Lifecycle Status  

Production (Last Updated: 2 months ago)

Surface Mount  

YES

Mounting Type  

Surface Mount

Package / Case  

-

Mount  

Surface Mount

Number of Pins  

3

Supplier Device Package  

UB

Number of Terminals  

3

Transistor Element Material  

SILICON

Manufacturer Part Number  

2N4449UB

Rohs Code  

No

Part Life Cycle Code  

Active

Ihs Manufacturer  

MICROSEMI CORP

Package Description  

SURFACE MOUNT PACKAGE-3

Risk Rank  

5.2

Number of Elements  

1

Operating Temperature-Max  

200 °C

Package Body Material  

CERAMIC, METAL-SEALED COFIRED

Package Shape  

RECTANGULAR

Package Style  

SMALL OUTLINE

Reflow Temperature-Max (s)  

NOT SPECIFIED

Turn-off Time-Max (toff)  

18 ns

Turn-on Time-Max (ton)  

12 ns

Package  

Bulk

Base Product Number  

2N4449

Mfr  

Microchip Technology

Product Status  

Active

RoHS  

Compliant

Operating Temperature  

-65°C ~ 200°C (TJ)

Series  

Military, MIL-PRF-19500/317

JESD-609 Code  

e0

Pbfree Code  

No

Terminal Finish  

TIN LEAD

Max Operating Temperature  

200 °C

Min Operating Temperature  

-65 °C

HTS Code  

8541.21.00.95

Max Power Dissipation  

400 mW

Technology  

Si

Terminal Position  

DUAL

Terminal Form  

NO LEAD

Peak Reflow Temperature (Cel)  

NOT SPECIFIED

Reach Compliance Code  

unknown

Pin Count  

3

JESD-30 Code  

R-CDSO-N3

Qualification Status  

Not Qualified

Configuration  

SINGLE

Power - Max  

360 mW

Transistor Application  

SWITCHING

Polarity/Channel Type  

NPN

Transistor Type  

NPN

Collector Emitter Voltage (VCEO)  

20 V

DC Current Gain (hFE) (Min) @ Ic, Vce  

20 @ 100mA, 1V

Current - Collector Cutoff (Max)  

400nA

Vce Saturation (Max) @ Ib, Ic  

450mV @ 10mA, 100mA

Voltage - Collector Emitter Breakdown (Max)  

20 V

Frequency - Transition  

-

Collector Base Voltage (VCBO)  

40 V

Power Dissipation-Max (Abs)  

1.4 W

DC Current Gain-Min (hFE)  

20

Collector-Emitter Voltage-Max  

20 V

Radiation Hardening  

No