Datasheets
BSS138 by:

Small Signal Field-Effect Transistor, 0.22A I(D), 50V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, SOT-23, 3 PIN

Part Details for BSS138 by Infineon Technologies AG

Results Overview of BSS138 by Infineon Technologies AG

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BSS138 Information

BSS138 by Infineon Technologies AG 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 BSS138

Part # Distributor Description Stock Price Buy
Bristol Electronics   138000
RFQ
Chip 1 Exchange INSTOCK 4117
RFQ

Part Details for BSS138

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BSS138 Part Data Attributes

BSS138 Infineon Technologies AG
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BSS138 Infineon Technologies AG Small Signal Field-Effect Transistor, 0.22A I(D), 50V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, SOT-23, 3 PIN
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer INFINEON TECHNOLOGIES AG
Part Package Code SOT-23
Package Description SOT-23, 3 PIN
Pin Count 3
Reach Compliance Code compliant
ECCN Code EAR99
Samacsys Manufacturer Infineon
Additional Feature LOGIC LEVEL COMPATIBLE
Configuration SINGLE WITH BUILT-IN DIODE
DS Breakdown Voltage-Min 50 V
Drain Current-Max (ID) 0.22 A
Drain-source On Resistance-Max 6 Ω
FET Technology METAL-OXIDE SEMICONDUCTOR
Feedback Cap-Max (Crss) 8 pF
JESD-30 Code R-PDSO-G3
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 3
Operating Mode ENHANCEMENT MODE
Operating Temperature-Max 150 °C
Operating Temperature-Min -55 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Polarity/Channel Type N-CHANNEL
Power Dissipation-Max (Abs) 0.36 W
Qualification Status Not Qualified
Surface Mount YES
Terminal Finish MATTE TIN
Terminal Form GULL WING
Terminal Position DUAL
Transistor Application SWITCHING
Transistor Element Material SILICON

Alternate Parts for BSS138

This table gives cross-reference parts and alternative options found for BSS138. 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 BSS138, 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.

Part Number Manufacturer Composite Price Description Compare
LBSS138LT1 LRC Leshan Radio Co Ltd Check for Price Power Field-Effect Transistor, N-Channel, Metal-oxide Semiconductor FET, BSS138 vs LBSS138LT1
BSS138LT3G onsemi $0.0565 Single N-Channel Logic Level Power MOSFET 50V, 200mA, 3.5Ω, SOT-23 (TO-236) 3 LEAD, 10000-REEL BSS138 vs BSS138LT3G
BSS138/S62Z Texas Instruments Check for Price 220mA, 50V, N-CHANNEL, Si, SMALL SIGNAL, MOSFET, TO-236AB BSS138 vs BSS138/S62Z
BSS138TR Fairchild Semiconductor Corporation Check for Price Small Signal Field-Effect Transistor, N-Channel, Metal-oxide Semiconductor FET, BSS138 vs BSS138TR
BSS138 Vishay Semiconductors Check for Price Small Signal Field-Effect Transistor, 0.22A I(D), 50V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-236AB, PLASTIC PACKAGE-3 BSS138 vs BSS138
BSS138 National Semiconductor Corporation Check for Price TRANSISTOR 220 mA, 50 V, N-CHANNEL, Si, SMALL SIGNAL, MOSFET, TO-236AB, FET General Purpose Small Signal BSS138 vs BSS138
Part Number Manufacturer Composite Price Description Compare
BSS138 Texas Instruments Check for Price 220mA, 50V, N-CHANNEL, Si, SMALL SIGNAL, MOSFET, TO-236AB BSS138 vs BSS138
BSS138/S62Z National Semiconductor Corporation Check for Price TRANSISTOR 220 mA, 50 V, N-CHANNEL, Si, SMALL SIGNAL, MOSFET, TO-236AB, FET General Purpose Small Signal BSS138 vs BSS138/S62Z
BSS138_F085 onsemi Check for Price N-Channel Logic Level Enhancement Mode Field Effect Transistor, SOT-23 3L, 15000-TAPE REEL BSS138 vs BSS138_F085
BSS138/D87Z National Semiconductor Corporation Check for Price TRANSISTOR 220 mA, 50 V, N-CHANNEL, Si, SMALL SIGNAL, MOSFET, TO-236AB, FET General Purpose Small Signal BSS138 vs BSS138/D87Z
BSS138T/R13 PanJit Semiconductor Check for Price Small Signal Field-Effect Transistor, 0.3A I(D), 50V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, ROHS COMPLIANT PACKAGE-3 BSS138 vs BSS138T/R13
BSS138L onsemi $0.0534 Single N-Channel Logic Level Power MOSFET 50V, 200mA, 3.5Ω, SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P, 3000-REEL BSS138 vs BSS138L
BSS138D87Z Fairchild Semiconductor Corporation Check for Price Small Signal Field-Effect Transistor, 0.22A I(D), 50V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, BSS138 vs BSS138D87Z
BSS138/L99Z National Semiconductor Corporation Check for Price TRANSISTOR 220 mA, 50 V, N-CHANNEL, Si, SMALL SIGNAL, MOSFET, TO-236AB, FET General Purpose Small Signal BSS138 vs BSS138/L99Z
BSS138-13-F Diodes Incorporated $0.1078 Small Signal Field-Effect Transistor, BSS138 vs BSS138-13-F
BSS138LT1G onsemi $0.0968 Single N-Channel Logic Level Power MOSFET 50V, 200mA, 3.5Ω, SOT-23 (TO-236) 3 LEAD, 3000-REEL BSS138 vs BSS138LT1G

Resources and Additional Insights for BSS138

Reference Designs related to BSS138

  • 15W Qi transmitter for charging smartphones
    The 15W wireless power transmitter evaluation module is a high-performance, easy-to-use development kit designed for applications up to 15W of power transfer. It supports an input voltage range of 9-12V and is compatible with QC 3.0 adapters.

BSS138 Related Parts

BSS138 Frequently Asked Questions (FAQ)

  • The BSS138 can operate safely between -55°C to 150°C, but the recommended operating temperature range is -40°C to 125°C.

  • To ensure proper biasing, connect the gate to a voltage source through a resistor (e.g., 1 kΩ) and the source to ground. This helps to reduce oscillations and ensures stable operation.

  • The maximum current rating for the BSS138 is 1.4 A, but it's recommended to derate the current to 1 A or less for reliable operation.

  • Yes, the BSS138 can be used as a switch for high-frequency signals up to 1 GHz, but be aware of the device's parasitic capacitances and inductances, which may affect high-frequency performance.

  • To minimize power losses, ensure the BSS138 is fully turned on or off, and use a low-resistance gate driver to reduce switching losses. Additionally, consider using a Schottky diode in parallel with the BSS138 to reduce reverse recovery losses.

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