122CXM9-18/SQ datasheet, PDF - EEWORLD Datasheet

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122CXM9-18/SQ: DescriptionRF Relay, 2 Form C, DPDT, Latched, 0.018A (Coil), 18VDC (Coil), 286mW (Coil), 1A (Contact), 28VDC (Contact), DC Input, Random, AC/DC Output, Through Hole-Straight Mount; CategoryMechanical and electronic products relay; File Size269KB，6 Pages; ManufacturerTeledyne Technologies Incorporated; Websitehttp://www.teledyne.com/

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122CXM9-18/SQ Overview

RF Relay, 2 Form C, DPDT, Latched, 0.018A (Coil), 18VDC (Coil), 286mW (Coil), 1A (Contact), 28VDC (Contact), DC Input, Random, AC/DC Output, Through Hole-Straight Mount

122CXM9-18/SQ Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Reach Compliance Code	compliant
ECCN code	EAR99
Is Samacsys	N
Other features	WITH INTERNAL POWER MOSFET AND DIODE
body width	8.51 mm
body height	7.49 mm
Body length or diameter	11.05 mm
Maximum coil current (DC)	0.018 A
Coil operating voltage (DC)	13.5 V
Coil power	286 mW
Coil release voltage (DC)	13.5 V
Maximum coil voltage (DC)	18 V
Nominal coil voltage	18 V
Coil/Input Power Type	DC
Contact (AC) maximum rated R load	.25A@115VAC
Maximum contact current (AC)	0.25 A
Maximum contact current (DC)	1 A
Contact (DC) maximum rated R load	1A@28VDC
Contact resistance	135 mΩ
Maximum contact voltage (AC)	115 V
Maximum contact voltage (DC)	28 V
Contact/Output Power Type	AC/DC
Electrical life	100000 Cycle(s)
Input switching control type	Random
Insulation resistance	10000000000 Ω
JESD-609 code	e0
Manufacturer's serial number	122C
Installation features	THROUGH HOLE-STRAIGHT MOUNT
Number of terminals	11
operating hours	3.5 ms
Maximum operating temperature	85 °C
Minimum operating temperature	-55 °C
physical size	11.05mm X 8.51mm X 7.49mm
Relay action	LATCHED
Relay style	2 FORM C
Relay function	DPDT
Relay type	RF RELAY
seal	HERMETICALLY SEALED
surface mount	NO
switching time	3.5 ms
Terminal surface	Tin/Lead (Sn60Pb40)
Terminal length	0.0047 inch
Termination type	SOLDER
weight	3 g
Base Number Matches	1

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CENTIGRID

MAGNETIC-LATCHING

COMMERCIAL RELAYS

DPDT

CMOS COMPATIBLE

SERIES

DESIGNATION

122C

RELAY TYPE

DPDT general-purpose magnetic-latching relay with internal power

MOSFET driver and diode coil transient suppression

SERIES

122C

DESCRIPTION

The 122C Centigrid

magnetic-latching relay is an ultraminiature,

hermetically sealed, armature relay capable of being directly driven

by most IC logic families. Its low profile height and .100” grid spaced

terminals, which precludes the need for spreader pads, make it ideal

for applications where extreme packaging density and/or close PC

board spacing are required.

The basic operating function and internal structure are similar to

Teledyne’s TO-5, 422 relay series. The 122C is capable of meeting

Teledyne Relays’ T

requirements. The following unique

construction features and manufacturing techniques provide overall

high reliability and excellent resistance to environmental extremes:

• All welded construction.

• Unique uni-frame design providing high magnetic efficiency and

mechanical rigidity.

• High force/mass ratios to withstand 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 122C relay has internal silicon diodes for coil

suppression, Zener diodes to protect the MOSFET gate inputs, and

N-channel enhancement-mode MOSFET chips, which enable direct

relay interfacing with most microprocessor and IC logic families

(CMOS, TTL and MOS).

The 122C magnetic-latching relay is ideally suited for applications

where coil operating power must be minimized. The relays can be

operated with a short-duration pulse. After the contacts have

transferred, no external coil power is required.

The magnetic-latching feature of the Series 122C relay provides a

“memory” capability, since the relays will not reset upon removal of

coil power.

By virtue of its inherently low intercontact capacitance and contact

circuit losses, the 122C relay has proven to be an excellent

ultraminiature RF switch for frequency ranges well into the UHF

spectrum. A typical RF application for this Centigrid

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 transmit-receive switching

(see Figure 1).

CENTIGRID

AND TO-5

PRINCIPLE OF OPERATION

PERMANENT MAGNET

MAGNETIC CIRCUIT B

MAGNETIC CIRCUIT A

SOFT IRON CORE A

SOFT IRON FRAME

Energizing Coil B produces a magnetic field

COIL A

COIL B

opposing the holding flux of the permanent

magnet in Circuit B. As this net holding force

decreases, the attractive force in the air gap of

AIR GAP

STATIONARY

Circuit A, which also results from the flux of the

CONTACT

permanent magnet, becomes great enough to

break the armature free of Core B, and snap it

SOFT IRON

MOVING

ARMATURE

CONTACT

into a closed position against Core A. The

armature then remains in this position upon removal of energy from Coil B, but will snap

back to position B upon energizing Coil A. Since operation depends upon cancellation

of a magnetic field, it is necessary to apply the correct polarity to the relay coils as

indicated on the relay schematic. When latching relays are installed in equipment, the

latch and reset coils should not be pulsed simultaneously. Coils should not be pulsed

with less than rated coil voltage and the pulse width should be a minimum of three times

the specified operate time of the relay. If these conditions are not followed, it is possible

for the relay to be in the magnetically neutral position.

ENVIRONMENTAL AND

PHYSICAL SPECIFICATIONS

–65°C to +125°C

Temperature Storage

(Ambient)

Operating

–55°C to +85°C

Vibration

(General Note 1)

Shock

(General Note 1)

Acceleration

Enclosure

Weight

30 g’s to 3000 Hz

100 g’s,

6 msec, half-sine

50 g’s

Hermetically sealed

0.10 oz. (2.75g) max.

122C Page

122C/1203/Q1

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE

www.teledynerelays.com

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