Model: 78-4821

Thyristor Semiconductor Device

Special Features:

Junction pattern arrangement: pnpn

Properties:

Inclosure Material
Metal
Overall Length
1.120 inches
End Application
Wasp class lhd, tarawa class lha. Electric power generation system. Countermeasures systems.
Mounting Facility Quantity
1
Internal Configuration
Junction contact
Joint Electronic Device Engineering Council/jedec/case Outline Designation
T0-93
Mounting Method
Threaded stud
Features Provided
Hermetically sealed case and mounting hardware
Overall Width Across Flats
1.250 inches
Thread Size
0.750 inches
Semiconductor Material
Silicon
Voltage Rating In Volts Per Characteristic
800.0 reverse voltage, peak and 3.0 gate trigger voltage, dc
Current Rating Per Characteristic
250.00 milliamperes forward current, total rms preset
Power Rating Per Characteristic
2.0 watts small-signal input power, common-collector blank
Maximum Operating Tempurature Per Measurement Point
125.0 degrees celsius ambient air
Thread Series Designator
Unf
Terminal Type And Quantity
3 insulated wire lead w/terminal lug
NSN
5961-00-584-2452
Part Number
78-4821
Description
Semiconductor Device,thyristor
CAGE
81483

A bistable semiconductor device comprising three or more junctions which is normally a nonconductor until the application of a signal to a gate terminal, at which time the device switches to the conductive state. Includes devices capable of being switched back to the nonconductive state upon application of a different signal to the same or another gate terminal. May or may not include mounting hardware and/or heatsink. For solid state devices which are responsive to visible or infrared radiant energy, see semiconductor device, photo.

Part 78-4821 NSN 5961-00-584-2452

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
33096
FIIG:
A110A0
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:
0.6000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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: 8541300080
  • SITC: 77635
  • End Use: Semiconductors
  • NAICS: 334413
  • USDA: 1

Freight Class: Thyristors, diacs & triacs, other than photosensitive devices, nesoi

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