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Home > Wirewound Resistors > Welwyn W21R22J Wirewound Resistor 0.22 Ohms 3W 5% Axial

Welwyn W21R22J Wirewound Resistor 0.22 Ohms 3W 5% Axial

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Welwyn / TT Electronics W21-R22J RES,AXIAL,WIREWOUND,220M OHMS,100WV,5% +/-TOL,75PPM TC

Welwyn W21R22J  Wirewound Resistor 0.22 Ohms 3W 5% Axial

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Welwyn / TT Electronics W21-R22J Wirewound Resistors - Through Hole 3Watt 0.22 ohm 5%


SPECIFICATIONS
Part #: W21R22J
Part Category: Resistors
Manufacturer: Welwyn Components, Ltd.
Description: RES,AXIAL,WIREWOUND,220M OHMS,100WV,5% +/-TOL,75PPM TC
REACH Compliant Yes
EU RoHS Compliant Yes
Status Active
Resistor Type FIXED RESISTOR
Construction All-Welded
Lead Diameter 0.8 mm
Lead Length 22.8 mm
Manufacturer Series W21(5%TOL)
Operating Temperature-Min -55.0 Cel
Operating Temperature-Max 200.0 Cel

Product Category: Wirewound Resistors - Through Hole
RoHS: RoHS Compliant Details
Termination Style: Axial
Resistance: 0.22 Ohms
Power Rating: 3 W
Tolerance: 5 %
Temperature Coefficient: 75 PPM / C
Operating Temperature Range: - 55 C to + 350 C
Brand: Welwyn Components / TT Electronics
Case Diameter: 5.6 mm
Case Length: 12.7 mm
Lead Diameter: 0.8 mm
Packaging: Ammo Pack
Product: Power Resistors Wirewound Vitreous Enamel
Series: W20
Factory Pack Quantity: 1000
Type: Vitreous Enamelled Wirewound Resistors
Voltage Rating: 100V


WELWYN W21-R22J 3W AX .22 Ohms 3W Vitreous Enamelled Wirewound. A high purity ceramic substrate is assembled with interference fit end caps to which are

welded the termination wires. The resistive element is wound on the substrate and welded to the caps; the vitreous enamel protective coating is then applied.

Terminations

Material: Copper clad steel wire, nickel plated and solder-coated.

Strength: The terminations meet the requirements of IEC 68.2.21.

Solderability: The terminations meet the requirements of IEC 115-1,– Clause 4.17.3.2.

Length: W23’s and W24’s are not supplied on tape. Minimum lead length is 30 mm.

Marking: The resistors are legend marked with type reference, resistance value and tolerance. Values are

Welwyn Components designs and manufactures a full portfolio of resistor technologies for industrial, defence, automotive and medical sectors.

WELWYN W21-R22J 3W AX .22 Ohms 3W
Vitreous Enamelled Wirewound

A high purity ceramic substrate is assembled with interference fit end caps to which are

welded the termination wires. The resistive element is wound on the substrate and welded to

the caps; the vitreous enamel protective coating is then applied.

Terminations

Material

Copper clad steel wire, nickel plated and solder-coated.

Strength

The terminations meet the requirements of IEC 68.2.21.

Solderability

The terminations meet the requirements of IEC 115-1,– Clause 4.17.3.2.

Length

W23’s and W24’s are not supplied on tape. Minimum lead length is 30 mm.

Marking

The resistors are legend marked with type reference, resistance value and tolerance. Values are

 

CECC approved

 

Dimensions (mm) and Weight (g)

 

T

L max

D max

f min

d nom

Wt.nom

 

 

W21

12.7

5.6

22.75

0.8

1

 

CC approved

•Suitable for harsh environments

Impervious lead free vitreous enamel coating

Overload characteristics ideal

for protection circuits

High stability and reliability

High power dissipation for size

 

Electrical Data

 

Commercial

  

W21

Power rating at 25°C

 

watts

3.0

Resistance range at

1% tolerance

ohms

1R to 10K

 

2% tolerance

ohms

0R5 to 10K

 

5% tolerance

ohms

0R1 to 10K

TCR (-55° to 200°C)

 

pp/°C

 

Approved BS CECC 40-201-002

Style

JB

Power rating at 25°C

watts

2.9

Power rating at 70°C

watts

2.5

Resistance range at 1% tolerance

ohms

1R to 10K

2% tolerance

ohms

0R5 to 10K

5% tolerance

ohms

0R1 to 10K

TCR (-55° to 200°C)

ppm/°C

Applicable to commercial and approved ranges

  

Limiting element voltage

volts

 

100

Standard values

   

Thermal impedance

°C/watt

 

88

Ambient temperature range

°C

  

 


Additional Information

W21-R22J
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