How do the onsemi onsemi 2N39 Series variants differ?

onsemi 2N39 Series part numbers differ by case, frequency, operating temperature and package. Use the selection guide above to pick by case.

How many onsemi onsemi 2N39 Series part numbers are listed?

5 onsemi onsemi 2N39 Series part numbers are listed, each with specifications and a datasheet where available.

onsemi 2N39 Series

5 variants · onsemi

About the onsemi onsemi 2N39 Series series

The onsemi onsemi 2N39 Series series groups 5 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common current - collector (Ic) of 200 mA, current - collector cutoff of - and DC current gain (hFE) (Min) @ ic, vce of 100 @ 10mA, 1V. Variants differ by case, frequency and operating temperature, so you can match the exact case your application requires using the selection guide below. All listed onsemi 2N39 Series part numbers are active and orderable.

Select a variant by

Case: TO-226-3, TO-92-3 (TO-226AA) · TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Frequency: 250MHz · 300MHz
Operating temperature: -55°C ~ 150°C (TJ) · -55°C~150°C(TJ)
Package: Bulk · Cut Tape (CT) Tape & Box (TB) · Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
Transistor type: NPN · PNP
Vce saturation (Max) @ ib, ic: 300mV @ 5mA, 50mA · 400mV @ 5mA, 50mA

Variant comparison

Parameter	2N3904BU	2N3904TF	2N3904TFR	2N3906TAR	2N3906TF
Case	TO-226-3, TO-92-3 (TO-226AA)	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Frequency	300MHz	300MHz	300MHz	250MHz	250MHz
Operating temperature	-55°C ~ 150°C (TJ)	-55°C~150°C(TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Package	Bulk	Tape & Reel (TR); Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)	Cut Tape (CT) Tape & Box (TB)	Tape & Reel (TR) Cut Tape (CT)
Transistor type	NPN	NPN	NPN	PNP	PNP
Vce saturation (Max) @ ib, ic	300mV @ 5mA, 50mA	300mV @ 5mA, 50mA	300mV @ 5mA, 50mA	400mV @ 5mA, 50mA	400mV @ 5mA, 50mA

Shared specifications

Current - collector (Ic): 200 mA
Current - collector cutoff: -
DC current gain (hFE) (Min) @ ic, vce: 100 @ 10mA, 1V
Mounting type: Through Hole
Power - max: 625 mW
Voltage - collector emitter breakdown: 40 V

Request a quote on any onsemi 2N39 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the onsemi onsemi 2N39 Series variants differ?: onsemi 2N39 Series part numbers differ by case, frequency, operating temperature and package. Use the selection guide above to pick by case.
How many onsemi onsemi 2N39 Series part numbers are listed?: 5 onsemi onsemi 2N39 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for onsemi onsemi 2N39 Series?: Request a quote (RFQ) for any onsemi 2N39 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.