Resistance
T.C.R.
25°C
U: +25°C/-55°C, +25°C/+125°C and +25°C/+275°C
V: +25°C/-55°C, +25°C/+125°C and +25°C/+350°C
Within regulated tolerance
Within specified T.C.R.
Performance Characteristics
Parameter Requirement ΔR ±(% + 0.05Ω)Test Method
Overload (Short time) Rated power x 5 or Max.overload voltage, whichever is lower for 5 seconds
0.2: U
Resistance to Solder Heat 350°C ± 10°C, 3 seconds ± 0.5 seconds or 260°C ± 5°C,
10 seconds ± 1 second
0.1
Moisture Resistance Power rating x 1/10, 40°C, 90 - 95% RH, 1000 hours,
1.5 hr ON/0.5 hr OFF cycle
0.2: U
2:V
Endurance @ 25°C 25°C, 2000 hours
1.5 hr ON/0.5 hr OFF cycle
0.5: U
3:V
High Temperature Exposure
Max.
Working
Voltage
RW3
RW3N
RW5
RW5N
3.0W
5.0W
RW10N — 62 - 49.9k 62 - 51k
U
1.0W
2.0W
3.0W
10W
14W
5.0W
7.0W
10 - 2.61k
—
1 - 5.11k
—
1 - 10k
—
1 - 15k
—
1 - 30.1k
—
10 - 2.61k
10 - 2.37k
1 - 5.11k
10 - 3.74k
1 - 10k
15 - 10k
1 - 15k
15 - 15k
1 - 30.1k
20 - 29.4k
0.47 - 2.7k
10 - 2.4k
0.1 - 5.1k
10 - 3.6k
0.1 - 10k
10 - 10k
0.1 - 15k
15 - 15k
0.1 - 30k
20 - 30k
0.1 - 47k
36 - 43k
0.1 - 62k
62 - 51k
0.47 - 2.7k
10 - 2.4k
0.1 - 5.1k
10 - 3.6k
0.1 - 10k
10 - 10k
0.1 - 15k
15 - 15k
0.1 - 30k
20 - 30k
80V
130V
140V
600V
1000V
200V
400V
150V
300V
800V
1500V
600V
700V
Frequency Characteristics
2:V Rated power x 10 or Max. overload voltage, whichever is lower for 5 seconds
275+5 °C, 250 hours
-0
0.2: U
2:V 350+5 °C, 250 hours
-0
127
KOA Speer Electronics, Inc. • Bolivar Driv e • P.O. Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 4/20/05
resistors