RD41
fixed carbon film melf resistor
resistors
EU
features
•
•
•
•
•
Suitable for reflow and wave soldering
Metal plate terminals
Meets or exceeds IEC 60115-8, EIAJ RC-2131A
Marking: Ivory body color with three color-coded bands
Products with lead-free terminations meet EU RoHS
and China RoHS requirements
dimensions and construction
C
L
D3
Type
(Inch/DIN Size Code)
L
.079±.004
(2.0±0.1)
.126±.008
(3.2±0.2)
Dimensions
inches
(mm)
C
D1
D2 (max.) D3 (max.)
.012
.049±.002
(0.3 min.) (1.25±0.05)
.02
.061±.006
(0.5 min.) (1.55±0.15)
.053
(1.35)
.069
(1.75)
.061
(1.55)
.094
(2.4)
.003
(0.07)
.004
(0.1)
.006
(0.15)
2A
(0805/0102)
D1 D2
2D
(1206/0203)
2ES
(1406/0204)
Insulation
Coating
Trimming Resistive
Line
Film
Ceramic
Core
End
Cap
2E
(2309/0207)
.138±.008 .02 ~ .035 .055±.004
(3.5±0.2) (0.5 ~ 0.9) (1.40±0.1)
.232±.008
(5.9±0.2)
.02
(0.5 min.)
.087±.004
(2.2±0.1)
Marking
ordering information
New Part #
RD41
Type
2A
Size
2A
2D
2ES
2E
T
Termination
Material
T: Sn
TE
Packaging
TE: 7" embossed plastic
(2A, 2ES - 3,000 pieces/reel)
(2D - 2,000 pieces/reel)
(2E - 1,500 pieces/reel)
103
Nominal
Resistance
2 significant
figures + 1
multiplier
“R” indicates
decimal on
value <10Ω
J
Tolerance
G: ±2%
J: ±5%
For further information on packaging,
please refer to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/17/12
60
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
fixed carbon film melf resistor
applications and ratings
Part
Designation
RD412A
RD412D
RD412ES
RD412E
Power
Rating
@ 70°C
0.125W
0.2W
0.25W
0.25W
Resistance
Range
E-24*
2.2Ω - 1.0MΩ
1.0Ω - 1.0MΩ
2.2Ω - 1.0MΩ
1.0Ω - 2.2MΩ
Absolute
Maximum
Working
Voltage
150V
200V
200V
300V
Absolute
Maximum
Overload
Voltage
200V
400V
400V
600V
G: ±2%
J: ±5%
-55°C to +155°C
Resistance
Tolerance
Operating
Temperature
Range
* See Appendix D for available decade values.
environmental applications
Derating Curve
100
80
% Rated Power
60
40
20
0
0
20
40
80
100 120
70
Ambient Temperature
(°C)
60
140
160
155
Performance Characteristics
Parameter
Resistance
T.C.R.
Overload (Short time)
Intermittent Overload
Resistance to Solder Heat
Rapid Change of Temperature
Moisture Resistance
Endurance at 70°C
Low Temperature Operation
High Temperature Exposure
Requirement
∆
R ±(%+0.05Ω)
Limit
Typical
Within specified
—
tolerance
Within specified
—
T.C.R.
±1.0%
±0.5%
±1.0%
±1.0%
±1.0%
±5.0%
±2.0%
±1.0%
±2.0%
—
±0.5%
±0.75%
±2.5%
±1.0%
±0.75%
±1.0%
Test Method
25°C
+25°C/-55°C, +25°C/+125°C
Rated voltage x 2.5 for 5 seconds
Rated voltage x 4 (2Ax3) or Max. intermittent overload voltage,
whichever is lower, 10,000 cycles. 2A: 300V, 2B: 400V, 2D: 500V, 2E: 600V
260°C ± 5°C, 10 seconds ± 1 second
-55°C (30 minutes), +125°C (30 minutes), 5 cycles
40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
-55°C, 1 hour
+125°C, 100 hours
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/27/10
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
61
resistors
RD41
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