HR1421.50.5 datasheet, PDF - EEWORLD Datasheet

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HR1421.50.5: DescriptionFixed Resistor, Wire Wound, 0.5W, 21.5ohm, 300V, 0.5% +/-Tol, -15,15ppm/Cel,; CategoryPassive components The resistor; File Size78KB，4 Pages; ManufacturerTT Electronics plc; Websitehttp://www.ttelectronics.com/

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HR1421.50.5 Overview

Fixed Resistor, Wire Wound, 0.5W, 21.5ohm, 300V, 0.5% +/-Tol, -15,15ppm/Cel,

HR1421.50.5 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Objectid	714434452
Reach Compliance Code	compliant
ECCN code	EAR99
structure	Tubular
Lead diameter	0.8 mm
Lead length	38.1 mm
Number of terminals	2
Maximum operating temperature	145 °C
Minimum operating temperature	-65 °C
Package diameter	6.3 mm
Package length	19 mm
Package shape	TUBULAR PACKAGE
Package form	Axial
Rated power dissipation(P)	0.5 W
Guideline	MIL-R-39005
resistance	21.5 Ω
Resistor type	FIXED RESISTOR
series	HR(AXIAL)
technology	WIRE WOUND
Temperature Coefficient	-15,15 ppm/°C
Tolerance	0.5%
Operating Voltage	300 V

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Axial Lead Precision

Wirewound Resistors

RB / RBR, VA / HR, SP / 7000 Series

•

0.1 to 1.0 watts

Tolerance to ±.01%

0.1 ohm to 12 meg ohms

Approved to M, P, & R levels

TCR’s from ±2 ppm/°C to +6000 ppm/°C

Meets or exceeds all applicable MIL-R-93 & MIL-R-39005 ratings

The RB/RBR ultra precision resistors are designed and produced for critical parameter applications. They are available

for established reliability military and/or commercial applications requiring state of the art precision and stability.

Construction features may vary slightly between commercial and military styles, but both are produced under the same

rigid quality control system required by the tightest military speciﬁcations. Both are produced in the same production

line using the same highly trained operators required to produce the established reliability product.

All terminations are welded to reduce contact noise and thermal EMF. Extensive accelerated aging programs both

before and after calibration assure precise initial accuracy and high resistance stability.

Encapsulation is accomplished by a unique dry air chamber epoxy shell technique for established reliability parts. A

resilient inner coating is used to minimize internal stresses on all parts.

All resistors (military and commercial) are carefully monitored during assembly, winding, coating, and stabilization

procedures to assure high quality standards. Premium grade selected wire is control- stress wound on special designed

bobbins. Established reliability military parts are then burned in for 100 hours at 125°C ambient as part MIL-R-93, or

equivalent, of group A acceptance testing. Documentation and special tests are available upon customer request to

meet your unique requirements.

TCR and Temperature Data

Style

Resistance Range (Ω)

0.1 - 0.9

All

Styles

1.0 - 9.9

10 - 99.9

100 - 12M

Absolute TCR (ppm/°C)

±90

±30

±15

±10

-65 to +145

Operating Temperature Range (°C)

Special Screening / Acceptance Test:

Special tests can be performed on a 100% or sample basis, to meet individual customer requirements. Some of the

available non-destructive tests include:

• Short Time Overload

• Thermal Shock

• Mechanical Shock

• Vibration

• Temperature Coefﬁcient of Resistance

• Radiographic Inspection

Each of these tests is designed to detect a spectrum of potential resistor defects. Consult the factory for recommendations

and a quotation on special screening or acceptance tests to meet your needs.

General Note

IRC reserves the right to make changes in product speciﬁcation without notice or liability.

All information is subject to IRC’s own data and is considered accurate at time of going to print.

A subsidiary of

TT electronics plc

RB/RBR, VA/HR, SP/ 7000 Series Issue January 2010 Sheet 1 of 4

Wire and Film Technologies Division

• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

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