Model: U257

Transistor

Properties:

Overall Length
Between 0.165 inches and 0.185 inches
Terminal Length
0.040 inches
Overall Diameter
Between 0.305 inches and 0.335 inches
Internal Configuration
Field effect-dual gate
Joint Electronic Device Engineering Council/jedec/case Outline Designation
T0-78
Mounting Method
Terminal
Terminal Circle Diameter
0.019 inches
Semiconductor Material
Silicon
Current Rating Per Characteristic
50.00 milliamperes gate current
Power Rating Per Characteristic
500.0 milliwatts total device dissipation
Maximum Operating Tempurature Per Measurement Point
150.0 degrees celsius ambient air
Terminal Type And Quantity
7 uninsulated wire lead
NSN
5961-01-091-2836
Part Number
U257
Description
Transistor
CAGE
17856

An active semiconductor device with three or more electrodes. May or may not include mounting hardware and/or heatsink. Excludes semiconductor device, diode and semiconductor device, thyristor. For solid state devices which are responsive to visible or infrared radiant energy, see semiconductor device, photo.

Part U257 NSN 5961-01-091-2836

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20588
FIIG:
A110A0
Concept No.:
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:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8541500080
  • SITC: 77639
  • End Use: Semiconductors
  • NAICS: 334413
  • USDA: 1

Freight Class: Semiconductor devices, nesoi

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