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Product Index > Discrete Semiconductor Products > JFETs (Junction Field Effect) > Fairchild Semiconductor MMBF4393

All prices are in US dollars.
Digi-Key Part NumberMMBF4393DKR-ND
Price BreakUnit PriceExtended Price
Quantity Available Digi-Key Stock: 22,143
Can ship immediately

Manufacturer Part Number


DescriptionJFET N-CH 30V 350MW SOT23
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
MMBF4393 Fairchild Semiconductor | MMBF4393DKR-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 PN4391-93, MMBF4391-93
Molded Pkg, SUPERSOT, 3 Lead Drawing
Product Photos SOT-23-3
Product Training Modules High Voltage Switches for Power Processing
PCN Design/Specification Mold Compound 12/Dec/2007
PCN Packaging Binary Year Code Marking 15/Jan/2014
Standard Package ? 1

Discrete Semiconductor Products


JFETs (Junction Field Effect)

Packaging ? Digi-Reel® ? 
FET TypeN-Channel
Voltage - Breakdown (V(BR)GSS)30V
Drain to Source Voltage (Vdss)30V
Current - Drain (Idss) @ Vds (Vgs=0)5mA @ 20V
Current Drain (Id) - Max-
Voltage - Cutoff (VGS off) @ Id500mV @ 1nA
Input Capacitance (Ciss) @ Vds14pF @ 20V
Resistance - RDS(On)100 Ohm
Mounting TypeSurface Mount
Package / CaseTO-236-3, SC-59, SOT-23-3
Supplier Device PackageSOT-23-3 (TO-236)
Power - Max350mW
Online CatalogN-Channel JFETs
Other NamesMMBF4393DKR
Alternate Package | This part is also available in the following packaging:
Digi-Key Part NumberManufacturer Part NumberManufacturerPackagingQuantity AvailableUnit PriceMinimum Quantity
MMBF4393TR-NDMMBF4393Fairchild SemiconductorTape & Reel (TR) ? 21,000 - Immediate
MMBF4393CT-NDMMBF4393Fairchild SemiconductorCut Tape (CT) ? 22,143 - Immediate

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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18:06:23 3/30/2015