J422DDM4-26M datasheet, PDF - EEWORLD Datasheet

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J422DDM4-26M: DescriptionRF Relay, DPDT, Latched, 0.014A (Coil), 26.5VDC (Coil), 290mW (Coil), 1A (Contact), 28VDC (Contact), DC Input, AC/DC Output, Through Hole-Straight Mount; CategoryMechanical and electronic products relay; File Size867KB，8 Pages; ManufacturerTeledyne Technologies Incorporated; Websitehttp://www.teledyne.com/

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J422DDM4-26M Overview

RF Relay, DPDT, Latched, 0.014A (Coil), 26.5VDC (Coil), 290mW (Coil), 1A (Contact), 28VDC (Contact), DC Input, AC/DC Output, Through Hole-Straight Mount

J422DDM4-26M Parametric

Parameter Name	Attribute value
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	WITH INTERNAL DIODE
body height	7.11 mm
Body length or diameter	9.4 mm
Maximum coil current (DC)	0.014 A
Coil operating voltage (DC)	19 V
Coil power	290 mW
Coil release voltage (DC)	19 V
Coil resistance	2000 Ω
Maximum coil voltage (DC)	26.5 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
Maximum contact voltage (AC)	115 V
Maximum contact voltage (DC)	28 V
Contact/Output Power Type	AC/DC
Electrical life	100000 Cycle(s)
Manufacturer's serial number	422
Installation features	THROUGH HOLE-STRAIGHT MOUNT
operating hours	4 ms
Maximum operating temperature	125 °C
Minimum operating temperature	-65 °C
Relay action	LATCHED
Relay function	DPDT
Relay type	RF RELAY
seal	HERMETICALLY SEALED
surface mount	NO
switching time	4 ms
Termination type	SOLDER
Base Number Matches	1

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SERIES

MAGNETIC-LATCHING

ESTABLISHED RELIABILITY

TO-5 RELAYS

DPDT

SERIES

DESIGNATION

420/422

420D/422D

420DD/422DD

DPDT basic relay

DPDT relay with internal diode for coil transient suppression

DPDT relay with internal diodes for coil transient suppression and polarity

reversal protection

RELAY TYPE

420/422

ESTABLISHED RELIABILITY

DESCRIPTION

The Series 420D/422D and 420DD/422DD utilize discrete diodes for

coil suppression and polarity reversal protection.

By virtue of its inherently low intercontact capacitance and contact

circuit losses, these TO-5 relays have proven to be excellent

ultraminiature RF switches for frequency ranges well into the UHF

spectrum. A typical RF application for these TO-5 relays is in

handheld radio receivers, wherein the combined features of good RF

performance, small size, very low coil power dissipation and high

reliability make it a preferred method of transmit-receive switching

(see Figure 1).

The Series 420/422 magnetic-latching relays are ideally suited for

applications where power dissipation must be minimized. The relays

can be operated with a short duration pulse. After the contacts have

transferred, no external holding power is required.

The magnetic latching feature of the Series 420/422 relays provide

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

coil power.

The magnetic-latching 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 for

high-density PC board mounting, its small size and low coil power

dissipation make the 420 and 422 relays some 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 contacts material with gold plating assures

excellent high current and dry circuit switching capabilities.

PERMANENT MAGNET

MAGNETIC CIRCUIT A

SOFT IRON FRAME

PRINCIPLE OF OPERATION

MAGNETIC CIRCUIT B

Energizing Coil B produces a magnetic field

COIL A

COIL B

opposing the holding flux of the permanent magnet

SOFT IRON

in Circuit B. As this net holding force decreases, the

SOFT IRON

COIL A

COIL B

attractive force in the air gap of Circuit A, which also

AIR GAP

SOFT IRON

ARMATURE

results from the flux of the permanent magnet,

STATIONARY

CONTACT

becomes great enough to break the armature free

of Core B, and snap it into a closed position against

Core A. The armature then remains in this position

MOVING

CONTACT

upon removal of power from Coil B, but will snap

back into 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 magnetic neutral position.

ENVIRONMENTAL AND

PHYSICAL SPECIFICATIONS

Temperature

(Ambient)

Vibration

(General Note 1)

Shock

(General Note 1)

Acceleration

Enclosure

Weight

–65°C to +125°C

30 g’s to 3000 Hz

100 g’s,

6 msec, half-sine

50 g’s

Hermetically sealed

0.10 oz. (2.84g) max.

420 422 Page 62

420 422/1203/Q1

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE

www.teledynerelays.com

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