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DATA SHEET
DSM8100-000: Mesa Beam Lead PIN Diode
Applications:
Designed for switching applications
Features
Low capacitance Low resistance Fast switching Oxide-nitride passivated Durable construction High voltage

Description
Skyworks' Silicon Mesa Beam Lead PIN diode is surrounded by a glass frame for superior strength and electrical performance that surpasses the standard beam lead PINs. The DSM8100-000 is designed for low resistance, low capacitance and fast switching time. The oxide-nitride passivation layers provide reliable operation and stable junction parameters that provide complete sealing of the junction permitting use in assemblies with some degree of moisture sealing. A layer of glass provides increased mechanical strength. The DSM8100 is ideal for microstrip or stripline circuits and for circuits requiring high isolation from a series mounted diode such as broad band multi-throw switches, phase shifters, limiters, attenuators and modulators.
Absolute Maximum Ratings
Characteristic Operating temperature Storage temperature Power dissipation (derate linearly to zero @ 175 C) Typical lead strength Value -65 C to +150 C -65 C to +200 C 250 mW 8 grams pull
Performance is guaranteed only under the conditions listed in the specifications table and is not guaranteed under the full range(s) described by the Absolute Maximum specifications. Exceeding any of the absolute maximum/minimum specifications may result in permanent damage to the device and will void the warranty.
CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions must be employed at all times.
Mesa Beam Lead Diode Specifications
Part Number DSM8100-000 Voltage Breakdown @ IR 10 A (V) Min. 60 Capacitance Total 10 V, 1 MHz (pF) Max. 0.025 Series Resistance () 10 mA,100 MHz Max. 3.5 CLT IF = 10 mA, IR = 6 mA (ns) Typ. 25 Outline Drawing Number 389-003
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200096 Rev. B * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 7, 2005
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DATA SHEET * DSM8100-000
Typical Performance Data
45 40 35 30 25 20 15 10 5 0 (10 mA) VR = 40 V 0 0.3 1 3 10 30 100 300 0 5 10 15 18 20 25 30
5
Attenuation (dB)
Mesa Beam Lead
Insertion Loss (dB)
10 Chip 15
Isolation (dB)
Conventional Beam Lead
0.75 0.60 0.45 0.30 0.15
20
Time (ns)
Frequency (GHz)
Switching Time Data
Typical Isolation and Insertion Loss Characteristics
100
20
RF Resistance ()
10 20 30
Capacitance (pF)
15 0.06 0.05 0.04 0.03 0.02 0.01 0 1 MHz
10
1
Above 1 GHz 0.1 0.1 1 10 100
Reverse Voltage (V)
Forward Bias Current (mA)
Typical Capacitance vs. Reverse Voltage
Typical RF Resistance vs. Forward Bias Current
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2
February 7, 2005 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200096 Rev. B
DATA SHEET * DSM8100-000
Typical SPDT Circuit Arrangement
Beam Lead Pin Duroid Substrate 50 Glass Bead
Typical Beam Lead Mounting
Beam Lead Pin 0.005" Preferred Beam Lead Orientation
50 Transmission LIne
Connecting Lead
Metal Conductor
Duroid
389-003
0.009 (0.23 mm) Min. 0.0115 (0.29 mm) Max. 0.014 (0.36 mm) Max. 0.0035 (0.09 mm) Min. 0.0070 (0.18 mm) Max. 0.011 (0.28 mm) Max. 0.009 (0.23 mm) Min. 0.0115 (0.29 mm) Max.
0.032 (0.81 mm) Min. 0.035 (0.89 mm) Max. 0.005 (0.13 mm) Max. 0.0002 (0.005 mm) Min. 0.0007 (0.018 mm) Max.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200096 Rev. B * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 7, 2005
3
DATA SHEET * DSM8100-000
Beam-Lead Diodes
Handling Due to their small size, beam-lead devices are fragile and should be handled with extreme care. The individual plastic packages should be handled and opened carefully, so that no undue mechanical strain is applied to the packaged device. It is recommended that the beam-lead devices be handled through use of a vacuum pencil using an appropriate size vacuum needle or a pointed wooden stick such as a sharpened Q-tip or match stick. The device will adhere to the point and can easily be removed from the container and positioned accurately for bonding without damage. Such handling should be done under a binocular microscope with magnification in the range of 20X to 30X. Special handling precautions are also required to avoid electrical damage, such as static discharge. Bonding The DSM8100-000 can best be bonded to substrates by means of thermocompression bonding. Essentially this type of bonding involves pressing the gold beam of the device against the gold plated metalized substrate under proper conditions of heat and pressure so that a metallurgical bond joint between the two occurs. Procedure The beam-lead devices to be bonded should be placed on a clean, hard surface such as a microscope slide. It is recommended that the beam side of the device be down so that this side will be toward the substrate when bonded. The device can be picked up by pressing lightly against one beam with the heated tip. The substrate can then be appropriately positioned under the tip and the device brought down against the substrate, with proper pressure applied by means of the weld head. A bonding tip temperature in the 350 C to 450 C range is recommended along with a bonding force of 50 to 70 grams. The bonding time is in the range of 2 to 3 seconds. Optimum bonding conditions should be determined by trial and error to compensate for slight variations in the condition of the substrate, bonding tip, and the type of device being bonded.
Equipment The heat and pressure are obtained through use of a silicon carbide bonding tip with a radius of two to three mils. Such an item is available from several commercial sources. In order to supply the required tip-travel and apply proper pressure, a standard miniature weld head can be used. Also available is a heated wedge shank which is held by the weld head and in turn holds the tip and supplies heat to it. The wedge shank is heated by means of a simple AC power supply or a pulse type heated tool. Substrate For optimum bonding a gold plated surface at least 100 microinches thick is necessary. Although it is possible to bond to relatively soft metalized substrate material such as epoxy-fiberglass, etc., optimum bonding occurs when a hard material such as ceramic can be used. Quality If a good bond has been obtained, it is impossible to separate the beam-lead device from the metalized substrate without damage. If the device is destructively removed, the beam will tear away, leaving the bonded portion attached to the substrate.
Beam-Lead Packaging
The DSM8100-000 is shipped in 2" x 2" black gel packs. The beam-leads are mounted on the gel, the devices are covered with a piece of lint-free release paper, on top of which is placed a piece of conductive foam.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 4
February 7, 2005 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200096 Rev. B
DATA SHEET * DSM8100-000
Copyright (c) 2002, 2003, 2004, 2005, Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. ("Skyworks") products. These materials are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials. Skyworks may make changes to its documentation, products, specifications and product descriptions at any time, without notice. Skyworks makes no commitment to update the information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from future changes to its documentation, products, specifications and product descriptions. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by or under this document. Except as may be provided in Skyworks Terms and Conditions of Sale for such products, Skyworks assumes no liability whatsoever in association with its documentation, products, specifications and product descriptions. THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED OR OTHERWISE, RELATING TO SALE AND/OR USE OF SKYWORKS PRODUCTS INCLUDING WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. SKYWORKS FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. SKYWORKS SHALL NOT BE LIABLE FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS THAT MAY RESULT FROM THE USE OF THESE MATERIALS WHETHER OR NOT THE RECIPIENT OF MATERIALS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications. Skyworks customers using or selling Skyworks products for use in such applications do so at their own risk and agree to fully indemnify Skyworks for any damages resulting from such improper use or sale. The following are trademarks of Skyworks Solutions, Inc.: Skyworks(R), the Skyworks logo, and Breakthrough Simplicity(R). Product names or services listed in this publication are for identification purposes only, and may be trademarks of Skyworks or other third parties. Third-party brands and names are the property of their respective owners. Additional information, posted at www.skyworksinc.com, is incorporated by reference.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200096 Rev. B * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 7, 2005
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