RN41,RM41
fixed metal film melf resistors
features
•Suitable for reflow and wave soldering
•Higher stability in short and long term tests
•Meets or exceeds EIAJ-8009, EIA-PDP-100
•Marking: Blue body color for “RN”, green for “RM”
•Products with lead-free terminations meet EU RoHS
and China RoHS requirements
TE: 7" embossed plastic
(2A, 2B, 2ES - 3,000
pieces/reel)
(2D - 2,000 pieces/reel)
(2E, 2H, 3AS - 1,500
pieces/reel)
ordering information
±5%:
2 significant
figures + 1
multiplier. “R”
indicates decimal
on values <10Ω
±1%:
3 significant
figures + 1
multiplier. “R”
indicates decimal
on values <100Ω
RN41 2A: 0805
2B: 1406
2D: 1206
2E: 2309
2ES: 1406
2H: 2309
3AS: 2309
25
50
100
200
T: Sn
(Other termination
styles may be
available, please
contact factory
for options)
B: ±0.1%
C: ±0.25%
D: ±0.5%
F: ±1%
J: ±5%
RN41 2B 50*T
SizeType Nominal
Resistance Tolerance T.C.R.
(ppm/°C)
Termination
Material Packaging
New Par t # TE 1002 J
For further information on packaging,
please refer to Appendix A.
dimensions and construction
CL
D3
D1 D2
Insulation
Coating Resistive
Film
Marking Ceramic
Core
Trimming
Line End
Cap
Type L
2A
(0805) .079±.004
(2.0±0.1) .012
(0.3) .049±.002
(1.25±0.05) .053
(1.35) .003
(0.07)
.004
(0.1)
.061
(1.55)
.057±.004
(1.45±0.1)
.02
(0.5)
.138±.008
(3.5±0.2)
2B
(1406)
.069
(1.75)
.061±.006
(1.55±0.15)
.02
(0.5)
.126±.008
(3.2±0.2)
2D
(1206)
.006
(0.15)
.094
(2.4)
.087±.004
(2.2±0.1)
.02
(0.5)
.232±.008
(5.9±0.2)
2E, 2H
(2309)
(Inch Size Code) C (min.) D1 D2 (max.) D3 (max.)
Dimensions inches (mm)
.0071
(0.18)
.094
(2.4)
.087±.004
(2.2±0.1)
.02
(0.5)
.232±.008
(5.9±0.2)
3AS
.061
(1.55)
.055±.004
(1.4±0.1)
.02
(0.5)
.138±.008
(3.5±0.2)
2ES
(1406)
*T.C.R. noted for RN41 only
EU
TE: Embossed plastic
(2D - 2,000 pieces/reel)
(2H - 1,500 pieces/reel)
±5%: 2 significant figures
+ 1 multiplier. “R” indicates
decimal on values <10Ω
RM41 2D: 1206
2H: 2309
T: Sn
(Other termination
styles may be
available, please
contact factory
for options)
J: ±5%
RM41 2D T
SizeType Nominal
Resistance Tolerance
Termination
Material Packaging
New Par t # TE 1R0 J
91
KOA Speer Electronics, Inc. • Bolivar Drive • 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. 2/11/08
resistors
92
KOA Speer Electronics, Inc. • Bolivar Drive • 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. 5/19/06
resistors
RN41,RM41
fixed metal film melf resistors
Absolute
Maximum
Working
Voltage
RN412A
RN412B
RN412D
RN412E
RN412H
RM412D
RM412H
Part
Designation
Absolute
Maximum
Overload
Voltage
Operating
Temperature
Range
Power
Rating
@ 70°C
T.C.R.
(ppm/°C)
Max.
applications and ratings
1/8W (.125W)
1/5W (.2W)
1/4W (.25W)
1/2W (.5W)
1/5W (.2W)
1/2W (.5W)
±100
±50
±200
±350
E-24
(J±5%)
E-24, E-96
(F±1%)
200V
300V
150V
—
—
—
—
—
—
—
0.22Ω-100KΩ
100Ω-100KΩ
10Ω-604KΩ
10Ω-1.0MΩ
0.22Ω-8.2Ω
(E-12)
200V
500V
600V
-55°C
to
+155°C
√PxR
√PxRx6.25
Derating Curve Surface Temperature Rise
environmental applications
% Rated Power
100
80
60
40
20
20 40 60 80 100 120 140 160
15570
Ambient Temperature
(°C)
00
Temperature Rise
(°C)
80
60
40
20
25 50 75 100
% Rated Power
0
0
2E
2B
2H
2D
2A
E-24, E-96
(C±0.25%)
—
100Ω-100KΩ
—
—
—
—
E-24, E-96
(D±0.5%)
—
—
—
—
—
—
1/8W (.125W) ±50
±25
——
100Ω-604KΩ
±50
±25
100Ω-100KΩ
100Ω-1MΩ
RN412ES 1/4W (.25W) —
1Ω-5.1MΩ
——±50
±25
100Ω-100KΩ100Ω-604KΩ
±350
——
—
0.22Ω-0.91Ω
250V
400V
—
—
250V
* RCWV = Rated Continuous Working Voltage.
Performance Characteristics
Parameter
Thermal Shock MIL-STD-202, Method 107, -55°C to +155°C, 5 cycles
±0.5%
Low Temperature Exposure MIL-R-55342 π4.7.4, 1 Hour @ -55°C
±0.2%
High Temperature Exposure MIL-R-55342 π4.7.6, 100 hours @ 155°C
±1.0%
Short Time Overload MIL-R-55342 π4.7.5, 2.5 x RCWV for 5 seconds
±0.5%
Resistance to Solder Heat MIL-R-55342 π4.7.7, 260°C for 10 seconds
±0.5%
Moisture Resistance
Dielectric Withstanding Voltage
2A
2B
2D
2E
2H
3AS
MIL-STD-202, Method 103, 40°C, 90 - 95% RH, 1000 hours
1 minute minimum
MIL-STD-202, Method 301
±1.0% RN, ±3.0% RM
Insulation Resistance
Maximum ΔR ±(% + 0.05Ω) Test Method
Pulse 2.5 x RCWV, not exceeding maximum overload voltage, 1 second ON,
25 seconds OFF, 10,000 cycles
±1.0% RN, ±2.0% RM
Life MIL-STD-202, Method 108, 70°C, 1000 hours @ RCWV,
1.5 hr ON, 0.5 hr OFF
RN412A:±3.0%, RN412B-2E:±1.0%
RN412H, RM41:±5.0%
200V Minimum
300V Minimum
300V Minimum
400V Minimum
500V Minimum
600V Minimum
—
10,000 MΩ
—
—
Resistance Range
(B±0.1%)
—
—
—
—
—
—
—
—
—
10KΩ-100KΩ
—
RN413AS 1W 1Ω-1MΩ——±50 —
0.22Ω-0.91Ω
600V
