Model: BC-821A-4

Reed Relay

Properties:

Overall Length
0.770 inches
Overall Height
0.290 inches
Overall Width
0.300 inches
Case Material
Plastic
Fragility Factor
Moderately rugged
Winding Quantity
1
Purpose For Which Designed
General
Coil Quantity
1
Winding Dc Resistance Rating
450.0 ohms single winding
Duty Type
Continuous
Mounting Facility Type And Quantity
1 printed circuit terminal single mounting facility
Storage Type
General purpose warehouse
Features Provided
Polarized and electrostatic shield and coil voltage suppression
Cubic Measure
0.101 cubic inches
Nonpile-up Main Contact Arrangement
1 pole, single throw, normally open, momentary action
Operating Voltage Rating And Type At Specificationified Temp
5.0 volts dc 25 degrees celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage
500.0 milliamperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
100.0 dc
Test Data Document
81349-mil-r-83516 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
1 pin ground
Terminal Type And Quantity
9 pin dummy
Terminal Type And Quantity
4 pin energizing element and contacts
Specification Data
81349-mil-r-83516/4 government specification
NSN
5945-01-216-0877
Part Number
BC-821A-4
Description
Relay,reed
CAGE
56623

A relay consisting of an energizing coil and a metallic reed switch mechanism. The reeds serve as both core and contacts, which are not hinged or pivoted and which move by flexure when acted upon by a magnetic field induced by energization of the coil. It may also include a biasing magnet. The biasing magnet, either aids or opposes the movement of the reeds and the opening or closing of the contacts. For items in which actuation is dependent on the resonant frequency of the reeds see relay, resonant reed. Excludes relay, electromagnetic.

Part BC-821A-4 NSN 5945-01-216-0877

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30544
FIIG:
A03300
Concept No.:
1
App. Key:
C
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:
ESD:
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:
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:
061300
UFC:
34410
LTL:
77.5
LCL:
77.5
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536410020
  • SITC: 77254
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Relays, electromechanical, with contacts rated less than 10 a, for a voltage not exceeding 60 v

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