Low Loss NH HER508 Rectifier Diode Designed for Switch Mode Power Supplies and Fast Charging Systems

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Product Description

Niuhang HER501 THRU HER508 High Efficiency Rectifier

The Niuhang HER501 THRU HER508 series are high-efficiency rectifiers designed for applications requiring fast switching speeds and low losses. Featuring NH'S High Efficiency Rectifier Chip Technology, these diodes offer low switching loss, low leakage current for high reliability, and ultra-fast switching speeds. They are ideal for use in Switch Mode Power Supplies (SMPS), Fast Chargers, LED Driver and Monitor Lighting, and Automotive Electronics and Charging Posts.

Product Attributes

Brand: Niuhang
Origin: China
Material: RoHS-Compliant, Molded with UL-94 ClassV-0 Recognized
Certifications: RoHS Compliant

Technical Specifications

Parameter	Test Conditions	Symbol	HER501	HER502	HER503	HER505	HER506	HER507	HER508	Unit
Maximum Repetitive Peak Reverse Voltage		VRRM	50	100	200	400	600	800	1000	V
Maximum RMS Voltage		VRMS	35	70	140	280	420	560	700	V
Maximum DC Blocking Voltage		VDC	50	100	200	400	600	800	1000	V
Maximum Average Forward Rectified Current		IF(AV)	5							A
Peak Forward Surge Current	8.3ms Single Half Sine-wave Superimposed On Rate Load	IFSM	125							A
Current Squared Time	t< 8.3ms	I2t	64.8							A²sec
Maximum Mounting Torque	M3 screw	TMM	1.1							N.m
Maximum Instantaneous Forward Voltage	IF= 5.0 A	VF	1.00	1.30	1.70					V
Maximum DC Reverse Current at Rated DC Blocking Voltage	Ta=25,VR=VRRM	IRRM	5							uA
Maximum DC Reverse Current at Rated DC Blocking Voltage	Ta=125,VR=VRRM*80%	IRRM	200							uA
Typical Junction Capacitance	4 V,1MHz	CJ				60	25	20		pF
Maximum Reverse Recovery Time	IF=0.5A, IR=1.0A, IRR=0.25A	Trr				50	75			nS
Operating Junction Temperature Range		TJ	-55~150
Storage Temperature Range		TSTD	-55~150
Thermal Resistance Junction To Ambient	Still Air Environment,With Steady-State,With Ta=25	RJA	53.0							/W
Thermal Resistance Junction-Case	At 0.375"(9.5mm) lead length Mounted On vertical P.C. Board,With Steady-State	RJC	16.0