Unijunction Transistors

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Intrinsic Standoff Ratio Min









Intrinsic Standoff Ratio Max








Interbase Resistance Min
(KOHMS)




Interbase Resistance Max
(KOHMS)





Min Valley Point Current
(mA)





Package



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Part
Number
Descriptive Datasheet
Power Rating
PD
mW
Intrinsic Standoff Ratio Min
η
 
Intrinsic Standoff Ratio Max
η
 
Interbase Resistance Min
ΓBB
KOHMS
Interbase Resistance Max
ΓBB
KOHMS
Max Emitter Reverse Current
IEB20
μA
Emitter Reverse Current Voltage
VB2E
VOLTS
Max Peak Point Emitter Current
IP
μA
Min Valley Point Current
IV
mA
Min Base One Peak Pulse Voltage
VOB1
VOLTS
Package Available
Lead
Finish
Notes
2N494C
Unijuction Transistor 450 0.62 0.75 6.2 9.1 0.2 60 2 8 3 TO-5
Sn/Pb Pb-free
Notes
2N1671
Unijuction Transistor 450 0.47 0.62 4.7 9.1 12 30 25 8 n/a TO-5
Sn/Pb Pb-free
Notes
2N1671A
Unijuction Transistor 450 0.47 0.62 4.7 9.1 12 30 25 8 3 TO-5
Sn/Pb Pb-free
Notes
2N1671B
Unijuction Transistor 450 0.47 0.62 4.7 9.1 0.2 30 6 8 3 TO-5
Sn/Pb Pb-free
Notes
2N1671C
Unijuction Transistor 450 0.47 0.62 4.7 9.1 0.02 30 2 8 3 TO-5
Sn/Pb Pb-free
Notes
2N2417
Unijuction Transistor 300 0.51 0.62 4.7 6.8 2 60 12 8 n/a TO-18
Sn/Pb Pb-free
Notes
2N2417A
Unijuction Transistor 300 0.51 0.62 4.7 6.8 2 60 12 8 3 TO-18
Sn/Pb Pb-free
Notes
2N2417B
Unijuction Transistor 300 0.51 0.62 4.7 6.8 0.2 30 6 8 3 TO-18
Sn/Pb Pb-free
Notes
2N2418
Unijuction Transistor 300 0.51 0.62 6.2 9.1 2 60 12 8 n/a TO-18
Sn/Pb Pb-free
Notes
2N2418A
Unijuction Transistor 300 0.51 0.62 6.2 9.1 2 60 12 8 3 TO-18
Sn/Pb Pb-free
Notes
2N2418B
Unijuction Transistor 300 0.51 0.62 6.2 9.1 0.2 30 6 8 3 TO-18
Sn/Pb Pb-free
Notes
2N2419
Unijuction Transistor 300 0.56 0.68 4.7 6.8 2 60 12 8 n/a TO-18
Sn/Pb Pb-free
Notes
2N2419A
Unijuction Transistor 300 0.56 0.68 4.7 6.8 2 60 12 8 3 TO-18
Sn/Pb Pb-free
Notes
2N2419B
Unijuction Transistor 300 0.56 0.68 4.7 6.8 0.2 30 6 8 3 TO-18
Sn/Pb Pb-free
Notes
2N2420
Unijuction Transistor 300 0.56 0.68 6.2 9.1 2 60 12 8 n/a TO-18
Sn/Pb Pb-free
Notes
2N2420A
Unijuction Transistor 300 0.56 0.68 6.2 9.1 2 60 12 8 3 TO-18
Sn/Pb Pb-free
Notes
2N2420B
Unijuction Transistor 300 0.56 0.68 6.2 9.1 0.2 30 6 8 3 TO-18
Sn/Pb Pb-free
Notes
2N2421
Unijuction Transistor 300 0.62 0.75 4.7 6.8 2 60 12 8 n/a TO-18
Sn/Pb Pb-free
Notes
2N2421A
Unijuction Transistor 300 0.62 0.75 4.7 6.8 2 60 12 8 3 TO-18
Sn/Pb Pb-free
Notes
2N2421B
Unijuction Transistor 300 0.62 0.75 4.7 6.8 0.2 30 6 8 3 TO-18
Sn/Pb Pb-free
Notes