FDH44N50Alternatives & Equivalent Parts
About FDH44N50
FDH44N50 is a MOSFET (N-Channel) component manufactured by ON Semiconductor. It comes in a Transistor Outline, Vertical package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | FDH44N50Source | TC4421AVOA | LGW2G561MELC45 | STM32F303C8T6 | 1.5KE440A |
|---|---|---|---|---|---|
| Manufacturer | ON Semiconductor | Microchip | Nichicon | STMicroelectronics | STMicroelectronics |
| Package Type | Transistor Outline, Vertical | Small Outline Packages | Capacitor, Polarized Radial Diameter | Quad Flat Packages | Diodes, Axial Diameter Horizontal Mounting |
| Pin Count | 3 | 8 | 2 | 48 | 2 |
| Temperature Range | -55.0°C ~ 175.0°C | -40.0°C ~ 125.0°C | -25.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | -55.0°C ~ 175.0°C |
| Price | $4.5830 | $1.2804 | $6.1175 | $3.5010 | $0.1911 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | END OF LIFE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | Yes | — | — |
| Manufacturer Package Code | 340CK | SOIC-8 | — | LQFP 48 7x7x1.4 | — |
| YTEOL | 5.95 | 8 | 6 | 9 | 1 |
| Avalanche Energy Rating (Eas) | 1500 mJ | — | — | — | — |
| Case Connection | DRAIN | — | — | — | ISOLATED |
| Configuration | SINGLE WITH BUILT-IN DIODE | — | — | — | SINGLE, 1 CHANNEL |
| DS Breakdown Voltage-Min | 500 V | — | — | — | — |
| Drain Current-Max (ID) | 44 A | — | — | — | — |
| Drain-source On Resistance-Max | 0.12 Ω | — | — | — | — |
| FET Technology | METAL-OXIDE SEMICONDUCTOR | — | — | — | — |
| JEDEC-95 Code | TO-247 | — | — | — | DO-201 |
| JESD-30 Code | R-PSFM-T3 | R-PDSO-G8 | — | S-PQFP-G48 | O-PALF-W2 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 |
| Number of Elements | 1 | — | — | — | 1 |
| Operating Mode | ENHANCEMENT MODE | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | CYLINDRICAL PACKAGE | SQUARE | ROUND |
| Package Style | FLANGE MOUNT | SMALL OUTLINE | CYLINDRICAL | FLATPACK, LOW PROFILE, FINE PITCH | LONG FORM |
| Polarity/Channel Type | N-CHANNEL | — | — | — | — |
| Power Dissipation-Max (Abs) | 750 W | — | — | — | — |
| Pulsed Drain Current-Max (IDM) | 176 A | — | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | — | Not Qualified |
| Surface Mount | NO | YES | NO | YES | NO |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) - annealed |
| Terminal Form | THROUGH-HOLE | GULL WING | — | GULL WING | WIRE |
| Terminal Position | SINGLE | DUAL | — | QUAD | AXIAL |
| Transistor Application | SWITCHING | — | — | — | — |
| Transistor Element Material | SILICON | — | — | — | — |
| Factory Lead Time | — | 6 Weeks | — | 13 Weeks | 25 Weeks |
| High Side Driver | — | YES | — | — | — |
| Input Characteristics | — | SCHMITT TRIGGER | — | — | — |
| Interface IC Type | — | BUFFER OR INVERTER BASED MOSFET DRIVER | — | — | — |
| Number of Functions | — | 1 | — | — | — |
| Output Characteristics | — | TOTEM-POLE | — | — | — |
| Output Peak Current Limit-Nom | — | 10 A | — | — | — |
| Output Polarity | — | INVERTED | — | — | — |
| Package Equivalence Code | — | SOP8,.25 | — | QFP48,.35SQ,20 | — |
| Peak Reflow Temperature (Cel) | — | 260 | — | NOT SPECIFIED | — |
| Screening Level | — | TS 16949 | — | — | — |
| Supply Current-Max | — | 0.5 mA | — | 79.1 mA | — |
| Supply Voltage-Max | — | 18 V | — | 3.6 V | — |
| Supply Voltage-Min | — | 4.5 V | — | 3.3 V | — |
| Supply Voltage-Nom | — | 12 V | — | 3.3 V | — |
| Supply Voltage1-Max | — | 18 V | — | — | — |
| Supply Voltage1-Min | — | 4.5 V | — | — | — |
| Supply Voltage1-Nom | — | 12 V | — | — | — |
| Temperature Grade | — | AUTOMOTIVE | — | — | — |
| Terminal Pitch | — | 1.27 mm | 10 mm | 0.5 mm | — |
| Turn-off Time | — | 0.105 µs | — | — | — |
| Turn-on Time | — | 0.1 µs | — | — | — |
| Reach Compliance Code | — | — | Compliant | — | — |
| Capacitance | — | — | 560 µF | — | — |
| Capacitor Type | — | — | ALUMINUM ELECTROLYTIC CAPACITOR | — | — |
| Diameter | — | — | 35 mm | — | — |
| Dielectric Material | — | — | ALUMINUM (WET) | — | — |
| Leakage Current | — | — | 1.41 mA | — | — |
| Mounting Feature | — | — | THROUGH HOLE MOUNT | — | — |
| Negative Tolerance | — | — | 20% | — | — |
| Packing Method | — | — | BULK | — | — |
| Polarity | — | — | POLARIZED | — | UNIDIRECTIONAL |
| Positive Tolerance | — | — | 20% | — | — |
| Rated (DC) Voltage (URdc) | — | — | 400 V | — | — |
| Ripple Current | — | — | 3180 mA | — | — |
| Terminal Shape | — | — | SNAP-IN | — | — |
| Has ADC | — | — | — | YES | — |
| Bit Size | — | — | — | 32 | — |
| Boundary Scan | — | — | — | YES | — |
| CPU Family | — | — | — | CORTEX-M4 | — |
| Clock Frequency-Max | — | — | — | 32 MHz | — |
| DAC Channels | — | — | — | YES | — |
| DMA Channels | — | — | — | YES | — |
| Format | — | — | — | FLOATING-POINT | — |
| Integrated Cache | — | — | — | NO | — |
| Low Power Mode | — | — | — | YES | — |
| Number of DMA Channels | — | — | — | 7 | — |
| Number of External Interrupts | — | — | — | 37 | — |
| Number of I/O Lines | — | — | — | 37 | — |
| Number of Serial I/Os | — | — | — | 3 | — |
| Number of Timers | — | — | — | 9 | — |
| On Chip Data RAM Width | — | — | — | 8 | — |
| On Chip Program ROM Width | — | — | — | 8 | — |
| PWM Channels | — | — | — | YES | — |
| RAM (bytes) | — | — | — | 16384 | — |
| ROM (words) | — | — | — | 65536 | — |
| ROM Programmability | — | — | — | FLASH | — |
| Speed | — | — | — | 72 MHz | — |
| Technology | — | — | — | CMOS | AVALANCHE |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | NOT SPECIFIED | — |
| uPs/uCs/Peripheral ICs Type | — | — | — | MICROCONTROLLER, RISC | — |
| Additional Feature | — | — | — | — | UL RECOGNIZED |
| Breakdown Voltage-Max | — | — | — | — | 462 V |
| Breakdown Voltage-Min | — | — | — | — | 418 V |
| Breakdown Voltage-Nom | — | — | — | — | 440 V |
| Clamping Voltage-Max | — | — | — | — | 776 V |
| Diode Capacitance-Min | — | — | — | — | 360 pF |
| Diode Element Material | — | — | — | — | SILICON |
| Diode Type | — | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE |
| Non-rep Peak Rev Power Dis-Max | — | — | — | — | 1500 W |
| Power Dissipation-Max | — | — | — | — | 5 W |
| Reference Standard | — | — | — | — | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 |
| Rep Pk Reverse Voltage-Max | — | — | — | — | 376 V |
| Reverse Current-Max | — | — | — | — | 5 µA |
| Reverse Test Voltage | — | — | — | — | 376 V |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for FDH44N50 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for FDH44N50 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating FDH44N50 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to FDH44N50?
Known equivalents for FDH44N50 include TC4421AVOA, LGW2G561MELC45, STM32F303C8T6. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of FDH44N50?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify FDH44N50 alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.