3SBC2005A2

Series:	Military, MIL-R-39016/13, 3SBC, CII
Packaging:	Bulk
Part Status:	Active
Relay Type:	General Purpose
Coil Type:	Non Latching
Coil Current:	19.6mA
Coil Voltage:	26.5VDC
Contact Form:	DPDT (2 Form C)
Contact Rating (Current):	2A
Switching Voltage:	115VAC, 28VDC - Max
Turn On Voltage (Max):	--
Turn Off Voltage (Min):	--
Operate Time:	4ms
Release Time:	4ms
Features:	Sealed - Hermetically
Mounting Type:	Chassis Mount
Termination Style:	Solder Hook
Operating Temperature:	-65°C ~ 125°C
Contact Material:	--
Coil Power:	520 mW
Coil Resistance:	1.35 kOhms

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Signal Relays, Up to 2 Amps - 3SBC2005A2 Application Field and Working Principle

Signal relays are widely used in electrical and electronic systems, with the 3SBC2005A2 being one of the most reliable ones on the market. With an operational rating of up to 2amps and a wide variety of contact arrangement options, it is the go-to signal relay for many applications. In this article, we’ll look briefly at the 3SBC2005A2’s application field and its working principle.The 3SBC2005A2 is designed for use in low-level switch signaling and interlocking circuits. This makes it suitable for applications where the continuous current load is not more than 2amps. It’s most suitable for circuits where low inrush currents, low holding current ratings, DC switching, or both may be required in order to maintain the circuit’s performance and extend its service life. As a note, however, its continuous-current ratings do not guarantee a continuous coil current.The 3SBC2005A2 is primarily designed to be used with light-duty switching duties. It is capable of handling a surge load of up to 5amps, making it suitable for automobile and other critical applications, where accurate switching must be done in varied operating conditions.The 3SBC2005A2 features a glass-encapsulated coil to protect it from damage that could be sustained in hostile environments. The coil is designed to be withstand high temperatures and levels of vibration. This makes it especially suitable for applications requiring continuous-duty cycles, without experiencing extreme temperature and vibration resistant conditions. The 3SBC2005A2’s contact arrangement options consist of two single-pole, single-throw (SPST) sets (normally open and normally closed), two double-pole, double-throw (DPDT) sets (both normally open and normally closed), one normally open, one normally closed, and one inverted normally open DPST. The 3SBC2005A2 follows the magnetic latching principle. Where magnetic latching is used, current is applied to an electromagnet coil in order to move the contact elements on the switch. When power is removed, a self-sustaining contact configuration is established, which holds the contact elements in their current positions. This is the primary reason why relays that use magnetic latching are so reliable. The 3SBC2005A2 uses a bidirectional protection (BP) to ensure safe operation in the event of an overload or short-circuiting. This consists of a redundant bidirectional fuse built into the relay’s housing. If an overload occurs, the fuse will trip and the relay will never fail, ensuring reliable operation.Finally, the 3SBC2005A2 is capable of operating up to 2amps and working within the standard range of DC and AC voltage levels. Its working environment temperature range is between -40℃ to +125℃. With its high performance and reliability, it’s the ideal choice for many applications.In conclusion, the 3SBC2005A2 signal relay is a reliable, robust, and relatively low cost signal relay that is suitable for applications requiring a low current rating and a wide variety of contact configurations. With its dual protection mechanisms, wide temperature range, and wide voltage range, the 3SBC2005A2 is a high-performance, reliable relay.

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