2SA1978 Datasheet and Replacement

DATA SHEETPRELIMINARY DATA SHEETSilicon Transistor2SA1978PNP EPITAXIAL SILICON TRANSISTORMICROWAVE AMPLIFIERFEATURES PACKAGE DIMENSIONSHigh f (in milimeters)T_2.8+0.2f = 5.5 GHz TYP.T+0.1| S | 2 = 10.0 dB TYP. @f = 1.0 GHz, V = -10 V, I = -15 mA 1.5 0.65 0.1521e CE CHigh speed switching characteristicsEquivalent NPN transistor is the 2SC2

Ordering number:ENN5613PNP/NPN Epitaxial Planar Silicon Transistors2SA1973/2SC5310DC/DC Converter ApplicationsFeatures Package Dimensions Adoption of FBET, MBIT processes.unit:mm Large current capacitance.2018B Low collector-to-emitter saturation voltage.[2SA1973/2SC5310] High-speed switching.0.4 Ultrasmall package facilitates miniaturization in end 0.16

DATA SHEETPRELIMINARY DATA SHEETSilicon Transistor2SA1977PNP EPITAXIAL SILICON TRANSISTORMICROWAVE AMPLIFIERFEATURES PACKAGE DIMENSION (in millimeters)_ 2.8+0.2High fT+0.1f = 8.5 GHz TYP.T1.5 0.65 0.15High gain| S | 2 = 12.0 dB TYP. @f = 1.0 GHz, V = -8 V, I = -20 mA21e CE CHigh-speed switching characterstics2Equivalent NPN transistor

2SA1979UFPNP Silicon TransistorDescription PIN Connection Medium power amplifier 3 Features Large collector current : IC=-500mA 1 Suitable for low-Voltage operation 2because of its low saturation voltage Complementary pair with 2SC5342UF SOT-323F Ordering Information Type NO. Marking Package Code A 2SA1979UF SOT-323F Dev

2SA1979S PNP Silicon Transistor MEDIUM POWER AMPLIFIER CFeatures Large collector current : I =-500mA CMaxBC Suitable for low-Voltage operation because of its low saturation voltage B Complementary pair with 2SC5342S E EOrdering Information SOT-23 Part Number Marking Package AA 2SA1979S SOT-23 * Device Code

2SA1979UPNP Silicon TransistorDescription PIN Connection Medium power amplifier Features 3 Large collector current : ICMax=-500mA Suitable for low-Voltage operation 1 2because of its low saturation voltage Complementary pair with 2SC5342U SOT-323 Ordering Information Type NO. Marking Package Code A 2SA1979U SOT-323

2SA1979NSemiconductor Semiconductor PNP Silicon TransistorDescription Medium power amplifier Features Large collector current : IC = -500mA Low collector saturation voltage enabling low-voltage operation : VCE(sat) = -0.25 Max. Complementary pair with 2SC5342N Ordering Information Type NO. Marking Package Code 2SA1979N A1979 TO-92N Outline Dimensio

2SA1979MSemiconductor Semiconductor PNP Silicon TransistorDescription Medium power amplifier Features Large collector current : ICMax=-500mA Suitable for low-Voltage operation because of its low saturation voltage Complementary pair with 2SC5342M Ordering Information Type NO. Marking Package Code 2SA1979M 1979 TO-92M Outline Dimensions unit : mm

2SA1979Semiconductor Semiconductor PNP Silicon TransistorDescription PIN Connection Medium power amplifier EFeatures B Large collector current : ICMax=-500mA Suitable for low-Voltage operation because of its low saturation voltage C Complementary pair with 2SC5342 TO-92 Ordering Information Type NO. Marking Package Code 2SA1979 A1979 TO-92

2SA1979SFPNP Silicon TransistorDescription PIN Connection Medium power amplifier 3 Features Large collector current : ICMax=-500mA 1 Suitable for low-Voltage operation because of its low saturation voltage 2 Complementary pair with 2SC5342SF SOT-23F Ordering Information Type NO. Marking Package Code AA 2SA1979SF SOT-23F

SMD Type TransistorsPNP Transistors2SA1979UF Features Large collector current : ICMax=-500mA Complements to 2SC5342UF1 Base2 Emitter3 Collector Absolute Maximum Ratings Ta = 25Parameter Symbol Rating Unit Collector - Base Voltage VCBO -40 Collector - Emitter Voltage VCEO -32 V Emitter - Base Voltage VEBO -5 Collector Current - Continuous IC -500 mA

SMD Type TransistorsPNP Transistors2SA1971SOT-89Unit:mm1.70 0.1 Features Collector Current Capability IC=-0.5A Collector Emitter Voltage VCEO=-400V0.42 0.10.46 0.1 Marking: A*L1.Base2.Collector3.Emitter Absolute Maximum Ratings Ta = 25Parameter Symbol Rating Unit Collector - Base Voltage VCBO -400 Collector - Emitter Voltage VCEO -400 V