2SA1943 PDF and Equivalents Search

 

2SA1943 Specs and Replacement

The 2SA1943 is a PNP power bipolar junction transistor widely used in high-fidelity audio amplifiers. Built for high current handling, it provides a collector current up to 15A and a collector-emitter voltage rating of 230V, making it suitable for robust output stages. Its complementary pair is the 2SC5200 NPN transistor. The device offers good linearity, low distortion, efficient heat dissipation when mounted on an adequate heatsink. With high gain bandwidth and reliable thermal stability, the 2SA1943 remains a standard choice for Class-AB audio power designs.


   Type Designator: 2SA1943
   Material of Transistor: Si
   Polarity: PNP

Absolute Maximum Ratings


   Maximum Collector Power Dissipation (Pc): 150 W
   Maximum Collector-Base Voltage |Vcb|: 230 V
   Maximum Collector-Emitter Voltage |Vce|: 230 V
   Maximum Emitter-Base Voltage |Veb|: 5 V
   Maximum Collector Current |Ic max|: 15 A
   Max. Operating Junction Temperature (Tj): 150 °C

Electrical Characteristics


   Transition Frequency (ft): 30 MHz
   Collector Capacitance (Cc): 360 pF
   Forward Current Transfer Ratio (hFE), MIN: 55
   Noise Figure, dB: -
   Package: TO264
 

 2SA1943 Substitution

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2SA1943 datasheet

 ..1. Size:133K  toshiba
2sa1943.pdf pdf_icon

2SA1943

2SA1943 TOSHIBA Transistor Silicon PNP Triple Diffused Type 2SA1943 Power Amplifier Applications Unit mm High collector voltage VCEO = -230 V (min) Complementary to 2SC5200 Recommended for 100-W high-fidelity audio frequency amplifier output stage. Absolute Maximum Ratings (Ta = 25 C) Characteristics Symbol Rating Unit Collector-base voltage VCBO -230 V Coll... See More ⇒

 ..2. Size:487K  fairchild semi
2sa1943 fjl4215.pdf pdf_icon

2SA1943

January 2009 2SA1943/FJL4215 PNP Epitaxial Silicon Transistor Applications High-Fidelity Audio Output Amplifier General Purpose Power Amplifier Features High Current Capability IC = -17A. High Power Dissipation 150watts. TO-264 1 High Frequency 30MHz. 1.Base 2.Collector 3.Emitter High Voltage VCEO= -250V Wide S.O.A for reliable operation. Ex... See More ⇒

 ..3. Size:182K  utc
2sa1943.pdf pdf_icon

2SA1943

UNISONIC TECHNOLOGIES CO., LTD 2SA1943 PNP SILICON TRANSISTOR POWER AMPLIFIER APPLICATIONS FEATURES * Complementary to UTC 2SC5200 * Recommended for 100W High Fidelity Audio Frequency Amplifier Output Stage 1 TO-3PL ORDERING INFORMATION Ordering Number Pin Assignment Package Packing Lead Free Halogen Free 1 2 3 2SA1943L-x-T3L-T 2SA1943G-x-T3L-T TO-3PL B C E Tube 2SA... See More ⇒

 ..4. Size:198K  jmnic
2sa1943.pdf pdf_icon

2SA1943

JMnic Product Specification Silicon PNP Power Transistors 2SA1943 DESCRIPTION With TO-3PL package Complement to type 2SC5200 APPLICATIONS Power amplifier applications Recommended for 100W high fidelity audio frequency amplifier output stage PINNING PIN DESCRIPTION 1 Emitter Collector;connected to 2 mounting base Fig.1 simplified outline (TO-3PL) and symbol ... See More ⇒

Detailed specifications: ZXTP2027F , ZXTP2029F , ZXTP2039F , ZXTP25060BFH , ZXTP25100BFH , ZXTP25100CFH , ZXTP25100CZ , ZXTP722MA , D209L , 2SC5200 , BDW94CF , FJA13009 , FJA4210 , FJA4213 , FJA4310 , FJA4313 , FJB102 .

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