Part Details for BSS138W by Fairchild Semiconductor Corporation
Results Overview of BSS138W by Fairchild Semiconductor Corporation
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (8 options)
- Part Data Attributes: (Available)
- Reference Designs: (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.
BSS138W Information
BSS138W by Fairchild Semiconductor Corporation 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 BSS138W
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 2085 |
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RFQ | ||
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Quest Components | 210 MA, 50 V, N-CHANNEL, SI, SMALL SIGNAL, MOSFET | 80 |
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$1.6060 / $2.9200 | Buy Now |
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Win Source Electronics | MOSFET N-CH 50V 0.21A SOT323 / Trans MOSFET N-CH 50V 0.21A 3-Pin SC-70 T/R | 97555 |
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$0.0351 / $0.0453 | Buy Now |
Part Details for BSS138W
BSS138W CAD Models
BSS138W Part Data Attributes
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BSS138W
Fairchild Semiconductor Corporation
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Datasheet
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BSS138W
Fairchild Semiconductor Corporation
Small Signal Field-Effect Transistor, 0.21A I(D), 50V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, SOT-323, 3 PIN
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | FAIRCHILD SEMICONDUCTOR CORP | |
| Part Package Code | SC-70 | |
| Package Description | SOT-323, 3 PIN | |
| Pin Count | 3 | |
| Manufacturer Package Code | 3LD, SC70, EIAJ SC-70, 1.25MM WIDE | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.21.00.95 | |
| Additional Feature | ULTRA-LOW RESISTANCE | |
| Configuration | SINGLE WITH BUILT-IN DIODE | |
| DS Breakdown Voltage-Min | 50 V | |
| Drain Current-Max (ID) | 0.21 A | |
| Drain-source On Resistance-Max | 3.5 Ω | |
| FET Technology | METAL-OXIDE SEMICONDUCTOR | |
| Feedback Cap-Max (Crss) | 3.5 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 Ambient-Max | 0.34 W | |
| Power Dissipation-Max (Abs) | 0.34 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | YES | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | GULL WING | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON |
Alternate Parts for BSS138W
This table gives cross-reference parts and alternative options found for BSS138W. 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 BSS138W, 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 |
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| BSS138W | onsemi | $0.1054 | N-Channel Logic Level Enhancement Mode Field Effect Transistor 50 , 210mA, 3.5Ω, SC-70-3 / SOT-323-3, 3000-REEL | BSS138W vs BSS138W |
| BSS138WGL6433 | Infineon Technologies AG | Check for Price | Small Signal Field-Effect Transistor, 0.28A I(D), 60V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, ROHS COMPLIANT, PLASTIC PACKAGE-3 | BSS138W vs BSS138WGL6433 |
| BSS138W_R1_00001 | PanJit Semiconductor | Check for Price | Small Signal Field-Effect Transistor, 0.3A I(D), 50V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, GREEN, PLASTIC PACKAGE-3 | BSS138W vs BSS138W_R1_00001 |
| BSS138W | WEITRON INTERNATIONAL CO., LTD. | Check for Price | Small Signal Field-Effect Transistor, 0.2A I(D), 50V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, LEAD FREE, SC-70, 3 PIN | BSS138W vs BSS138W |
| BSS138W_R2_00001 | PanJit Semiconductor | Check for Price | Small Signal Field-Effect Transistor, 0.3A I(D), 50V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, GREEN, PLASTIC PACKAGE-3 | BSS138W vs BSS138W_R2_00001 |
| BSS138WL6433 | Infineon Technologies AG | Check for Price | Small Signal Field-Effect Transistor, 0.28A I(D), 60V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, GREEN, PLASTIC PACKAGE-3 | BSS138W vs BSS138WL6433 |
| BSS138WL6327 | Infineon Technologies AG | Check for Price | Small Signal Field-Effect Transistor, 0.28A I(D), 60V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, GREEN, PLASTIC PACKAGE-3 | BSS138W vs BSS138WL6327 |
| BSS138WT/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 | BSS138W vs BSS138WT/R13 |
Resources and Additional Insights for BSS138W
Reference Designs related to BSS138W
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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.
BSS138W Frequently Asked Questions (FAQ)
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The BSS138W can operate safely between -55°C to 150°C, but the recommended operating temperature range is -40°C to 125°C.
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To ensure proper biasing, the gate-source voltage (Vgs) should be between 2V to 4V, and the drain-source voltage (Vds) should be between 1V to 20V. Additionally, the gate current (Ig) should be limited to 10mA or less.
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The maximum continuous drain current (Id) rating for the BSS138W is 1.4A, and the pulsed drain current rating is 2.8A.
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To protect the BSS138W from ESD, handle the device by the body or use an anti-static wrist strap, and ensure the workspace is ESD-safe. Additionally, use ESD protection devices such as TVS diodes or ESD protection arrays in the circuit design.
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For optimal thermal performance, use a PCB with a thermal pad and ensure good thermal conductivity. Keep the component placement and routing compact to minimize thermal resistance. A heat sink or thermal interface material can also be used to improve thermal dissipation.