Programmable Unijunction
23 parts by stock depthProgrammable Unijunction in the Discrete Semiconductors section, sorted by the deepest stock at the distributors that carry them.
TracedParts lists 23 programmable unijunction from 2 manufacturers. Prices, stock and lead time come from DigiKey, Mouser and element14 through their own APIs, pulled 2026-09-25. The 23 shown on this page hold 16,053 units between them, cheapest unit price from RM 1.46.
Which programmable unijunction are in stock, and what do they cost?
PART NUMBER
MANUFACTURER
DESCRIPTION
PACKAGE
TOTAL STOCK
FROM
2N4988
Harris Corporation
Programmable Unijunction Transistor (UJT) TO-98-3
TO-98-3
5,237
RM 3.68
2N6028 PBFREE
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA)
TO-226-3, TO-92-3 (TO-226AA)
4,316
RM 17.22
2N6027 PBFREE
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA)
TO-226-3, TO-92-3 (TO-226AA)
3,644
RM 16.01
GES6028TPE1
Harris Corporation
Programmable Unijunction Transistor (UJT)
-
2,000
RM 1.46
2N4989
Harris Corporation
Programmable Unijunction Transistor (UJT) 30V TO-98-3
TO-98-3
641
RM 7.28
CMPP6028 TR PBFREE
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 167 mW TO-236-3, SC-59, SOT-23-3
TO-236-3, SC-59, SOT-23-3
215
RM 5.09
2N6027 TRB PBFREE
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 5.14
2N6027 TIN/LEAD
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA)
TO-226-3, TO-92-3 (TO-226AA)
0
RM 5.21
2N6028 APM PBFREE
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 5.66
2N6027 APP PBFREE
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 5.66
2N6027 APM TIN/LEAD
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 5.82
2N6027 TRB TIN/LEAD
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 5.82
2N6028 TRE TIN/LEAD
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 5.82
2N6027 TRE TIN/LEAD
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 5.82
2N6027 APP TIN/LEAD
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 5.82
2N6028 APM TIN/LEAD
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 5.82
2N6028 TIN/LEAD
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA)
TO-226-3, TO-92-3 (TO-226AA)
0
RM 5.82
2N6027 APM PBFREE
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 6.28
CMPP6027 TR PBFREE
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 167 mW TO-236-3, SC-59, SOT-23-3
TO-236-3, SC-59, SOT-23-3
0
RM 6.30
2N6028 TRE PBFREE
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 6.32
2N6027 TRE PBFREE
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 6.32
2N6027 TRA PBFREE
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 7.22
2N6027 TRA TIN/LEAD
Central Semiconductor Corp
Programmable Unijunction Transistor (UJT) 40V 300 mW TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
0
RM 7.22
Common questions about programmable unijunction
How many programmable unijunction does TracedParts list?
23 part numbers from 2 manufacturers, every one of them carried by an authorized distributor. They are ordered by total stock depth, so the parts you can actually buy today come first.
What is the lowest price for programmable unijunction?
Unit prices in this category start at RM 1.46 at quantity one. Larger quantities reach lower price breaks, and each part page shows the lowest price a quoting distributor lists for that exact part number.
Where do the programmable unijunction prices and stock come from?
DigiKey, Mouser and element14, read from their own APIs and refreshed daily; this page reflects the catalogue snapshot of 2026-09-25. No broker or open-market listings appear anywhere on TracedParts.