M. W. Persons and Associates, Inc.

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Radio Broadcast Technical Consulting and Sales
10032 Island Drive, Brainerd, MN  56401

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If you have a question, e-mail us.

 Quantity
Available
Diodes/Rectifiers Price Each
4 ASSR1015 Solid State Rectifier Stacks  Very good condition.  These are direct plug-in replacements for 8008 mercury vapor rectifier tubes.  Each is cast in black epoxy and plugs in just as a mercury vapor tube would. $40.00
6 CCA HF3602 High voltage diode (Z1-Z6) used in 3 KW CCA FM Transmitter.  Good condition $80.00
1 CCA SPF 35CCA Full Wave Bridge Rectifier used in the IPA section of a 3 KW CCA FM Transmitter.  Good condition $40.00
2 Gates/Harris high voltage diode with heat sink.  Has 3.6 volts forward drop indicating six diodes in each one.  That probably means 6 KV peak inverse voltage capability.  Size 3" x 2-1/8" x 3/4".  These are typically used in high voltage stacks in Gates or Harris BC-5H, FM5, FM10, etc transmitters from the 1960s and 1970s.  Good working condition.  photo $30.00
4 GE C185C Silicon Controlled Diodes.  New $30.00
4 GE 6RS21S A11H11AD H3 Selenium Rectifier.  Used and in good condition $20.00
1 HVCA 3HG20C Diode.  20 KV/3 Amp.  1" x 1" x 7" black epoxy block with solder terminals.  Used and in good condition $50.00
3 International Rectifier 66-6288 RectifierCenter tapped rectifier.  1" x 1" x 8" black epoxy block with 6-32 screw terminals. Typically three of these are used in a 3-phase high voltage power supply for a 5 KW FM broadcast transmitter.  Used, but in good operating condition.  $60.00
2 International Rectifier S8 66-8365 Diode.  New. $40.00
1 International Rectifier S8 66-8365 Diode.  Removed from equipment, but fully functional. $30.00
2 International Rectifier S7 66-8366 Diode.  New. $40.00
2 International Rectifier S7 66-8366 Diode.  Removed from equipment, but fully functional. $30.00
2 International Rectifier 67-7747 Diode stack10 KV/2 Amp with center tap.  Has 10 cells, each with two diodes along with capacitors and resistors to divide the voltage equally to all cells.  Typically used in Collins and Gates transmitters.  Removed from equipment, but fully functional.  $50.00
1 RCA 8722964-50 Rectifier Stack. Has 12 each 600 volt/1 ampere diodes in series, each in parallel with a 27K ohm/2 watt carbon composition resistor.  20 ohm/10 watt resistor in series with the string of diodes.  On 6-3/8" x 2-3/4" circuit card.  Never used. $20.00
6 Semikron HSKE00/1100-0,3 Solid State Rectifier.  6000 volts at 0.45 amperes.  3.6 volts forward voltage drop.  1-5/8" long x 5/8" diameter.  Used, but in good working condition. $12.00
6 Semtech Simpac SCH 5000 (SCH5000) Solid State Rectifier.  5000 volts at 0.5 amperes or 1.0 amperes with some air cooling.  5 volts or less forward voltage drop.  New, unused. $10.00
7 Solitron SLD-11 CCA Solid State Rectifier.  Sometimes labeled HF3602 or 16CCA.  2" x 2" x 6" black epoxy blocks with screw terminals.  Typically used in a 3 KW FM transmitter.  Used, but in good working condition $50.00
2 Wilkinson SR-14-6 Solid State Rectifier Stacks. 14 KV PIV/6 Amperes.  Each stack has 14 diodes.  6 stacks are used in a three phase 5400 volt/2 amp DC power supply of Gates BC-5B transmitter.  Excellent $50.00

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Please do not call regarding used equipment items.  If you have a question, e-mail us.
 

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page last edited 01/15/2014