Surface mount NH U1G ultrafast rectifier designed for high frequency and polarity protection circuits

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Product Description

Product Overview

The U1A THRU U1M series are surface mount ultrafast rectifiers designed for low voltage, high frequency applications. They feature a glass passivated junction chip, low reverse leakage, and high forward surge current capability. These rectifiers are ideal for printed circuit boards and offer excellent performance in inverters, DC/DC converters, LED drivers, free-wheeling, and polarity protection circuits.

Product Attributes

Brand: Niu Hang (niuhang trademark)
Certifications: Underwriters Laboratory Flammability Classification 94V-0
Material: Epoxy UL 94V-0 rate flame retardant
Polarity: Polarity symbol marking on body, white edge = Polarity mark
Mounting Position: Any
Weight: App. 0.0161 grams (0.0006 ounce)

Technical Specifications

Model	Max. Repetitive Peak Reverse Voltage (V_RRM)	Max. Average Forward Rectified Current (I_F(AV))	Max. Forward Voltage (V_F) at 1.0A	Max. Reverse Recovery Time (T_RR)	Typical Junction Capacitance (C_J)	Operating Junction & Storage Temp. Range (T_J, T_STG)
U1A	50	1.0 A	1.7 V	180 ns	15 pF	-55 to +150 C
U1B	100	1.0 A	1.7 V	180 ns	15 pF	-55 to +150 C
U1D	200	1.0 A	1.7 V	180 ns	15 pF	-55 to +150 C
U1G	400	1.0 A	1.7 V	180 ns	15 pF	-55 to +150 C
U1J	600	1.0 A	1.7 V	180 ns	15 pF	-55 to +150 C
U1K	800	1.0 A	1.7 V	180 ns	15 pF	-55 to +150 C
U1M	1000	1.0 A	1.7 V	180 ns	15 pF	-55 to +150 C

Model	Max. RMS Voltage (V_RMS)	Max. DC Blocking Voltage (V_DC)	Peak Forward Surge Current (I_FSM) 8.3ms	Max. Instantaneous Reverse Current (I_RRM) at rated V_DC	Typical Thermal Resistance (R_JA)
U1A	35 V	50 V	30 A	50 uA	100 C/W
U1B	70 V	100 V	30 A	50 uA	100 C/W
U1D	140 V	200 V	30 A	50 uA	100 C/W
U1G	280 V	400 V	30 A	50 uA	100 C/W
U1J	420 V	600 V	30 A	50 uA	100 C/W
U1K	560 V	800 V	30 A	50 uA	100 C/W
U1M	700 V	1000 V	30 A	50 uA	100 C/W