ULW3-47RJA1 TT Electronics/Welwyn, ULW3-47RJA1 Datasheet - Page 2

• Manufacturer Part Number: ULW3-47RJA1
• Description: RES 47 OHM 3W 5% AXIAL
• Manufacturer: TT Electronics/Welwyn
• Series: ULWr

Specifications of ULW3-47RJA1

• Featured Product: ULW Series Wirewound Resistors
• Resistance (ohms): 47
• Number Of Terminations: 2
• Package / Case: Axial
• Power (watts): 3W
• Composition: Wirewound
• Features: Flame Proof, Fusible
• Temperature Coefficient: ±200ppm/°C
• Tolerance: ±5%
• Size / Dimension: 0.228" Dia x 0.571" L (5.80mm x 14.50mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Height: -
• Other names: 985-1009-3

UL Recognised Wirewound Resistors
ULW Series
Terminations
Material:
Strength:
Solderability:
Solvent Resistance
The body protection and marking are resistant to all normal industrial cleaning solvents suitable for printed circuits.
Flammability
The resistor coating will not burn or emit incandescent particles under any condition of applied temperature or power overload.
Performance Data
* Addition of 0.01Ω applies
Thermal Performance
© Welwyn Components Limited
Telephone: [phone] · Facsimile: [phone] · Email: [e-mail] · Website: www.welwyn-tt.com
Load at rated power (1000 hours @ 25°C)
Short term overload (5 x Pr for 5 seconds)
Pulse (see Pulse Performance graphs)
Climatic
Long term damp heat (56 days)
Climatic category
Temperature rapid change
Dry heat (1000 hours @ 200°C)
Vibration
Robustness & solder heat
100
80
60
40
20
0
0
Hot tin dipped copper wire
The terminations meet the requirements of IEC 68.2.21
The terminations meet the requirements of IEC 115-1 Clause 4.17.3.2
50
Derating Curve
Am bient Tem perature (°C)
100
· Bedlington, Northumberland NE22 7AA, UK
150
200
250
300
ΔR%
ΔR%
ΔR%
ΔR%
ΔR%
ΔR%
ΔR%
ΔR%
ΔR%
300
250
200
150
100
50
0
0
ULW2
Maximum*
Body Temperature Rise
5
5
5
5
5
5
5
5
5
1
Power (W)
2
55/200/56
Welwyn Components
ULW3
3
ULW5
ULW4
4
Typical
3
1
2
2
1
1
3
1
1
5
01. 11