FMMT491

RoHS
COMPLIANTNPN General Purpose AmplifierFeatures● We declare that the material of product compliancewith RoHS requirements and Halogen Free
● Surface mount package ideally suited for automaticinsertion● Moisture Sensitivity Level 1● Low equivalent on-resisitanceMechanical Data

● Package: SOT-23● Terminals: Tin plated leads, solderable per
J-STD-002 and JESD22-B102● Marking: 491■ Equivalent Circuit

1/6
S-S4344
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Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

RoHSFMMT491

COMPLIANT■ Maximum Ratings (Ta=25℃ Unless otherwise specified)
Item

SymbolUnitConditions

Value

Collector-Base Voltage

VCBO

V

IC=100μA,IE=080

Collector-Emitter Voltage

VCEO

V

IC =10mA,IB=060

Emitter-Base Voltage

VEBO

V

IE=100μA,IC=05

Collector Current

ICA

1Collector Power Dissipation

PC

mW

300

Thermal Resistance From Junction to Ambient

RθJA

Operation Junction Temperature

TJ℃

150

Storage Temperature

TSTG℃-55 to +150

417

■ Electrical Characteristics（Ta=25℃ Unless otherwise specified）
Item

SymbolUnitConditions

MinCollector-base breakdown voltage

V(BR)CBOVIC=100μA,IE=080

Collector-emitter breakdown voltage

V(BR)CEOVIC =10mA,IB=060

Emitter-base breakdown voltage

V(BR)EBOV

IE=100μA,IC=05Collector-Base cut-off current

ICBOuA

VCB=60 V ,IE=00.1

Emitter-Base cut-off current

IEBO

uA

VEB=4 V , IC=00.1

hFE1

VCE=5V,IC=1mA

100hFE2

VCE=5V,IC=500mA

100hFE3

VCE=5V,IC=1A

80hFE4

VCE=5V,IC=2A

30TypeMax

300

DC current gainCollector-emitter saturation voltage

V

IC=500mA,IB=50mA

0.25

V

IC=1A,IB=100mA

0.5

VCE(sat)Base-emitter saturation voltage

VBE(sat)V

IC=1A,IB=100mA

1.1

Base-emitter voltage

VBEV

VCE=5V,IC=1A

1Transition frequency

fTMHz

VCE=10V, IC=50mA,f=100MHz

Collector-Base Output Capacitance

CobpF

VCB=10V ,IE=0, f=1MHz

150
10

2/6
S-S4344
Rev.1.0,22-Feb-22

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

FMMT491

RoHS
COMPLIANT■ Electrical Characteristics (Typical)

3/6
S-S4344
Rev.1.0,22-Feb-22

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

RoHS

FMMT491

COMPLIANT■ Ordering Information (Example)
PREFERED P/N

PACKINGCODE

UNIT WEIGHT(g)MINIMUM
PACKAGE(pcs)

INNER BOXQUANTITY(pcs)

OUTER CARTONQUANTITY(pcs)

DELIVERY
MODE

FMMT491

F2Approximate 0.008

300030000

120000

7” reel■SOT-23 Package Outline Dimensions

4/6
S-S4344
Rev.1.0,22-Feb-22

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

FMMT491

RoHS
COMPLIANT■SOT-23 Soldering Footprint

5/6
S-S4344
Rev.1.0,22-Feb-22

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

FMMT491

RoHS
COMPLIANT

Disclaimer
The information presented in this document is for reference only. Yangzhou Yangjie Electronic Technology Co., Ltd. reserves theright to make changes without notice for the specification of the products displayed herein to improve reliability, function or design
or otherwise.
The product listed herein is designed to be used with ordinary electronic equipment or devices, and not designed to be used withequipment or devices which require high level of reliability and the malfunction of with would directly endanger human life (such as
medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safetydevices), Yangjie or anyone on its behalf, assumes no responsibility or liability for any damages resulting from such improper useof sale.
This publication supersedes & replaces all information previously supplied. For additional information, please visit our website
http:// www.21yangjie.com , or consult your nearest Yangjie’s sales office for further assistance.

6/6
S-S4344
Rev.1.0,22-Feb-22

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com