KSA1281 Specs and Replacement
Type Designator: KSA1281
Material of Transistor: Si
Polarity: PNP
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 1 W
Maximum Collector-Base Voltage |Vcb|: 50 V
Maximum Collector-Emitter Voltage |Vce|: 50 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 2 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Transition Frequency (ft): 100 MHz
Collector Capacitance (Cc): 40 pF
Forward Current Transfer Ratio (hFE), MIN: 70
Noise Figure, dB: -
Package: TO-92L
- BJT ⓘ Cross-Reference Search
KSA1281 datasheet
..1. Size:163K fairchild semi
ksa1281.pdf 

January 2009 KSA1281 Audio Power Amplifier Collector Power Dissipation PC=1W 3 Watt Output Application TO-92L 1 1. Emitter 2. Collector 3. Base Absolute Maximum Ratings* Ta=25 C unless otherwise noted Symbol Parameter Value Units VCBO Collector-Base Voltage -50 V VCEO Collector-Emitter Voltage -50 V VEBO Emitter-Base Voltage -5 V IC Collector Current (DC) -2 A PC Collec... See More ⇒
9.1. Size:425K fairchild semi
ksa1201.pdf 

July 2005 KSA1201 PNP Epitaxial Silicon Transistor Power Amplifier Collector-Emitter Voltage VCEO= -120V fT=120MHz Collector Power Dissipation PC=1 2W Mounted on Ceramic Board Complement to KSC2881 Marking 1 2 0 1 P Y W W SOT-89 1 Weekly code 1. Base 2. Collector 3. Emitter Year code hFE grage Absolute Maximum Ratings Ta = 25 C unless otherwise noted Symbo... See More ⇒
9.2. Size:39K fairchild semi
ksa1244.pdf 

KSA1244 High Current Switching Low Collector-Emitter Saturation Voltage Complement to KSC3074 1 I-PACK 1. Base 2. Collector 3. Emitter PNP Epitaxial Silicon Transistor Absolute Maximum Ratings TC=25 C unless otherwise noted Symbol Parameter Ratings Units VCBO Collector-Base Voltage - 60 V VCEO Collector-Emitter Voltage - 50 V VEBO Emitter-Base Voltage - 5 V IB Base Curren... See More ⇒
9.3. Size:76K fairchild semi
ksa1220-a.pdf 

KSA1220/1220A Audio Frequency Power Amplifier High Frequency Power Amplifier Complement to KSC2690/KSC2690A TO-126 1 1. Emitter 2.Collector 3.Base PNP Epitaxial Silicon Transistor Absolute Maximum Ratings TC=25 C unless otherwise noted Symbol Parameter Ratings Units VCBO Collector-Base Voltage KSA1220 - 120 V KSA1220A - 160 V VCEO Collector-Emitter Voltage KSA1220 - 120... See More ⇒
9.4. Size:44K fairchild semi
ksa1298.pdf 

KSA1298 Low Frequency Power Amplifier 3 Complement to KSC3265 2 SOT-23 1 1. Base 2. Emitter 3. Collector PNP Epitaxial Silicon Transistor Absolute Maximum Ratings Ta=25 C unless otherwise noted Symbol Parameter Ratings Units VCBO Collector-Base Voltage -30 V VCEO Collector-Emitter Voltage -25 V VEBO Emitter-Base Voltage -5 V IC Collector Current -800 mA IB Base Current -160 ... See More ⇒
9.5. Size:427K fairchild semi
ksa1203.pdf 

July 2005 KSA1203 PNP Epitaxial Silicon Transistor Low Frequency Power Amplifier 3W Output application Collector Power Dissipation PC=1 2W Mounted on Ceramic Board Complement to KSC2883 Marking 1 2 0 3 P Y W W SOT-89 1 Weekly code 1. Base 2. Collector 3. Emitter Year code hFE grage Absolute Maximum Ratings Ta = 25 C unless otherwise noted Symbol Parameter Ratings... See More ⇒
9.6. Size:39K fairchild semi
ksa1243.pdf 

KSA1243 Power Amplifier Applications Complement to KSC3073 1 I-PACK 1. Base 2. Collector 3. Emitter PNP Epitaxial Silicon Transistor Absolute Maximum Ratings TC=25 C unless otherwise noted Symbol Parameter Ratings Units VCBO Collector-Base Voltage - 30 V VCEO Collector-Emitter Voltage - 30 V VEBO Emitter-Base Voltage - 5 V IB Base Current - 0.6 A IC Collector Current - 3 A P... See More ⇒
9.7. Size:19K samsung
ksa1298.pdf 

KSA1298 PNP EPITAXIAL SILICON TRANSISTOR LOW FREQUENCY POWER STO-23 Complement to KSC3265 ABSOLUTE MAXIMUM RATINGS (T =25 ) A Characteristic Symbol Rating Unit Collector-Base Voltage VCBO -30 V Collector-Emitter Voltage VCEO -25 V Emitter-Base Voltage VEBO -5 V Collector Current IC -800 mA Base Current IB -160 mA Collector Dissipation PC 200 mW Junction Temperature TJ 150 Sto... See More ⇒
9.8. Size:162K onsemi
ksa1298.pdf 

Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com Please note As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclatur... See More ⇒
9.9. Size:193K onsemi
ksa1220 ksa1220a.pdf 

Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com Please note As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclatur... See More ⇒
9.10. Size:186K lge
ksa1220-ksa1220a.pdf 

KSA1220/1220A(PNP) TO-126 Transistor TO-126 1. EMITTER 2. COLLECTOR 3. BASE 3 2 1 Features Audio frequency power amplifier High frequency power amplifier Complement to KSC2690/KSC2690A MAXIMUM RATINGS (TA=25 unless otherwise noted) Dimensions in inches and (millimeters) 2.500 7.400 2.900 1.100 7.800 1.500 Symbol Parameter Value Units 3.900 3.000... See More ⇒
Detailed specifications: FSB660A, FSB6726, FSB749, FSBCW30, FTM3725, FZT3019, KSA1015, KSA1203, 2SC5200, KSA1625, KSB1116S, KSB798, KSC1815, KSC2001, KSC2330A, KSC2784, KSC2881
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