NPN switching transistor 2N3904 DATA SHEET STATUS Notes 1. Please consult the most recently issued data sheet before initiating or completing a design. 2. The product status of the device(s) described in this data sheet may have changed since this data sheet was published. Although this works fine, I'm a bit concerned about what I've read on the data sheet for the 2N3904. It states that the Base-Emitter Saturation Voltage has the following specs: Ic = 10mA Ib = 1.0mA Ic = 50mA Ib = 5.0mA. I'm having a hard time understanding what that means exactly. At 20mA, that's about 120 Ohms. The current gain depends on the collector current, but figure on 50. With a base current of 20mA, that's a collector current of way more than the 2N3904 can handle, so 20mA will saturate it thoroughly. You can probably get by with a lower base current. Look at a 2N3904 datasheet for gain at different collector ... 2N2222 datasheet, 2N2222 pdf, 2N2222 data sheet, datasheet, data sheet, pdf a d v a n c e d s e m i c o n d u c t o r, i n c. rev.b 7525 ethel avenue • north hollywood, ca 91605 • (818) 982-1202 • fax (818) 765-3004 1/1 2n3904s revision no : 4 c 0 collector current i (ma) collector current i (ma) 0 c 0 base-emitter voltage v (v)be i - vc be 10 dc current gain h fe 0.1 0.3 1 3 collector current i (ma)c 0 collector-emitter voltage v (v)ce i - vc ce h - i collector current i (ma)c collector-emitter saturation ce(sat) v - i

2N3904 MMBT3904 PZT3904 C C E E C C TO-92 B B SOT-23 B E SOT-223 Mark: 1A NPN General Purpose Amplifier This device is designed as a general purpose amplifier and switch. The useful dynamic range extends to 100 mA as a switch and to 100 MHz as an amplifier. Compare pricing for NTE Electronics 2N3904 across 6 distributors and discover alternative parts, CAD models, technical specifications, datasheets, and more on Octopart. 2N3904 General Purpose Transistors NPN TO-92 Page 1 12/05/08 V1.1 High Speed Switching Features: • NPN silicon planar switching transistors. • Fast switching devices exhibiting short turn-off and low saturation voltage characteristics. Order today, ships today. 2N3904BU – Bipolar (BJT) Transistor NPN 40V 200mA 300MHz 625mW Through Hole TO-92-3 from ON Semiconductor. Pricing and Availability on millions of electronic components from Digi-Key Electronics. 2N3904 2N3904 TO-92 / Bulk 2N3904-AP 2N3904 TO-92 / Ammopack TO-92 Bulk TO-92 Ammopack 1/5 At 20mA, that's about 120 Ohms. The current gain depends on the collector current, but figure on 50. With a base current of 20mA, that's a collector current of way more than the 2N3904 can handle, so 20mA will saturate it thoroughly. You can probably get by with a lower base current. Look at a 2N3904 datasheet for gain at different collector ... Find us at www.keysight.com Page 2 This data sheet is a summary of the specifications and conditions for the N9020A MXA X-Series signal analyzers. For the complete specifications guide, visit:

2N3904 NPN SILICON TRANSISTOR UNISONIC TECHNOLOGIES CO., LTD 4 of 4 www.unisonic.com.tw QW-R201-027.G TYPICAL CHARACTERISTICS(Cont.) UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or 2N Series of general purpose transistors for switching and amplifier applications. Includes the 2N2222, 2N3904 and 2N3906, plus many more. Quantity discounts are available for 25 or more parts, click on the price link for more information. Data Sheet (current) [683 KB ] ST MICRO [69 KB ] ... TRANSISTOR, 2N3904, NPN GENERAL PURPOSE, SMALL SIGNAL, 40V, TO-92 For more about Transistors, click here. Find us at www.keysight.com Page 2 This data sheet is a summary of the specifications and conditions for the N9020A MXA X-Series signal analyzers. For the complete specifications guide, visit:

2N3904 Absolute maximum ratings Ta=25 °C Characteristic Symbol Ratings Unit Collector-Base voltage VCBO 60 V Collector-Emitter voltage VCEO 40 V Emitter-base voltage VEBO 6V Collector current IC 200 mA Collector dissipation PC 625 mW Junction temperature Tj 150 °C Storage temperature range Tstg-55~150 °C 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 = 5V. CE 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 Data Sheet (current) [683 KB ] ST MICRO [69 KB ] ... TRANSISTOR, 2N3904, NPN GENERAL PURPOSE, SMALL SIGNAL, 40V, TO-92 For more about Transistors, click here. 2N3904 Absolute maximum ratings Ta=25 °C Characteristic Symbol Ratings Unit Collector-Base voltage VCBO 60 V Collector-Emitter voltage VCEO 40 V Emitter-base voltage VEBO 6V Collector current IC 200 mA Collector dissipation PC 625 mW Junction temperature Tj 150 °C Storage temperature range Tstg-55~150 °C

NPN General Purpose Amplifier This device is designed as a general purpose amplifier and switch. The useful dynamic range extends to 100 mA as a switch and to 100 MHz as an amplifier. Absolute Maximum Ratings* T A = 25°C unless otherwise noted * NPN General Purpose Amplifier This device is designed as a general purpose amplifier and switch. The useful dynamic range extends to 100 mA as a switch and to 100 MHz as an amplifier. Absolute Maximum Ratings* T A = 25°C unless otherwise noted * 2N3904 General Purpose Transistors NPN TO-92 Page 1 12/05/08 V1.1 High Speed Switching Features: • NPN silicon planar switching transistors. • Fast switching devices exhibiting short turn-off and low saturation voltage characteristics. Mar 31, 2015 · There was a time when 2N parts were often in metal cans with glass hermetic seals intended for MIL-spec applications. PN numbers originated when National Semiconductor introduced their low cost version of epoxy TO-92 bipolar transistors in response to the Fairchild "pop top" transistors. 2N3904 General Purpose Transistors NPN TO-92 Page 1 31/05/05 V1.0 High Speed Switching Features: • NPN Silicon Planar Switching Transistors. • Fast switching devices exhibiting short turn-off and low saturation voltage characteristics. 2N2907A Small Signal Switching Transistor PNP Silicon Features • MIL−PRF−19500/291 Qualified • Available as JAN, JANTX, and JANTXV MAXIMUM RATINGS Rating Symbol Value Unit Collector−Emitter Voltage VCEO −60 Vdc Collector−Base Voltage VCBO −60 Vdc Emitter−Base Voltage VEBO −5.0 Vdc Collector Current − Continuous IC −600 mAdc

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AUK Corp catalog First Page, datasheet, datasheet search, data sheet, datasheets, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs, semiconductors 2N3904 MMBT390 4 MMPQ390 4 PZT3904 NPN General Purpose Amplifier This device is designed as a general purpose amplif ier and switch. The useful dynamic range extends to 100 mA as a swi tch and to 100 MHz as an amplifier. Sourced from Process 23. Absolute Maximum Ratings* TA = 25°C unless otherwise noted 2N3904 2N3904 TO-92 / Bulk 2N3904-AP 2N3904 TO-92 / Ammopack TO-92 Bulk TO-92 Ammopack 1/5 2N3904 2N3904 TO-92 / Bulk 2N3904-AP 2N3904 TO-92 / Ammopack TO-92 Bulk TO-92 Ammopack 1/5 2N3904 NPN SILICON TRANSISTOR UNISONIC TECHNOLOGIES CO., LTD 4 of 4 www.unisonic.com.tw QW-R201-027.G TYPICAL CHARACTERISTICS(Cont.) UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or

N9020a datasheet 2n3904

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3904 datasheet, 3904 pdf, 3904 data sheet, datasheet, data sheet, pdf View similar products to the 2N3904 Transistor in the Transistors product category. Top of Page. Reviews. ... Part # 2N3904. Your Price $0.36 (2 Reviews) Details. At 20mA, that's about 120 Ohms. The current gain depends on the collector current, but figure on 50. With a base current of 20mA, that's a collector current of way more than the 2N3904 can handle, so 20mA will saturate it thoroughly. You can probably get by with a lower base current. Look at a 2N3904 datasheet for gain at different collector ... Features, Applications: NPN silicon planar switching transistors. Fast switching devices exhibiting short turn-off and low saturation voltage characteristics.