Model: 2N4957

Transistor

Special Features:

Junction pattern arrangement: pnp

Properties:

Inclosure Material
Metal
Overall Length
Between 0.170 inches and 0.210 inches
Terminal Length
Between 0.500 inches and 0.750 inches
Overall Diameter
Between 0.209 inches and 0.230 inches
Internal Configuration
Junction contact
Mounting Method
Terminal
Terminal Circle Diameter
0.100 inches
Semiconductor Material
Silicon
Voltage Rating In Volts Per Characteristic
30.0 collector to base voltage/static/emitter open and 30.0 collector to emitter voltage/static/base open and 3.0 emitter to base voltage, static, collector open
Current Rating Per Characteristic
30.00 milliamperes source cutoff current
Power Rating Per Characteristic
200.0 milliwatts small-signal input power, common-collector preset
Maximum Operating Tempurature Per Measurement Point
200.0 degrees celsius junction
Precious Material And Location
Terminal surface option gold
Test Data Document
81349-mil-s-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.).
Terminal Type And Quantity
4 uninsulated wire lead
Specification Data
81349-mil-s-19500/426 government specification
NSN
5961-01-022-6854
Part Number
2N4957
Description
Transistor
CAGE
04713

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 2N4957 NSN 5961-01-022-6854

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:
G
ESD:
B
ESD:
B
MMAC:
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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
39
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: 8541500080
  • SITC: 77639
  • End Use: Semiconductors
  • NAICS: 334413
  • USDA: 1

Freight Class: Semiconductor devices, nesoi

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