Plastic Package Avalanche Diode Littelfuse IXYS DSA1-18D for High Voltage Rectification Applications

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Product Description

Product Overview

This Avalanche Diode series, manufactured by IXYS, offers a plastic standard package with planar passivated chips. Designed for low power rectifiers, field supply for DC motors, power supplies, and high voltage rectifiers, these diodes provide space and weight savings, simple PCB mounting, improved temperature and power cycling, and reduced protection circuits. They are suitable for applications requiring high voltage rectification.

Product Attributes

Brand: IXYS
Package Type: Plastic standard package
Chip Technology: Planar passivated chips

Technical Specifications

Symbol	Conditions	Characteristic	Values (typ.)	Values (max.)
IR	VR = VRRM	Leakage Current	0.7	mA
VF	IF = 7 A, TVJ = 25C	Forward Voltage	1.34	V
VT0	For power-loss calculations only	Threshold Voltage	0.8	V
rT	For power-loss calculations only	Slope Resistance	67	m
RthJA	Forced air cooling with 1.5 m/s, Tamb = 45C	Thermal Resistance Junction-Ambient	38	K/W
RthJA	Soldered on to PC board, Tamb = 45C	Thermal Resistance Junction-Ambient	80	K/W
dS		Creepage distance on surface	8.5	mm
dA		Strike distance through air	6.7	mm
a		Max. allowable acceleration	100	m/s
IFRMS	Tamb = 45C; RthJA = 38 K/W; 180 sine	RMS Forward Current	7	A
IFAVM	Tamb = 45C; RthJA = 80 K/W; 180 sine	Average Forward Current	2.3	A
PRSM	TVJM, tp = 10 s	Peak Repetitive Surge Current	1.6	kW
IFSM	TVJ = 45C; t = 10 ms (50 Hz), sine	Surge Forward Current	110	A
IFSM	TVJ = 45C; t = 8.3 ms (60 Hz), sine	Surge Forward Current	118	A
IFSM	TVJ = 150C; t = 10 ms (50 Hz), sine	Surge Forward Current	100	A
IFSM	TVJ = 150C; t = 8.3 ms (60 Hz), sine	Surge Forward Current	104	A
I2t	TVJ = 45C; t = 10 ms (50 Hz), sine	It	60	As
I2t	TVJ = 45C; t = 8.3 ms (60 Hz), sine	It	58	As
I2t	TVJ = 150C; t = 10 ms (50 Hz), sine	It	50	As
I2t	TVJ = 150C; t = 8.3 ms (60 Hz), sine	It	45	As
TVJ		Operating Temperature	-40...+150	C
TVJM		Max. Operating Temperature	150	C
Tstg		Storage Temperature	-40...+150	C
Weight	typical	Weight	0.8	g