NMQXL-040U-40/N - NEWPORT Electronics

www.vishay.com Vishay Dale

Revision: 15-Nov-17 1Document Number: 30215

For technical questions, contact: ww2aresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

Wirewound Resistors, Commercial Power,

Silicone Coated, Axial Lead

DESIGN SUPPORT TOOLS

FEATURES

• High performance for low cost

• High temperature silicone coating

• Complete welded construction

• Excellent stability in operation

• High power to size ratio

• Material categorization:

for definitions of compliance please see

www.vishay.com/doc?99912

Note

This datasheet provides information about parts



that are RoHS-compliant and / or parts that are non



RoHS-compliant. For example, parts with lead (Pb)



terminations are not RoHS-compliant. Please see the



information / tables in this datasheet for details

Notes

(1) Vishay Dale CW models have two power ratings, depending on operating temperature and stability requirements

(2) 3 % tolerance available

(3) Higher values available on request

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Available

Models

Available

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL



MODEL

HISTORICAL

MODEL

POWER RATING (1) P25 °C W

CHARACTERISTIC U

+250 °C

POWER RATING (1) P25 °C W

CHARACTERISTIC V

+350 °C

RESISTANCE RANGE



TOLERANCE

± %

(2)

WEIGHT

(max.) g

CW1/2 CW-1/2 0.5 - 0.1 to 1.77K 5, 10 0.21

CW001 CW-1 1.0 -0.1 to 6.37K 5, 10 0.34

CW01M CW-1M 1.0 - 0.1 to 3.3K 5, 10 0.3

CW002 CW-2 4.0 5.5 0.1 to 28.7K 5, 10 2.1

CW02M CW-2M 3.0 3.75 0.1 to 12K 5, 10 0.65

CW02B CW-2B 3.0 3.75 0.1 to 15K 5, 10 0.7

CW02B...13 CW-2B-13 4.0 6.0 0.1 to 10.89K (3) 5, 10 0.9

CW02C CW-2C 2.5 3.25 0.1 to 19.9K 5, 10 1.8

CW02C...14 CW-2C-14 2.5 3.25 0.1 to 19.9K 5, 10 1.2

CW005 CW-5 5.0 6.5 0.1 to 58.5K 5, 10 4.2

CW005...2 CW-5-2 4.0 5.0 0.1 to 40.3K 5, 10 4.2

CW005...3 CW-5-3 5.0 6.5 0.1 to 58.5K 5, 10 4.2

CW007 CW-7 7.0 9.0 0.1 to 95.2K 5, 10 4.7

CW010 CW-10 10.0 13.0 0.1 to 167K 5, 10 9.0

CW010...3 CW-10-3 10.0 13.0 0.1 to 167K 5, 10 9.0

TECHNICAL SPECIFICATIONS

PARAMETER UNIT CW RESISTOR CHARACTERISTICS

Temperature Coefficient ppm/°C ± 30 for 10  and above, ± 50 for 1.0  to 9.9 , ± 90 for 0.5  to 0.99 

Dielectric Withstanding Voltage VAC 1000

Short Time Overload -

5 x rated power for 5 s for 3.75 W size and smaller, 10 x rated power for 5 s for 4 W size and greater

Terminal Strength lb 10 minimum

Maximum Working Voltage V (P x R)1/2

Operating Temperature Range °C Characteristic U = -65 to +250, characteristic V = -65 to +350

Power Rating - Characteristic U = +250 °C max. hot spot temperature, ± 0.5 % max. R in 2000 h load life

Characteristic V = +350 °C max. hot spot temperature, ± 3.0 % max. R in 2000 h load life

GLOBAL PART NUMBER INFORMATION

Global Part Numbering example: CW02C10K00JB1214

GLOBAL MODEL VALUE TOLERANCE PACKAGING SPECIAL

(see Standard

Electrical

Specifications

Global Model

column for

options)

R = decimal

K = thousand

1R500 = 1.5 

1K500 = 1.5 k

H = ± 3.0 %

J = ± 5.0 %

K = ± 10.0 %

E70 = lead (Pb)-free, tape / reel, 1K pcs (smaller than CW005)

E73 = lead (Pb)-free, tape/reel, 500 pcs

E12 = lead (Pb)-free, bulk

D18 = lead (Pb)-free, R1R80 tape/reel

CW02B...13 pack code for Europe use only

S70 = tin / lead, tape / reel, 1K pcs (smaller than CW005)

S73 = tin / lead, tape / reel, 500 pcs

B12 = tin / lead, bulk

(dash number)

(up to 3 digits)

from 1 to 999

as applicable

Historical Part Numbering example: CW-2C-14 10 k 5 % B12

CW-2C-14 10 k5 % B12

HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING

2C10 00JKW0 B12C 41

www.vishay.com Vishay Dale

Revision: 15-Nov-17 2Document Number: 30215

For technical questions, contact: ww2aresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

DIMENSIONS in inches (millimeters)

Notes

(1) On some standard reel pack methods, the leads may be trimmed to a shorter length than shown

(2) B (maximum) dimension is clean lead to clean lead

MATERIAL SPECIFICATIONS

Element: copper-nickel alloy or nickel-chrome alloy,

depending on resistance value

Core: ceramic: steatite or alumina, depending on physical

size

Coating: special high temperature silicone

Standard Terminals: tinned Copperweld®

(CW02B…13 is tinned copper)

End Caps: stainless steel

Part Marking: DALE, model, wattage (1), value, tolerance,

date code

Note

(1) Wattage marked on resistor will be “V” characteristic, CW1/2 will

not be marked with wattage.

DERATING

Note

(1) All R figures shown are maximum, based upon testing requirements per MIL-PRF-26 at a maximum operating temperature of +350 °C.

R maximum figures are considerably lower when tested at a maximum operating temperature of +250 °C

MODEL DIMENSIONS in inches [millimeters]

AB [MAXIMUM] (2) CD

CW1/2 0.250 ± 0.031 [6.35 ± 0.787] 0.281 [7.14] 0.085 ± 0.020 [2.16 ± 0.508] 0.020 ± 0.002 [0.508 ± 0.051]

CW001 0.406 ± 0.031 [10.31 ± 0.787] 0.437 [11.10] 0.094 ± 0.031 [2.39 ± 0.787] 0.020 ± 0.002 [0.508 ± 0.051]

CW01M 0.270 ± 0.031 [6.86 ± 0.787] 0.311 [7.90] 0.110 ± 0.015 [2.79 ± 0.381] 0.020 ± 0.002 [0.508 ± 0.051]

CW002 0.625 ± 0.062 [15.87 ± 1.57] 0.765 [19.43] 0.250 ± 0.032 [6.35 ± 0.813] 0.040 ± 0.002 [1.02 ± 0.051]

CW02M 0.500 ± 0.062 [12.70 ± 1.57] 0.562 [14.27] 0.185 ± 0.032 [4.70 ± 0.813] 0.032 ± 0.002 [0.813 ± 0.051]

CW02B 0.562 ± 0.062 [14.27 ± 1.57] 0.622 [15.80] 0.188 ± 0.032 [4.78 ± 0.813] 0.032 ± 0.002 [0.813 ± 0.051]

CW02B...13 0.500 ± 0.062 [12.70 ± 1.57] 0.563 [14.30] 0.188 ± 0.032 [4.78 ± 0.813] 0.032 ± 0.002 [0.813 ± 0.051]

CW02C 0.500 ± 0.062 [12.70 ± 1.57] 0.593 [15.06] 0.218 ± 0.032 [5.54 ± 0.813] 0.040 ± 0.002 [1.02 ± 0.051]

CW02C...14 0.500 ± 0.062 [12.70 ± 1.57] 0.593 [15.06] 0.218 ± 0.032 [5.54 ± 0.813] 0.032 ± 0.002 [0.813 ± 0.051]

CW005 0.875 ± 0.062 [22.22 ± 1.57] 1.0 [25.40] 0.312 ± 0.032 [7.92 ± 0.813] 0.040 ± 0.002 [1.02 ± 0.051]

CW005...2 0.875 ± 0.062 [22.22 ± 1.57] 1.0 [25.40] 0.250 ± 0.032 [6.35 ± 0.813] 0.032 ± 0.002 [0.813 ± 0.051]

CW005...3 0.875 ± 0.062 [22.22 ± 1.57] 1.0 [25.40] 0.312 ± 0.032 [7.92 ± 0.813] 0.032 ± 0.002 [0.813 ± 0.051]

CW007 1.218 ± 0.062 [30.94 ± 1.57] 1.281 [32.54] 0.312 ± 0.032 [7.92 ± 0.813] 0.040 ± 0.002 [1.02 ± 0.051]

CW010 1.781 ± 0.062 [45.24 ± 1.57] 1.875 [47.62] 0.375 ± 0.032 [9.52 ± 0.813] 0.040 ± 0.002 [1.02 ± 0.051]

CW010...3 1.781 ± 0.062 [45.24 ± 1.57] 1.875 [47.62] 0.375 ± 0.032 [9.52 ± 0.813] 0.032 ± 0.002 [0.813 ± 0.051]

1.50 [38.10]

(1)

min. A

RATED POWER IN %

AMBIENT TEMPERATURE IN °C

100

120

- 65

150 35050 2500- 50

CHAR. U

CHAR. V

PERFORMANCE

TEST CONDITIONS OF TEST TEST LIMITS (1)

(CHARACTERISTIC V)

Thermal Shock Rated power applied until thermally stable, then a minimum of 15 min at -55 °C ± (2.0 % + 0.05 ) R

Short Time Overload 5x rated power (3.75 W and smaller), 10 x rated power (4 W and larger) for 5 s ± (2.0 % + 0.05 ) R

Dielectric Withstanding

Voltage 1000 Vrms, 1 min ± (0.1 % + 0.05 ) R

Low Temperature Storage -65 °C for 24 h ± (2.0 % + 0.05 ) R

High Temperature Exposure 250 h at +350 °C ± (4.0 % + 0.05 ) R

Moisture Resistance MIL-STD-202 Method 106, 7b not applicable ± (2.0 % + 0.05 ) R

Shock, Specified Pulse MIL-STD-202 Method 213, 100 g’s for 6 ms, 10 shocks ± (0.2 % + 0.05 ) R

Vibration, High Frequency Frequency varied 10 Hz to 2000 Hz, 20 g peak, 2 directions 6 h each ± (0.2 % + 0.05 ) R

Load Life 2000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF” ± (3.0 % + 0.05 ) R

Terminal Strength 5 s to 10 s 10 pound pull test; torsion test - 3 alternating directions, 360° each ± (1.0 % + 0.05 ) R

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Revision: 08-Feb-17 1Document Number: 91000

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