319S-AA vary with collector current?

The 2SA1319S-AA exhibits excellent h_FE linearity: it maintains a range of 100–400 across I_C = −10 mA to −500 mA at V_CE = −2 V. This behavior is confirmed in the datasheet's h_FE vs. I_C curves (ITR03227), supporting consistent base drive design without gain compression in high-current switching applications like CRT yoke drivers.

2SA1319S-AA Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

Package/Case:: TO-226-3, TO-92-3 (TO-226AA)

Packaging:: Bulk

Product Status:: Active

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 700 mA

Voltage - Collector Emitter Breakdown (Max):: 160 V

Vce Saturation (Max) @ Ib, Ic:: 500mV @ 25mA, 250mA

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

DC Current Gain (hFE) (Min) @ Ic, Vce:: 140 @ 100mA, 5V

Power - Max:: 700 mW

Frequency - Transition:: 120MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: 3-NP

2SA1319S-AA FAQ

1.How can I place an order for 2SA1319S-AA through Aetrix?

Please submit a Request for Quotation (RFQ) for 2SA1319S-AA 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 2SA1319S-AA reliable?

The price and inventory of 2SA1319S-AA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2SA1319S-AA is usually 5 days.

3.What payment methods are accepted for 2SA1319S-AA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2SA1319S-AA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2SA1319S-AA?

2SA1319S-AA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2SA1319S-AA 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 2SA1319S-AA?

For technical support, including 2SA1319S-AA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2SA1319S-AA requirements.

6.How does Aetrix verify that 2SA1319S-AA is sourced from the original manufacturer or authorized distributors?

All 2SA1319S-AA 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 2SA1319S-AA meets industry standards.

7.What is the process for return or replacement of 2SA1319S-AA?

All 2SA1319S-AA units undergo pre-shipment inspection (PSI). If there is an issue with 2SA1319S-AA, 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 2SA1319S-AA part is unused and in its original packaging.

Return procedure for 2SA1319S-AA:

1.Submit a request within 90 days.

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

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