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ER412DDM-18A/Q

Description
Electromechanical Relay, DPDT, Latched, 24VDC (Coil), 1A (Contact), 28VDC (Contact), Random, AC/DC Output
CategoryMechanical and electronic products    relay   
File Size136KB,6 Pages
ManufacturerTeledyne Technologies Incorporated
Websitehttp://www.teledyne.com/
Download Datasheet Parametric View All

ER412DDM-18A/Q Overview

Electromechanical Relay, DPDT, Latched, 24VDC (Coil), 1A (Contact), 28VDC (Contact), Random, AC/DC Output

ER412DDM-18A/Q Parametric

Parameter NameAttribute value
Reach Compliance Codecompliant
body height9.86 mm
Body length or diameter9.4 mm
Coil operating voltage (DC)14.5 V
Coil release voltage (DC)1.1 V
Coil resistance880 Ω
Maximum coil voltage (DC)24 V
Nominal coil voltage18 V
Coil/Input Power TypeDC
Contact (AC) maximum rated R load0.25A@115VAC
Maximum contact current (AC)0.25 A
Maximum contact current (DC)1 A
Contact (DC) maximum rated R load1A@28VDC
Contact resistance125 mΩ
Maximum contact voltage (AC)115 V
Maximum contact voltage (DC)28 V
Contact/Output Power TypeAC/DC
Electrical life100000 Cycle(s)
Input switching control typeRandom
Insulation resistance10000000000 Ω
Number of terminals9
operating hours2 ms
Maximum operating temperature125 °C
Minimum operating temperature-65 °C
physical size9.4mm x 9.86mm
Relay actionLATCHED
Relay style2 FORM C
Relay functionDPDT
release time4 ms
sealHERMETICAL
Terminal length0.0094 inch
Termination typeSOLDER
weight2.77 g
Base Number Matches1
SERIES
ESTABLISHED RELIABILITY
TO-5 RELAYS
DPDT
412
ESTABLISHED RELIABILITY
SERIES
DESIGNATION
412
412D
412DD
412T
DPDT basic relay
RELAY TYPE
DPDT relay with internal diode for coil suppression
DPDT relay with internal diodes for coil transient suppression and polarity
reversal protection
DPDT relay with internal transistor driver and coil transient suppression
diode
INTERNAL CONSTRUCTION
UNI-FRAME
UPPER
STATIONARY
CONTACT
DESCRIPTION
The TO-5 relay, originally conceived and developed by Teledyne, has become
one of the industry standards for low-level switching from dry circuit to 1
ampere. Designed expressly for high-density PC board mounting, its small size
and low coil power dissipation make the 412 relay one of the most versatile
ultraminiature relays available.
The following unique construction features and manufacturing techniques
provide excellent resistance to environmental extremes and overall high
reliability.
• All welded construction.
• Unique uni-frame design, providing high magnetic efficiency and
mechanical rigidity.
• High force/mass ratios for resistance to shock and vibration.
• Advanced cleaning techniques provide maximum assurance of internal
cleanliness.
• Precious metal alloy contact material with gold plating assures excellent
high current and dry circuit switching capabilities.
The Series 412D and 412DD relays have internal discrete silicon diodes for
coil suppression and polarity reversal protection. The hybrid 412T relay
features an internal silicon suppression diode and transistor driver. This hybrid
package reduces required PC board floor space by reducing the number of
external components needed to drive the relay.
By virtue of its inherently low intercontact capacitance and contact circuit
losses, the 412 relay has proven to be an excellent ultraminiature RF switch
for frequency ranges well into the UHF spectrum. A typical RF application for
the TO-5 relay is in handheld radio transceivers, wherein the combined
features of good RF performance, small size, low coil power dissipation and
high reliability make it a preferred method of T-R switching (see Figure 1).
ARMATURE
LOWER
STATIONARY
CONTACT
MOVING
CONTACT
ENVIRONMENTAL AND
PHYSICAL SPECIFICATIONS
Temperature
(Ambient)
Vibration
(General Note 1)
Shock
(General Note 1)
Acceleration
Enclosure
Weight
©2003 TELEDYNE RELAYS
–65°C to +125°C
30 g’s to 3000 Hz
75 g’s,
6 msec, half-sine
50 g’s
Hermetically sealed
0.09 oz. (2.55g) max.
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
www.teledynerelays.com
412 Page
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412/1203/Q1
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