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Product Index > Discrete Semiconductor Products > FETs - Single > Fairchild Semiconductor BSS138

All prices are in US dollars.
Digi-Key Part NumberBSS138DKR-ND
Price BreakUnit PriceExtended Price
Quantity Available Digi-Key Stock: 365,631
Can ship immediately

Factory Stock ? : 273,000

Manufacturer Part Number


DescriptionMOSFET N-CH 50V 220MA SOT-23
Lead Free Status / RoHS StatusLead free / RoHS Compliant

A $7.00 reeling fee will be applied to each reel ordered. Digi-Reels are a custom product and are non-cancelable and non-returnable.

Digi-Reel Pricing
QuantityUnit Price
Extended Price

QuantityItem Number  ? Customer Reference
BSS138 Fairchild Semiconductor | BSS138DKR-ND DigiKey Electronics

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

When requested quantity exceeds displayed pricing table quantities, a lesser unit price may appear on your order.
You may submit a request for quotation on quantities which are greater than those displayed in the pricing table.

Datasheets BSS138 Datasheet
Molded Pkg, SUPERSOT, 3 Lead Drawing
Product Photos SOT-23-3
Product Training Modules High Voltage Switches for Power Processing
SMPS Power Switch
PCN Design/Specification Mold Compound 12/Dec/2007
PCN Assembly/Origin Qualification of Manufacturing Source 25/Nov/2013
PCN Packaging Binary Year Code Marking 15/Jan/2014
Standard Package ? 1

Discrete Semiconductor Products


FETs - Single

Packaging ? Digi-Reel® ? 
FET TypeMOSFET N-Channel, Metal Oxide
FET FeatureLogic Level Gate
Drain to Source Voltage (Vdss)50V
Current - Continuous Drain (Id) @ 25°C220mA (Ta)
Rds On (Max) @ Id, Vgs3.5 Ohm @ 220mA, 10V
Vgs(th) (Max) @ Id1.5V @ 1mA
Gate Charge (Qg) @ Vgs2.4nC @ 10V
Input Capacitance (Ciss) @ Vds27pF @ 25V
Power - Max360mW
Mounting TypeSurface Mount
Package / CaseTO-236-3, SC-59, SOT-23-3
Supplier Device PackageSOT-23
Online CatalogN-Channel Logic Level Gate FETs
Other NamesBSS138DKR
Alternate Package | This part is also available in the following packaging:
Digi-Key Part NumberManufacturer Part NumberManufacturerPackagingQuantity AvailableUnit PriceMinimum Quantity
BSS138TR-NDBSS138Fairchild SemiconductorTape & Reel (TR) ? 351,000 - Immediate
87,000 - Factory Stock
BSS138CT-NDBSS138Fairchild SemiconductorCut Tape (CT) ? 365,631 - Immediate
89,479 - Factory Stock

Tape & Reel, Cut Tape and Digi-Reels are all derived from the same manufacturer’s part number. Inventory from Tape & Reel is used to fulfill Cut Tape and Digi-Reel orders and will impact the total quantity available.

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6:08:30 3/5/2015