Model: HT55T2258.0DS

Film Fixed Resistor

Properties:

Tempurature Coefficient Of Resistance In Ppm Per Deg Celsius
-50.0/+50.0
Electrical Resistance
258.000 ohms each resistor
Resistance Tolerance In Percent
-0.500/+0.500
Ambient Tempurature In Deg Celsius At Full Rated Power
125.0
Ambient Tempurature In Deg Celsius At Zero Percent Rated Power
175.0
Tempurature Range Of Tempurature Coefficient In Deg Celsius
-55.0/+175.0
Inclosure Method
Hermetically sealed
Terminal Type
Wire lead
Reliability Indicator
Established
Reliability Failure Rate Level In Percent
0.001
Terminal Length
1.500 inches
Body Diameter
0.109 inches
Body Length
0.250 inches
Power Dissipation Rating In Watts
0.125 free air
Cubic Measure (non-core)
0.002 cubic inches
Unpackaged Unit Weight
0.3 grams
Style Designator
Axial terminal each end
Test Data Document
81349-mil-r-55182 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Specification Data
81349-mil-r-55182/1 government specification
NSN
5905-01-299-0812
Part Number
HT55T2258.0DS
Description
Resistor,fixed,film
CAGE
17745

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also attenuator, fixed and resistor, fixed, composition. Excludes carbon composition type resistors.

Part HT55T2258.0DS NSN 5905-01-299-0812

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05311
FIIG:
A001A0
Concept No.:
1
App. Key:
D
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8533100042
  • SITC: 77231
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Fixed carbon resistors, composition or film type, designed for surface mounting, having two terminals

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