Model: 1R20B

Diode Semiconductor Device

Properties:

Inclosure Material
Glass
Overall Length
Between 0.195 inches and 0.350 inches
Terminal Length
1.000 inches
Overall Diameter
Between 0.215 inches and 0.265 inches
Electrode Internally-electrically Connected To Case
Cathode
Mounting Method
Terminal
Features Provided
Hermetically sealed case
Semiconductor Material
Silicon
Voltage Rating In Volts Per Characteristic
20.0 regulator voltage
Voltage Tolerance In Percent
-5.0/+5.0
Current Rating Per Characteristic
12.50 milliamperes all primaries horsepower metric and 47.00 milliamperes repetitive peak forward current
Power Rating Per Characteristic
1.0 watts small-signal input power, common-collector preset
Maximum Operating Tempurature Per Measurement Point
175.0 degrees celsius ambient air
Test Data Document
81349-mil-prf-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
2 uninsulated wire lead
Specification Data
81349-mil-prf-19500/115 government specification
NSN
5961-00-849-4186
Part Number
1R20B
Description
Semiconductor Device,diode
CAGE
21845

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 1R20B NSN 5961-00-849-4186

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:
A
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:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
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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