Infineon Technologies AG Datasheets for Bipolar RF Transistors

Bipolar RF transistors consist of an N-type or P-type layer sandwiched between two layers of the opposite type. They are designed to handle high-power radio frequency (RF) signals in devices such as stereo amplifiers, radio transmitters, and television monitors.
Bipolar RF Transistors: Learn more

Product Name	Notes
HiRel Silicon Bipolar Transistor -- BFY181 (P)	HiRel Microwave Transistor Summary of Features Hermetically sealed microwave package fT= 8 GHz F = 2.2 dB at 2 GHz Potential Applications For low noise, high-gain broadband amplifiers at collector...
HiRel Silicon Bipolar Transistor -- BFY181 (ES)	HiRel Microwave Transistor Summary of Features Hermetically sealed microwave package fT= 8 GHz F = 2.2 dB at 2 GHz Type Variant No. 03 ESA Space Qualified ESSCC Detail Spec.
HiRel Silicon Bipolar Transistor -- BFY420 (ES) HiRel Silicon Bipolar Transistor -- BFY420 (P)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor For High Gain Low Noise Amplifiers For Oscillators up to 10 GHz Noise Figure F = 1.1 dB at...
HiRel Silicon Bipolar Transistor -- BFY650B-11 (ES) HiRel Silicon Bipolar Transistor -- BFY650B-11 (P)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor For high power amplifiers Ideal for low phase noise oscilators Maximum available gain: Gma = 19 dB at 1.8...
HiRel Silicon Bipolar Transistor -- BFY405 (ES) HiRel Silicon Bipolar Transistor -- BFY405 (P)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor For Low Current Applications For Oscillators up to 12 GHz Noise Figure F = 1.15 dB at 1.8 GHz...
HiRel Silicon Bipolar Transistor -- BFY196 (ES) HiRel Silicon Bipolar Transistor -- BFY196 (P)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor For low noise, high-gain amplifiers up to 2GHz. For linear broadband amplifiers Hermetically sealed microwave package fT= 6,5 GHz...
HiRel Silicon Bipolar Transistor -- BFY193C (ES) HiRel Silicon Bipolar Transistor -- BFY193C (P)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor For low noise, high-gain amplifiers up to 2GHz. For linear broadband amplifiers Specified 1/f Noise Hermetically sealed microwave package...
HiRel Silicon Bipolar Transistor -- BFY182 (ES) HiRel Silicon Bipolar Transistor -- BFY182 (P)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor For low noise, high-gain broadband amplifiers at collector currents from 1 mA to 20 mA. Hermetically sealed microwave package...
HiRel Silicon Bipolar Transistor -- BFY183 (ES) HiRel Silicon Bipolar Transistor -- BFY183 (P)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor For low noise, high-gain broadband amplifiers at collector currents from 2mA to 30mA. Hermetically sealed microwave package fT= 8...
HiRel Silicon Bipolar Transistor -- BFY450 (ES) HiRel Silicon Bipolar Transistor -- BFY450 (P)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor For Medium Power Amplifiers Compression Point P-1dB =19dBm 1.8 GHz Max. Available Gain Gma = 16dB at 1.8 GHz...
HiRel Silicon Bipolar Transistor -- BFY640-04 (ES) HiRel Silicon Bipolar Transistor -- BFY640-04 (P)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor High gain low noise RF transistor High maximum stable gain: Gms 24dB at 1.8 GHz Noise figure F =...
HiRel Silicon Bipolar Transistor -- BFY740B-01 (ES) HiRel Silicon Bipolar Transistor -- BFY740B-01 (P)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor High gain ultra low noise RF transistor Outstanding noise figure F = 0.7 dB at 1.8 GHz Outstanding noise...
RF - High Reliability Discrete - HiRel Silicon Bipolar Transistor - BFY193F(ES) -- BFY193F(ES) RF - High Reliability Discrete - HiRel Silicon Bipolar Transistor - BFY193F(P) -- BFY193F(P)	HiRel Microwave Transistor Summary of Features For low noise, high-gain amplifiers up to 2GHz For linear broadband amplifiers Specified 1/f Noise Hermetically sealed microwave package fT= 8GHz F = 1.75...
RF - High Reliability Discrete - HiRel Silicon Bipolar Transistor - BFY650B-12(P) -- BFY650B-12(P)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor For high power amplifiers Ideal for low phase noise oscilators Maximum available gain: Gma = 19 dB at 1.8...
RF - High Reliability Discrete - HiRel Silicon Bipolar Transistor - BFY740B-02(ES) -- BFY740B-02(ES)	HiRel Microwave Transistor Summary of Features HiRel Discrete and Microwave Semiconductor High gain ultra low noise RF transistor Outstanding noise figure F = 0.7 dB at 1.8 GHz Outstanding noise...
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR108W -- BCR108W	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // Digital Transistor // BCR108W
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR133W -- BCR133W	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // Digital Transistor // BCR133W
Bipolar Transistor, Digital Transistor -- BCR166W	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // Digital Transistor // BCR166W
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR191W -- BCR191W	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // Digital Transistor // BCR191W
Bipolar Transistor, Fast Switching Transistor -- SMBT3906S	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // Fast Switching Transistor // SMBT3906S
Bipolar Transistor, General Purpose Transistor -- BC859C	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // General Purpose Transistor // BC859C
Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BCP53-16 -- BCP53-16	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // General Purpose Transistor // BCP53-16
Bipolar Transistor, General Purpose Transistor -- BCP56-10	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // General Purpose Transistor // BCP56-10
Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BCX52-16 -- BCX52-16	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // General Purpose Transistor // BCX52-16
Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BCX53 -- BCX53	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // General Purpose Transistor // BCX53
Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BCX56 -- BCX56	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // General Purpose Transistor // BCX56
Bipolar Transistor, General Purpose Transistor -- BCX68-25	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // General Purpose Transistor // BCX68-25
Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BCX69-25 -- BCX69-25	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // General Purpose Transistor // BCX69-25
Bipolar Transistor, High Voltage Transistor -- BFN18	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // High Voltage Transistor // BFN18
Bipolar Transistor, High Voltage Transistor -- BFN19	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // High Voltage Transistor // BFN19
Bipolar Transistor, High Voltage Transistor -- BFN38	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // High Voltage Transistor // BFN38
Bipolar Transistor, High Voltage Transistor -- BFN39	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // High Voltage Transistor // BFN39
Bipolar Transistor, High Voltage Transistor -- PZTA42	Home // Products // Small Signal Transistors & Diodes // Bipolar Transistor // High Voltage Transistor // PZTA42
Bipolar Transistor, Fast Switching Transistor -- SMBT3904PN Bipolar Transistor, Fast Switching Transistor -- SMBT3904UPN	NPN / PNP Silicon Switching Transistor Array Summary of Features High current gain Low collector-emitter saturation voltage Two (galvanic) internal isolated NPN / PNP transistor in one package Pb-free (RoHS...
Bipolar Transistor, High Voltage Transistor -- BCX42	NPN Silicon AF and Switching Transistor Summary of Features For general AF applications High breakdown voltage Low collector-emitter saturation voltage Complementary type: BCX41 (NPN) Pb-free (RoHS compliant) package Qualified according...
Bipolar Transistor, High Voltage Transistor -- BCX41	NPN Silicon AF and Switching Transistor Summary of Features For general AF applications High breakdown voltage Low collector-emitter saturation voltage Complementary type: BCX42 (PNP) Pb-free (RoHS compliant) package Qualified according...
Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC847S -- BC847S	NPN Silicon AF Transistor Arrays Summary of Features High current gain Low collector-emitter saturation voltage Two (galvanic) internal isolated transistors with good matching in one package BC846S / U, BC847S:...
Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC857A -- BC857A Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC857B -- BC857B Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC857BW -- BC857BW Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC858A -- BC858A Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC858B -- BC858B Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC858C -- BC858C	NPN Silicon AF Transistors Summary of Features High current gain Low collector-emitter saturation voltage Low noise between 30 hz and 15 kHz Complementary types: BC847...-BC850... (NPN) Pb-free (RoHS compliant) package...
Bipolar Transistor, General Purpose Transistor -- BC847BW Bipolar Transistor, General Purpose Transistor -- BC847C Bipolar Transistor, General Purpose Transistor -- BC847CW Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC847A -- BC847A Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC847B -- BC847B Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC848A -- BC848A Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC848CW -- BC848CW Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC849B -- BC849B Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BC849C -- BC849C	NPN Silicon AF Transistors Summary of Features High current gain Low collector-emitter saturation voltage Low noise between 30 Hz and 15 kHz Complementary types: BC857...-BC860...(PN P) Pb-free (RoHS compliant) package...
Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BCX71K -- BCX71K	NPN Silicon AF Transistors Summary of Features High current gain Low collector-emitter saturation voltage Low noise between 30 Hz and 15 kHz Complementary types: BCW60, BCX70 (NPN) Pb-free (RoHS compliant)...
Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BCW60B -- BCW60B Small Signal Transistors & Diodes - Bipolar Transistor - General Purpose Transistor - BCX70K -- BCX70K	NPN Silicon AF Transistors Summary of Features High current gain Low collector-emitter saturation voltage Low noise between 30 Hz and 15 kHz Complementary types: BCW61, BCX71 (PNP) Pb-free (RoHS compliant)...
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR146 -- BCR146	NPN Silicon Digital Transisto Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in bias resistor (R1=47kΩ, R2=22kΩ) Pb-free (RoHS compliant) package Qualified according AEC Q101
Bipolar Transistor, Digital Transistor -- BCR533	NPN Silicon Digital Transistor Summary of Features Built in bias resistor (R1= 10 kΩ, R2= 10 kΩ) Pb-free (RoHS compliant) package Qualified according AEC Q101
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR512 -- BCR512	NPN Silicon Digital Transistor Summary of Features Built in bias resistor (R1= 4.7 kΩ, R2= 4.7 kΩ) Pb-free (RoHS compliant) package Qualified according AEC Q101
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR135S -- BCR135S	NPN Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit driver circuit Built in bias resistor (R1=10 kΩ, R2=47 kΩ) BCR135S: Two internally isolated transistors with good matching...
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR148S -- BCR148S	NPN Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit driver circuit Built in bias resistor (R1=47 kΩ, R2=47 kΩ) BCR148S: Two internally isolated transistors with good matching...
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR108 -- BCR108	NPN Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in bias resistor (R1=2.2 kΩ, R2=47 kΩ) BCR108S: Two internally isolated transistors with good matching...
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR141S -- BCR141S	NPN Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in bias resistor (R1=22kΩ, R2=22kΩ) BCR141S / U: Two internally isolated transistors with good matching...
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR141 -- BCR141	NPN Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in bias resistor (R1=22kΩ, R2=22kΩ) BCR141S : Two internally isolated transistors with good matching in...
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR142 -- BCR142	NPN Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in bias resistor (R1=22kΩ, R2=47kΩ) Pb-free (RoHS compliant) package Qualified according AEC Q101
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR119S -- BCR119S	NPN silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in resistor (R1=4.7 kΩ) BCR119S: Two internally isolated transistors with good matching in one multichip...
Bipolar Transistor, Digital Transistor -- BCR133	NPN Silicon Digital Transistor Summary of Features Switching in circuit, inverter, interface circuit, drive circuit Built in bias resistor (R1 = 10 kΩ, R2 = 10 kΩ) BCR133S: Two internally...
Bipolar Transistor, High Voltage Transistor -- SMBTA42	NPN Silicon High-Voltage Transistors Summary of Features Low collector-emitter saturation voltage Complementary types: SMBTA92 / MMBTA92(PNP) Pb-free (RoHS compliant) package Qualified according AEC Q101
Bipolar Transistor, High Voltage Transistor -- BFN24 Bipolar Transistor, High Voltage Transistor -- BFN26	NPN Silicon High-Voltage Transistors Summary of Features Suitable for video output stages in TV sets and switching power supplies High breakdown voltage Low collector-emitter saturation voltage Complementary type: BFN27 (PNP)...
Bipolar Transistor, Fast Switching Transistor -- SMBT2222A / MMBT2222A	NPN Silicon Switching Transistor Summary of Features Low collector-emitter saturation voltage Complementary type: SMBT2907A / MMBT2907A (PNP) Pb-free (RoHS compliant) package Qualified according AEC Q101
Bipolar Transistor, Fast Switching Transistor -- SMBT3904 / MMBT3904	NPN Silicon Switching Transistors Summary of Features High DC current gain: 0.1 mA to 100 mA Low collector-emitter saturation voltage For SMBT3904S: Two (galvanic) internal isolated transistors with good matching...
Bipolar Transistor, Fast Switching Transistor -- SMBT3904S	NPN Silicon Switching Transistors Summary of Features High DC current gain: 0.1 mA to 100 mA Low collector-emitter saturation voltage For SMBT3904S: Two (galvanic) internal isolated transistors with good matching...
Bipolar Transistor, Digital Transistor -- BCR573	PNP Silicon Digital Transistor Summary of Features Built in bias resistor (R1= 1 kΩ, R2= 10 kΩ) Pb-free (RoHS compliant) package Qualified according AEC Q101
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR583 -- BCR583	PNP Silicon Digital Transistor Summary of Features Built in bias resistor (R1= 10 kΩ, R2= 10 kΩ) Pb-free (RoHS compliant) package Qualified according AEC Q101
Bipolar Transistor, Digital Transistor -- BCR555	PNP Silicon Digital Transistor Summary of Features Built in bias resistor (R1= 2.2 kΩ, R2= 10 kΩ) Pb-free (RoHS compliant) package Qualified according AEC Q101
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR185S -- BCR185S	PNP Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in bias resistor (R1 = 10 kΩ , R2 = 47 kΩ ) BCR185S: Two...
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR192 -- BCR192	PNP Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in bias resistor (R1 = 22kΩ , R2 = 47kΩ ) Pb-free (RoHS compliant) package...
Bipolar Transistor, Digital Transistor -- BCR166	PNP Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in bias resistor (R1 = 4.7 kΩ , R2 = 47 kΩ ) Pb-free (RoHS...
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR169S -- BCR169S	PNP Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in bias resistor (R1 = 4.7 kΩ) BCR169S: Two internally isolated transistors with good matching...
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR198 -- BCR198	PNP Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in bias resistor (R1 = 47 kΩ , R2 = 47 kΩ ) BCR198S: Two...
Small Signal Transistors & Diodes - Bipolar Transistor - Digital Transistor - BCR158 -- BCR158	PNP Silicon Digital Transistor Summary of Features Switching circuit, inverter, interface circuit, driver circuit Built in bias resistor (R1=2.2 kΩ, R2=47 kΩ) Pb-free (RoHS compliant) package Qualified according AEC Q101...
Bipolar Transistor, High Voltage Transistor -- BFN27	PNP Silicon High-Voltage Transistors Summary of Features Suitable for video output stages in TV sets and switching power supplies High breakdown voltage Low collector-emitter saturation voltage Complementary types: BFN26 (NPN)...
Bipolar Transistor, High Voltage Transistor -- SMBTA92 / MMBTA92	PNP Silicon High-Voltage Transistors Summary of Features Suitable for video output stages in TV sets and switching power supplies High breakdown voltage Low collector-emitter saturation voltage Complementary types: SMBTA42 /...
Bipolar Transistor, Fast Switching Transistor -- SMBT3906U	PNP Silicon Switching Transistor Summary of Features High DC current gain: 0.1 mA to 100 mA Low collector-emitter saturation voltage For SMBT3906S and SMBT3906U: Two (galvanic) internal isolated transistor with...
Bipolar Transistor, Fast Switching Transistor -- SMBT2907A / MMBT2907A	PNP Silicon Switching Transistor Summary of Features Low collector-emitter saturation voltage Complementary type: SMBT2222A / MMBT2222A (NPN) Pb-free (RoHS compliant) package Qualified according AEC Q101
Bipolar Transistor, Fast Switching Transistor -- SMBT3906	PNP Silicon Switching Transistors Summary of Features High DC current gain: 0.1 mA to 100 mA Low collector-emitter saturation voltage For SMBT3906S and SMBT3906U: Two (galvanic) internal isolated transistor with...

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