WW2BTR768 datasheet, PDF - EEWORLD Datasheet

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WW2BTR768: DescriptionFixed Resistor, Wire Wound, 2.1W, 0.768ohm, 1000V, 0.1% +/-Tol, 90ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT; CategoryPassive components The resistor; File Size96KB，3 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/; Environmental Compliance

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WW2BTR768 Overview

Fixed Resistor, Wire Wound, 2.1W, 0.768ohm, 1000V, 0.1% +/-Tol, 90ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT

WW2BTR768 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	SEI(Stackpole Electronics Inc.)
package instruction	AXIAL LEADED, ROHS COMPLIANT
Reach Compliance Code	compli
ECCN code	EAR99
Other features	PRECISION
structure	Welded
JESD-609 code	e3
Lead diameter	0.81 mm
Lead length	38.1 mm
Manufacturer's serial number	WW
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	350 °C
Minimum operating temperature	-55 °C
Package diameter	4 mm
Package length	9.4 mm
Package shape	TUBULAR PACKAGE
Package form	Axial
method of packing	TR, 11 INCH
Rated power dissipation(P)	2.1 W
Rated temperature	70 °C
resistance	0.768 Ω
Resistor type	FIXED RESISTOR
series	WW
surface mount	NO
technology	WIRE WOUND
Temperature Coefficient	90 ppm/°C
Terminal surface	Matte Tin (Sn)
Terminal shape	WIRE
Tolerance	0.1%
Operating Voltage	1000 V

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WW/MWW/NWW Series

General Purpose and Precision Wirewound Resistor

Features:

•

Stackpole Electronics, Inc.

Resistive Product Solutions

WWS offers miniature size at higher power rating

High performance for low cost

High power to size ratio

MWW – completely molded construction with welded terminations

Complete welded terminations

Tinned copper leads

Available in non-inductive styles

High temperature silicone coating

RoHS compliant

Higher operating temperatures available

Bulk packaging available - contact Stackpole for package quantities

Electrical Specifications

Type / Code

MIL-R-26 Ref.

Dielectric

Strength (V)

(1)

Power Rating

(Watts)

@ 125ºC

0.4W

1.5W

2.5W

6.5W

10W

Power Rating

(Watts)

@ 70ºC

0.5 W

1.1 W

1.3 W

2.1 W

2.6 W

3.2 W

3.4 W

4.3 W

5.1 W

7.2 W

7.7 W

11.0 W

1.3 W

3.2 W

5.5 W

11.0 W

TCR (ppm/ºC)

Ohmic Range(Ω) and Tolerance

0.1%, 0.5%, 1% & 5%

Standard

Non-Inductive

0.1 - 2K

0.1 - 1K

0.1 - 3K

0.1 - 1.5K

0.1 - 7K

0.1 - 3.5K

0.1 - 10K

0.1 - 5K

0.1 - 3K

0.1 - 1.5K

0.1 - 15K

0.1 - 7.5K

0.1 - 22K

0.1 - 11K

0.1 - 10K

0.1 - 5K

0.1 - 30K

0.1 - 15K

0.1 - 40K

0.1 - 20K

0.1 - 22K

0.1 - 11K

0.1 - 50K

0.1 - 25K

0.1 - 40K

0.1 - 20K

0.1 - 70K

0.1 - 35K

0.1 - 50K

0.1 - 25K

0.1 - 100K

0.1 - 50K

0.1 - 150K

0.1 - 75K

0.1 - 100K

0.1 - 50K

0.1 - 2K

0.1 - 20K

0.1 - 40K

0.1 - 150K

WW12 / NWW12

500V

WW1 / NWW1

500V

WW1A / NWW1A

RW-70

500V

WW2 / NWW2

RW-69

1,000V

WWS2 / NWWS2

500V

WW2A / NWW2A

1,000V

WW3 / NWW3

RW-79

1,000V

WWS3 / NWWS3

1,000V

WW3A / NWW3A

1,000V

WW4 / NWW4

1,000V

WWS4 / NWWS4

RW-79

1,000V

WW5 / NWW5

RW-67, RW-74

1,000V

WWS5 / NWWS5

1,000V

WW7 / NWW7

1,000V

WWS7 / NWWS7

RW-67, RW-74

1,000V

WW7B / NWW7B

1,000V

WW10 / NWW10

RW-78

1,000V

WWS10 / NWWS10

1,000V

MWW1 / NMWW1

RW-70

1,000V

MWW3 / NMWW3

RW-79

1,000V

MWW5 / NMWW5

RW-67, RW-74

1,000V

MWW10 / NMWW10 RW-68, RW-74

1,000V

(1) Lesser of

√PR

or maximum working voltage

< 1Ω = ±90ppm/ºC

1Ω to 10Ω = ±50ppmºC

>10Ω = ±20ppm/ºC

Performance Characteristics

Test

Moisture Resistance

Load Life

Temperature Cycling

Short Time Overload

Test Condition

1000 hours, 95% R.H., 40ºC

1000 hours,

cycled power 1.5 hours ON, 0.5 hours OFF, 25ºC

5 cycles, -55ºC to 200ºC

5 times rated power for 5 seconds

Result

1% max

0.5%

Operating Temperature Range: -55ºC to +350ºC

Rev Date: 08/20/2012

This specification may be changed at any time without prior notice

Please confirm technical specifications before you order and/or use.

www.seielect.com

marketing@seielect.com

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