All prices are in US dollars.
Digi-Key Part Number BSS138CT-ND
Price Break Unit Price Extended Price
1 0.22000 0.22
10 0.17800 1.78
100 0.09450 9.45
500 0.06214 31.07
1,000 0.04234 42.34
Quantity Available Digi-Key Stock: 342,730
Can ship immediately

Factory Stock ?: 6,000

Manufacturer Standard Lead Time 8 Weeks
Manufacturer Part Number


Description MOSFET N-CH 50V 220MA SOT-23
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Quantity Item Number ? Customer Reference

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
Black Plastic Reel Update 30/Jun/2015
EDA / CAD Models ? Download from Accelerated Designs
Standard Package ? 1

Discrete Semiconductor Products


Transistors - FETs, MOSFETs - Single

Series -
Packaging ? Cut Tape (CT)?
FET Type MOSFET N-Channel, Metal Oxide
FET Feature Logic Level Gate
Drain to Source Voltage (Vdss) 50V
Current - Continuous Drain (Id) @ 25°C 220mA (Ta)
Rds On (Max) @ Id, Vgs 3.5 Ohm @ 220mA, 10V
Vgs(th) (Max) @ Id 1.5V @ 1mA
Gate Charge (Qg) @ Vgs 2.4nC @ 10V
Input Capacitance (Ciss) @ Vds 27pF @ 25V
Power - Max 360mW
Operating Temperature -55°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3
Online Catalog N-Channel Logic Level Gate FETs
Other Names BSS138CT
Alternate Package | This part is also available in the following packaging:
Digi-Key Part Number Manufacturer Part Number Manufacturer Packaging Quantity Available Unit Price Minimum Quantity
BSS138TR-ND BSS138 Fairchild Semiconductor Tape & Reel (TR)? 339,000 - Immediate
6,000 - Factory Stock
0.03703 3,000
BSS138DKR-ND BSS138 Fairchild Semiconductor Digi-Reel®? 342,730 - Immediate
6,000 - Factory Stock
Digi-Reel® 1

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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12:21:55 6/26/2016