CW-2B3.9K+/-5% datasheet, PDF - EEWORLD Datasheet

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CW-2B3.9K+/-5%: DescriptionRESISTOR, WIRE WOUND, 3 W, 5 %, 30 ppm, 3900 ohm, THROUGH HOLE MOUNT, AXIAL LEADED; CategoryPassive components The resistor; File Size34KB，2 Pages; ManufacturerVishay; Websitehttp://www.vishay.com; Environmental Compliance

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CW-2B3.9K+/-5% Overview

RESISTOR, WIRE WOUND, 3 W, 5 %, 30 ppm, 3900 ohm, THROUGH HOLE MOUNT, AXIAL LEADED

CW-2B3.9K+/-5% Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	,
Reach Compliance Code	compliant
JESD-609 code	e3
Manufacturer's serial number	CW
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Package shape	TUBULAR PACKAGE
Rated power dissipation(P)	3 W
Rated temperature	25 °C
resistance	3900 Ω
Resistor type	FIXED RESISTOR
surface mount	NO
technology	WIRE WOUND
Temperature Coefficient	30 ppm/°C
Terminal surface	Matte Tin (Sn)
Terminal shape	WIRE
Tolerance	5%
Operating Voltage	125 V
Base Number Matches	1

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MODEL CW

Wirewound Resistors

Commercial Coated

FEATURES

•

High performance for low cost

•

High temperature silicone coating

•

Complete welded construction

•

Excellent stability in operation

•

High power/size ratio

STANDARD ELECTRICAL SPECIFICATIONS

POWER RATING

(Max. Hot Spot)

MODEL

CW-1/2

CW-1

CW-1M

CW-2

CW-2M

CW-2B

CW-2C

CW-2C-14

CW-5

CW-5-2

CW-5-3

CW-7

CW-10

CW-10-3

Characteristic U

+ 275

.5 W

1.0 W

4.0 W

3.0 W

2.5 W

5.0 W

4.0 W

5.0 W

7.0 W

10.0 W

Characteristic V

+ 350

—

5.5 W

3.75 W

3.25 W

6.5 W

5.0 W

6.5 W

9.0 W

13.0 W

RESISTANCE

RANGE

(Ohms)

0.1 - 1.54k

0.1 - 5.50k

0.1 - 3.30k

0.1 - 28.7k

0.1 - 8.38k

0.1 - 15k

0.1 - 19.9k

0.1 - 58.5k

0.1 - 40.3k

0.1 - 58.5k

0.1 - 95.2k

0.1 - 167k

MAXIMUM

WEIGHT

(Grams)

.21

.34

.30

2.1

.65

.70

1.6

4.2

4.7

9.0

MAXIMUM*

WORKING VOLTAGE

Characteristic U

+ 275

19.6 V

45.9 V

37.4 V

200.0 V

83.0 V

125.0 V

130.0 V

320.0 V

240.0 V

320.0 V

460.0 V

765.0 V

Characteristic V

+ 350

—

235.0 V

116.0 V

140.0 V

150.0 V

365.0 V

265.0 V

365.0 V

520.0 V

875.0 V

MEMO TO DIV:

PLEASE FILL IN

MISSING INFO

*Maximum working voltage determined at .0008" [.020mm] diameter wire resistance values.

Note:

Shaded areas indicate most popular models.

ELECTRICAL SPECIFICATIONS

MECHANICAL SPECIFICATIONS

Resistance Tolerance:

5% standard 1 ohm and above.

10% standard below 1 ohm.

3% available.

Temperature Coefficient:

(- 55°C to + 350°C).

90PPM/°C below 1 ohm.

50PPM/°C 1 ohm to 9.9 ohm.

30PPM/°C 10 ohm and above.

Short Time Overload:

5 seconds at 5 times rated power for

3.75 watt size and smaller. 5 seconds at 10 times rated

power for 4 watt size and larger.

Dielectric Strength:

1000 VAC minimum.

Terminal Strength:

10 pound pull test.

Solderability:

60/40 electro tin plated terminals to

facilitate soldering.

MATERIAL SPECIFICATIONS

Core:

Ceramic: Steatite or alumina, depending on

physical size.

Element:

Copper-nickel alloy or nickel-chrome alloy,

depending on resistance value.

End Caps:

Stainless steel.

Coating:

Special high temperature silicone.

Standard Terminals:

Tinned Copperweld

Vishay Dale

1122 23rd Street, Columbus, NE 68601-3647 •

Phone

(402) 563-6506 •

Fax

402-563-6418 •

Internet

www.vishay.com

Major Vishay Brands

Dale • Draloric • Foil Resistors • Measurements Group • Roederstein • Sfernice • Sprague • Thin Film • Vitramon

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