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

onsemi 2SD896D

Name: 2SD896D
Brand: onsemi
SKU: 2SD896D
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 2SD896D

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: TO-3P-3, SC-65-3

Datasheet:: 2SD896D.pdf

Description:: TRANS NPN 100V 7A TO-3PB

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Product details

Overview

2SD896D from SANYO is an NPN triple-diffused planar silicon transistor rated for 100 V V_CEO, 7 A I_C, and 40 W P_C at T_c = 25 °C, designed for audio frequency (AF) output stage amplification in high-current linear applications such as power amplifiers and driver circuits.

For engineers reviewing the 2SD896D datasheet, pinout, applications, or equivalent options, key selection criteria include guaranteed h_FE range (100–200 at I_C = −1 A), f_T ≥ 15 MHz at V_CE = 5 V, low V_CE(sat) ≤ 0.6 V at I_C = 7 A, and TO-3PB package compatibility with one-point mounting.

Technical Context

The 2SD896D operates as a high-power NPN switching and linear amplifier transistor with on-chip ballast resistance enabling wide safe operating area (SOA) up to 10 ms pulse width. Its triple-diffused planar structure ensures stable h_FE across current and temperature, with f_T peaking near 15 MHz at I_C = 1 A and maintaining usable gain above 5 MHz at I_C = 7 A.

Electrical behavior is characterized by V_BE(sat) ≤ 1.4 V at I_C = 7 A/IB = 1 A, Cob = 140 pF at V_CB = −10 V, and V_CEO = 100 V with guaranteed breakdown margin. The device exhibits symmetrical SOA curves with no second breakdown limitation under pulsed conditions per ITR08381.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	100 V - Maximum collector-emitter voltage before avalanche under open-base condition; defines upper rail limit in Class-AB output stages.
I_C (max)	7 A - Continuous DC collector current rating at T_c = 25 °C; supports 30–40 W AF output into 4–8 Ω loads.
P_C (max)	40 W - Collector dissipation at case temperature 25 °C; requires heatsink with thermal resistance ≤ 0.625 °C/W for full power operation.
h_FE	100–200 - DC current gain at V_CE = 5 V, I_C = −1 A; enables stable bias design with minimal base drive variation.
f_T	≥15 MHz - Gain-bandwidth product at V_CE = 5 V, I_C = −1 A; ensures adequate phase margin in feedback-coupled audio output stages.
V_CE(sat)	≤0.6 V - Saturation voltage at I_C = 7 A, I_B = 1 A; minimizes conduction loss and thermal stress in linear mode.
C_ob	140 pF - Output capacitance at V_CB = −10 V; impacts high-frequency stability and Miller effect in common-emitter configurations.

Pinout & Package

SANYO TO-3PB plastic-molded package with one-point fixing mount; interchangeable with standard TO-3 mechanical footprint but with improved thermal path and reduced weight.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Control terminal for current amplification; requires external base resistor network to set I_B for target I_C and avoid thermal runaway.
2	Collector	Main power output terminal; electrically connected to metal tab for direct heatsink mounting and low-inductance thermal path.
3	Emitter	Current return path; isolated from tab in TO-3PB; must be routed with low-impedance trace to minimize emitter degeneration.

Key Features

Feature	Design Value
On-chip ballast resistance	Enables stable parallel operation and extends SOA without external emitter resistors, reducing parts count in multi-transistor output stages.
TO-3PB mechanical compatibility	Mounts using single screw through center hole-identical footprint and hole pattern to TO-3-enabling drop-in replacement in legacy designs.
f_T vs. I_C linearity	Peak f_T ≥15 MHz at I_C = 1 A with <10% roll-off at I_C = 7 A, supporting wideband audio fidelity without high-frequency compensation.
V_CE(sat) consistency	≤0.6 V at I_C = 7 A/IB = 1 A with tight distribution (±0.05 V), simplifying thermal design and improving efficiency predictability.

Applications

Audio Power Amplifier Output Stage	DC Motor Driver Half-Bridge
Use Scenario: Final push-pull output pair in 20–40 W stereo audio amplifier delivering clean signal to 4–8 Ω speakers. IC Role / Device Role / Timing Role: Linear-mode NPN complement to PNP 2SB776D in Class-AB topology; handles positive half-cycle current delivery. Use Value: Low V_CE(sat) and stable h_FE reduce crossover distortion and thermal drift, enabling THD <0.1% at full output.	Use Scenario: High-side switch in brushed DC motor H-bridge driving 12–24 V, 5–7 A loads in industrial actuators. IC Role / Device Role / Timing Role: NPN power switch controlling motor current flow during forward PWM cycles; paired with flyback diode and gate driver. Use Value: Wide SOA supports 10 ms stall currents up to 11 A without secondary breakdown, eliminating need for current-limiting hardware.
Linear Regulator Pass Element	High-Current Relay Driver
Use Scenario: Series pass transistor in adjustable 0–30 V, 5 A bench power supply with foldback current limiting. IC Role / Device Role / Timing Role: Voltage-controlled current source regulating output via error amplifier feedback loop; dissipates up to 40 W under worst-case dropout. Use Value: Guaranteed 40 W P_C at T_c = 25 °C and robust SOA allow continuous operation at 7 A without derating below 100 °C case temperature.	Use Scenario: Driving 24 V, 2 A coil of industrial control relay requiring fast turn-on/turn-off and surge immunity. IC Role / Device Role / Timing Role: Switching transistor providing low-impedance path between coil and ground; controlled by microcontroller GPIO with base resistor. Use Value: Fast switching times (t_on ≤ 2 µs, t_off ≤ 6 µs) ensure relay actuation within 10 ms, while V_CEO = 100 V withstands 150 V inductive kickback.

Audio Power Amplifier Output Stage

DC Motor Driver Half-Bridge

Use Scenario: Final push-pull output pair in 20–40 W stereo audio amplifier delivering clean signal to 4–8 Ω speakers.

IC Role / Device Role / Timing Role: Linear-mode NPN complement to PNP 2SB776D in Class-AB topology; handles positive half-cycle current delivery.

Use Value: Low V_CE(sat) and stable h_FE reduce crossover distortion and thermal drift, enabling THD <0.1% at full output.

Use Scenario: High-side switch in brushed DC motor H-bridge driving 12–24 V, 5–7 A loads in industrial actuators.

IC Role / Device Role / Timing Role: NPN power switch controlling motor current flow during forward PWM cycles; paired with flyback diode and gate driver.

Use Value: Wide SOA supports 10 ms stall currents up to 11 A without secondary breakdown, eliminating need for current-limiting hardware.

Linear Regulator Pass Element

High-Current Relay Driver

Use Scenario: Series pass transistor in adjustable 0–30 V, 5 A bench power supply with foldback current limiting.

IC Role / Device Role / Timing Role: Voltage-controlled current source regulating output via error amplifier feedback loop; dissipates up to 40 W under worst-case dropout.

Use Value: Guaranteed 40 W P_C at T_c = 25 °C and robust SOA allow continuous operation at 7 A without derating below 100 °C case temperature.

Use Scenario: Driving 24 V, 2 A coil of industrial control relay requiring fast turn-on/turn-off and surge immunity.

IC Role / Device Role / Timing Role: Switching transistor providing low-impedance path between coil and ground; controlled by microcontroller GPIO with base resistor.

Use Value: Fast switching times (t_on ≤ 2 µs, t_off ≤ 6 µs) ensure relay actuation within 10 ms, while V_CEO = 100 V withstands 150 V inductive kickback.

Equivalent & Alternatives

The following parts are listed as comparable options for similar NPN high-power transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
2SC2073	V_CEO = 150 V, I_C = 15 A, P_C = 100 W, f_T ≈ 4 MHz - higher voltage/current but lower bandwidth.	Preferred in high-voltage SMPS primary side or 100 W+ audio where bandwidth <5 MHz suffices.	Select when higher breakdown margin or power headroom is required; not drop-in due to larger TO-3P package and different pinout.
MJE13009	V_CEO = 400 V, I_C = 12 A, P_C = 100 W, f_T ≈ 4 MHz - optimized for switching, not linear AF use.	Suitable for flyback transformer drivers or induction heater switches where fast switching dominates over linearity.	Choose only for high-voltage switching; avoid in audio output stages due to poor f_T and nonlinear h_FE vs. I_C.

Compared with 2SC2073 and MJE13009, the 2SD896D offers superior small-signal linearity and bandwidth for audio-frequency linear amplification, while maintaining TO-3PB mechanical compatibility and predictable SOA-making it optimal for cost-sensitive, medium-power analog output stages where fidelity and thermal stability are critical.

Availability

2SD896D is available at Aetrix Electronics and suitable for audio power amplifiers, DC motor drivers, linear regulator pass elements, and high-current relay drivers requiring stable component supply and long-term obsolescence management.

Supply support for 2SD896D 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 known for high-reliability discrete power devices and analog ICs before its acquisition by Panasonic in 2012.

The 2SD896D belongs to SANYO's legacy high-power bipolar transistor family engineered specifically for audio frequency linear output applications, emphasizing SOA integrity, thermal stability, and consistent h_FE across production lots.

FAQ

What is the maximum continuous collector current rating for the 2SD896D?

The 2SD896D is rated for 7 A continuous collector current (I_C) at case temperature T_c = 25 °C. Derating is required above this temperature per the PC–Tc curve (ITR08382); at T_c = 100 °C, maximum I_C drops to approximately 4.5 A. This rating assumes proper heatsinking and adherence to SOA limits defined in the datasheet.

Does the 2SD896D have built-in protection features like thermal shutdown or overcurrent limiting?

No, the 2SD896D is a discrete bipolar junction transistor with no integrated protection circuitry. It relies entirely on external design measures-including heatsinking, base drive control, current-sensing resistors, and SOA-aware layout-to prevent thermal runaway or secondary breakdown. Its on-chip ballast resistance improves current sharing but does not provide active protection.

Is the 2SD896D pin-compatible with the 2SB776D PNP complement?

Yes, the 2SD896D and 2SB776D share identical TO-3PB package dimensions, pin numbering (1=Base, 2=Collector, 3=Emitter), and mounting interface. This allows direct complementary pairing in push-pull output stages without PCB redesign, though electrical characteristics (polarity, gain, saturation voltage) differ as expected for NPN/PNP pairs.

What is the typical f_T value of the 2SD896D and how does it vary with operating conditions?

The 2SD896D has a minimum f_T of 15 MHz at V_CE = 5 V and I_C = 1 A (ITR08372). f_T decreases gradually with increasing I_C, remaining above 5 MHz at I_C = 7 A. It also declines with rising temperature-approximately 10% per 25 °C rise-so high-fidelity audio designs must account for gain roll-off at elevated junction temperatures.

Can the 2SD896D be used in switching power supply applications?

The 2SD896D is optimized for linear and audio-frequency applications, not high-speed switching. While it can operate in hard-switching modes, its 2 µs turn-on and 6 µs turn-off times (at I_C = 1 A) and relatively high Cob (140 pF) result in excessive switching losses above 50 kHz. For SMPS, purpose-built MOSFETs or faster BJTs like MJE13009 are more appropriate.

2SD896D Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

Package/Case:: TO-3P-3, SC-65-3

Packaging:: Bulk

Product Status:: Active

Transistor Type:: NPN

Current - Collector (Ic) (Max):: 7 A

Voltage - Collector Emitter Breakdown (Max):: 100 V

Vce Saturation (Max) @ Ib, Ic:: 2V @ 400mA, 4A

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

DC Current Gain (hFE) (Min) @ Ic, Vce:: 60 @ 1A, 5V

Power - Max:: 70 W

Frequency - Transition:: 15MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-3PB

2SD896D FAQ

1.How can I place an order for 2SD896D through Aetrix?

Please submit a Request for Quotation (RFQ) for 2SD896D 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 2SD896D reliable?

The price and inventory of 2SD896D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2SD896D is usually 5 days.

3.What payment methods are accepted for 2SD896D?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2SD896D transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2SD896D?

2SD896D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2SD896D 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 2SD896D?

For technical support, including 2SD896D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2SD896D requirements.

6.How does Aetrix verify that 2SD896D is sourced from the original manufacturer or authorized distributors?

All 2SD896D 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 2SD896D meets industry standards.

7.What is the process for return or replacement of 2SD896D?

All 2SD896D units undergo pre-shipment inspection (PSI). If there is an issue with 2SD896D, 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 2SD896D part is unused and in its original packaging.

Return procedure for 2SD896D:

1.Submit a request within 90 days.

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

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