Model: MIL-PRF-19500/478

Diode Semiconductor Device

Special Features:

Weapon system essential

Properties:

Inclosure Material
Metal
Overall Length
1.253 inches
End Application
Central message switch, an/tyc-39a; support equipment, b-52 aircraft; aircraft, sof (ac-130h, mc-130h, ec-130e, hc-130); tactical data system, an/uya- (v); tactical air opns module (an/tyq-(23); computer display set an/uyq-21(v); support equipment, b-1 aircraft; communications systems, an/wrr-7; fire control system, mk 92 (fcs)
Mounting Facility Quantity
1
Joint Electronic Device Engineering Council/jedec/case Outline Designation
Do-4
Electrode Internally-electrically Connected To Case
Cathode
Mounting Method
Threaded stud
Overall Width Across Flats
Between 0.424 inches and 0.437 inches
Thread Size
0.190 inches
Criticality Code Justification
Feat
Semiconductor Material
Silicon
Voltage Rating In Volts Per Characteristic
150.0 reverse voltage, instantaneous and 150.0 working peak reverse voltage
Current Rating Per Characteristic
400.00 amperes forward current, average preset
Maximum Operating Tempurature Per Measurement Point
175.0 degrees celsius junction
Test Data Document
81349-mil-prf-19500 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.).
Thread Series Designator
Unf
Terminal Type And Quantity
1 threaded stud and 1 tab, solder lug
Specification Data
81349-mil-prf-19500/478 government specification
NSN
5961-01-040-6423
Part Number
MIL-PRF-19500/478
Description
Semiconductor Device,diode
CAGE
81349

A two electrode semiconductor device having an asymmetrical voltage - current characteristic. May or may not include mounting hardware and/or heatsink. Excludes light emitting diode and semiconductor device,photo. For items containing material such as selenium and copper oxide, see recifier, metallic.

Part MIL-PRF-19500/478 NSN 5961-01-040-6423

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20589
FIIG:
A110A0
Concept No.:
1
App. Key:
B
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:
A
ESD:
A
MMAC:
EH
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.0000lbs
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:
063025
UFC:
34525
LTL:
RATING VARIABLE
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8541100070
  • SITC: 77631
  • End Use: Semiconductors
  • NAICS: 334413
  • USDA: 1

Freight Class: Diodes, other than photosensitve or led, with a maximum current of 0.5 a or less

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