{"product_id":"bav99-dual-switching-diode-sot23-70v-200ma-series-20pack","title":"BAV99 Dual Switching Diode — SOT-23, 70V, 200mA, Series Configuration (20-Pack)","description":"\u003ch2\u003eBAV99 Dual Switching Diode — SOT-23, 70V, 200mA, Series Configuration (20-Pack)\u003c\/h2\u003e\u003cp\u003eThe BAV99 contains two small-signal switching diodes in a single SOT-23 SMD package, connected in series with a common anode at pin 2. With a 70V reverse voltage rating, 200mA forward current, and 4ns reverse recovery time, it is widely used for ESD protection, signal clamping, voltage steering, and high-speed signal switching in compact SMD PCB designs. The series configuration makes it ideal for two-diode protection networks and OR-ing circuits.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOT-23 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eDual diode, series (common anode at pin 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse Voltage (VR)\u003c\/td\u003e\n\u003ctd\u003e70V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Current (IF)\u003c\/td\u003e\n\u003ctd\u003e200mA continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Voltage (VF)\u003c\/td\u003e\n\u003ctd\u003e0.715V typ. (IF=1mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse Recovery Time (trr)\u003c\/td\u003e\n\u003ctd\u003e4ns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJunction Capacitance (Cj)\u003c\/td\u003e\n\u003ctd\u003e1.5pF typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-65°C to +150°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e20 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eBAV99 Internal Configuration\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 1\u003c\/td\u003e\n\u003ctd\u003eAnode of D1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 2\u003c\/td\u003e\n\u003ctd\u003eCathode of D1 \/ Anode of D2 (common)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 3\u003c\/td\u003e\n\u003ctd\u003eCathode of D2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose BAV99?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual diodes in SOT-23\u003c\/strong\u003e — two diodes in one package saves PCB space vs two discrete SOD-323 diodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4ns recovery time\u003c\/strong\u003e — fast switching for high-frequency signal applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.5pF junction capacitance\u003c\/strong\u003e — minimal signal distortion at RF and high-speed digital frequencies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70V reverse rating\u003c\/strong\u003e — suitable for 5V, 12V, and 24V signal protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20-pack value\u003c\/strong\u003e — sufficient for multiple ESD protection networks and repair stock\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD protection\u003c\/strong\u003e: Clamp GPIO pins of ESP32, STM32, or Arduino to VCC\/GND to protect against electrostatic discharge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal OR-ing\u003c\/strong\u003e: Combine two signal sources with diode OR logic (D1 and D2 as separate OR diodes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage clamping\u003c\/strong\u003e: Clamp analog signal to reference voltage range before ADC input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolarity protection\u003c\/strong\u003e: Reverse polarity protection in low-current circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-speed switching\u003c\/strong\u003e: Signal switching in RF and high-frequency digital circuits up to 100MHz\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between BAV99, BAV70, and BAV99W?\u003c\/strong\u003e\u003cbr\u003eA: BAV99 has two diodes in series (common anode at pin 2). BAV70 has two diodes in parallel (common cathode). BAV99W is the same as BAV99 but in a smaller SOD-323 package. Choose BAV99 for series\/clamping applications, BAV70 for parallel\/OR applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can BAV99 be used for ESD protection on Arduino GPIO pins?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Connect pin 1 to GND, pin 3 to VCC (5V), and pin 2 to the GPIO signal line. D1 clamps negative transients to GND, D2 clamps positive transients to VCC. This limits the GPIO voltage to the safe range (GND−0.7V to VCC+0.7V) during ESD events.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the maximum switching frequency for BAV99?\u003c\/strong\u003e\u003cbr\u003eA: With 4ns reverse recovery time and 1.5pF junction capacitance, BAV99 can switch reliably up to approximately 100MHz. For higher frequencies (above 500MHz), use a dedicated RF switching diode (BAP50, HSMP-3810) with lower capacitance.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e20× BAV99 Dual Switching Diode (SOT-23)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991461187819,"sku":"\u003cnone\u003e","price":4.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/bav99-a7-a7w-sot-23-0-2a-70v-smd-diode-ic-chipset.webp?v=1761794534","url":"https:\/\/keszoox.com\/products\/bav99-dual-switching-diode-sot23-70v-200ma-series-20pack","provider":"Keszoox","version":"1.0","type":"link"}