Datasheets
SST109 by:

Small Signal Field-Effect Transistor, 1-Element, N-Channel, Silicon, Junction FET, PLASTIC PACKAGE-3

Part Details for SST109 by Calogic Inc

Results Overview of SST109 by Calogic Inc

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Applications Education and Research Internet of Things (IoT) Computing and Data Storage Aerospace and Defense Healthcare Telecommunications Communication and Networking Automotive

SST109 Information

SST109 by Calogic Inc is a Small Signal Field-Effect Transistor.
Small Signal Field-Effect 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 SST109

Part # Distributor Description Stock Price Buy
Future Electronics Trans JFET N-CH 3-Pin SOT-23 RoHS: Not Compliant pbFree: Yes Min Qty: 5000 Package Multiple: 2500 Container: Reel 0
Reel
  • 2,500 $0.4800
$0.4800 Buy Now
DISTI # SST109
IBS Electronics SST109 by Calogic is a JFET input operational amplifier featuring low noise, high input impedance, and wide bandwidth, ideal for precision applications. Min Qty: 5000 Package Multiple: 1 0
  • 5,000 $0.6240
$0.6240 Buy Now
Karl Kruse GmbH & Co KG Trans JFET N-CH 3-Pin SOT-23 10000
RFQ
NAC   RoHS: Compliant Min Qty: 5000 Package Multiple: 1 0
  • 5,000 $0.5900
  • 15,000 $0.5500
  • 30,000 $0.5300
$0.5300 / $0.5900 Buy Now

Part Details for SST109

SST109 CAD Models

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SST109 Part Data Attributes

SST109 Calogic Inc
Buy Now Datasheet
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SST109 Calogic Inc Small Signal Field-Effect Transistor, 1-Element, N-Channel, Silicon, Junction FET, PLASTIC PACKAGE-3
Pbfree Code No
Rohs Code No
Part Life Cycle Code Active
Ihs Manufacturer CALOGIC LLC
Package Description PLASTIC PACKAGE-3
Pin Count 3
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8541.21.00.95
Additional Feature LOW NOISE
Configuration SINGLE
Drain-source On Resistance-Max 12 Ω
FET Technology JUNCTION
JESD-30 Code R-PDSO-G3
Number of Elements 1
Number of Terminals 3
Operating Mode ENHANCEMENT MODE
Operating Temperature-Max 150 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Polarity/Channel Type N-CHANNEL
Power Dissipation-Max (Abs) 0.35 W
Qualification Status Not Qualified
Surface Mount YES
Terminal Form GULL WING
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Transistor Application SWITCHING
Transistor Element Material SILICON

SST109 Related Parts

SST109 Frequently Asked Questions (FAQ)

  • The recommended PCB layout for optimal thermal performance involves placing a thermal pad on the bottom of the SST109, connecting it to a large copper area on the PCB, and using multiple vias to dissipate heat. This layout helps to reduce the thermal resistance and improve the overall thermal performance of the device.

  • To ensure reliable operation in high-temperature environments, it's essential to follow the recommended operating conditions, provide adequate heat sinking, and use a thermal interface material (TIM) between the SST109 and the heat sink. Additionally, consider using a thermistor or temperature sensor to monitor the device temperature and implement thermal protection mechanisms if necessary.

  • Operating the SST109 at the maximum rated current can lead to increased power dissipation, reduced efficiency, and potentially shorter lifespan. It's essential to consider the thermal and electrical stresses on the device and ensure that the system is designed to handle the maximum current rating. Additionally, consider derating the current to ensure reliable operation and minimize the risk of overheating.

  • To troubleshoot issues with the SST109, start by verifying the input voltage, output voltage, and current. Check for any signs of overheating, such as excessive temperature rise or thermal shutdown. Use an oscilloscope to monitor the input and output waveforms, and verify that the device is operating within the recommended specifications. Consult the datasheet and application notes for guidance on troubleshooting and fault diagnosis.

  • The SST109 is a switching regulator, and as such, it can generate electromagnetic interference (EMI). To minimize EMI and ensure electromagnetic compatibility (EMC), follow proper PCB layout practices, use shielding and filtering components, and consider using a metal enclosure or shielded cables. Additionally, ensure that the system meets the relevant EMI and EMC standards and regulations.

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