WCB740.70.5%B datasheet, PDF - EEWORLD Datasheet

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WCB740.70.5%B: DescriptionRESISTOR, WIRE WOUND, 7W, 0.5%, 20ppm, 40.7ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT; CategoryPassive components The resistor; File Size118KB，3 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/; Environmental Compliance

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WCB740.70.5%B Overview

RESISTOR, WIRE WOUND, 7W, 0.5%, 20ppm, 40.7ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT

WCB740.70.5%B Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
package instruction	,
Reach Compliance Code	compliant
Other features	PRECISION
JESD-609 code	e3
Manufacturer's serial number	CB
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	275 °C
Minimum operating temperature	-55 °C
Package shape	RECTANGULAR PACKAGE
method of packing	BULK
Rated power dissipation(P)	7 W
Rated temperature	70 °C
resistance	40.7 Ω
Resistor type	FIXED RESISTOR
surface mount	NO
technology	WIRE WOUND
Temperature Coefficient	20 ppm/°C
Terminal surface	Matte Tin (Sn)
Terminal shape	WIRE
Tolerance	0.5%
Base Number Matches	1

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CB Series

Ceramic Housed Wirewound with Axial Leads

Features:

Fireproof power wirewound

High thermal conductivity

Different element(resistor) available:

precision / ceramic & metal oxide

Non-inductive styles available

Body standoffs available; add “F” after CB

RoHS compliant / lead-free

Stackpole Electronics, Inc.

Resistive Product Solutions

Electrical Specifications

Type / Code

Power Rating (Watts)

@ 70ºC

0.5%

Ohmic Range and Tolerance

1Ω - 5KΩ

1Ω - 10KΩ

1Ω - 15KΩ

1Ω - 20KΩ

0.1Ω - 300Ω

0.1Ω - 680Ω

0.1Ω - 1.5KΩ

0.1Ω - 2KΩ

0.15Ω - 2KΩ

0.2Ω - 2KΩ

1Ω - 250Ω

0.2Ω - 2KΩ

1Ω - 250Ω

1Ω - 5KΩ

1Ω - 10KΩ

1Ω - 15KΩ

1Ω - 20KΩ

1Ω - 500KΩ

10%

0.1Ω - 300Ω

0.1Ω - 680Ω

0.1Ω - 1.5KΩ

0.1Ω - 2KΩ

0.15Ω - 2KΩ

0.2Ω - 2KΩ

1Ω - 250Ω

0.2Ω - 2KΩ

1Ω - 250Ω

CB 2

CB 3

CB 5

CB 7

CB 10

10W

CB 15

15W

CB 20

20W

CB 22

22W

CB 25

25W

CB 30

30W

WCB 2

1Ω - 5KΩ

WCB 3

1Ω - 10KΩ

WCB 5

1Ω - 10KΩ

WCB 7

1Ω - 15KΩ

10W

1Ω - 20KΩ

WCB 10

WCB 15

15W

1Ω - 20KΩ

MCB 3

MCB 5

MCB 7

Resistance Temperature Coefficient Standard:

CB series: ±800ppm below 1Ω & ±300ppm for 1Ω and above;

WCB series: ±50ppm from 1Ω to 10Ω & ±20ppm above 10Ω;

MCB series: ±200ppm

How to Order

SEI Type

Code

Nominal

Resistance

Tolerance

Packaging

Code

Description

Standard

WCB

MCB

CBF

WCBF With standoff

MCBF

NWCB Non inductive

Non inductive

NWCBF

with standoff

1/2

Code

100

Tolerance

10%

SEI Types

CB 2, CB 3, CB 5, MCB 3, MCB 5

WCB 2, WCB 3, WCB 5

CB 7, CB 10, CB 15, WCB 7,

WCB 10, WCB 15, MCB 7

CB 20, CB 22, CB 25, CB 30

Pkg Qty

750

500

250

100

Description

Code

Bulk

Rev Date: 10/07/2009

This specification may be changed at any time without prior notice

Please confirm technical specifications before you order and/or use.

www.seielect.com

marketing@seielect.com

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