RoHSMMSTA55 THRU MMSTA56COMPLIANTPNP General Purpose AmplifierFeatures●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 Automatic
Insertion

Mechanical Data

● Package: SOT-323
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:MMSTA55
MMSTA56

2H2GM■Maximum Ratings (Ta=25℃ unless otherwise noted)
Item

SymbolRatingUnit

MMSTA55
MMSTA56-60-80

V

MMSTA55
MMSTA56-60-80

V

VCBO
Collector-Base Voltage
Collector-Emitter Voltage

VCEO

Emitter-Base Voltage

VEBO-4VCollector Current

IC-500mA

Collector Power Dissipation

PC

200mW

Operation Junction Temperature

Tj

150℃

Storage Temperature

Tstg-55 to +150℃

1/5
S-S3003
Rev.1.0,24-Apr-20

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

RoHS

MMSTA55 THRU MMSTA56COMPLIANT■Electrical Characteristics（Ta=25℃ Unless otherwise specified）
Item

SymbolUnit

Conditions

Min

Collector-base breakdown voltage

VCBO

V

Collector-emitter breakdown voltage

VCEO

V

Emitter-base breakdown voltage

VEBO

V

IE=-100μA,IC=0

Collector-base cut-off current

ICBOμA

VCB=-60V,IE=0,
VCB=-80V,IE=0,

Collector-emitter cut-off current

ICESμA

VCE=-60V, IB=0V,-0.1

Emitter-base cut-off current

IEBO

uA

VEB=-4V,IC=0-0.1

IC=-100μA,IE=0
MMSTA55
MMSTA56

Max-60-80

IC =-1mA,IB=0
MMSTA55
MMSTA56-60-80-4

MMSTA55
MMSTA56-0.1-0.1hFE

VCE=-1V,IC=-10mA

100hFE

VCE=-1V,IC=-100mA

100

DC current gainCollector-emitter saturation voltage

VCE(sat)V

IC=-100mA,IB=-10mA-0.25

Base-emitter saturation voltage

VBE(sat)*V

IC=-100mA, IB=-10mA-1.2■Other Characteristics（Ta=25℃ Unless otherwise specified）
Item
Transition frequency

SymbolUnit

fTMHzConditions

Min

VCE=-20V,IC=-10mA,f=100MHz

Max

100

■Ordering Information (Example)
PREFERED P/N
MMSTA55
MMSTA56

PACKINGCODE

UNIT WEIGHT(g)MINIMUM
PACKAGE(pcs)

INNER BOXQUANTITY(pcs)

OUTER CARTONQUANTITY(pcs)

DELIVERY MODE

F2Approximate 0.005

3000

30000

1200007” reel

2/5
S-S3003
Rev.1.0,24-Apr-20

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

MMSTA55 THRU MMSTA56

RoHSCOMPLIANT■Characteristics(Typical)

3/5
S-S3003
Rev.1.0,24-Apr-20

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

MMSTA55 THRU MMSTA56

RoHSCOMPLIANT■ SOT-323 Package Outline Dimensions■ SOT-323 Soldering Footprint

4/5
S-S3003
Rev.1.0,24-Apr-20

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

MMSTA55 THRU MMSTA56RoHSCOMPLIANTDisclaimer
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 designor 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.

5/5
S-S3003
Rev.1.0,24-Apr-20

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com