ultra precision metal film leaded resistor
EU
features
•
Ultra precision T.C.R. up to ±2.5 ppm/°C,
tolerance to ±0.01%
•
Wide resistance range from 10Ω to 1MΩ
•
Marking: Black body color with white marking
•
Products with lead-free terminations meet EU RoHS
and China RoHS requirements
dimensions and construction
D
L
Film
Substrate
h
MRS1/3
Outer
Coating
Type
MRS1/8
MRS1/4
L (max.)
.220
(5.6)
.295
(7.5)
.098
(2.5)
Dimensions
inches
(mm)
D (max.)
P
H
.100±.008
(2.54±0.2)
.200±.008
(5.08±0.2)
.118±.02
(3.0±0.5)
h (max.)
.244
(6.2)
.354
(9.0)
.150±.008 .315±.079
(3.81±0.2) (8.0±2.0)
Solder
Electrode
Lead
Frame
.020
(0.5)
P
H
.010±.020
(0.25±0.5)
ordering information
Lead Free
MRS
Type
1/3
Size
1/8(01): 0.125W
1/4(02): 0.25W
1/3(90A): 0.3W
S
T.C.R.
(ppm)
S: ±2.5
Y: ±5
T: ±10
E: ±25
D
Termination
Material
D: SnAgCu
1002
Resistance
Value
E24: 2 significant
figures + 1 multiplier
E96: 3 significant
figures + 1 multiplier
“R” indicates decimal
on values <100Ω
T
Tolerance
T: ±0.01%
Q: ±0.02%
A: ±0.05%
B: ±0.1%
C: ±0.25%
D: ±0.5%
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
2/11/08
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
133
resistors
MRS
ultra precision metal film leaded resistor
MRS
60
40
20
0
-60 -40
-55
-20
0
20
40
60
80
100 120
140
125
Temperature Rise
(°C)
% Rated Power
resistors
applications and ratings
Part
Designation
T.C.R.
Power
(ppm/°C)
T: ±.01%
Rating
Max.
E96
Y: ±5
––
0.125W T: ±10
––
E: ±25
––
Y: ±5
––
0.25W
T: ±10
––
E: ±25
––
S: ±2.5 100-100k
0.3W
Y: ±5
100-100k
T: ±10 100-100k
Resistance Range (Ω)
Q: ±.02% A: ±.05% B: ±.1%
E96 E24/E96* E24/E96*
––
100-250k 100-250k
––
100-250k 100-510k
––
100-250k 100-510k
––
100-510k 100-510k
––
100-510k 100-1M
––
100-510k 100-1M
30.1-100k 30.1-100k 30.1-100k
30.1-100k 10-100k 10-100k
30.1-100k 10-100k 10-100k
C: ±.25%
E24/E96
100-250k
30-510k
10-510k
100-510k
30-1M
10-1M
––
––
––
Absolute Absolute
Rated
Operating
Maximum Maximum
Ambient Temperature
D: ±.5% Working Overload
Temperature
Range
E24/E96 Voltage
Voltage
100-250k
200V
400
30-510k
10-510k
100-510k
-55°C
to
250V
30-1M
+70°C
+125°C
500
10-1M
––
200V
––
––
MRS1/8
MRS1/4
MRS1/3
environmental applications
Derating Curve
100
80
Surface Temperature Rise
100
75
50
MRS1/8
25
MRS1/4
0
70
Ambient Temperature
(°C)
0
25
50
75
100
% Rated Power
Performance Characteristics
Parameter
Rapid Change of Temperature
Short Time Overload
Dielectric Withstanding Voltage
Resistance to Solder Heat
Insulation Resistance
Solvent Resistance
Moisture Resistance
Load Life
Requirement
±(0.1% + 0.05Ω)
±(0.05% + 0.05Ω)
±(0.1% + 0.05Ω)
≥10,000MΩ
No abnormality
±(0.1% + 0.05Ω)
Test Method
-55°C/30 min., room temp./2-3 min., +125°C/30 min., room temp/2-3 min., 5 cycles
Rated voltage x 2.5 or max. overload voltage, whichever is less
AC 500V for 1 minute
+350°C for 3.5 seconds
DC 500V for 1 minute
2-propanol, +20°C to +25°C for 180 seconds
40°C, 90 - 95% RH, 1000 hours, rated voltage DC, 1.5 hr ON, 0.5 hr OFF cycle
70°C, 1000 hours, rated voltage DC, 1.5 hr ON, 0.5 hr OFF cycle
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/23/08
134
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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