98 KOA Speer Electronics, Inc. • 199 Bolivar Drive • 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. 12/28/10
MRP
precision metal film resistor SIP networks
custom circuit schematics
applications and ratings (continued)
Resistance Range
E: 0.025% A: 0.025% B: 0.1% D: 0.5%
B: ±0.1%
C: ±0.25%
D: ±0.5%
F: ±1%
Absolute
Resistance
Tolerance
C: 0.25%
Resistance Ratio Tolerance
50Ω - 100kΩ
50Ω - 100kΩ
50Ω - 100kΩ
50Ω - 100kΩ
100 max.
50Ω - 100kΩ
50Ω - 100kΩ
50Ω - 100kΩ
50Ω - 100kΩ
100 max.
50Ω - 100kΩ
50Ω - 100kΩ
50Ω - 100kΩ
50Ω - 100kΩ
150 max.
–––
50Ω - 100kΩ
50Ω - 100kΩ
50Ω - 100kΩ
150 max.
–––
–––
50Ω - 100kΩ
50Ω - 100kΩ
150 max.
R1/R2 Relative Resistance Ratio
Derating Curve
environmental applications
% Rated Power
100
80
60
40
20
-60 -40 -20 0 406080100140
70
20
Ambient Temperature
(°C)
0
-55 120
125
Performance Characteristics
Parameter Requirement Test Method
Resistance
25°C
Rated voltage x 2.5 or max. overload voltage, whichever is lower, 5 secondsOverload (Short Time)
+350°C ± 10°C, 3.5 ± 0.5 secondsResistance to Soldering Heat
Within specified tolerance
±0.1%
40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
Moisture Resistance ±0.1%
70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
Endurance at 70°C ±0.1%
Soaking in 2-propanol of +20°C ~ +25°C for 180 seconds ± 10 secondsResistance to Solvents
500V (d.c.) for 1 minute between terminals and coatingsInsulation Resistance
No abnormality in outer coating
and markings
Within specified T.C.R.
±0.05%
T.C.R. +25°C/+65°C
(Examples only. Contact factory for other custom layout requests.)
standard circuit schematic
resistors
Rapid Change of Temperature
-55 +0/-5°C (30 min.), +125 +3/-0°C (30 min.) 5 cycles
±0.1%
500V (a.c.) for 1 minute between terminals and coatingsWithstanding Voltage ±0.5%
10,000MΩ or above