FMMT491A Specs and Replacement
Type Designator: FMMT491A
SMD Transistor Code: 41A_49A
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 0.5 W
Maximum Collector-Base Voltage |Vcb|: 40 V
Maximum Collector-Emitter Voltage |Vce|: 40 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 1 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Transition Frequency (ft): 150 MHz
Collector Capacitance (Cc): 10 pF
Forward Current Transfer Ratio (hFE), MIN: 200
Noise Figure, dB: -
Package: TO236
- BJT ⓘ Cross-Reference Search
FMMT491A datasheet
..1. Size:493K diodes
fmmt491a.pdf 
FMMT491A 40V NPN SILICON PLANAR MEDIUM POWER TRANSISTOR IN SOT23 Feature Mechanical Data BVCEO > 40V Case SOT23 Case Material Molded Plastic, Green Molding Compound IC = 1A Continuous Collector Current UL Flammability Classification Rating 94V-0 ICM = 2A Peak Pulse Current Moisture Sensitivity Level 1 per J-STD-020 RCE(sat) = 195m for a ... See More ⇒
7.1. Size:359K diodes
fmmt491q.pdf
FMMT491Q 60V NPN MEDIUM POWER TRANSISTOR IN SOT23 Description Mechanical Data This Bipolar Junction Transistor (BJT) is designed to meet the Case SOT23 stringent requirements of automotive applications. Case Material Molded Plastic, Green Molding Compound. UL Flammability Classification Rating 94V-0 Moisture Sensitivity Level 1 per J-STD-020 Feature Term... See More ⇒
7.2. Size:387K diodes
fmmt491.pdf
A Product Line of Diodes Incorporated FMMT491 60V NPN MEDIUM POWER TRANSISTOR IN SOT23 Feature Mechanical Data BVCEO > 60V Case SOT23 IC = 1A Continuous Collector Current Case Material Molded plastic, Green Molding Compound ICM = 2A Peak Pulse Current UL Flammability Classification Rating 94V-0 RCE(sat) = 195m for a Low Equivalent On-Resistance... See More ⇒
7.4. Size:708K jiangsu
ad-fmmt491.pdf
www.jscj-elec.com AD-FMMT491 JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD. AD-FMMT491 Plastic-Encapsulated Transistor AD-FMMT491 Transistor (NPN) FEATURES Low equivalent on-resistance AEC-Q101 qualified MARKING 491 MAXIMUM RATINGS (T = 25 C unless otherwise specified) j Parameter Symbol Value Unit Collector-base voltage V 80 V CBO Collector-emitter vo... See More ⇒
7.5. Size:3320K jiangsu
fmmt491.pdf
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOT-23 Plastic-Encapsulate Transistors SOT-23 FMMT491 TRANSISTOR (NPN) FEATURES 1. BASE Low equivalent on-resistance 2. EMITTER 3. COLLECTOR Marking 491 MAXIMUM RATINGS(Ta=25 unless otherwise noted) Symbol Parameter Value Unit VCBO Collector-Base Voltage 80 V VCEO Collector-Emitter Voltage 60 V VEBO Emitter-Ba... See More ⇒
7.6. Size:613K htsemi
fmmt491.pdf
FMMT491 TRANSISTOR (NPN) SOT-23 FEATURES Low equivalent on-resistance 1. BASE 2. EMITTER 3. COLLECTOR Marking 491 MAXIMUM RATINGS(TA=25 unless otherwise noted) Symbol Parameter Value Units VCBO Collector-Base Voltage 80 V VCEO Collector-Emitter Voltage 60 V VEBO Emitter-Base Voltage 5 V IC Collector Current -Continuous 1 A PC Collector Power Dissipation 250 mW... See More ⇒
7.7. Size:199K lge
fmmt491.pdf
FMMT491 SOT-23 Transistor(NPN) SOT-23 1. BASE 2. EMITTER 3. COLLECTOR Features Low equivalent on-resistance Marking 491 MAXIMUM RATINGS(TA=25 unless otherwise noted) Symbol Parameter Value Units Dimensions in inches and (millimeters) VCBO Collector-Base Voltage 80 V VCEO Collector-Emitter Voltage 60 V VEBO Emitter-Base Voltage 5 V IC Collector Current -Continuous... See More ⇒
7.8. Size:379K wietron
fmmt491.pdf
FMMT491 COLLECTOR 3 General Purpose Transistor NPN Silicon 3 P b Lead(Pb)-Free 1 1 BASE 2 SOT-23 2 EMITTER Maximum Ratings Rating Symbol Value Unit Collector-Base Breakdown Voltage V(BR)CEO 60 V Collector-Emitter Breakdown Voltage V(BR)CBO 80 V Emitter-Base Breakdown Voltage V(BR)EBO V 5.0 Collector Current IC A 1.0 Peak Pulse Current ICm A 2.0 Power Dissipat... See More ⇒
7.9. Size:487K first silicon
fmmt491.pdf
SEMICONDUCTOR FMMT491 TECHNICAL DATA FMMT491 TRANSISTOR (NPN) FEATURES Low equivalent on-resistance 3 Marking 491 2 MAXIMUM RATINGS (Ta=25 unless otherwise noted) 1 Symbol Parameter Value Unit V Collector-Base Voltage 80 V CBO SOT 23 V Collector-Emitter Voltage 60 V CEO VEBO Emitter-Base Voltage 5 V COLLECTOR IC Collector Current 1 A 3 ICM Peak Pulse Current... See More ⇒
7.10. Size:1401K kexin
fmmt491.pdf
SMD Type Transistors NPN Transistors FMMT491 (KMMT491) SOT-23 Unit mm +0.1 2.9 -0.1 +0.1 0.4 -0.1 3 Features VCE(sat) maximum specification improvement Reverse blocking specification improvement 1 2 +0.1 +0.05 0.95-0.1 0.1-0.01 +0.1 1.9-0.1 C 1.Base 2.Emitter B 3.collector E Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Collector... See More ⇒
7.11. Size:1576K slkor
fmmt491.pdf
FMMT491 NPN Silicon Epitaxial Planar Transistor Features SOT-23 Low equivalent on-resistance Be complementaty with FMMT591 1.Base 2.Emitter 3.Collector Absolute Maximum Ratings Ratings at 25 ambient temperature unless otherwise specified. Parameter Symbol Value Unit Collector Base Voltage V 80 V CBO Collector Emitter Voltage V 60 V CEO Emitter Base Voltage V 5 V ... See More ⇒
7.12. Size:1235K pjsemi
fmmt491.pdf
FMMT491 NPN Transistor Features Low equivalent on-resistance SOT-23 (TO-236) Be complementaty with FMMT591 1.Base 2.Emitter 3.Collector Marking 491 Absolute Maximum Ratings Ratings at 25 ambient temperature unless otherwise specified. Parameter Symbol Value Unit Collector Base Voltage V 80 V CBO Collector Emitter Voltage V 60 V CEO Emitter Base Voltage V 5 V ... See More ⇒
Detailed specifications: FMMT458, FMMT4888, FMMT4889, FMMT489, FMMT4890, FMMT491, FMMT4916, FMMT4917, 2SC1815, FMMT493, FMMT494, FMMT495, FMMT4964, FMMT497, FMMT5087, FMMT5087R, FMMT5088
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