SparkFun Electronics - Relay SPDT Sealed

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Product Info

Relay SPDT Sealed - Breadboard Mountable

sku: COM-00100

Description: These are high quality Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current devices.

This relay's coil is rated up to 12V, with a minimum switching voltage of 5V. The contacts are rated up to 30A (@250VAC, 30VDC).

Features:

5V DC SPDT Relay
Rated up to 5A
Fully Sealed
Can be mounted directly into breadboard - 300mil spacing!

Documents:

Datasheet

Pricing

	926 in stock

$1.95	price
$1.76	10-99 (10% off)
$1.56	100+ (20% off)

	quantity

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Comments

3 comments

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	by ARMinator +6.6 \| February 19, 2009 at 6:59 AM +0.48
Any plans to get 3V DC coil relays, like the G6RL from the same company? Most of the microcontrollers now run at 3.3V and it's always a pain to interface with 5V...

	by onash +2.4 \| May 29, 2009 at 5:25 AM 0
I completely agree with ARMinator. It would be VERY useful to have the 3V version of this relay. Very much hope you start selling it.

sonictj

+2.1

| November 8, 2009 at 5:59 PM

I may be wrong since I've never used relays before, but if you look at the datasheet the amperage required to turn on the relay goes up with lower voltage. for 5v the current is 80ma and would be likely as much as 100ma for a 3.3v relay. That much current will fry most any microcontroller pins, especially low power 3.3v devices. You need to use a transistor or mosfet to source enough current. The voltage on the relay input is then pretty immaterial.