Datasheets
STF817A by: STMicroelectronics

1.5A, 80V, PNP, Si, POWER TRANSISTOR, ROHS COMPLIANT, SOT-89, 4 PIN

Part Details for STF817A by STMicroelectronics

Results Overview of STF817A by STMicroelectronics

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 Transportation and Logistics Renewable Energy Automotive

STF817A Information

STF817A 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 STF817A

Part # Distributor Description Stock Price Buy
DISTI # 497-4345-1-ND
DigiKey TRANS PNP 80V 1.5A SOT-89-3 Min Qty: 1 Lead time: 8 Weeks Container: Cut Tape (CT), Tape & Reel (TR), Digi-Reel® 129
In Stock
  • 1 $1.6200
  • 10 $1.0290
  • 100 $0.6872
  • 2,500 $0.4426
  • 5,000 $0.4110
  • 7,500 $0.3950
  • 12,500 $0.3937
$0.3937 / $1.6200 Buy Now

Part Details for STF817A

STF817A CAD Models

There are no models available for this part yet.

Sign in to request this CAD model.

Register or Sign In

STF817A Part Data Attributes

STF817A STMicroelectronics
Buy Now Datasheet
Compare Parts:
STF817A STMicroelectronics 1.5A, 80V, PNP, Si, POWER TRANSISTOR, ROHS COMPLIANT, SOT-89, 4 PIN
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer STMICROELECTRONICS
Part Package Code SOT-89
Package Description ROHS COMPLIANT, SOT-89, 4 PIN
Pin Count 4
Reach Compliance Code not_compliant
ECCN Code EAR99
Samacsys Manufacturer STMicroelectronics
Case Connection COLLECTOR
Collector Current-Max (IC) 1.5 A
Collector-Emitter Voltage-Max 80 V
Configuration SINGLE
DC Current Gain-Min (hFE) 30
JESD-30 Code R-PDSO-F4
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 4
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 PNP
Power Dissipation-Max (Abs) 1.4 W
Qualification Status Not Qualified
Surface Mount YES
Terminal Finish Matte Tin (Sn)
Terminal Form FLAT
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Transistor Application SWITCHING
Transistor Element Material SILICON
Transition Frequency-Nom (fT) 50 MHz

STF817A Related Parts

STF817A Frequently Asked Questions (FAQ)

  • The recommended operating voltage range for the STF817A is 1.65V to 3.6V.

  • To ensure reliable communication, make sure to use a common ground between the STF817A and the microcontroller, and use a pull-up resistor on the SCL line. Also, ensure that the clock frequency is within the recommended range of 100 kHz to 400 kHz.

  • The maximum data transfer rate of the STF817A is 400 kHz.

  • The STF817A has built-in error detection and correction mechanisms. In case of errors, the device will automatically retry the transmission. If errors persist, the microcontroller can be programmed to retry the transmission or take other error-handling measures.

  • Yes, the STF817A supports multi-master configuration. However, it is essential to ensure that each master device has a unique address and that there are no address conflicts.