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Here you are looking at some genuine RF PIN switching diodes from Agilent , P/N # HSMP-3820 , with device marking "F0" in white (refer to datasheet on marking guideline to distinguish if the part is a genuine one as there are many so called "compatible" devices in the market).  Listing is for 20 pieces only

This is brand new old stock (NOS) in original cut tape. Photo shows my real stock from authorized distributors so buy with confidence.  They are genuine manufacturer's item , NOT "compatible unbranded chips" from other manufacturer.  Not to mention that you have guarantee on specs and S-parameter file by original manufacturer while designing your circuit.  

Again I combine shipping so please use the cart on purchase and ask for total shipping cost before payment !

General specs for reference (datasheet on request for details) :  

HP shows the PIN diodes can work as Step Recovery Diodes (SRD) on frequency multiplication.  Refer to its app notes * on how to use them as low-cost solution for 3x , 5x multiplication up to C-band.

  • Single diode configuration
  • Low resistance to optimize for switching applications
  • Breakdown voltage : 50 V min.
  • Peak current : 1 A (1 ms pulse)
  • Series resistance : 0.6 Ω max.
  • Total capacitance : 0.8 pF max.
  • Package/size SOT-23 SMT
* App notes: www.hp.woodshot.com/hprfhelp/4_downld/lit/diodelit/an1054.pdf  (AN-1054)

Notes to buyer:

  • You are welcomed to check my listings (store :  www.ebay.com/str/hamplace on other interesting but hard-to-fine or obsolete components. All of them are new old stock (NOS) surplus item unless otherwise stated.  
  • Select "Asia" or "Worldwide" under item location since I am from HONG KONG or else you don't see them all.  Items in one eBay site may not shown up properly in others. Please ask if this happens.
  • We do combine multiple orders for great saving on shipping cost to buyers.  Feel free to use the CART and request total from us. 
  • We deliver worldwide. If postal service is not available for some reasons, order will be canceled and buyer gets full refund.  We usually pack and deliver items the next working day after clear payment.
  • Economy postal service with tracking number is used for all delivery. Expedited service is available on request at extra cost to buyer.
  • All items are listed on "as-is" basis with no warranty unless otherwise specified. All statements in the description of this item are made to the best of seller's ability with the assumption that the buyer is knowledgeable in the use of this type of equipment and(or) component. Seller has no liability on any direct or indirect loss or damage  on the use of the sold items under all conditions.
  • Buyer to pay postage and insurance (if any). VAT, GST, import taxes or charges and customs duties etc, if any, are on the responsibility of buyer and(or) recipient and those charges or taxes may be applicable at check-out, if required, in the system or charged by local authority when items get into destination country. No returns or exchanges of sold item without seller's approval. Non-payable buyer will get negative feedback and not allowed to bid or purchase in future.