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W22-3.3RJI

Description
RESISTOR, WIRE WOUND, 7W, 5%, 200ppm, 3.3ohm, THROUGH HOLE MOUNT, AXIAL LEADED
CategoryPassive components    The resistor   
File Size609KB,3 Pages
ManufacturerTT Electronics plc
Websitehttp://www.ttelectronics.com/
Environmental Compliance  
Download Datasheet Parametric View All

W22-3.3RJI Overview

RESISTOR, WIRE WOUND, 7W, 5%, 200ppm, 3.3ohm, THROUGH HOLE MOUNT, AXIAL LEADED

W22-3.3RJI Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1808794446
package instruction,
Reach Compliance Codecompliant
Country Of OriginMainland China
ECCN codeEAR99
YTEOL7.05
JESD-609 codee1
Manufacturer's serial numberW20
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature315 °C
Minimum operating temperature-55 °C
Package shapeTUBULAR PACKAGE
method of packingTR
Rated power dissipation(P)7 W
Rated temperature25 °C
resistance3.3 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyWIRE WOUND
Temperature Coefficient200 ppm/°C
Terminal surfaceTin/Silver/Copper (Sn/Ag/Cu)
Terminal shapeWIRE
Tolerance5%
Operating Voltage200 V
Vitreous Enamelled
Wirewound Resistors
W20 Series
Welwyn Components
CECC 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
Power rating at 25°C
Resistance range at 1% tolerance
2% tolerance
5% tolerance
TCR (-55° to 200°C)
Approved BS CECC 40-201-002
Power rating at 25°C
Power rating at 70°C
Resistance range at 1% tolerance
2% tolerance
5% tolerance
TCR (-55° to 200°C)
Applicable to commercial and approved ranges
Limiting element voltage
Standard values
Thermal impedance
Ambient temperature range
watts
ohms
ohms
ohms
pp/°C
Style
watts
watts
ohms
ohms
ohms
ppm/°C
W21
3.0
1R to 10K
0R5 to 10K
0R1 to 10K
W215
W22
W23
W24
5.0
7.0
10.0
14.0
1R to 15K
1R to 22K
1R to 60K 1R to 100K
0R5 to 15K 0R5 to 22K 1R to 60K 1R to 100K
0R1 to 15K 0R1 to 22K 0R15 to 60K 0R2 to 100K
Typically: <+-75
Maximum: +-200
JB
HB
KB
LB
MB
2.9
5.0
7.0
10.0
14.0
2.5
4.3
6.0
9.0
12.0
1R to 10K
1R to 15K
1R to 20K
1R to 56K 1R to 100K
0R5 to 10K 0R5 to 15K 0R5 to 20K 1R to 56K 1R to 100K
0R1 to 10K 0R1 to 15K 0R1 to 20K 0R15 to 56K 0R2 to 100K
≥5
ohms < 10 ohms: ±400
≥10
ohms: ±200
volts
°C/watt
°C
100
88
160
200
500
E24 preferred. Other values to special order
58
44
29
-55 to 200
750
22
Physical Data
Dimensions
Type
W21
W215
W22
W23
W24
400
(mm) and Weight (g)
L max
D max
12.7
5.6
22.0
7.0
22.0
8.0
38.0
8.0
53.5
8.0
W215
W22
W23
W24
f min
22.75
23.1
23.1
-
-
d nom
0.8
0.8
0.8
0.8
0.8
Wt.nom
1
2
2
3.5
5
d
D
L
f
Temperature Rise
°C
W21
Construction
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.
300
200
Terminations
Material
Strength
Solderability
Length
100
Copper clad steel wire, nickel plated and solder-coated.
The terminations meet the requirements of IEC 68.2.21.
The terminations meet the requirements of IEC 115-1,– Clause 4.17.3.2.
W23’s and W24’s are not supplied on tape. Minimum lead length is 30 mm.
0
0
5
10
15
20
Marking
Dissipation – Watts
The resistors are legend marked with type reference, resistance value and tolerance. Values are
marked in accordance with IEC 62.
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
A subsidiary of
TT electronics plc
Issue C · 04.03
© Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
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