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Littelfuse IXYS VBO78-08NO7 rectifier module with improved power cycling and ECO PAC2 package design

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Littelfuse IXYS VBO78-08NO7 rectifier module with improved power cycling and ECO PAC2 package design

Non-Repetitive Peak Forward Surge Current : 810A

Operating Junction Temperature Range : -40℃~+150℃@(Tj)

Voltage - Forward(Vf@If) : 1.14V@40A

Current - Rectified : 78A

Voltage - DC Reverse(Vr) : 800V

Description : 810A 1.14V@40A 78A 800V Bridge Rectifiers RoHS

Mfr. Part # : VBO78-08NO7

Model Number : VBO78-08NO7

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Product Overview

The VBO78-08NO7 is a standard rectifier module from Littelfuse, designed for main rectification in single-phase bridge configurations. It features a package with DCB ceramic, improved temperature and power cycling, planar passivated chips, and a very low forward voltage drop and leakage current. This module is suitable for various applications including DC power supplies, input rectifiers for PWM inverters, and field supplies for DC motors.

Product Attributes

Brand: Littelfuse
Package: ECO-PAC2
Certifications: RoHS compliant
Material: DCB ceramic base plate

Technical Specifications

Symbol	Definition	Conditions	min.	typ.	max.	Unit
V_RRM	max. repetitive reverse blocking voltage	T_VJ = 25C			800	V
V_RSM	max. non-repetitive reverse blocking voltage	T_VJ = 25C			1000	V
I_R	reverse current	V_R = 800 V; T_VJ = 25C			125	A
V_F	forward voltage drop	I_F = 80 A; T_VJ = 25C		1.32		V
V_F0	threshold voltage	T_VJ = 150C		0.81		V
r_F	slope resistance	T_VJ = 150C		5.9		m
I_FSM	max. forward surge current	t = 10 ms; (50 Hz), sine; T_VJ = 45C			750	A
It	value for fusing	t = 10 ms; (50 Hz), sine; T_VJ = 150C			2.82	kAs
P_tot	total power dissipation	T_C = 25C			175	W
th_JC	thermal resistance junction to case			0.7		K/W
th_CH	thermal resistance case to heatsink			0.3		K/W
I_ISOL	isolation voltage	50/60 Hz, RMS; I_RMS 1 mA; t = 1 second			3000	V~
T_VJ	virtual junction temperature		-40		150	C
T_stg	storage temperature		-40		125	C

2411261547_Littelfuse-IXYS-VBO78-08NO7_C17699298.pdf

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