Model: 1N4549B

Diode Semiconductor Device

Properties:

Inclosure Material
Metal
Overall Length
0.450 inches
Overall Diameter
0.667 inches
Mounting Facility Quantity
1
Mounting Method
Threaded stud
Features Provided
Hermetically sealed case
Overall Width Across Flats
Between 0.667 inches and 0.687 inches
Thread Size
0.250 inches
Semiconductor Material
Silicon
Voltage Rating In Volts Per Characteristic
4.1 breakdown voltage, dc
Current Rating Per Characteristic
12400.00 milliamperes repetitive peak forward current
Power Rating Per Characteristic
50.0 watts small-signal input power, common-collector preset
Maximum Operating Tempurature Per Measurement Point
150.0 degrees celsius case
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.).
Thread Series Designator
Unf
Terminal Type And Quantity
1 threaded stud and 1 tab, solder lug
Specification Data
81349-mil-s-19500/358 government specification
NSN
5961-00-378-0536
Part Number
1N4549B
Description
Semiconductor Device,diode
CAGE
80131

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 1N4549B NSN 5961-00-378-0536

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:
U
ESD:
B
ESD:
B
MMAC:
EH
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:
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: 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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