The term switching and rectifier refer to how the didoe is normally used in a cicuit. But I think radioshack does sell the 1N32 or something similar, any germanium diode will be very similar. 1N4148 Description. 1N4148 ON Semiconductor / Fairchild Diodes - General Purpose, Power, Switching 100V Io/200mA BULK datasheet, inventory, & pricing. 1N4148: High Conductance Fast Diode. Looking at the Fairchild datasheet , the guaranteed max capacitance is less for the 916A/B and 4448 than the 914A/B/4184 (2pF vs. 4pF), and the forward voltage min/max ratings differ, but there's nothing I see that prevents them all from being made with a single die . If this datasheet link is broken, the datasheet may still be available at ��� The 1N4148 replaced the 1N914, which had a much higher leakage current (5 microamps vs. 25 nanoamps). Compare. www.diodes.com. SKU: RDNA-122.4 Category: Diodes. The recommended largest reverse working voltage is given as 75 VDC. NTE Semiconductors NTE Part Number: NTE519 Description: SI-DIODE, FAST SWITCHING, 4 TO 8 ns + QTY Per Package: 1 QTY In Stock: 390 There is a 1-2 week lead-time for out of stock items. NOT RECOMMENDED FOR ��� Dear all, Given the success in the last thread on transistors, I thought I would ask about SMT variants of the venerable 1N4148 diode.. handbook, halfpage MAM246 k a The 1N4148 is a general-purpose silicon junction diode encapsulated in a glass SOD27 (DO-35) package. 1N4148, 1N4150, 1N4151, 1N4448 1N4148, 1N4150, 1N4151, 1N4448 Ultrafast Switching Si-Planar Diodes Ultraschnelle Si-Planar-Dioden Version 2012-07-30 Dimensions - Maße [mm] Max. 1N4148 4148 DO���204AH (DO���35) Bulk 1N4148TA 4148 DO���204AH (DO���35) Ammo 1N4148���T26A 4148 DO���204AH (DO���35) Ammo ... GENERAL RULE: The Reverse Current of a diode will approximately double for every ten (10) Degree C increase in Temperature Figure 2. Click here for the datasheet for NTE519. Breakdown specifications taken from the 1N4148 datasheet are shown highlighted in the figure below. Reverse Current vs. This diode has wide operating parameters, which makes it suitable for a range of uses involving power and small signal applications. 2 of 3 . Share this product. Here I am doing the same thing and wondering the same question. Today, I am going to give an The 4148 is a fast recovery diode. Add to cart. I got as far as the MMSD4148, but I suspect there are other "common" old-school diodes that have been converted to SMT.. ... 1N4148 diodes now on order w/ GPE 0. power dissipation Max. Useful for logic speed signals. ��� Electrically equivalent diodes: 1N4148 - 1N914 ... 1N4148 1N4148-TAP or 1N4148TR V4148 Single diode Tape and reel/ammopack ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified) PARAMETER TEST CONDITION SYMBOL VALUE UNIT Repetitive peak reverse voltage VRRM 100 V Reverse voltage VR 75 V Find the PDF Datasheet, Specifications and Distributor Information. The cathode terminal can be identified by using a grey bar as shown in the picture above. Instead it * improves modeling in the reverse * mode of operation. 9 - 3. MARKING TYPE NUMBER MARKING CODE 1N4148 1N4148PH or 4148PH 1N4448 1N4448 Fig.1 Simplified outline (SOD27; DO-35) and symbol. What's the difference? A diode is a diode. 1.4, 06-Jul-17 3 Document Number: 81857 For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. You should probably understand that the 1N4148 (or 914 for that matter) get selected for circuits more *because* they are readily available and not due to any specific traits. Can a 1N4148 be substituted for a 1N4001? aobrien5. That is the current should always flow from the Anode to cathode. Add to Wishlist. Thanks. 0. Package includes: 10 x 1N4148 Diodes. September 2014 © Diodes Incorporated . Order today, ships today. Hello everyone! So, what other cheap-as-chips SMT small signal diodes are really common?-- Damien John. 1N4148.1N4448 Vishay Semiconductors Rev. Verlustleistung 500 mW Repetitive peak reverse voltage (unless you have a laptop or an otherwise crappy parallel port). The NOPPP will work with a normal 1N914, 1N4148 etc. Diode Pinout, Equivalent, Datasheet, Features, Specifications & Other Details The 1N4148 is a standard silicon switching diode. Document number: DS28002 Rev. The diodes are type branded. Adam. 1N4001-1N4007. I found some diode comparison charts online. It is like subbing a mustang for a camaro. Re: TECH: 1N4148 and 1N4001 diodes. 1N4148 from Fairchild Semiconductor. beaver: 11/5/09 3:59 AM: It depends on your application. ��� Silicon epitaxial planar diode ��� Electrically equivalent diodes: 1N4148 ��� 1N914. 1N914 diode, which is compatible with the 1N4148 diode ;) So the 1S2374 is a plain normal diode and couldn't even be a Schottki diode, as I learned the reverse current leakage of those diodes would ruin the non-chargeable Lithium cell when used in a battery backup circuit. A diode is a device which allows current flow through only one direction. 0 #3 5 years ago AJO. There are 1N914, 1N914A, 1N914B, 1N916, 1N916A, 1N916B, 1N4148, 1N4448, with fairly subtle differences between them. Since leakage is almost never a desirable property, manufacturers today produce the 1N4148 and sell it as either part number. Pricing and Availability on millions of electronic components from Digi-Key Electronics. 4, 12-Feb-01 1 (4) Document Number 85521 www.vishay.com Fast Switching Diodes Features Silicon Epitaxial Planar Diodes Electrically equivalent diodes: 1N4148 ��� 1N914 1N4448 ��� 1N914B Applications Extreme fast switches The 1N4148 and 1N4448 are high-speed switching diodes fabricated in planar technology, and encapsulated in hermetically sealed leaded glass SOD27 (DO-35) packages. At room temperature, we expect to observe a breakdown voltage greater than 100 VDC. Replacement and Equivalent. If you are rectifying small low current signals then you can used a 1N4148. It is a high-speed switching junction diode, which consists of a slab of p-type and an n-type semiconductor material in close contact with each other. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT Pinside member . 1N4148 from Texas Instruments High-Performance Analog. 1N4148 Diode (10 Pcs) quantity. The other is a general purpose diode. Description ; Reviews (0) Description. You didn't mentioned, in which circuit you are using it, if the use is not critical then you can even use many other equivalent diodes like 1N914, 1N914A, 1N914B, 1N916, 1N916A, 1N916B, 1N4148, 1N4448. Datasheet: Small Signal Diode Rev. 1N4148 www.vishay.com Vishay Semiconductors Rev. The standard spice model of a diode under reverse bias is the following, \[I_D = \begin{cases} Only difference is that 1n4148 has low leakage current than 1n914, but even for some manufacturers the leakage current is same for both the diodes. Highland, IN 7y 85,800 3,770 4 8 How about that for timing. Find the PDF Datasheet, Specifications and Distributor Information. Small Signal Fast Switching Diodes. I hope you will be absolutely fine and having fun. 1N4148 Small Signal Fast Switching Diodes, available from Vishay Intertechnology, a global manufacturer of electronic components. 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