The HM50N06 is HeroMicro an N-channel power MOSFET fabricated using planar technology, designed for medium-to-high current switching applications. With low on-resistance (typ. 18 mΩ, max 23 mΩ @ VGS=10V), high pulsed current capability (200 A), and robust thermal performance, it is well-suited for PWM control, load switching, power management, motor drives, and consumer electronics.
1. Key Specifications (from HM50N06.pdf)
Drain-Source Voltage (VDS): 60 V
Continuous Drain Current (ID): 50 A (TA=25°C), 34 A (TA=100°C)
Pulsed Drain Current (IDM): 200 A (limited by max junction temperature)
On-Resistance (RDS(ON)):
Typ. 18 mΩ (Max 23 mΩ) @ VGS=10V, ID=20A
Gate Threshold Voltage (VGS(th)): 2–4 V (Typ. 2.8 V @ ID=250 μA)
Total Gate Charge (Qg): 32 nC (@ VDS=48V, ID=50A, VGS=10V)
Input Capacitance (Ciss): 1050 pF (@ VDS=25V, f=1MHz)
Switching Characteristics (VDD=30V, ID=25A, RL=1Ω, RG=3Ω):
td(on): 20 ns, tr: 100 ns
td(off): 80 ns, tf: 85 ns
Body Diode:
VSD ≤ 1.3 V @ IS=50A
trr: 52 ns
Single-Pulse Avalanche Energy (EAS): 272 mJ
Package: TO-220 (through-hole, metal tab = drain)
Power Dissipation (PD): 120 W
Thermal Resistance (RθJC): 1.65 °C/W
Operating Junction Temperature: –55°C to +150°C
Environmental: Lead-free compliant
2. Key Usage Guidelines
(1) Gate Drive Optimization
Drive with VGS = 10 V for minimum RDS(ON). Avoid 5V logic-level drive, as RDS(ON) increases significantly.
Use RG = 2–10 Ω; datasheet uses RG = 3 Ω as reference.
(2) Thermal Management & Mounting
Mount the TO-220 tab (drain) to a heatsink using insulating hardware if needed.
With RθJC = 1.65 °C/W and 120 W rating, ensure case temperature is controlled under continuous high-current operation.
(3) Body Diode for Freewheeling
Supports 50 A continuous reverse current; fast trr (52 ns) reduces recovery loss in inductive loads.
(4) Avalanche Capability
Rated for 272 mJ single-pulse avalanche energy—suitable for small motors or relay coils.
Add TVS or snubber on drain for enhanced protection.
(5) Pulsed Operation
IDM = 200 A is valid only for short pulses (typically <100 μs, low duty cycle).
Always verify junction temperature does not exceed 150°C.
3. Typical Applications
12V/24V load switches (automotive, industrial)
Main switch in Buck/Boost DC-DC converters
Low-side driver in small DC motor H-bridges
Power management (hot-swap, ORing controllers)
LED driver power stages
4. Summary
The HM50N06 offers an excellent balance of 60V rating, 50A current capability, ultra-low RDS(ON), and robust TO-220 packaging. With proper drive, thermal design, and pulsed operation awareness, it delivers high efficiency and reliability in a wide range of industrial, automotive, and consumer power applications.
