SPP WELWYN [Welwyn Components Limited], SPP Datasheet - Page 2

• Manufacturer Part Number: SPP
• Description: General Purpose Wirewound Resistors
• Manufacturer: WELWYN [Welwyn Components Limited]

98
General Purpose
Wirewound Resistors
SPP Series
Performance Data
Power Derating:
Packaging
Resistors are supplied taped and reeled. 4,000 pcs per reel.
Bulk pack available.
© Welwyn Components Limited
Telephone: [phone] · Facsimile: [phone] · Email: [e-mail] · Website: www.welwyn-tt.com
Temperature Coefficient
Thermal Shock
Low Shock
Short Time Overload
Commercial Short Time Overload
Resistance to Solder Immersion
Solderability
Moisture Resistance
Life Test
Test Method
100
80
60
40
20
0
0
50
SPP-1, 2
Ambient Temperature ( C)
100
150
SPP-3
Bedlington, Northumberland NE22 7AA, UK
200
250
300
Temperature Rise:
SPP-1
SPP-2
SPP-3
300
200
100
0
0
20
95% minimum coverage
EIA Specification RS-344
±600/°C 0.10 -0.91
±600/°C 0.10 -0.91
±600/°C 0.10 -0.91
±300/°C 1.0 -1200
±300/°C 1.0 -2400
±600/°C 1.0 -2400
Percent Rated Power
Maximum Limits
SPP-1
40
Welwyn Components
±5%
±5%
±5%
±5%
±3%
±5%
±5%
SPP-3
60
80
SPP-2
100
Issue B · 03.02