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2N5639

OBSOLETE
Fairchild Semiconductor

JFET N-Channel 35 V 310 mW Through Hole TO-92 (TO-226)

End of life. Buy from remaining stock or find an alternate.

2N5639 is a JFET N-Channel 35 V 310 mW Through Hole TO-92 (TO-226) from Fairchild Semiconductor. 1 authorized distributor quotes it on TracedParts, from RM 1.86 at quantity 1, with 21,835 units in stock for immediate despatch. Figures come from the distributors' own APIs, pulled in the catalogue snapshot of 2026-10-27, and are indicative rather than a binding quote.

RoHS COMPLIANTREACH TO-226-3, TO-92-3 (TO-226AA) Formed Leads THROUGH HOLE
BEST PRICE @1
RM 1.86
DigiKey · authorized
TOTAL STOCK
21,835
1 source
SHORTEST LEAD
stock
ships from warehouse
AUTHORIZED
1 / 1
tier 1 sources

Who has 2N5639 in stock, and what does it cost?

1 authorized distributor · pulled from their APIs in the catalogue snapshot of 2026-10-27
QTY pcs
DISTRIBUTOR
STOCK
MOQ
PRICE BREAKS · MYR
LEAD
@250 PCS
TIER 1 - AUTHORIZED DISTRIBUTORfranchised - full warranty - paperwork QA will accept
AUTH
21,835
649
649+1.8596
stock
ex-warehouse
-
below MOQ 649
Buy ↗
What 250 pcs actually costs landed in Malaysia, duty and SST included: RM 550.46 RM 2.2018 per unit, DDP · estimate Open estimator →

What are the specifications of 2N5639?

21 parameters▾
Device specification
FET TypeN-Channel
Voltage - Breakdown (V(BR)GSS)35 V
Drain to Source Voltage (Vdss)30 V
Current - Drain (Idss) @ Vds (Vgs=0)25 mA @ 20 V
Input Capacitance (Ciss) (Max) @ Vds10pF @ 12V (VGS)
Resistance - RDS(On)60 Ohms
Power - Max310 mW
Operating Temperature-65°C ~ 150°C (TJ)
Mounting TypeThrough Hole
Package / CaseTO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device PackageTO-92 (TO-226)
Ordering & compliance
ManufacturerFairchild Semiconductor
CategoryJFETs
PackageTO-226-3, TO-92-3 (TO-226AA) Formed Leads
MountingThrough hole
LifecycleOBSOLETE
RoHSCompliant
Moisture levelNot applicable (through hole)
PackagingTube / bulk
Country of origin
HS code

Where can I download the 2N5639 datasheet?

link supplied by DigiKey▾
PDF
2N5639 datasheet
link supplied by DigiKey · Fairchild Semiconductor · English
Open datasheet ↗

This is the datasheet link the distributor returned with the part record. We pass it through as they gave it, and we have not opened it - there are more than 300,000 of these and we verify only the ones we curate by hand. If it does not resolve, that is the distributor’s record, not the part.

What does 2N5639 cost landed in Malaysia?

Malaysia · DDP · HS ▾
Goods
Freight · express 2 d
Import duty · 0 % (ITA-exempt)
Sales & service tax · 6 %
Customs clearance
Landed total

Estimate only. The correct HS classification for your import is your responsibility - see terms of service.

Is there a CAD symbol and footprint for 2N5639?

4 downloads▾
SCHEMATIC SYMBOL · .libPCB FOOTPRINT · .kicad_mod 3D MODEL · .stepSPICE · .mod

What can I use instead of 2N5639?

3 in JFETs▾
J111-D74Z
onsemi
JFET N-Channel 35 V 625 mW Through Hole TO-92-3…
10,296
RM 1.98
IFN160BST3TR
InterFET
JFET N-Channel 350 mW Surface Mount SOT-23-3…
9,039
RM 1.74
IFN160AST3TR
InterFET
JFET N-Channel 350 mW Surface Mount SOT-23-3…
9,039
RM 1.74

Nearest peers by price within the same category. Confirm the parameters before you substitute - these are not guaranteed drop-in replacements.

Which parts are similar to 2N5639?

8 parts▾
2SK596S-C2SK514-T-ATF222B-B4-TL-E-ONTF410-TL-HXTF408-3-TL-H2SK508-T1B-AFJZ594JCTFTF262TH-4-TL-H

Common questions about 2N5639

7 questions▾
Is 2N5639 in stock?
Yes. 21,835 units are in stock across 1 authorized distributor (DigiKey), as of the catalogue snapshot of 2026-10-27.
How much does 2N5639 cost?
RM 1.8596 is the lowest unit price on this page, from DigiKey. Prices fall as quantity rises; the full price break ladder is in the quotes table. Figures come from the distributor API and are indicative, not a binding quote.
Who supplies 2N5639?
DigiKey. It is authorized, franchised distributor quoting through its own API. TracedParts carries no broker or open-market listings.
How old are these prices?
The catalogue is re-pulled from the distributors' APIs once a day, and the line under the Quotes heading says which pull the figures on this page came from. Prices and stock can move between pulls, so treat them as indicative and confirm on the distributor's site before you order.
Who quoted these prices?
Every row on the site comes from an authorized, franchised distributor through its own API: DigiKey, Mouser or element14. There are no broker or open-market listings on TracedParts. If a source ever changes, the row will say so.
Why do you show the source before the price?
Because who sold it decides what happens at incoming inspection, and a table sorted by price alone hides that. Rows are grouped by the distributor's status first and ordered by unit price inside the group.
Why are prices in ringgit?
Distributors quote in US dollars. TracedParts converts to MYR at a fixed reference rate that is printed on the page, not a live FX feed, so the ringgit figure is a sourcing estimate rather than the amount you will be billed.