Model: 2N491A

Transistor

Properties:

Inclosure Material
Metal
Overall Length
Between 0.240 inches and 0.260 inches
Terminal Length
1.500 inches
Overall Diameter
Between 0.335 inches and 0.370 inches
Internal Configuration
Unijunction
Mounting Method
Terminal
Terminal Circle Diameter
0.200 inches
Features Provided
Hermetically sealed case
Semiconductor Material
Silicon
Current Rating Per Characteristic
70.00 milliamperes source cutoff current
Power Rating Per Characteristic
600.0 milliwatts small-signal input power, common-collector absolute
Maximum Operating Tempurature Per Measurement Point
175.0 degrees celsius junction
Terminal Type And Quantity
3 uninsulated wire lead
NSN
5961-00-196-1378
Part Number
2N491A
Description
Transistor
CAGE
01295

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 2N491A NSN 5961-00-196-1378

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:
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:
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063025
UFC:
34525
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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