Programmable Unijunction

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of 36

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
2N6028 PBFREE PROGRAMMABLE UJT 40V TO226-3 Central Semiconductor Corp	2 435 In Stock	1 : R65,85000 Bulk	-	Bulk	Active	40V	300 mW	6V	600 mV	10 nA	25 µA	150 nA	TO-226-3, TO-92-3 (TO-226AA)
2N6027 PBFREE PROGRAMMABLE UJT 40V TO226-3 Central Semiconductor Corp	2 260 In Stock	1 : R65,85000 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	4 680 In Stock	1 : R65,51000 Cut Tape (CT) 3 000 : R21,74482 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
GES6028TPE1 PNP PROGRAMMABLE UNIJUNCTION TRA Harris Corporation	2 000 Marketplace	1 069 : R4,85240 Bulk	*	Bulk	Active	-	-	-	-	-	-	-	-
2N4988 SMALL SIGNAL BIPOLAR TRANSISTOR Harris Corporation	5 237 Marketplace	330 : R15,77030 Bulk	-	Bulk	Active	-	-	-	-	-	-	-	TO-98-3
2N4989 SMALL SIGNAL BIPOLAR TRANSISTOR Harris Corporation	791 Marketplace	167 : R31,19401 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 : R19,93747 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
CMPP6027 TR PBFREE PROGRAMMABLE UJT SOT-23 Central Semiconductor Corp	0 In Stock Check Lead Time	3 000 : R21,92892 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
2N6027 TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2 500 : R22,34995 Box	-	Box	Active	40V	300 mW	6V	1.6 V	10 nA	50 µA	2 µA	TO-226-3, TO-92-3 (TO-226AA)
2N6028 TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2 500 : R22,34995 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 TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2 000 : R22,51687 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 : R22,51687 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 : R22,51687 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 TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2 000 : R22,51687 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 APP TIN/LEAD 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2 000 : R22,51687 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 : R22,51687 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 APM PBFREE 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2 000 : R24,25351 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 APM PBFREE 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2 000 : R24,25351 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 APP PBFREE 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2 000 : R24,25351 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 TRE PBFREE 40V 150MA TH PROGRAMMABLE UJT Central Semiconductor Corp	0 In Stock Check Lead Time	2 000 : R24,38227 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 : R24,38227 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 : R27,79628 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 : R27,79628 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
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
2N6028RLRAG PROGRAMMABLE UJT 40V TO92 onsemi	0 In Stock	Obsolete	-	Tape & Reel (TR)	Obsolete	40V	300 mW	11V	600 mV	10 nA	25 µA	150 nA	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.