RoHS

PMMT491ACOMPLIANTNPN TransistorFeatures● Epoxy meets UL-94 V-0 flammability rating● Halogen free available upon request by adding suffix ”HF”
● Moisture Sensitivity Level 1● High Conductance● Surface mount package ideally Suited for AutomaticInsertion

Mechanical Data

● Package: SOT-23
Molding compound meets UL 94 V-0 flammability rating,
RoHS-compliant, halogen-free● Terminals: Tin plated leads, solderable per
J-STD-002 and JESD22-B102● Marking: 9A■ Maximum Ratings (Ta=25℃ unless otherwise noted)
ItemSymbolUnitValue

Collector-Base Voltage

VCBO

V

40Collector-Emitter Voltage

VCEO

V

40

Emitter-Base Voltage

VEBO

V

5Collector Current

ICA

1Collector Power DissipationPcmW

300

Junction Temperature

Tj℃

150

Storage Temperature

Tstg℃-55 to +150

■ Ordering Information (Example)
PREFERED P/N

PACKINGCODE

UNIT WEIGHT(g)MINIMUM
PACKAGE(pcs)

INNER BOXQUANTITY(pcs)

OUTER CARTONQUANTITY(pcs)

DELIVERY MODE

PMMT491A

F2

Approximate 0.008

3000

30000

120000

7” reel

1/5
S-S3297
Rev.1.2,04-Nov-22

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.comPMMT491A■ Electrical Characteristics (Ta=25℃ unless otherwise noted)
Item

SymbolUnit

Collector-base breakdown voltage

VCBOV

IC=10uA,IE=040

Collector-emitter breakdown voltage

VCEO*

V

IC=1mA,IB=040

Emitter-base breakdown voltage

VEBO

V

IE=10μA,IC=05

Collector-emitter cut-off current

ICEO

nA

VCE=30V, IB =0100

Collector-base cut-off current

ICBO

nA

VCB=30V, IE =0100

Emitter-base cut-off current

IEBO

nA

VEB=5 V, IC =0100

DC current gainConditions

MinhFE

VCE= 5V,IC= 1mA300hFE

VCE= 5V,IC= 500mA

300hFE

VCE= 5V,IC= 1A

200

TypMax

900

VCE(sat)V

IC=100mA,IB=1mA

0.2

VCE(sat)

V

IC=500mA,IB=50mA

0.3

VCE(sat)V

IC=1A,IB=100mA

0.5

Base-emitter saturation voltage

VBE(sat)V

IC=1A,IB=100mA

1.2

Base-emitter voltage

VBE

V

VCE= 5V,IC= 1A

1.1

Collector-base output capacitance

CobpF

VCB=10V,f=1MHz

10Transition frequency

fT

MHz

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

Collector-emitter saturation voltage

150■ Characteristics (Typical)

2/5
S-S3297
Rev.1.2,04-Nov-22

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

PMMT491A

3/5
S-S3297
Rev.1.2,04-Nov-22

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

PMMT491A■SOT-23 Package Outline Dimensions■SOT-23 Soldering Footprint

4/5
S-S3297
Rev.1.2,04-Nov-22

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

PMMT491ADisclaimer
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.

5/5S-S3297
Rev.1.2,04-Nov-22

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com