Product Announcements


American Microsemiconductor, Inc.

American Microsemiconductor, Inc. has promoted these products:

American Microsemiconductor, Inc. - Reliable 1N34A Germanium Diodes

The 1N34A is a highly popular glass passivated Germanium diode in DO-7 package configuration that features a low leakage current, flat junction capacitance, and high mechanical strength. This device is recommended for applications such as AM/FM detectors, ratio detectors, FM discriminators, TV audio detectors, RF input probes, and TV video detectors. The 1N34A can also be used in many mo... (read more)

American Microsemiconductor, Inc. - HBCS-1100 High Resolution Photosensor

The HBCS-1100 is a high resolution optical reflective sensor with applications that include pattern recognition and verification, object sizing, optical limit switching, techometry, textile thread counting and defect detection, dimensional monitoring, line locating, mark, and barcode scanning, and more. (read more)

American Microsemiconductor, Inc. - Transistors Available for RF Applications

American Microsemiconductor Inc. is featuring the 2SC1741A, a medium power transistor in a TO-92 package with excellent applications as a TV PIF amplifier, RF amplifier, and for use in FM tuners. (read more)

American Microsemiconductor, Inc. - R3000F High Voltage Axial Rectifier

The R3000F is a member of a line of high voltage rectifiers in a DO-41 molded plastic package style. The 3000 volt rectifier boasts a low leakage current with higher dopant levels than a standard rectifier. This product has a guaranteed high surge rating up to 30 amperes before stress-induced factors arise. (read more)

American Microsemiconductor, Inc. - Need a dependable High Voltage supplier

American Microsemiconductor - High Voltage Rectifiers.

  • Axial rectifiers: 1kv-50kv, 5 mA to 5.0 amp, both general purpose and fast switching.
  • High voltage bridge rectifiers: 5 ma to 50 amps, up to 100kv.
  • High voltage multipliers: 0.1 ma to 20 mA up to 100kv.
  • High voltage assemblies: 5 ma to 3 amp and up to 200kv.<......
(read more)
American Microsemiconductor, Inc. - Need a Military Diode Array ?

1N5772 Diode Array (Military) from AMS

The 1N5772 Diode Array from American Microsemiconductor comes in a 10 pin ceramic flat pack and offers high breakdown voltage, Low forward voltage drop, fast switching and is intended for high reliability and military applications..

Quick Links:

  • 1N5772
  • 1N5772 Datasheet<.../li....
(read more)
American Microsemiconductor, Inc. - Rectifier Module from American Microsemiconductor

American Microsemiconductor Inc. introduces a fast recovery dual power rectifier module with high surge current capability in a standard international industrial package.

With 3000 Volt package isolation, the rectifiers reverse voltage ranges from 800 volts to 1700 Volts, and the average forward current is 250 Amps. (read more)

American Microsemiconductor, Inc. - 2N4949 Unijunction Transistor


The most common 2N4949 use is triggering a Silicon Controlled Rectifier (SCR), although its output is often used to trigger other devices. The 2N4949 Unijunction Transistor (UJT) feat... (read more)

American Microsemiconductor, Inc. - General Purpose High Voltage Operational Amplifier


LH0004 High Voltage Operational Amplifier operates with supply voltage up to +/-40 Volts. It has a low quiescent power dissipation, typically 8 mW at 25C and +/-40Volts. The high gain and wide voltage operating range make it ideal in circuits requiring low power but large output swing. (read more)

American Microsemiconductor, Inc. - General Purpose Silicon Rectifiers Diode 1N3060

1N3060 General Purpose Silicon Rectifiers/ Diodes. AMS is now supplying very high voltage rectifiers. The 1N3060 is a 28000 Volt rectifier with an average current (Io) of 100 Ma.. (read more)

American Microsemiconductor, Inc. - Photo Darlington Optical Interrupter Switch

Photo Darlington Optical Interrupter Switches from American Microsemiconductor

The packaging system is designed to optimize the mechanical resolution, coupling efficiency, ambient light rejection, cost and reliability. The gap in the housing provides a means of interrupting the signal with an opaque material, switching the output from an "ON" to an "OFF" state. (read more)

American Microsemiconductor, Inc. - Over 170,000 semi line items at our Online stores

American Microsemiconductor Inc., after announcing a Major Expansion in 2011, now has over 20 million parts in stock,over 170,000 different semiconductor line items: transistors, diodes, SCRs, Triacs, TVS, Zeners, ICs, etc. For access to our inventory and fast "hassle free" semiconductor shopping,visit our online yahoo store at or visit... (read more)

American Microsemiconductor, Inc. - 60 Nanosecond High reliability HV rectifier

60 Nanosecond HV Rectifier from American Micro Semi

With a Trr of 60 nS the CL08-10T is the fastest high voltage (10 Kilovolts), state of the art rectifier available today. It provides a significant improvement over and above the popular UX-FOB HV rectifier and other discontinued,obsolete, and hard -to-find HV rectifiers. The CL08-10T is rated at 500 mA and can be a replace... (read more)

American Microsemiconductor, Inc. - Improved Replacement for UX-FOB,HV,Fast Rectifier

High Reliability Ultra Fast recovery High Voltage Rectifier

Fast recovery (Trr= 60 nS ) High Voltage (10 Kv) High Current ( Io=500mA)Axial High Voltage rectifier CL08-10T from American Microsemiconductor Inc.(AMS) Replacement for UX-FOB type Rectifier and other HV Axial leaded devices. With a surge current of 40 Amps and a low Forward Voltage drop of 16 Volts... (read more)

American Microsemiconductor, Inc. - 1N6101 Mil Diode Array in Ceramic DIP

IMMEDIATE DELIVERY, Military 1N6101 DIODE ARRAYS! from American Microsemiconductor Inc.(AMS): Military, High Reliability 1N6101 diode array. Packaged in a 16 leaded hermetic Ceramic DIP. Other packages,commercial and industrial, are available. A direct replacement for parts supplied by Linfinity, Microelectronics, and Sertech Labs. The 1N6101 features: 7 nS reverse recovery time, 75 Volt... (read more)

American Microsemiconductor, Inc. - MRF5176 Power Microwave Transistor

American Microsemiconductor Inc. (AMS) announces ready delivery of the MRF5176 power microwave transistor. This NPN Silicon transistor is designed for wideband large-signal driver and predriver amplifier stages. It features 15 Watts output and a 200-600 MHZ frequency range. The output Power is 15 Watts at 28 Volts, Vcc. Minimum Gain is 10 dB also at 28 Volts with an efficiency of 50%.

(read more)
American Microsemiconductor, Inc. -  J-FETs from AMS

Need a Junction Field Effect Transistor? The JFET is a voltage controlled device: that is, a small change in input voltage causes a large change in output current. FET operation involves an electric field which controls the flow of a charge (current) through through the JFET channel. In contrast, a bipolar transistor employs a small input current to control a large output c... (read more)

American Microsemiconductor, Inc. - PHOTO TRANSISTORS L14G1, L14G2, 14G3

Phototransistors L14G1,L14G2 and, L14G3

Has Fairchild, General Electric, QT, and Telefunken left you in the lurch for Phototransistors? Still waiting for shipment? Wait no more! Same day shipping from American Microsemiconductor.

Finally , a dependable supplier of the Silicon Phototransistors. American Microsemiconductor Inc. is now supplying the L14G1, L14G2, and L... (read more)

American Microsemiconductor, Inc. - Wideband Linear Amplifier CA2818C

From American Microsemiconductor - Wideband Linear Amplifier (CA2818C)

This hybrid amplifier provides excellent gain stability with temperature and linear amplification as a result of the push-pull circuit design. (read more)

American Microsemiconductor, Inc. - H11C1- H11C6 PHOTO SCR OPTOCOUPLERS

H11C1 -H11C6 PHOTO SCR OPTOCOUPLERS from American Microsemiconductor, Inc.

The H11C SERIES Optocouplers (formerly supplied by Fairchild Semiconductor, Motorola, and others) features a PHOTOSCR output with an output capability of 300 mA, a maximum 400 Volt breakdown, a 5 Amp surge capability, and a high isolation voltage (7500) V.

American Microsemiconductor In... (read more)

American Microsemiconductor, Inc. - Visit AMS Yahoo Semiconductor Store

Save Time! Visit the safe, secure AMS YAHOO STORE for a quick, Reliable semiconductor purchase from a Certified supplier at:

All parts are in AMS Stock. SAME DAY shipping, NO MINIMUM Order, and TRACKING information with each order.Enjoy placing an efficient, hassle-free order... (read more)

American Microsemiconductor, Inc. - LOW NOISE GENERAL PURPOSE TRANSISTORS


The BC107 and BC108 are silicon planar epitaxial NPN transistors in TO-18 hermetic metal case. They are suitable for use in driver stages, low noise input stages and signal processing circuits of television receivers.

Quick Links:

  • Product Specifications and ordering...
(read more)
American Microsemiconductor, Inc. - Bridge Rectifiers single Phase and three phase

Bridge Rectifier, Three phase & Single Rectifier from American Microsemiconductor.

American Microsemiconductor supplies bridge rectifiers at voltages from 50 Volts to 5kV and in current ranges from 500 mA to 100 Amps. We also supply bridges that are fast switching and bridges with low forward voltage drop. (read more)

American Microsemiconductor, Inc. - LOW Voltage ZENER DIODE 1N5221B - 1N5267 B

LOW VOLTAGE ZENER DIODE 1N5221B: 500 milliwatts, glass package, DO-35, silicon zener diode, voltage 2.4V.

Features: 500mW Power Dissipation, High Temperature Stability, Surface Mount Equivalents Available, and Hermetic Package .Available with 20%, 10%, 5%, 3%, and 2% tolerance.

Quick Links:

  • View Estore fo...
(read more)
American Microsemiconductor, Inc. - Tunnel Diodes and Back Diodes from AMS

American Microsemiconductor supplies a wide range of tunnel diodes. Tunnel diodes have a negative resistance region that allows for very fast switching speeds, up to 30 GHz. (read more)

American Microsemiconductor, Inc. - AMS supplies a diac in surface mount package

American Microsemiconductor Inc.(AMS) supplies surface mount diacs in a mini melf package. The diac is a bidirectional trigger diode that is designed specifically to trigger a triac or SCR. Basically the diac does not conduct (except for a small leakage current) until its breakover voltage is reached. At that point the diac goes into avalanche conduction, also at that point the device ex... (read more)

American Microsemiconductor, Inc. - 6-Pin Dip Optoisolators Transistor Output - 4N25

The 4N25/A, 4N26, 4N27 and 4N28 devices consist of a gallium arsenide infrared emitting diode optically coupled to a monolithic silicon phototransistor output.

*High Isolation

* Most Economical Optoisolator Choice for Medium Speed, Switching Applications

* Meets or Exceeds All JEDEC Registered Specifications (read more)

American Microsemiconductor, Inc. - TEMPERATURE COMPENSATED ZENER DIODES


The zener diode temperature coefficient is a most important zener diode consideration. Usually specified in parts per 10,000 per degree C, it can be more important than a initial zener diode tolerance.

Temperature-compensated zener reference diode... (read more)

American Microsemiconductor, Inc. - CA3028A Differential/Cascode Amplifier

CA3028A Differential/Cascode Amplifier from American Microsemiconductor

Come to AMS to find hundreds of hard to find Amplifiers including the CA3028A differential/cascode amplifier for commercial and industrial use in equipment operating up to 120 MHz. Available in Metal Can, SOIC and 8 pin DIP versions... (read more)

American Microsemiconductor, Inc. - Diodes/Rectifiers, Diode Arrays, etc.

Diodes, Rectifiers, Diode Arrays, General Purpose Diodes, High-speed Diodes, Varistors and more from American Microsemiconductor, Inc. With over 20,000,000 electronic components sitting on our warehouse shelves we can almost guarantee that we've got the right part for your job! (read more)

American Microsemiconductor, Inc. - We have your Triac

The Triac is a three terminal semiconductor for controlling current in either direction. A triac operates in the same way as the SCR however a triac operates in both a forward and reverse direction. A triac can be triggerred into conduction by either positive or negative gate signal.(consistant with polarity of the Anode to Cathode circuit)

Obviously a triac can also be triggered... (read more)

American Microsemiconductor, Inc. - Diode Arrays

Fast switching Diode Arrays

American Microsemiconductor diode arrays, featuring 10nS reverse recovery time and a low foward voltage drop of 1.0max volt at 10 mA, make them ideal where ESD and EFT protection are of paramount importance. American Microsemiconductor a large selection of diode arrays. Diodes arrays that were formerly supplied by Motorola, Fairchild... (read more)

American Microsemiconductor, Inc. - Bipolar Junction Transistor (BJT)

Description of bipolar transistor

The transistor is primarily used as a current amplifier. When a small current signal is applied to the base terminal of a bipolar transistor, it is amplified in the collector circuit. This current amplification is referred to as hfe or beta and equals Ic/Ib. As with all semiconductors, breakdown voltage of a transistor is also a desi... (read more)

American Microsemiconductor, Inc. - Germanium Diodes ; low forward voltage drop (Vf)

Germanium Diodes from American Microsemiconductor (AMS)are ROHS Compliant. We supply most Germanium Diodes: American types,Pro Electron types ( European) and Japanese types. The single greatest feature of germanium diodes the low forward voltage drop. They are used in both digital and analog circuit design.(RF detection is an early app.) AMS is your source for all Germanium Diod... (read more)

American Microsemiconductor, Inc. - 60HQ100 Schottky Rectifier

60HQ100 Schottky Rectifier - from American Microsemiconductor (read more)

American Microsemiconductor, Inc. - Transient Voltage Suppressor (TVS)

Transient Voltage Suppressors (TVS) are semiconductor devices designed to provide protection against voltage and current transients. The silicon Transient Voltage Suppressor (TVS) is designed to operate in the avalanche mode and uses a large junction area to absorb large transient currents. Operation of Transient Voltage Suppressor... (read more)

American Microsemiconductor, Inc. - Stabistors from AMS MPD100 thru MPD400

MPD100, MPD200, MPD300, MPD400 Stabistors now available from American Microsemiconductor

Originally introduced by General Electric using diode forward voltage characteristics, these are low voltage regulators with tight voltage tolerance across 4 Orders of magnitude of forward current. (read more)

American Microsemiconductor, Inc. - Tunnel Diodes from American Microsemiconductor

Tunnel Diodes from American Microsemiconductor Inc.

WE have an extensive product line of tunnel/Esaki diodes.These fast switching diodes are ideal as microwave signal generators,detectors, etc.

For over 40 years American Microsemiconductor Inc. has been a global tunnel diode supplier, specializing in custom selection, matching, sorting, and testing.

WE have b... (read more)

American Microsemiconductor, Inc. - 7500 Volt Isolation with Optocouplers

OPTOCOUPLERS ( optoisolators) from American Miocrosemiconductor Inc.

Why use an optocoupler ? It is an easy and inexpensive way to isolate an input from output. Optocouplers supplied by American Microsemiconductor have 7500 volts isolation.

Which optocoupler to choose ? While the input is a single GaAs IR diode for most applications, two anti parallel d... (read more)

American Microsemiconductor, Inc. - High Power Dual Schottky Rectifiers

American Microsemiconductor introduces a new competitively priced line of high Power Dual Schottky Rectifiers: up to 600 Amps and 200 Volts. They are Available from stock in the popular twin tower package style. The rectifiers feature fast switching and low forward voltage drop (Vf). The circuit configurations include common cathode, common anode, and voltage doubler. All our rectifier t... (read more)

American Microsemiconductor, Inc. - 2 MHZ - 30 MHZ Power Transistor 2SC2879


2SC2879 Silicon NPN Power Transistor, ROHS compliant, Low Power Supply operation, 12.5 Volts.

Direct replacement for Toshiba part number 2SC2879 and other 2SC2879 manufacturer's parts. Off the shelf, special testing and Mil qualification available.


Low Power Supply use = 12.5 Volts

(read more)
American Microsemiconductor, Inc. - SCRs from American Microsemiconductor

Silicon Controlled Rectifiers (SCRs) from American Microsemiconductor(AMS)

Servicing the Semiconductor industry since 1970.

With over 17,000,000 electronic components sitting on our warehouse shelves we can almost guarantee that we've got the right part for the job! (read more)

American Microsemiconductor, Inc. -  Selenium Diodes from American Microsemiconductor

Let American Microsemiconductor replace your selenium rectifier with a more reliable, less expensive, eco friendly, direct replacement silicon rectifier.

Selenium rectifiers are seldom specified, designed, or used today. They were among the earliest of semiconductor rectifiers. Even earlier than germanium rectifiers! Selenium comes from the Greek word for blue, selene. They... (read more)

American Microsemiconductor, Inc. - IRK Series Power Modules series

IRK Series Power Modules series from American Microsemiconductor Inc

IRK Series Power Modules now available from American Microsemiconductor (AMS). These dual types were originally introduced by International Rectifier, but are discontinued.AMS now supplies these direct equivalents and many other similar types.

These feature 3,000 Volt isolation breakdown Voltage, high surg... (read more)

American Microsemiconductor, Inc. - Fast(trr 500 nS max) Schottky Rectifier 1N4510

General Purpose Rectifier (trr 500ns max) 1N4510 from American Microsemiconductor.

The 1N4510 is a fast switching General purpose,1 kV, 12 Amp, rectifier. It is in a DO-4 stud mount package. American supplies it to commercial, industrial, and military specifications. This is an example of our power rectifier line.We supply higher power rectifiers in DO-5, DO-8... (read more)

American Microsemiconductor, Inc. - 1N5772 Military Ceramic flatpack Diode Arrays

American MicroSemiconductor (AMS) is now producing the 1N5772 diode array in 10 pin Ceramic Flat Pack for both commercial and high reliability military Applications.

Call with your custom design or custom packaging requirements. Small manufacturing runs greatfully accepted. (read more)

American Microsemiconductor, Inc. - Variable Capacitance Diode, Varactor, Varicap

Servicing the Semiconductor industry since 1970 - American Microsemiconductor. Contact us for your specific requirement...

A varicap diode, varactor diode,or tuning diode is a type of diode whose PN junction capacitance can be varied by varying the voltage across that junction. (read more)