Programmable Unijunction

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Voltage	Power Dissipation (Max)	Voltage - Output	Voltage - Offset (Vt)	Current - Gate to Anode Leakage (Igao)	Current - Valley (Iv)	Current - Peak	Package / Case
2N6027 PBFREE PROGRAMMABLE UJT 40V TO226-3 Central Semiconductor Corp	5,940 In Stock	1 : £2.95000 Bulk	-	Bulk	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA)
CMPP6028 TR PBFREE PROGRAMMABLE UJT SOT-23 Central Semiconductor Corp	4,670 In Stock	1 : £2.97000 Cut Tape (CT) 3,000 : £0.93272 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	40V	167 mW	6V	600 mV	10 nA	25 µA	150 nA	TO-236-3, SC-59, SOT-23-3
2N6028 PBFREE PROGRAMMABLE UJT 40V TO226-3 Central Semiconductor Corp	3,057 In Stock	1 : £2.98000 Bulk	-	Bulk	Active	40V	300 mW	6V	600 mV	10 nA	25 µA	150 nA	TO-226-3, TO-92-3 (TO-226AA)
GES6028TPE1 PNP PROGRAMMABLE UNIJUNCTION TRA Harris Corporation	2,000 Marketplace	832 : £0.26675 Bulk	*	Bulk	Active	-	-	-	-	-	-	-	-
2N4988 SMALL SIGNAL BIPOLAR TRANSISTOR Harris Corporation	5,237 Marketplace	330 : £0.67430 Bulk	-	Bulk	Active	-	-	-	-	-	-	-	TO-98-3
2N4989 SMALL SIGNAL BIPOLAR TRANSISTOR Harris Corporation	641 Marketplace	167 : £1.33377 Bulk	-	Bulk	Active	30V	-	-	-	-	-	-	TO-98-3
2N6027 TRB PBFREE 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £0.94201 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6027 TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,500 : £0.95564 Box	-	Box	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA)
2N6027 APM TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £0.96278 Tape & Box (TB)	-	Tape & Box (TB)	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6027 TRE TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £0.96278 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6028 APM PBFREE 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £1.03704 Tape & Box (TB)	-	Tape & Box (TB)	Active	40V	300 mW	6V	600 mV	10 nA	25 µA	150 nA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6027 APP PBFREE 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £1.03704 Tape & Box (TB)	-	Tape & Box (TB)	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6027 TRB TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £1.06720 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6028 TRE TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £1.06720 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	40V	300 mW	6V	600 mV	10 nA	25 µA	150 nA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6027 APP TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £1.06720 Tape & Box (TB)	-	Tape & Box (TB)	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6028 APM TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £1.06720 Tape & Box (TB)	-	Tape & Box (TB)	Active	40V	300 mW	6V	600 mV	10 nA	25 µA	150 nA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6028 TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,500 : £1.06720 Box	-	Box	Active	40V	300 mW	6V	600 mV	10 nA	25 µA	150 nA	TO-226-3, TO-92-3 (TO-226AA)
2N6027 APM PBFREE 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £1.15164 Tape & Box (TB)	-	Tape & Box (TB)	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
CMPP6027 TR PBFREE PROGRAMMABLE UJT SOT-23 Central Semiconductor Corp	0 In Stock Check Lead Time	3,000 : £1.15518 Tape & Reel (TR)	CMPP	Tape & Reel (TR)	Active	40V	167 mW	6V	600 mV	10 nA	50 µA	2 µA	TO-236-3, SC-59, SOT-23-3
2N6028 TRE PBFREE 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £1.15792 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	40V	300 mW	6V	600 mV	10 nA	25 µA	150 nA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6027 TRE PBFREE 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £1.15792 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6027 TRA TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £1.18852 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6027 TRA PBFREE 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2,000 : £1.32430 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6027RL1G PROGRAMMABLE UJT 40V TO92 onsemi	0 In Stock	Obsolete	-	Tape & Reel (TR)	Obsolete	40V	300 mW	11V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
2N6027RLRAG PROGRAMMABLE UJT 40V TO92 onsemi	0 In Stock	Obsolete	-	Tape & Reel (TR)	Obsolete	40V	300 mW	11V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA) Formed Leads

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Programmable unijunction transistors (PUTs) are a relative of Silicon Controlled Rectifier (SCR) devices, having a characteristic behavior somewhat like a unidirectional DIAC with a user-configurable threshold voltage. While useful for creating low frequency oscillator and timing functions, SCR triggering applications, and others, alternative techniques for addressing such needs have gained greater favor.