Model: 3R78-P681J

Composition Fixed Resistor

Properties:

Electrical Resistance
680.000 ohms
Resistance Tolerance In Percent
-5.000/+5.000
Ambient Tempurature In Deg Celsius At Full Rated Power
70.0
Ambient Tempurature In Deg Celsius At Zero Percent Rated Power
130.0
Inclosure Method
Encapsulated
Terminal Type
Wire lead
Reliability Indicator
Established
Reliability Failure Rate Level In Percent
0.001
Terminal Length
1.500 inches
Body Diameter
0.225 inches
Body Length
0.562 inches
Power Dissipation Rating In Watts
1.000 free air
Style Designator
Axial terminal each end
Test Data Document
81349-mil-r-39008 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-39008/3 government specification
NSN
5905-00-235-3534
Part Number
3R78-P681J
Description
Resistor,fixed,composition
CAGE
33173

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of a mixture of carbon, an insulating material, and suitable binders, either molded together or applied as a thin layer of conducting material on an insulated form. The opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the item itself. See also attenuator, fixed; resistor, fixed, film; and resistor, thermal. Excludes suppressor, ignition interference.

Part 3R78-P681J NSN 5905-00-235-3534

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00126
FIIG:
A001A0
Concept No.:
1
App. Key:
C
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:
A
ESD:
B
ESD:
B
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
3
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533290000
  • SITC: 77232
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Fixed resistors, for a power handling capacity exceeding 20 w, nesoi

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