Model: PRH250-4221F

Film Fixed Resistor

Properties:

Tempurature Coefficient Of Resistance In Ppm Per Deg Celsius
+285.0/+385.0 first temp coefficient
Tempurature Coefficient Of Resistance In Ppm Per Deg Celsius
+350.0/+450.0 second temp coefficient
Electrical Resistance
4.220 kilohms
Resistance Tolerance In Percent
-1.000/+1.000
Ambient Tempurature In Deg Celsius At Full Rated Power
70.0
Ambient Tempurature In Deg Celsius At Zero Percent Rated Power
150.0
Tempurature Range Of Tempurature Coefficient In Deg Celsius
+25.0/+105.0 temp range of first temp coefficient
Tempurature Range Of Tempurature Coefficient In Deg Celsius
-55.0/+25.0 temp range of second temp coefficient
Inclosure Method
Hermetically sealed
Terminal Type
Wire lead
Reliability Indicator
Not established
Body Diameter
0.249 inches
Body Length
0.655 inches
Power Dissipation Rating In Watts
0.250 free air
Style Designator
Axial terminal each end
Test Data Document
05030-280mr033 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
NSN
5905-00-715-0147
Part Number
PRH250-4221F
Description
Resistor,fixed,film
CAGE
80031

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 PRH250-4221F NSN 5905-00-715-0147

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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