Low Voltage NH U1M Surface Mount Ultrafast Rectifier with High Surge Current and Low Reverse Leakage

Key Attributes
Model Number: U1M
Product Custom Attributes
Reverse Leakage Current (Ir):
5uA@1000V
Non-Repetitive Peak Forward Surge Current:
30A
Reverse Recovery Time (trr):
75ns
Diode Configuration:
1 Independent
Operating Junction Temperature Range:
-55℃~+150℃
Voltage - DC Reverse (Vr) (Max):
1kV
Voltage - Forward(Vf@If):
1.7V@1A
Current - Rectified:
1A
Mfr. Part #:
U1M
Package:
SOD-123FL
Product Description

Product Overview

The U1A thru U1M series are Surface Mount Ultrafast Rectifiers from Niu Hang Specification Electronic Co. Ltd. These rectifiers are designed for low voltage, high frequency applications including inverters, DC/DC converters, LED drivers, free-wheeling, and polarity protection. They feature a glass-passivated junction chip, low reverse leakage, and high forward surge current capability. The plastic package carries an Underwriters Laboratory Flammability Classification 94V-0 rating.

Product Attributes

  • Brand: Niu Hang (niuhang trademark)
  • Origin: China (implied by company name and website)
  • Material: Molded Plastic (Epoxy: UL 94V-0 rate flame retardant)
  • Certifications: Underwriters Laboratory Flammability Classification 94V-0
  • Color: White edge for polarity mark

Technical Specifications

ModelMax. Repetitive Peak Reverse Voltage (VRRM)Max. Average Forward Rectified Current (IF(AV))Max. Forward Voltage (VF) at 1.0AMax. Reverse Recovery Time (TRR)Typical Junction Capacitance (CJ)Operating Junction & Storage Temp. (TJ, TSTG)
U1A50V1.0A1.7V180ns15pF-55 to +150 C
U1B100V
U1D200V
U1G400V
U1J600V
U1K800V
U1M1000V
UD200V
UG400V
UJ600V
UK800V
UM1000V
U1A thru U1M50-1000V
ParameterSymbolU1AU1BUnit
Maximum RMS voltageVRMS3570V
Maximum DC blocking voltageVDC50100V
Peak forward surge current 8.3ms single half sine-waveIFSM3030A
Maximum instantaneous reverse current at rated DC blocking voltageIRRM11uA
Typical thermal resistance (junction to lead, vertical P.C.B. mounted, 0.375" lead length)RJL100100C/W
Typical thermal resistance (junction to ambient, vertical P.C.B. mounted)RJA7575C/W

2410121747_NH-U1M_C7427767.pdf

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