There are no models available for this part yet.
Overview of BF491 by Motorola Mobility LLC
Note: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
- Distributor Offerings: ( 0 listings )
- Number of FFF Equivalents: ( 7 replacements )
- CAD Models: ( Request Part )
- Number of Functional Equivalents: ( 10 options )
- Part Data Attributes ( Available )
- Reference Designs: ( Not Available )
Where used in Applications:
Industrial Automation
Motor control systems
CAD Models for BF491 by Motorola Mobility LLC
Part Data Attributes for BF491 by Motorola Mobility LLC
|
|
|
|---|---|
|
Rohs Code
|
No
|
|
Part Life Cycle Code
|
Obsolete
|
|
Ihs Manufacturer
|
MOTOROLA INC
|
|
Package Description
|
CYLINDRICAL, O-PBCY-W3
|
|
Reach Compliance Code
|
unknown
|
|
ECCN Code
|
EAR99
|
|
HTS Code
|
8541.29.00.75
|
|
Collector Current-Max (IC)
|
0.5 A
|
|
Collector-Base Capacitance-Max
|
1.6 pF
|
|
Collector-Emitter Voltage-Max
|
200 V
|
|
Configuration
|
SINGLE
|
|
DC Current Gain-Min (hFE)
|
40
|
|
JEDEC-95 Code
|
TO-92
|
|
JESD-30 Code
|
O-PBCY-W3
|
|
JESD-609 Code
|
e0
|
|
Number of Elements
|
1
|
|
Number of Terminals
|
3
|
|
Operating Temperature-Max
|
150 °C
|
|
Package Body Material
|
PLASTIC/EPOXY
|
|
Package Shape
|
ROUND
|
|
Package Style
|
CYLINDRICAL
|
|
Polarity/Channel Type
|
PNP
|
|
Power Dissipation Ambient-Max
|
1.5 W
|
|
Power Dissipation-Max (Abs)
|
0.625 W
|
|
Qualification Status
|
Not Qualified
|
|
Surface Mount
|
NO
|
|
Terminal Finish
|
TIN LEAD
|
|
Terminal Form
|
WIRE
|
|
Terminal Position
|
BOTTOM
|
|
Transistor Element Material
|
SILICON
|
|
Transition Frequency-Nom (fT)
|
50 MHz
|
|
VCEsat-Max
|
2 V
|
Alternate Parts for BF491
This table gives cross-reference parts and alternative options found for BF491. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of BF491, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Description | Manufacturer | Compare |
|---|---|---|---|
| BF491 | Small Signal Bipolar Transistor | Plessey Semiconductors Ltd | BF491 vs BF491 |
| BF491STOA | Small Signal Bipolar Transistor, 0.5A I(C), 200V V(BR)CEO, 1-Element, PNP, Silicon, PLASTIC, TO-92 COMPATIBLE, E-LINE PACKAGE-3 | Zetex / Diodes Inc | BF491 vs BF491STOA |
| BF491STOB | Small Signal Bipolar Transistor, 0.5A I(C), 200V V(BR)CEO, 1-Element, PNP, Silicon, PLASTIC, TO-92 COMPATIBLE, E-LINE PACKAGE-3 | Zetex / Diodes Inc | BF491 vs BF491STOB |
| BF491L | Small Signal Bipolar Transistor, 0.5A I(C), 200V V(BR)CEO, 1-Element, PNP, Silicon, PLASTIC, TO-92 COMPATIBLE, E-LINE PACKAGE-3 | Zetex / Diodes Inc | BF491 vs BF491L |
| BF491 | 500mA, 200V, PNP, Si, SMALL SIGNAL TRANSISTOR, PLASTIC, TO-92 COMPATIBLE, E-LINE PACKAGE-3 | Diodes Incorporated | BF491 vs BF491 |
| BF491 | Small Signal Bipolar Transistor, 0.5A I(C), 200V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 | Continental Device India Ltd | BF491 vs BF491 |
| BF491STOA | 500mA, 200V, PNP, Si, SMALL SIGNAL TRANSISTOR, PLASTIC, TO-92 COMPATIBLE, E-LINE PACKAGE-3 | Diodes Incorporated | BF491 vs BF491STOA |