Zener diodes are in stock with sameday shipping at mouser electronics from industry leading manufacturers. Datasheets 1ss355, bas516, bc807, bc807w, mm1z12, mm5z8v2, mmbd914, mmdl914, mmsd914. Zs and zts are both 2pc4081q devices made by philips. Types of diodes small signal, led, schottky, zener. The type of diode also has some importance in defining the forward voltage drop. Marking of electronic components, smd codes 5d, 5d, 5dw. Examine the diode carefully and note the color of the casing and the band. Just put several standard diodes in series, cathodeanodecathodeanode etc. New original 10tq040 ic integrated circuit,smd transistor,smd diode 10tq040 why choose us. Mouser is an authorized distributor for many zener diode manufacturers including central semiconductor, diodes inc, microsemi, nexperia, on semiconductor. The appearance of signal diode is very small when compared with the power diode. The second picture shows the zener removed but the colour bands look alot clearer stuck in the glue. Many glass diodes used to be colour coded, but it was also fairly common to have markings printed on them which were always extremely vulnerable to wearing off due to handling unless the whole diode body was painted, and in more recent years, unmarked apart from the cathode band glass diodes have become common.
Identify zener diode electrical engineering stack exchange. Marked 2y4 to 75y e24 series bzv49 series 1w zener diodes 2. Zener diode identification color bands electronics. The sod80 package, also known as minimelf, is a small glass, sometimes plastic cylinder with metal ends.
Following is a smd rectifier m1m7 smd 40014007 specifications and features, we are supply the best smd rectifier m1m7 smd. For pack quantities of 10, an order qty of 1 equals 1 pack of 10, price shown is per pack i. In the worst case, the glass body of the diode can crack, so th e fo llo w in g, inserltion of the diode in a pcb. Smb do214aa zener diodes diodes and rectifiers vishay. All the zeners have some preferred reversebias current that they need in order to operate. Typically, a silicon diode will have a vf around 0. Surface mount standard smd fast rectifier diode color code. Zener color codes if this is your first visit, be sure to check out the faq by clicking the link above. I am working on a power supply board made by lg, and have a single shorted smd diode. The diode is labeled as k45l and there are no other markings other than the anode band. Smb do214aa, zener diodes, diodes and rectifiers manufactured by vishay, a global leader for semiconductors and passive electronic components. Features, specifications, alternative product, product training modules, and datasheets are all available.
You mentioned 4 zener diodes codes which is actually only 2 ie. A zener diodes breakdown voltages can range from 2 to 200 volts, making it useful in a variety of applications. To indicate the cathode terminal one edge is marked with black or red in color. About zener diode color code electronics repair and. Marking of electronic components, smd codes sd, sdbb, sdcb. Shop onlinezener diodesuse for voltage regulation3v to 20v zener1w power ratingsmd mounting optionsfree shipping and cod available. Diode code identification power electronics a to z. This letter denotes the tolerance of the zener voltages. This diode sits across the gate and source of a w9nk70z fet anode to gate and cathode to source and is dead shorted. This means that hey are able to conduct when they are reversebiased. If you areunable to identify the code, do not worry as this newsletter are here to guide you to successfully on how to read the zener diode code. A specific diodes vf depends on what semiconductor material its made out of. Please ensure the context of the component used in the electronic design is correct.
These ratings are limiting values above which the serviceability of the diode may be impaired. I know its is a bzv55 but no idea on the voltage, i think it has a red, red, blue bands reading from the cathode. Smdsmt 5 w zener diodes are available at mouser electronics. The zener voltage is measured with the device junction in the thermal equilibrium at the lead. Zener diode identification and uses bright hub engineering.
Bzx79c zener diodes on semiconductor whether you are working on a cutting edge design, upgrading an existing design or purchasing for your bom, on semiconductor is your preferred, reliable source of industry standard zener diodes. Time and moneyare loss due to that we lack of knowledge of identify the right zener diode voltage. Since we do not have many data about zener diode, you may need to remove zener diode and check it off board and compare with a good one. Marking of electronic components, smd codes 5d, 5d, 5dw, 5dp, 5dt.
Diodes group body marking vishay general semiconductor. Diode capacitance vr 0, f 1 mhz cd 4pf reverse recovery time if 10 ma, ir 1 ma, vr 6 v, rl 100. This is unlike normal diodes, which will selfdestruct. The 1n4743a is a zener diode that can provide a reference voltage of volts and is heat resistant. The 1n914 is a highspeed switching diode that is similar to the 1n4148. Small signal fast switching diodes vishay intertechnology. Zener diodes zener diodes smd type 200 mwatts type no. Browse digikeys inventory of glass zener diodes military, milprfzener single. The following presents the marking code for common smd component for 2 pins diode component. A zener diode is a silicon diode that is optimized to work in what is known as the breakdown region. Sz40d0 datasheet 2w smd zener diode kd, sz40d0 pdf, sz40d0 pinout, sz40d0 equivalent, data, circuit, output, ic, sz40d0 schematic. Smd type 350 mwatts sot23 200 mwatts sot323 bzx84c2v4 bzx84c2v7 bzx84c3v0 bzx84c3v3 bzx84c3v6 2. This well established zener diode series for the 1n3016b1 through 1n3045b1 jedec registration in the glass do41 package provides a glass hermetic seal for 6. The band color is usually black, though some are white or red.
1277 322 1427 1395 728 1024 670 910 505 1470 892 881 353 699 223 621 1523 33 799 884 596 935 804 647 718 1008 118 969 796 240 1039 551 246 1412 1073 1289 375