{"product_id":"cd4047be-astable-monostable-multivibrator-cmos-dip14-3-15v-5pack","title":"CD4047BE Astable \/ Monostable Multivibrator CMOS IC — DIP-14, 3–15V, 50% Duty (5-Pack)","description":"\u003ch2\u003eCD4047BE Astable \/ Monostable Multivibrator CMOS IC — DIP-14, 3–15V, 50% Duty Cycle (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe CD4047BE is a CMOS low-power astable\/monostable multivibrator IC in a DIP-14 package. In astable mode, it generates a continuous square wave with a precise 50% duty cycle using a single external R\/C network. In monostable mode, it generates a single output pulse of defined width triggered by a rising or falling edge. With 3–15V supply range and complementary Q\/̅Q outputs, it is widely used as the oscillator and gate driver in low-power inverter circuits, DC-AC inverters, and pulse generation applications.\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\u003eDIP-14 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3V – 15V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Modes\u003c\/td\u003e\n\u003ctd\u003eAstable (free-running) + Monostable (one-shot)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuty Cycle (astable)\u003c\/td\u003e\n\u003ctd\u003e50% (fixed, complementary Q\/̅Q outputs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency (astable)\u003c\/td\u003e\n\u003ctd\u003ef ≈ 1 \/ (4.4 × R × C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse Width (monostable)\u003c\/td\u003e\n\u003ctd\u003et ≈ 2.48 × R × C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e±1mA (CMOS, low drive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-55°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCD4047 vs NE555 vs CD4047 — Oscillator Comparison\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eCD4047BE\u003c\/th\u003e\n\u003cth\u003eNE555 (astable)\u003c\/th\u003e\n\u003cth\u003eCD4060\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuty cycle\u003c\/td\u003e\n\u003ctd\u003eFixed 50%\u003c\/td\u003e\n\u003ctd\u003eAdjustable (\u0026gt;50%)\u003c\/td\u003e\n\u003ctd\u003e50% (with divider)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplementary outputs\u003c\/td\u003e\n\u003ctd\u003eYes (Q + ̅Q)\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply voltage\u003c\/td\u003e\n\u003ctd\u003e3–15V\u003c\/td\u003e\n\u003ctd\u003e4.5–15V\u003c\/td\u003e\n\u003ctd\u003e3–15V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003e50% duty inverter driver, push-pull oscillator\u003c\/td\u003e\n\u003ctd\u003eAdjustable duty PWM, timer\u003c\/td\u003e\n\u003ctd\u003eFrequency divider chain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose CD4047BE?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 50% duty cycle\u003c\/strong\u003e — essential for push-pull and half-bridge inverter topologies that require equal on-time for both switches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplementary Q\/̅Q outputs\u003c\/strong\u003e — directly drives both sides of a push-pull transformer driver without additional logic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3–15V supply\u003c\/strong\u003e — works from 3V battery to 12V\/15V supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoth astable and monostable\u003c\/strong\u003e — one IC covers oscillator and one-shot timer applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — sufficient for multiple inverter and timer builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC-AC inverter oscillator\u003c\/strong\u003e: CD4047BE astable mode at 50Hz (R=47kΩ, C=100nF) drives push-pull MOSFET stage (IRF540N) for 12V→220V inverter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHalf-bridge inverter driver\u003c\/strong\u003e: Q and ̅Q outputs drive two MOSFETs\/IGBTs in complementary switching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltrasonic transducer driver\u003c\/strong\u003e: 40kHz astable oscillator for ultrasonic cleaner or distance sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonostable pulse generator\u003c\/strong\u003e: One-shot pulse for debounce, delay, or trigger circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency generator\u003c\/strong\u003e: Adjustable frequency square wave from audio (20Hz) to ~500kHz\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I calculate R and C for a 50Hz inverter oscillator with CD4047?\u003c\/strong\u003e\u003cbr\u003eA: In astable mode: f = 1 \/ (4.4 × R × C). For f=50Hz: R × C = 1 \/ (4.4 × 50) = 0.00454. Choose C=100nF (0.1μF), then R = 0.00454 \/ 0.0000001 = 45.4kΩ. Use 47kΩ standard value for ~48Hz, or 43kΩ for ~52Hz. Fine-tune with a trimmer potentiometer in series with R.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can CD4047BE directly drive MOSFET gates for an inverter?\u003c\/strong\u003e\u003cbr\u003eA: CD4047BE output current is only ~1mA (CMOS), insufficient to drive MOSFET gates directly at high frequency. Use a gate driver IC (IR2104S, TC4420, UCC27524) or a totem-pole buffer (two BC547\/BC557 transistors) between CD4047 outputs and MOSFET gates. For low-frequency (50–60Hz) inverters with small MOSFETs (\u0026lt;10nC gate charge), direct drive may work at reduced switching speed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the maximum frequency for CD4047BE?\u003c\/strong\u003e\u003cbr\u003eA: CD4047BE can oscillate up to approximately 1–2MHz at 15V supply. At 5V, maximum reliable frequency is ~500kHz. For audio and ultrasonic frequencies (20Hz–100kHz), CD4047BE is fully adequate. For higher frequencies, use a dedicated oscillator IC (74HC14 RC oscillator, Si5351 PLL).\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× CD4047BE Astable\/Monostable Multivibrator CMOS IC (DIP-14)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991467020523,"sku":"\u003cnone\u003e","price":9.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/cd4047be-dip14-logic-ic-multi-frequency-oscillator.webp?v=1761719215","url":"https:\/\/keszoox.com\/products\/cd4047be-astable-monostable-multivibrator-cmos-dip14-3-15v-5pack","provider":"Keszoox","version":"1.0","type":"link"}