B72240-B251-K1 datasheet, PDF - EEWORLD Datasheet

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B72240-B251-K1: DescriptionRESISTOR, VOLTAGE DEPENDENT, 320V, 490J, CHASSIS MOUNT, RADIAL LEADED; CategoryPassive components The resistor; File Size1MB，60 Pages; ManufacturerEPCOS (TDK); Environmental Compliance

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B72240-B251-K1 Overview

RESISTOR, VOLTAGE DEPENDENT, 320V, 490J, CHASSIS MOUNT, RADIAL LEADED

B72240-B251-K1 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	,
Reach Compliance Code	compliant
ECCN code	EAR99
Circuit maximum DC voltage	320 V
Circuit RMS maximum voltage	250 V
Maximum energy absorption capacity	490 J
JESD-609 code	e3
Installation features	CHASSIS MOUNT
Number of terminals	2
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package shape	RECTANGULAR PACKAGE
method of packing	BULK
Rated power dissipation(P)	1.4 W
Resistor type	VARISTOR
surface mount	NO
Terminal surface	Tin (Sn)
Terminal location	RADIAL
Terminal shape	BINDING POST
Base Number Matches	1

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SIOV Metal Oxide Varistors

HighE Series

Block varistors

Construction

Disk-shaped varistor element,

potted in plastic housing

Housing flame-retardant to UL 94 V-0

Screw terminals M4 (SIOV-B32 … 40)

Screw terminals M5 (SIOV-B60 … 80)

Features

Heavy-duty varistors (surge current capability up to 100 kA)

Wide product range

SIOV-B40 also available without housing (LS40 series)

PSpice models

Approvals

CSA (

≥

K130)

SEV (except SIOV-B80)

Type designation

Detailed description of coding system

on page 39

SIOV-B 40 K 275

EPCOS metal oxide varistor

Design

Rated diameter of varistor disk

General technical data

Climatic category

LCT

UCT

Damp heat, steady state

(93 % r.h., 40

Operating temperature

Storage temperature

Electric strength

Insulation resistance

Response time

Max. torque

B32/B40

B60/B80

40/85/56

– 40

+ 85

56 days

– 40 … + 85

– 40 … + 110

in accordance with IEC 60068-1

Max. AC operating voltage

Tolerance of varistor voltage

in accordance with IEC 60068-2-3

in accordance with CECC 42 000

≥

2,5 kV

RMS

≥

1,0 G

Ω

< 25 ns

1,0 Nm

2,5 Nm

221

10/00

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