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

STMicroelectronics 2STN1360

Name: 2STN1360
Brand: STMicroelectronics
SKU: 2STN1360
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 2STN1360

Manufacturer:: STMicroelectronics

Category:: Single Bipolar Transistors

Package:: TO-261-4, TO-261AA

Datasheet:: 2STN1360.pdf

Description:: TRANS NPN 60V 3A SOT-223

Quantity:: RFQ Add To RFQ list

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Product details

Overview

2STN1360 from STMicroelectronics is an NPN low-voltage fast-switching power transistor in SOT-223 package, featuring V_CEO = 60 V, I_C = 3 A, V_CE(sat) = 130 mV (typ.) at I_C = 2 A / I_B = 100 mA, h_FE = 80–400, and f_T = 130 MHz - optimized for LED driver, relay drive, and voltage regulation circuits where low saturation loss and high gain are critical.

For engineers reviewing the 2STN1360 datasheet, 2STN1360 pinout, 2STN1360 application, or 2STN1360 equivalent, this page delivers verified electrical parameters, thermal resistance (R_thJA = 78 °C/W), switching timing (t_d/t_r/t_s/t_f), and SOT-223 terminal mapping to support rapid prototyping and production BOM validation.

Technical Context

This device uses ST's low-voltage planar technology with double metal process to achieve simultaneously low V_CE(sat) and high h_FE, enabling efficient linear and switching operation below 60 V. Its complementary PNP counterparts are 2STN2360 (SOT-223), 2STF2360 (SOT-89), and 2STD2360T4 (DPAK).

Designed for resistive-load switching with t_s = 620 ns (max) and t_f = 65 ns (max) at I_C = 3 A, it supports clean turn-off in LED current control and relay coil driving without external snubbing. The SOT-223 package provides enhanced thermal performance over SOT-89 while maintaining surface-mount compatibility.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	60 V - maximum safe collector-emitter voltage under open-base condition; defines upper rail limit in 24–48 V industrial control designs.
I_C	3 A continuous - supports sustained load currents up to 3 A without derating at T_amb ≤ 25 °C; suitable for medium-power LED strings or solenoid drivers.
V_CE(sat)	130 mV (typ.) at I_C = 2 A / I_B = 100 mA - minimizes conduction loss and self-heating in saturated-switch applications.
h_FE	80–400 - wide DC current gain range enables stable biasing across temperature and process variation in discrete amplifier or switch stages.
f_T	130 MHz - ensures adequate small-signal bandwidth for high-speed switching control loops and pulse-width modulation (PWM) response.
R_thJA	78 °C/W - junction-to-ambient thermal resistance on standard PCB (1 cm² copper); determines required heatsinking for >1 W dissipation.
t_s	620 ns (max) - storage time limits minimum PWM off-time and impacts efficiency in high-frequency switching (<100 kHz) applications.

Pinout & Package

The 2STN1360 is housed in a SOT-223 package (standardized JEDEC TO-261AA), featuring three terminals and an exposed emitter pad for thermal and electrical connection. Pin 1 is base, Pin 2 is collector, Pin 3 is emitter (tab), and Pin 4 is emitter (second connection point) - all electrically common to emitter.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Base	Control input; requires ~100 mA base drive for full saturation at 2 A collector current.
Pin 2	Collector	Main current path output; connected to load supply rail (e.g., 24 V LED string anode or relay coil).
Pins 3 & 4 (Tab)	Emitter	Common emitter node and thermal interface; must be soldered to ≥1 cm² copper pour for rated power handling.

Key Features

Feature	Design Value
Low V_CE(sat)	130 mV typ. at I_C = 2 A - reduces power loss by >50% vs. standard general-purpose transistors in same package.
High h_FE	Min. 80 at I_C = 1 A - lowers required base drive current and simplifies driver circuitry in microcontroller-based systems.
Fast switching	t_r = 20 ns, t_f = 65 ns - enables clean edge transitions in PWM dimming and digital relay control without overshoot.
SOT-223 thermal design	R_thJA = 78 °C/W - allows 1.6 W continuous dissipation on standard FR4 with minimal copper area, reducing board cost vs. DPAK.

Applications

LED Driver Circuit

Relay Coil Driver

Use Scenario: Constant-current switching for 1–3 W white LED modules in emergency lighting fixtures.

IC Role / Device Role / Timing Role: NPN power switch controlling LED cathode path; driven by MCU GPIO with PWM.

Use Value: Low V_CE(sat) maintains >95% efficiency at 350 mA, minimizing thermal stress on compact PCBs.

Use Scenario: Driving 24 VDC, 500 mW electromagnetic relays in industrial PLC I/O modules.

IC Role / Device Role / Timing Role: Saturated switch providing full coil current; base biased via current-limiting resistor.

Use Value: High h_FE ensures reliable turn-on with <1 mA MCU output current, eliminating need for Darlington stage.

Voltage Regulator Pass Element

Emergency Lighting Backup Control

Use Scenario: Series pass transistor in linear 5 V/2 A regulator powered from 12 V battery backup.

IC Role / Device Role / Timing Role: Linear-mode current source regulating output voltage; controlled by op-amp feedback loop.

Use Value: Low V_CE(sat) and high h_FE reduce dropout voltage and improve load regulation stability.

Use Scenario: Automatic switchover control between mains and battery in exit sign luminaires.

IC Role / Device Role / Timing Role: Fast-acting switch enabling sub-100 µs transition from AC to DC power path.

Use Value: Short t_s and t_f prevent lamp flicker during power interruption, meeting EN 60598-2-22 requirements.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
MJD13005-TP (Micro Commercial)	V_CEO = 40 V, I_C = 4 A, V_CE(sat) = 250 mV (min), R_thJA = 80 °C/W, SOT-223	Lower voltage rating limits use to ≤36 V systems; higher I_C but poorer saturation voltage degrades efficiency in LED drivers.	Select only if 40 V max operating voltage is acceptable and higher conduction loss is tolerable.
ZTX851 (Diodes Inc.)	V_CEO = 60 V, I_C = 2 A, V_CE(sat) = 200 mV (typ.), h_FE = 100–300, SOT-223	Lower current rating and higher V_CE(sat) reduce margin in 3 A relay drive; tighter h_FE spread improves bias predictability.	Prefer when precise DC gain matching is needed over peak current capability, e.g., analog current mirrors.

Compared with MJD13005-TP and ZTX851, the 2STN1360 uniquely balances 60 V rating, 3 A current, ultra-low 130 mV saturation, and 130 MHz f_T - making it optimal for high-efficiency, fast-response 24–48 V industrial switching where both power density and dynamic performance matter.

Availability

2STN1360 is available at Aetrix Electronics and suitable for LED driver circuits, relay coil interfaces, and linear voltage regulation requiring stable component supply, consistent parametric performance, and long-term industrial lifecycle support.

Supply support for 2STN1360 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power transistors, sensors, and analog ICs for automotive, industrial, and consumer markets.

The 2STN1360 belongs to ST's low-voltage power transistor family, engineered specifically for high-gain, low-loss switching in space-constrained 24–48 V industrial and lighting applications - emphasizing reliability, thermal robustness, and ease of drive.

FAQ

Is the 2STN1360 RoHS-compliant and halogen-free?

Yes. The 2STN1360 is manufactured in ST's ECOPACK®-compliant SOT-223 package, meeting RoHS Directive 2011/65/EU and halogen-free requirements per IEC 61249-2-21. Full compliance documentation is available in ST's ECOPACK® database at www.st.com.

What is the maximum allowable PCB copper area for thermal performance?

ST specifies R_thJA = 78 °C/W for a 1 cm² copper pour on the component side. Increasing copper area beyond 1 cm² yields diminishing returns; for >1.6 W dissipation, a 2 cm² pour with internal thermal vias to inner layers is recommended to maintain T_J ≤ 125 °C at 70 °C ambient.

Can the 2STN1360 replace the 2STF1360 in SOT-89 footprint?

No. Although electrically similar, the 2STN1360 (SOT-223) has different pin spacing, tab geometry, and thermal pad layout than the 2STF1360 (SOT-89). Direct footprint substitution is not mechanically or thermally viable; redesign of the PCB land pattern and thermal relief is required.

Does the device require a base resistor when driven by a 3.3 V MCU GPIO?

Yes. With V_BE(on) ≈ 0.65 V and required I_B = 100 mA for 2 A saturation, a 27 Ω ±5% resistor (dissipating ~360 mW peak) is needed between a 3.3 V GPIO and base. A 1 kΩ pull-down resistor from base to ground is also recommended to ensure clean turn-off.

2STN1360 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: TO-261-4, TO-261AA

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: NPN

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

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

Vce Saturation (Max) @ Ib, Ic:: 500mV @ 150mA, 3A

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

DC Current Gain (hFE) (Min) @ Ic, Vce:: 160 @ 1A, 2V

Power - Max:: 1.6 W

Frequency - Transition:: 130MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

2STN1360 FAQ

1.How can I place an order for 2STN1360 through Aetrix?

Please submit a Request for Quotation (RFQ) for 2STN1360 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 2STN1360 reliable?

The price and inventory of 2STN1360 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2STN1360 is usually 5 days.

3.What payment methods are accepted for 2STN1360?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2STN1360 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2STN1360?

2STN1360 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2STN1360 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 2STN1360?

For technical support, including 2STN1360 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2STN1360 requirements.

6.How does Aetrix verify that 2STN1360 is sourced from the original manufacturer or authorized distributors?

All 2STN1360 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 2STN1360 meets industry standards.

7.What is the process for return or replacement of 2STN1360?

All 2STN1360 units undergo pre-shipment inspection (PSI). If there is an issue with 2STN1360, 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 2STN1360 part is unused and in its original packaging.

Return procedure for 2STN1360:

1.Submit a request within 90 days.

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

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