T81N5D312-05

Series:	T81
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Relay Type:	Telecom
Coil Type:	Non Latching
Coil Current:	90.9mA
Coil Voltage:	5VDC
Contact Form:	SPDT (1 Form C)
Contact Rating (Current):	1A
Switching Voltage:	125VAC, 60VDC - Max
Turn On Voltage (Max):	3.5 VDC
Turn Off Voltage (Min):	0.25 VDC
Operate Time:	5ms
Release Time:	7ms
Features:	--
Mounting Type:	Through Hole
Termination Style:	PC Pin
Operating Temperature:	-30°C ~ 60°C
Contact Material:	Silver Palladium (AgPd), Gold (Au)
Coil Power:	450 mW
Coil Resistance:	55 Ohms

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Introduction

Signal relays, up to 2 amps, are electrically operated switch usually used to bridge circuits invisibly. The relay still remains the most popular industry standardized method for switching AC or DC coils, allowing electrical control of large devices through small signals. For example, T81N5D312-05 is a high-performance signal relays generated by TE Connectivity, a global leader in connectivity and sensor solutions.

Application Field

The T81N5D312-05 is a miniaturized signal relay targeting at high frequency switching (up to 2A) with a DC coil voltage and a switching capacity of 0.1A to 2A. It requires no external components that provides excellent contact reliability, long service life and superior electrical insulation among other features. Its low power consumption packaged in a slim, compact design ensures a long service life and energy efficiency.This makes the T81N5D312-05 a great choice for a variety of switching applications across different industries.It could be specifically used in spaces in which size and weight are critical factors, such as lighting system, consumer electronics, telecommunication systems, security & alarm systems, automotive systems, military or aerospace product etc.

Working Principle

The T81N5D312-05 works with resistance-based switching, which relies on the presence of current in order to activate the circuit. When power is applied to the coil, it generates a magnetic field that causes an armature connected to the switch contacts to move and bridge the circuit. By turning the power to the coil off, the armature will return to its starting position, breaking the circuit. When the amount of pulse is between 0.1A and 2A, the signal relays will sense the pulse and act according to its internal programming. In this way, the signal relay is able to control the switching of a single or multiple circuits with a small signal, allowing it to go undetected by the user.

Conclusion

T81N5D312-05 signal relays are the ideal choice for high frequency switch applications requiring reliability that can withstand extreme conditions. The resistance-based switching, combined with the slim and compact design, yields a long life span for a wide range of different industries. This product is quickly becoming a preferred choice for switching applications due to its superior performance and reliability.

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