2N3904 Transistor and Specifications. 2N3904 Datasheet. 2N3904 Circuits. The 2N3904 is common general-purpose low-power NPN transistor used amplifying or switching applications. It is typically used for low-current, medium voltage, and moderate speed purposes. 2N2222 datasheet, 2N2222 pdf, 2N2222 data sheet, datasheet, data sheet, pdf 2N2222 datasheet, 2N2222 pdf, 2N2222 data sheet, datasheet, data sheet, pdf 2N3904 ELECTRICAL CHARACTERISTICS Ratings at 25¡C ambient temperature unless otherwise specified SYMBOL MIN. MAX. UNIT Small Signal Current Gain at VCE = 10 V, IC = 1 mA, f = 1 kHz hfe 100 400 — Output Admittance at VCE = 1 V, IC = 1 mA, f = 1 kHz hoe 140mS Noise Figure at VCE = 5 V, IC = 100 mA, RG = 1 kW, f = 10 É 15000 Hz NF — 5 dB Delay Time (see Fig. 1) PN2222A *MMBT2222A **PZT2222A PD Total Device Dissipation Derate above 25°C 625 5.0 350 2.8 1,000 8.0 mW mW/°C RθJC Thermal Resistance, Junction to Case 83.3 °C/W RθJA Thermal Resistance, Junction to Ambient 200 357 125 °C/W PN2222A MMBT2222A PZT2222A EBC TO-92 SOT-23 SOT-223 Mark:1P C B E E B C C

Mind the current maximums -- the JC501 maxes at 100mA vs the 2N3904's 200mA Ic -- and its lower fT -- 130 vs 270 (though, switching a fan on and off, that shouldn't be an issue) and you should be good. e: That's for 2N3904. 2N3906 is a PNP: you won't use an NPN in that slot. 2N7000 is an N-channel MOSFET, that's trickier. All the part names for which the file 8850.pdf is a datasheet But can I drive it with a raspberry pi or arduino?? And am I correct in my reading of the datasheets? Also, in a lot of diagrams I've seen for this type of circuit online, there is a resistor from the Gate to the GPIO pin. Why is that? Edit: From what I can tell on the datasheets, Vgs is only limited to +-20V for either.

2N3904 Transistor and Specifications. 2N3904 Datasheet. 2N3904 Circuits. The 2N3904 is common general-purpose low-power NPN transistor used amplifying or switching applications. It is typically used for low-current, medium voltage, and moderate speed purposes. 2N3904 Datasheet (PDF) 1.1. 2n3904g.pdf Size:398K _upd SEMICONDUCTOR 2N3904 TECHNICAL DATA FEATURE NPN silicon epitaxial planar transistor for switching and TO-92 Amplifier applications As complementary type, the PNP transistor 2N3906 is Recommended 1. EMITTER 2. BASE 3.

TRANSISTOR datasheet, TRANSISTOR pdf, TRANSISTOR data sheet, datasheet, data sheet, pdf 2N3904 datasheet. 2N3904 is a common NPN positive contact transistor used in general-purpose low-power amplification or switching applications Designed for low current and power, medium voltage and can be operated at moderate high speed. ST 2N3903 / 2N3904 NPN Silicon Epitaxial Planar Transistor for switching and amplifier applications. As complementary types the PNP transistors ST 2N3905 and ST 2N3906 are recommended. On special request, these transistors can be manufactured in different pin configurations. TO-92 Plastic Package Weight approx. 0.19g TPS54620RGYR Texas Instruments Switching Voltage Regulators 4.5-17Vin 6A Synch St Down SWIFT Cnvtr datasheet, inventory, & pricing.

PN2222A *MMBT2222A **PZT2222A PD Total Device Dissipation Derate above 25°C 625 5.0 350 2.8 1,000 8.0 mW mW/°C RθJC Thermal Resistance, Junction to Case 83.3 °C/W RθJA Thermal Resistance, Junction to Ambient 200 357 125 °C/W PN2222A MMBT2222A PZT2222A EBC TO-92 SOT-23 SOT-223 Mark:1P C B E E B C C Spestis, the values you give for the relay are not correct. If the coil is 36 ohms the current at 5V would be 5/36 = 139Ma. My data sheet says the maximum collector current for the 2N3904 is 200Ma. If the relay in fact only needs 71Ma then I would use the beta of the 2N3904 @ 100Ma is min of 30. Base current would be 71Ma/30 =2.3Ma. So far, I've tried C1815, and 2N3904 (PDF datasheets linked). 2N3904 works as expected. However, with the C1815, the Collector -> Emitter connection is always open, regardless of how the Base is connected (or not). I've tried multiple samples from the bag of C1815; same behavior: the LED is always on. BC546B TRANSISTOR NPN 65V 100MA TO-92 Fairchild Semiconductor datasheet pdf data sheet FREE from datasheetz.com Datasheet (data sheet) search for integrated circuits (ic), semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. 2N3904 2N3904 TO-92 / Bulk 2N3904-AP 2N3904 TO-92 / Ammopack TO-92 Bulk TO-92 Ammopack 1/5 2N3904 / MMBT3904 / PZT3904 Typical Characteristics Base-Emitter ON Voltage vs Collector Current 0.1 1 10 100 0.2 0.4 0.6 0.8 1 V - BASE-EMITTER ON VOLTAGE (V) I - COLLECTOR CURRENT (mA) N) C V = 5VCE 25 °C 125 °C - 40 °C NPN General Purpose Amplifier (continued) Base-Emitter Saturation Voltage vs Collector Current 0.1 1 10 100 0.4 0.6 0.8 1

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The 2n3904 also can have quite a bit variation on this, mostly depend on the batch/brand. Most small signal transistors have a hfE between 50 and 100, while larger transistors rather have a hfE of 20. It depends if you want to use the transistor as amplifier, or if you want to saturate it with a high base current. 17V Input, 6A Output, Synchronous Step Down Switcher With Integrated FET in 3.5mm x 3.5mm Package(SWIFT?), TPS54620 datasheet, TPS54620 circuit, TPS54620 data sheet : TI, alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs, and other semiconductors. 2N3905 Datasheet (PDF) 1.1. 2n3905 2n3906.pdf Size:199K _motorola. MOTOROLA Order this document SEMICONDUCTOR TECHNICAL DATA by 2N3905/D General Purpose Transistors 2N3905 PNP Silicon * 2N3906 *Motorola Preferred Device COLLECTOR 3 2 BASE 1 EMITTER 1 2 MAXIMUM RATINGS 3 Rating Symbol Value Unit CASE 2904, STYLE 1 CollectorEmitter Voltage VCEO 40 Vdc TO92 (TO226AA) CollectorBase Voltage VCBO 40 ... An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TPS54620 SLVS949F –MAY 2009–REVISED MAY 2017 TPS54620 4.5-V to 17-V Input, 6-A, Synchronous, Step-Down SWIFT™ Converter 1 1 Features This datasheet is subject to change without notice. THE PRODUCT DESCRIBED HERE IN AND THIS DATASHEET ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com ... 17V Input, 6A Output, Synchronous Step Down Switcher With Integrated FET in 3.5mm x 3.5mm Package(SWIFT?), TPS54620 datasheet, TPS54620 circuit, TPS54620 data sheet : TI, alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs, and other semiconductors.

Tps54620 datasheet 2n3904

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The 2N3904 is a common NPN bipolar junction transistor used for general-purpose low-power amplifying or switching applications. [1] [2] [3] It is designed for low current and power , medium voltage , and can operate at moderately high speeds.