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
2N491A-HR
Unijuction Transistor 450 0.56 0.68 4.7 6.8 2 30 12 8 3 TO-5
Sn/Pb N/A
Notes