Hight Current - Hi Voltage Nos Scr Thyristor To83 1/2 Inch Stud Mount Tested

US $15.99

  • Placerville, California, United States
  • Jun 9th
Up for your consideration is Qty 1 Vintage Hi Current Hi Voltage NOS Phase Control Power Silicon Controlled Rectifiers (SCR), also known as Thyristors. There are four (4)  identical NOS SCR's available. These have been tested to ensure the gate triggering function is working.  These SCR’s are very similar to the SCR’s known to be used in a Motorola S1303A Power Supply (0 to 18 V, 0 to 40 A) circa 1975.  (See pictures).  Considering this known application and the minimum specs per the references below, this application represents a very conservative application. Specific data sheets have not been located for these SCR’s.  However, the TO83 package provides some general information which will allow the use of these in conservative current and voltage  applications, i.e., well within the ratings of TO83 devices.   Data sources for the following technical specification ratings: NTE-CRM8 Semiconductor Technical Guide and Cross Reference – 8th Edition 1997 (NTE), pages 1-81, 1-86 The Semiconductor Data Library – Motorola Semiconductor Products First Edition 1972 (MOT), page 5-24 >>It(RMS):  125 Amperes (NTE); 110 Amps (MOT) >>Gate Trigger Current Max, Igt: 150 mAmp (NTE); 150 mAmp (MOT) >>Gate Trigger Voltage Max,Vgt: 3 (NTE); 3 (MOT) >>Holding Current (typ) Ih: not shown (NTE); 30 mAmp (MOT) >>Forward On Voltage Vf: 2.2 (NTE); 3.0 (MOT) >>Peak Surge Current (Amperes) Is: 1600 (NTE); 1800 (MOT) >>Peak Repetitive Off-State Voltage, Vdrm (range); 200 - 1200 (NTE); 100 – 600 (MOT) >>Industry Package  Designation  TO-83 >>Key Package Dimensions   1/2 -20 UNF-2A SW 1.06" The physical condition of these NOS items is excellent with some very minor shelf/storage wear.   Items are sold, “As Is”; no returns or refunds.  The pictures are of the actual item(s) in this auction. Item(s) will be packed very carefully. What this means to you is that you will receive these items as pictured, and most importantly, with no damage and no claim issues. If you have any questions after reading this or after looking at the pictures, please ask through the eBay message system. Domestic Shipping: Standard – First Class Package $3 or Priority Mail $6 International Shipping: Standard – Global Shipping - International Priority Mail - charges will be based on winning bidders location.  Under certain circumstances, direct international shipping can be arranged but only if bidder contacts seller prior to auction end Please request a quote before bidding or your bid may be cancelled. Please check out my other auctions! I combine all purchases for lowest shipping costs if feasible. Very important fine print. Buyer satisfaction is my number one priority.   Please read carefully before bidding!! You are bidding on exactly what is shown in the pictures!  If you receive the goods and feel they do not meet the description, please contact me immediately before leaving feedback.  You will always get a fair deal and good quality from me!!  Check my feedback!!  International Buyers: Shipping will be via the eBay Global Shipping Program. The full value of orders is always shown on customs forms for insurance purposes. Items will not be marked as gifts. Buyer is responsible to pay for any customs fees, duties, or taxes that are necessary to accomplish delivery of the order. If buyer contacts seller before bidding with a special request to ship direct, seller will attempt to meet buyers request.  Buyer is responsible to pay all shipping charges which include insurance and other unique expenses associated with processing international orders such as processing and handling charges.   Combined Shipping - Important!! If buyer wishes to combine purchases, DO NOT PAY IMMEDIATELY! Please send an eBay message to seller requesting a combined invoice with appropriate shipping charges.  When feasible, combined shipping may be utilized.  However, if you pay for any auction prior to receiving a combined invoice, eBay policies are such that seller will not be able to combine auctions to consolidate shipping.   Payment Payment must be received within FIVE days or a non-paying bidder complaint will be filed.  Any unique charges, if applicable, will be noted.     Shipment will typically occur within two (2) business days of receipt of a PayPal instant payment other bank cleared payment. If buyer needs to arrange for any other form of payment, buyer must contact seller for approval 48 hours prior to bid close. Local Sale Some items are concurrently offered for sale locally.  If a local sale is completed prior to the end of this auction, seller reserves the right to cancel the auction regardless of whether there are bids or not. Return Policy Unless otherwise stated, all items are sold “AS – IS”.  No Warranty or right of return is expressed or implied. Insurance/Loss/Damage Claim Policy Certain “High Dollar” and / or breakable items may be insured.  Charges will include insurance only when specifically noted.  Seller will assist buyers if shipment is lost and on damage claims. Thanks for taking the time to read this important information.  If you have any questions, please ask.   Good Bidding & Good Luck!!!!
Condition New other (see details) :
A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections.
Seller Notes No original packaging - some shelf wear - Tested good for triggering

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