| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| PZTA42 | Siemens | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon | STFN42 vs PZTA42 |
| PZTA42TRL13 | YAGEO Corporation | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon | STFN42 vs PZTA42TRL13 |
| PZTA42 | WEITRON INTERNATIONAL CO., LTD. | Check for Price | Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 4 Pin | STFN42 vs PZTA42 |
| PZTA42T1 | Motorola Semiconductor Products | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-261AA | STFN42 vs PZTA42T1 |
| CXTA42TR | Central Semiconductor Corp | Check for Price | Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin | STFN42 vs CXTA42TR |
| PZTA42 | onsemi | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-261AA | STFN42 vs PZTA42 |
| PZTA42 | Rochester Electronics LLC | Check for Price | 500mA, 300V, NPN, Si, SMALL SIGNAL TRANSISTOR, SOT-223, 4 PIN | STFN42 vs PZTA42 |
| PZTA42 | National Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon | STFN42 vs PZTA42 |
| PZTA42H6327 | Infineon Technologies AG | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon | STFN42 vs PZTA42H6327 |
| PZTA42-TAPE-7 | NXP Semiconductors | Check for Price | Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 4 Pin | STFN42 vs PZTA42-TAPE-7 |
Part Details for STFN42 by STMicroelectronics
Results Overview of STFN42 by STMicroelectronics
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Not Available)
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Energy and Power Systems
Medical Imaging
Robotics and Drones
STFN42 Information
STFN42 by STMicroelectronics is a Power Bipolar Transistor.
Power Bipolar Transistors are under the broader part category of Transistors.
A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.
Price & Stock for STFN42
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
497-3521-2-ND
|
DigiKey | TRANS NPN 400V 1A SOT-89-3 Min Qty: 5000 Container: Tape & Reel |
0 Tape & Reel |
|
$0.1688 / $0.1997 | Buy Now |
|
|
Vyrian | Power Bipolar Transistor, 1A I(C), 400V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin | 12818 |
|
RFQ |
STFN42 Part Data Attributes
|
|
STFN42
STMicroelectronics
Buy Now
Datasheet
|
Compare Parts:
STFN42
STMicroelectronics
Power Bipolar Transistor, 1A I(C), 400V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin
|
| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Package Description | Rohs Compliant Package-3 | |
| Pin Count | 3 | |
| ECCN Code | EAR99 | |
| Case Connection | Collector | |
| Collector Current-Max (IC) | 1 A | |
| Collector-Emitter Voltage-Max | 400 V | |
| Configuration | Single | |
| DC Current Gain-Min (hFE) | 5 | |
| JESD-30 Code | R-PSSO-F3 | |
| JESD-609 Code | e3 | |
| Moisture Sensitivity Level | 1 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 150 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Polarity/Channel Type | Npn | |
| Power Dissipation-Max (Abs) | 1.4 W | |
| Surface Mount | Yes | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | Flat | |
| Terminal Position | Single | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Transistor Application | Switching | |
| Transistor Element Material | Silicon |
Alternate Parts for STFN42
This table gives cross-reference parts and alternative options found for STFN42. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of STFN42, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
STFN42 Frequently Asked Questions (FAQ)
-
STMicroelectronics provides a recommended PCB layout in the application note AN4965, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize EMI.
-
The STFN42 has a thermal pad that must be connected to a thermal ground plane on the PCB to dissipate heat. A thermal interface material (TIM) can be used to improve heat transfer. Additionally, ensure good airflow around the device and consider using a heat sink if necessary.
-
Although the datasheet specifies a maximum VBUS voltage of 5.5V, it's recommended to limit the voltage to 5V to ensure reliable operation and prevent damage to the device.
-
The STFN42 supports USB-C PD through its I2C interface. Configure the device using the STSW-STFN42 software development kit, which provides a GUI-based tool for setting up PD profiles and monitoring device status.
-
Yes, the STFN42 can be used with non-USB-C connectors, such as USB-A or USB-B, but it will only support standard USB 2.0 speeds and not USB-C PD or Alternate Modes. Additional circuitry and configuration may be required.