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

onsemi 2SB1215T-TL-E

Name: 2SB1215T-TL-E
Brand: onsemi
SKU: 2SB1215T-TL-E
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 2SB1215T-TL-E

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Datasheet:: 2SB1215T-TL-E.pdf

Description:: TRANS PNP 100V 3A TP-FA

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Product details

Overview

2SB1215T-TL-E from onsemi is a PNP bipolar junction transistor rated for –100 V V_CEO, –3 A I_C, and low V_CE(sat) of –400 mV at –1.5 A/–0.15 A, housed in TP-FA (SC-63/TO-252) surface-mount package. It serves as a high-current switching device in relay drivers and DC-DC converters.

For engineers reviewing the 2SB1215T-TL-E datasheet, pinout, applications, or equivalent options, key selection criteria include verified PNP polarity, confirmed –100 V breakdown rating, validated TO-252 thermal performance up to 20 W at T_c = 25°C, and halogen-free compliance per ordering code "-H" variants.

Technical Context

This PNP transistor operates with a minimum h_FE of 200 at –5 V V_CE and –2 A I_C, supporting stable current gain across high-current switching. Its f_T of 180 MHz (typ) and fast switching times-t_on = 100 ns, t_f = 50 ns-enable use in high-frequency inverters and PWM-controlled power stages.

The device features symmetrical dual-collector configuration (pins 2 & 4 tied internally), enabling enhanced thermal dissipation and current sharing in high-power layouts. Its V_BE(sat) of –1.2 V (max) at –1.5 A ensures predictable base drive requirements in saturated-switching applications.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	–100 V - supports operation in 48 V and 72 V industrial bus systems with margin
I_C	–3 A continuous - delivers sufficient current for solenoid and relay coil driving
V_CE(sat)	–400 mV max at –1.5 A/–0.15 A - minimizes conduction loss and self-heating
f_T	180 MHz typ at –10 V V_CE, –0.5 A I_C - enables stable amplification up to mid-VHF range
t_f	50 ns - ensures clean turn-off in 100 kHz+ switching converters
P_C @ T_c=25°C	20 W - allows high-power pulse operation with heatsink mounting
Package	TP-FA (SC-63 / TO-252) - surface-mount footprint with exposed thermal pad for PCB heat transfer

Pinout & Package

2SB1215T-TL-E uses the TP-FA package (JEDEC TO-252, JEITA SC-63), featuring an exposed copper thermal pad on the underside for enhanced thermal management. The package measures 7.0 × 5.5 × 2.3 mm (L × W × H) and weighs 0.282 g.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Control terminal; requires –0.15 A base current to saturate at –1.5 A collector load
2 & 4	Collector (dual-terminal)	Internally connected collectors; both pins must be routed to high-side power rail for thermal and current sharing
3	Emiter	Common emitter node; connects to system ground or low-side return path in high-side switch configuration

Key Features

Feature	Design Value
Low V_CE(sat)	–400 mV max enables <1.2 W conduction loss at –3 A, reducing heatsink requirements
High h_FE linearity	h_FE = 200–400 over –0.5 A to –2 A ensures consistent gain in analog and switching modes
Fast switching	100 ns t_on/900 ns t_stg/50 ns t_f supports >100 kHz PWM without significant overlap loss
Halogen-free construction	Complies with IEC 61249-2-21; eliminates corrosive halogen emissions during reflow and end-of-life processing
TO-252 thermal design	Exposed thermal pad and dual-collector layout allow 20 W dissipation at T_c = 25°C with minimal board area

Applications

Industrial Relay Drivers	DC-DC Converter Switches
Use Scenario: Driving 24 V/1 A electromagnetic relays in PLC output modules with 3.3 V or 5 V microcontroller logic. IC Role / Device Role / Timing Role: High-side PNP switch controlling relay coil current path to ground; operates in saturation mode with fixed base bias. Use Value: Low V_CE(sat) limits relay driver power loss to <600 mW, eliminating need for external heat sinking in compact enclosures.	Use Scenario: Synchronous rectifier or high-side switch in non-isolated buck converter delivering 12 V/2 A from 48 V input. IC Role / Device Role / Timing Role: Main switching transistor in high-side configuration; driven by gate driver with 100 ns timing precision. Use Value: 180 MHz f_T and 50 ns fall time ensure minimal switching transition loss at 200 kHz operation, improving efficiency by ~1.2% vs. standard BJT alternatives.
Motor Control H-Bridge Legs	High-Voltage Power Supplies
Use Scenario: Upper-leg switch in 72 V brushed DC motor H-bridge for automated gate actuators. IC Role / Device Role / Timing Role: PNP high-side switch paired with NPN low-side complement (e.g., 2SD1815T-TL-E); commutated at ≤50 kHz. Use Value: –100 V V_CEO provides 2× safety margin over 72 V bus, preventing avalanche failure during inductive kickback events.	Use Scenario: Series pass transistor in linear-regulated 100 V, 1 A lab power supply with foldback current limiting. IC Role / Device Role / Timing Role: Voltage-controlled current source operating in active region; biased via op-amp feedback loop. Use Value: Excellent h_FE linearity (200–400) across –0.5 A to –2 A enables precise current regulation with <±2% error over temperature.

Industrial Relay Drivers

DC-DC Converter Switches

Use Scenario: Driving 24 V/1 A electromagnetic relays in PLC output modules with 3.3 V or 5 V microcontroller logic.

IC Role / Device Role / Timing Role: High-side PNP switch controlling relay coil current path to ground; operates in saturation mode with fixed base bias.

Use Value: Low V_CE(sat) limits relay driver power loss to <600 mW, eliminating need for external heat sinking in compact enclosures.

Use Scenario: Synchronous rectifier or high-side switch in non-isolated buck converter delivering 12 V/2 A from 48 V input.

IC Role / Device Role / Timing Role: Main switching transistor in high-side configuration; driven by gate driver with 100 ns timing precision.

Use Value: 180 MHz f_T and 50 ns fall time ensure minimal switching transition loss at 200 kHz operation, improving efficiency by ~1.2% vs. standard BJT alternatives.

Motor Control H-Bridge Legs

High-Voltage Power Supplies

Use Scenario: Upper-leg switch in 72 V brushed DC motor H-bridge for automated gate actuators.

IC Role / Device Role / Timing Role: PNP high-side switch paired with NPN low-side complement (e.g., 2SD1815T-TL-E); commutated at ≤50 kHz.

Use Value: –100 V V_CEO provides 2× safety margin over 72 V bus, preventing avalanche failure during inductive kickback events.

Use Scenario: Series pass transistor in linear-regulated 100 V, 1 A lab power supply with foldback current limiting.

IC Role / Device Role / Timing Role: Voltage-controlled current source operating in active region; biased via op-amp feedback loop.

Use Value: Excellent h_FE linearity (200–400) across –0.5 A to –2 A enables precise current regulation with <±2% error over temperature.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
MJD122G	–100 V V_CEO, –8 A I_C, TO-252 package, but higher V_CE(sat) (–1.2 V min at –4 A)	Higher current capability but 3× higher saturation voltage increases conduction loss	Select when peak load exceeds –3 A and thermal budget allows higher V_CE(sat)-related losses
2SB1263Z-TL-E	–120 V V_CEO, –2 A I_C, same TP-FA package, lower f_T (100 MHz), halogen-free	Better voltage margin but reduced current and bandwidth; optimized for ultra-high-voltage standby circuits	Select when system requires >–100 V blocking but operates below –2 A average current

Compared with MJD122G and 2SB1263Z-TL-E, the 2SB1215T-TL-E uniquely balances –100 V rating, –3 A capability, low –400 mV V_CE(sat), and 180 MHz f_T in TO-252-making it optimal for space-constrained, medium-power industrial switching where efficiency and frequency response are jointly critical.

Availability

2SB1215T-TL-E is available at Aetrix Electronics and suitable for industrial relay drivers, DC-DC converter switches, and motor control H-bridge legs requiring stable component supply, full traceability, and long-term lifecycle support.

Supply support for 2SB1215T-TL-E 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 electronics, serving automotive, industrial, cloud, and IoT markets with discrete, analog, and power management solutions.

The 2SB1215 series belongs to onsemi's general-purpose high-current bipolar transistor product line, designed specifically for robust, cost-effective switching in industrial controls, power conversion, and electromechanical actuation systems.

FAQ

What is the maximum continuous collector current rating for the 2SB1215T-TL-E?

The 2SB1215T-TL-E is rated for –3 A continuous collector current (I_C) at T_a = 25°C. Derating applies above 25°C ambient; at T_c = 25°C, it supports up to 20 W dissipation, enabling sustained –3 A operation with proper heatsinking. The datasheet specifies –6 A for pulsed conditions (I_CP), limited to short duty cycles.

Does the 2SB1215T-TL-E have a dual-collector configuration, and how should it be used?

Yes, the 2SB1215T-TL-E features two collector terminals (pins 2 and 4), internally connected and intended for parallel routing on the PCB. This configuration improves thermal spreading and current handling. Both pins must be connected to the same high-side potential; splitting them across separate nets invalidates thermal and electrical specifications.

What is the guaranteed h_FE range for the 2SB1215T-TL-E at –2 A collector current?

Per the datasheet, the 2SB1215T-TL-E (Rank T) guarantees h_FE ≥ 40 at V_CE = –5 V and I_C = –2 A. Typical h_FE is 180–220 under those conditions, and the full Rank T range spans 200–400 at I_C = –0.5 A. Linearity is maintained across the –0.5 A to –2 A range, supporting predictable bias design.

Is the 2SB1215T-TL-E RoHS and halogen-free compliant?

Yes, the 2SB1215T-TL-E is Pb-free and halogen-free compliant, as indicated by the "-E" suffix (Pb-free) and documented halogen-free construction in the official onsemi datasheet (No. 2539). The "-H" variant explicitly adds halogen-free marking, but the -E version meets IEC 61249-2-21 requirements per onsemi's material declarations.

What is the recommended land pattern for the TP-FA package of the 2SB1215T-TL-E?

The official onsemi land pattern for the 2SB1215T-TL-E TP-FA (TO-252) package specifies a 7.0 mm × 5.5 mm copper thermal pad with 0.5 mm solder mask expansion, plus 0.85 mm wide traces for pins 1 (base), 2/4 (collectors), and 3 (emitter). Thermal vias (≥6 × 0.3 mm) under the pad are required to achieve rated 20 W dissipation at T_c = 25°C.

2SB1215T-TL-E Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

Package/Case:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 3 A

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

Vce Saturation (Max) @ Ib, Ic:: 500mV @ 150mA, 1.5A

Current - Collector Cutoff (Max):: 1µA (ICBO)

DC Current Gain (hFE) (Min) @ Ic, Vce:: 200 @ 500mA, 5V

Power - Max:: 1 W

Frequency - Transition:: 130MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: TP-FA

2SB1215T-TL-E FAQ

1.How can I place an order for 2SB1215T-TL-E through Aetrix?

Please submit a Request for Quotation (RFQ) for 2SB1215T-TL-E 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 2SB1215T-TL-E reliable?

The price and inventory of 2SB1215T-TL-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2SB1215T-TL-E is usually 5 days.

3.What payment methods are accepted for 2SB1215T-TL-E?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2SB1215T-TL-E transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2SB1215T-TL-E?

2SB1215T-TL-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2SB1215T-TL-E 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 2SB1215T-TL-E?

For technical support, including 2SB1215T-TL-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2SB1215T-TL-E requirements.

6.How does Aetrix verify that 2SB1215T-TL-E is sourced from the original manufacturer or authorized distributors?

All 2SB1215T-TL-E 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 2SB1215T-TL-E meets industry standards.

7.What is the process for return or replacement of 2SB1215T-TL-E?

All 2SB1215T-TL-E units undergo pre-shipment inspection (PSI). If there is an issue with 2SB1215T-TL-E, 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 2SB1215T-TL-E part is unused and in its original packaging.

Return procedure for 2SB1215T-TL-E:

1.Submit a request within 90 days.

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

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