Model: HE721A520

Reed Relay

Special Features:

Electrostatic shield

Properties:

Overall Length
0.750 inches
Overall Height
0.290 inches
Overall Width
0.260 inches
Case Material
Metal
Environmental Protection
Hermetic
Fragility Factor
Moderately rugged
Winding Quantity
1
Purpose For Which Designed
General
Coil Quantity
1
Winding Dc Resistance Rating
500.0 ohms single winding
Duty Type
Continuous
Mounting Facility Type And Quantity
1 plug-in terminal single mounting facility
Storage Type
General purpose warehouse
Cubic Measure
0.057 cubic inches
Nonpile-up Main Contact Arrangement
1 pole, single throw, normally open, momentary action
Operating Current Rating And Type
10.0 milliamperes dc single winding
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
200.0 dc
Terminal Type And Quantity
4 pin all functions
NSN
5945-01-530-4431
Part Number
HE721A520
Description
Relay,reed
CAGE
12617

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 HE721A520 NSN 5945-01-530-4431

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:
A
ESD:
A
MMAC:
CRITL:
X

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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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