BYT77 datasheet(1/4 Pages) VISHAY

Part #	BYT77

Description	Fast Avalanche Sinterglass Diode

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Manufacturer	VISHAY [Vishay Siliconix]

Direct Link	http://www.vishay.com

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BYT77, BYT78

www.vishay.com

Vishay Semiconductors

Rev. 1.9, 21-Feb-18

1

Document Number: 86034

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

Fast Avalanche Sinterglass Diode

DESIGN SUPPORT TOOLS

MECHANICAL DATA

Case: SOD-64

Terminals: plated axial leads, solderable per MIL-STD-750,

method 2026

Polarity: color band denotes cathode end

Mounting position: any

Weight: approx. 858 mg

FEATURES

• Glass passivated junction

• Hermetically sealed package

• Low reverse current

• Soft recovery characteristics

• Controlled avalanche characteristics

• Material categorization:



for definitions of compliance please see

www.vishay.com/doc?99912

APPLICATIONS

• Fast “soft recovery” rectification diode



949588

click logo to get started

Available

Models

ORDERING INFORMATION (Example)

DEVICE NAME

ORDERING CODE

TAPED UNITS

MINIMUM ORDER QUANTITY

BYT78

BYT78-TR

2500 per 10" tape and reel

12 500

BYT78

BYT78-TAP

2500 per ammopack

12 500

PARTS TABLE

PART

TYPE DIFFERENTIATION

PACKAGE

BYT77

VR = 800 V; IF(AV) = 3 A

SOD-64

BYT78

VR = 1000 V; IF(AV) = 3 A

SOD-64

ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)

PARAMETER

TEST CONDITION

PART

SYMBOL

VALUE

UNIT

Reverse voltage = repetitive peak reverse

voltage

See electrical characteristics

BYT77

VR = VRRM

800

V

BYT78

VR = VRRM

1000

V

Peak forward surge current

tp = 10 ms, half sine wave

IFSM

100

A

Average forward current

Tamb 45 °C

IF(AV)

3A

Non repetitive reverse avalanche energy

I(BR)R = 0.4 A

ER

10

mJ

Junction and storage temperature range

Tj = Tstg

-55 to +175

°C

MAXIMUM THERMAL RESISTANCE (Tamb = 25 °C, unless otherwise specified)

PARAMETER

TEST CONDITION

SYMBOL

VALUE

UNIT

Junction ambient

Lead length l = 10 mm, TL = constant

RthJA

25

K/W

On PC board with spacing 25 mm

RthJA

70

K/W

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