Metal Film Resistors
FEATURES
• MEETS OR EXCEEDS MIL-R-10509E SPECIFICATIONS
• ULTRA-LOW NOISE WITH LOW TEMPERATURE COEFFICIENTS
• CLOSE TOLERANCE, PRECISION APPLICATIONS
• EIA COLOR CODING RESISTANT TO INDUSTRIAL SOLVENTS
• AVAILABLE ON TAPE AND REEL FOR AUTOMATIC INSERTION AND
..BULK
PACK FOR SMALL PRODUCTION RUNS OR PROTOTYPES
BULK
• ECONOMICALLY PRICED
NMR Series
RoHS
Compliant
NMR50
0.5W
350V
700V
(F) ±1%(STD.)
10
Ω
~ 1MegW
Less than 10
Ω,
More than 1Meg
Ω
E96
NMR100
1W
500V
1000V
(F) ±1%(STD.)
---
*10
Ω
~ 1Meg
Ω
E96
includes all homogeneous materials
STANDARD TYPES, RATINGS AND AVAILABILITY
Type
Power Rating at 70
o
C
Max. Working Voltage at 70
o
C*
Max. Overload Voltage at 70
o
C
Resistance Tolerance
±50ppm/
o
C
Temperature
Coefficient
±100ppm/
o
C
Resistance Value Availability
NMR16
0.125W
150V
300V
(F) ±1%(STD.)
10
Ω
~ 1Meg
Ω
Less than 10
Ω
More than 1Meg
Ω
E96
NMR25
*See Part Number System for Details
0.25W
250V
500V
(D) + 0.5% (OPT.) (F) + 1.0% (STD)
10
Ω
~ 1Meg
Ω
Less than 10
Ω,
More than 1Meg
Ω
E96
* Extended resistance range available on request
PERFORMANCE CHARACTERISTICS
Requirements
Operating Temperature Range
Temperature Coefficient
Temperature Cycling
Low Temperature Operation
Short Time Overload
Terminal Strength
Dielectric Withstanding Voltage
Insulation Resistance
Soldering Effect
Moisture Resistance
Load Life
Vibration
Current Noise
Solvent Resist
Performance
-55 ~ +155
o
C
±50, ±100ppm/
o
C
R
≤
±(0.5% + 0.05
Ω)
R
≤
±(0.5% + 0.05Ω)
R
≤
±(0.5% + 0.05Ω)
R
≤
±(0.5% + 0.05Ω)
R
≤
±(0.5% + 0.05Ω)
10,000M
Ω
minimum
R
≤
±(0.5% + 0.05Ω)
R
≤
±(1% + 0.05Ω)
R
≤
±(1% + 0.05Ω)
R
≤
±(0.5% + 0.05Ω)
0.2
µ
V/V (-14dB)
4.6.12
4.6.6
4.6.5
4.6.6
4.6.7
4.6.8
4.6.9
4.6.10
(MIL-R-22684B, 4.6.10)
4.6.13
(MIL-R-2268B, 4.6.16)
(JIS C5202, 5.9 Method II)
Test Method
MIL-R-10509F
**- Maximum allowable continuous volt-
age (Vdc or rms) for all resistors is the
lower of the two values: “MAXIMUM
WORKING VOLTAGE” as specified
or
Power rating (WATTS x Value (Ω)
MIL-STD-202, Method 215, Tricholorethylene, Tricholoroethane
Trichlorotrifluroroethane
SURFACE TEMPERATURE
RISE
100
80
60
40
20
0
20
40
60
80
NMR25
NMR100
NMR50
TYPICAL PERFORMANCES
SURFACE TEMPERATURE
(
O
C)
100
PERCENT RATED WATT-
AGE (%)
80
60
40
20
0
0
40
70 100 120 140 155 180
DERATING CURVE
FREQUENCY CHARACTERISTICS
100
TEMPERATURE (oC)
PERCENT RATED
WATTAGE (%)
®
34
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
Metal Film Resistors
DIMENSIONS (mm)
Type
NMR16
NMR25
NMR50
NMR100
D∅
1.7 ± 0.2
2.4 ± 0.4
3.2 ± 0.5
4.5 ± 0.5
L
3.7 ± 0.4
6.4 ± 0.5
9.5 ± 0.5
11.0 ± 1.0
d∅ ±0.05
0.45
0.60
0.65
0.80
25 Min.
L
25 Min.
d∅
NMR Series
D∅
COLOR CODING
Color
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Grey
White
Gold
Silver
Significant Figure
1st
0
1
2
3
4
5
6
7
8
9
-
-
2nd
0
1
2
3
4
5
6
7
8
9
-
-
3rd
0
1
2
3
4
5
6
7
8
9
-
-
Multiplier
1
10
100
1,000
10,000
100,000
1,000,000
10,000,000
-
-
0.1
0.01
Tolerance
-
F (±1%)
G (±2%)
-
-
D (±0.5%)
C (±0.25%)
B (±0.1%)
-
-
J (±5%)
K (±10%)
Significant Figures
of Nominal Resistance Values
(E-96 1% Tolerance)
1.00
1.02
1.05
1.07
1.10
1.21
1.33
1.47
1.62
1.78
1.96
2.15
2.37
2.61
2.87
3.16
3.48
3.83
4.22
4.64
5.11
5.62
6.19
6.81
7.50
8.25
9.09
1.13
1.24
1.37
1.50
1.65
1.82
2.00
2.21
2.43
2.67
2.94
3.24
3.57
3.92
4.32
4.75
5.23
5.76
6.34
6.98
7.68
8.45
9.31
1.15
1.27
1.40
1.54
1.69
1.87
2.05
2.26
2.49
2.74
3.01
3.32
3.65
4.02
4.42
4.87
5.36
5.90
6.49
7.15
7.87
8.66
9.53
1.18
1.30
1.43
1.58
1.74
1.91
2.10
2.32
2.55
2.80
3.09
3.40
3.74
4.12
4.53
4.99
5.49
6.04
6.65
7.32
8.06
8.87
9.76
METAL FILM
PART NUMBER SYSTEM
NMR 25 F 1003 TR F
RoHS compliant parts
TR = Tape and Reel
B = Bulk
Resistance code: First 3 digits are significant, 4th digit is
multiplier. Use “R” as decimal for values below 100 OHMS.
Tolerance Code:
F =
±1%
(STD.)
G =
±2%
(OPT.)
D =
±0.5%
(OPT.)
Power Ratings (Wattage Code)
16 = .125W 50 = .50W
Series
25 = .25W 100 = 1 WATT
PACKAGING
TAPE AND REEL
BULK
-
5000 PIECES
- 1000 PIECES
(5 BAGS OF 200 PER BAG)
®
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
35
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