NMR Series
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
• ECONOMICALLY PRICED
RoHS
Compliant
includes all homogeneous materials
*See Part Number System for Details
STANDARD TYPES, RATINGS AND AVAILABILITY
Type
NMR16
NMR25
NMR50
NMR100
1W
Power Rating at 70oC
Max. Working Voltage at 70oC*
Max. Overload Voltage at 70oC
Resistance Tolerance
0.125W
150V
0.25W
0.5W
350V
250V
500V
500V
1000V
300V
700V
(F) ±1%(STD.)
(D) + 0.5% (OPT.) (F) + 1.0% (STD)
10Ω ~ 1MegΩ
(F) ±1%(STD.)
(F) ±1%(STD.)
---
±50ppm/oC
10Ω ~ 1MegΩ
Less than 10Ω
More than 1MegΩ
10Ω ~ 1MegW
Less than 10Ω,
More than 1MegΩ
Temperature
±100ppm/oC
Coefficient
Less than 10Ω, More than 1MegΩ
*10Ω ~ 1MegΩ
Resistance Value Availability
E96
E96
E96
E96
* Extended resistance range available on request
PERFORMANCE CHARACTERISTICS
Test Method
MIL-R-10509F
Requirements
Performance
Operating Temperature Range
Temperature Coefficient
Temperature Cycling
Low Temperature Operation
Short Time Overload
Terminal Strength
-55 ~ +155oC
±50, ±100ppm/oC
R ≤ ±(0.5% + 0.05Ω)
R ≤ ±(0.5% + 0.05Ω)
R ≤ ±(0.5% + 0.05Ω)
R ≤ ±(0.5% + 0.05Ω)
R ≤ ±(0.5% + 0.05Ω)
10,000MΩ minimum
R ≤ ±(0.5% + 0.05Ω)
R ≤ ±(1% + 0.05Ω)
R ≤ ±(1% + 0.05Ω)
R ≤ ±(0.5% + 0.05Ω)
0.2µV/V (-14dB)
4.6.12
4.6.6
4.6.5
**- Maximum allowable continuous volt-
age (Vdc or rms) for all resistors is the
lower of the two values: “MAXIMUM
WORKING VOLTAGE” as specified
4.6.6
4.6.7
4.6.8
Dielectric Withstanding Voltage
Insulation Resistance
Soldering Effect
4.6.9
or
4.6.10
Power rating (WATTS x Value (Ω)
Moisture Resistance
Load Life
(MIL-R-22684B, 4.6.10)
4.6.13
Vibration
(MIL-R-2268B, 4.6.16)
(JIS C5202, 5.9 Method II)
Current Noise
MIL-STD-202, Method 215, Tricholorethylene, Tricholoroethane
Trichlorotrifluroroethane
Solvent Resist
TYPICAL PERFORMANCES
SURFACE TEMPERATURE
RISE
FREQUENCY CHARACTERISTICS
DERATING CURVE
100
100
80
60
40
20
80
60
40
20
0
NMR100
NMR50
NMR25
0
20
0
40
100 120
40
80 100
70
140 155
60
180
TEMPERATURE (oC)
PERCENT RATED
WATTAGE (%)
®
NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com www.SMTmagnetics.com
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