{"product_id":"irf510n-irf510-n-channel-mosfet-to220-100v-5-6a-rf-audio-5pack","title":"IRF510N \/ IRF510 N-Channel MOSFET — TO-220, 100V 5.6A, RF \u0026 Audio Amplifier (5-Pack)","description":"\u003ch2\u003eIRF510N \/ IRF510 N-Channel MOSFET — TO-220, 100V, 5.6A, RF \u0026amp; Audio Amplifier (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe IRF510N (also known as IRF510) is a classic N-channel enhancement-mode power MOSFET in a TO-220 package, rated at 100V and 5.6A with 0.54Ω RDS(on). Originally designed for switching power supplies, it became famous in the amateur radio community as the output transistor in QRP (low-power) HF RF power amplifiers due to its excellent RF linearity at low drain currents. It is also widely used in audio amplifier output stages and general-purpose power switching.\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\u003eTO-220 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain-Source Voltage (VDS)\u003c\/td\u003e\n\u003ctd\u003e100V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Drain Current (ID)\u003c\/td\u003e\n\u003ctd\u003e5.6A (TC=25°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Resistance RDS(on)\u003c\/td\u003e\n\u003ctd\u003e0.54Ω (VGS=10V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate Threshold Voltage (VGS(th))\u003c\/td\u003e\n\u003ctd\u003e2–4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Capacitance (Ciss)\u003c\/td\u003e\n\u003ctd\u003e180pF typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransconductance (gfs)\u003c\/td\u003e\n\u003ctd\u003e1.3 S typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-55°C to +175°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\u003eWhy Choose IRF510N?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRF amplifier proven\u003c\/strong\u003e — the standard MOSFET for QRP HF RF power amplifiers (1–10W, 1–30MHz) in amateur radio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow input capacitance (180pF)\u003c\/strong\u003e — easy to drive at RF frequencies without large gate current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100V \/ 5.6A rating\u003c\/strong\u003e — suitable for 12–24V power switching and audio output stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTO-220 through-hole\u003c\/strong\u003e — easy to prototype and mount on heatsinks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — enough for push-pull RF amplifier pairs 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\u003eQRP HF RF power amplifier\u003c\/strong\u003e: Class E\/F amplifier for 40m\/20m\/10m amateur radio bands (IRF510 push-pull pair, 12V supply, 5–10W output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio amplifier output stage\u003c\/strong\u003e: Class AB MOSFET audio amplifier (complementary pair with IRF9510 P-channel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC motor speed control\u003c\/strong\u003e: PWM motor driver for 12–24V DC motors up to 5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSMPS switching stage\u003c\/strong\u003e: Flyback or forward converter switch up to 100V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic load\u003c\/strong\u003e: Constant-current dummy load for power supply testing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Why is IRF510 so popular for QRP RF amplifiers?\u003c\/strong\u003e\u003cbr\u003eA: The IRF510 has a relatively low input capacitance (180pF) and good transconductance at low drain currents, making it easy to drive at HF frequencies (1–30MHz) without a complex gate driver. Its 100V rating provides safety margin for RF voltage swings. The ARRL Handbook and many QRP kit designs (like the BitX transceiver) use IRF510 as the PA transistor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the complementary P-channel MOSFET for IRF510 in audio amplifiers?\u003c\/strong\u003e\u003cbr\u003eA: The IRF9510 (P-channel, -100V, -4A) is the complementary pair for IRF510 in Class AB audio amplifier output stages. Together they form a complementary source-follower output stage similar to the classic MOSFET amplifier designs by Nelson Pass.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can IRF510 be used at 5V gate drive (logic-level)?\u003c\/strong\u003e\u003cbr\u003eA: Partially. The gate threshold is 2–4V, so it will turn on at 5V, but RDS(on) at VGS=5V is significantly higher than at VGS=10V (0.54Ω). For full enhancement and low RDS(on), use VGS=10V. For logic-level 5V drive with low RDS(on), use a logic-level MOSFET like IRLZ44N instead.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× IRF510N \/ IRF510 N-Channel MOSFET (TO-220)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991458074859,"sku":"\u003cnone\u003e","price":9.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irf510n-irf510-n-channel-mosfet-to-220-ic-chipset.webp?v=1761795680","url":"https:\/\/keszoox.com\/products\/irf510n-irf510-n-channel-mosfet-to220-100v-5-6a-rf-audio-5pack","provider":"Keszoox","version":"1.0","type":"link"}