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WCB3FB2R94

Description
Fixed Resistor, Wire Wound, 3W, 2.94ohm, 1% +/-Tol, 50ppm/Cel, Through Hole Mount, 8731, AXIAL LEADED, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size192KB,3 Pages
ManufacturerSEI(Stackpole Electronics Inc.)
Websitehttps://www.seielect.com/
Environmental Compliance  
Download Datasheet Parametric View All

WCB3FB2R94 Overview

Fixed Resistor, Wire Wound, 3W, 2.94ohm, 1% +/-Tol, 50ppm/Cel, Through Hole Mount, 8731, AXIAL LEADED, ROHS COMPLIANT

WCB3FB2R94 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerSEI(Stackpole Electronics Inc.)
package instructionAXIAL LEADED, ROHS COMPLIANT
Reach Compliance Codecompli
ECCN codeEAR99
Other featuresFLAME PROOF
structureFireproof
JESD-609 codee3
Lead diameter0.81 mm
Lead length1.5 mm
Manufacturer's serial numberCB
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature275 °C
Minimum operating temperature-55 °C
Package height7.9 mm
Package length22.2 mm
Package shapeRECTANGULAR PACKAGE
Package formAxial
Package width7.9 mm
method of packingBULK
Rated power dissipation(P)3 W
Rated temperature70 °C
resistance2.94 Ω
Resistor typeFIXED RESISTOR
seriesWCB
size code8731
surface mountNO
technologyWIRE WOUND
Temperature Coefficient50 ppm/°C
Terminal surfaceMatte Tin (Sn)
Terminal shapeWIRE
Tolerance1%
CB Series
Ceramic Housed with Axial Leads Wirewound Resistor
Features:
Fireproof power wirewound
High thermal conductivity
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
CB2
CB3
CB5
CB7
CB10
CB15
CB20
CB22
CB25
CB30
WCB2
WCB3
WCB5
WCB7
WCB10
WCB15
MCB3
MCB5
MCB7
Power Rating
(Watts) @ 70ºC
2W
3W
5W
7W
10W
15W
20W
22W
25W
30W
2W
3W
5W
7W
10W
15W
3W
5W
7W
±200ppm/ºC
0.1Ω to 10Ω = ±50ppm/ºC
>10Ω = ±20ppm/ºC
<1Ω = ±800ppm/ºC
≥1Ω
= ±300ppm/ºC
TCR (ppm/ºC)
Ohmic Range(Ω) and Tolerance
0.5%
-
-
-
-
-
-
-
-
-
-
1 - 5K
1 - 10K
1 - 10K
1 - 15K
1 - 20K
1 - 20K
-
-
-
1%
-
-
-
-
-
-
-
-
-
-
0.1 - 5K
0.1 - 10K
0.1 - 10K
0.1 - 15K
0.1 - 20K
0.1 - 20K
-
-
-
5%
0.1 - 300
0.1 - 680
0.1 - 680
0.1 - 1.5K
0.1 - 2K
0.15 - 2K
0.2 - 2K
1 - 250
0.2 - 2K
1 - 250
0.1 - 5K
0.1 - 10K
0.1 - 10K
0.1 - 15K
0.1 - 20K
0.1 - 20K
1 - 500K
1 - 500K
1 - 500K
10%
0.1 - 300
0.1 - 680
0.1 - 680
0.1 - 1.5K
0.1 - 2K
0.15 - 2K
0.2 - 2K
1 - 250
0.2 - 2K
1 - 250
-
-
-
-
-
-
-
-
-
Rev Date: 07/23/2012
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
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