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Toshiba releases high-current photorelays for factory automation

27th March 2018

Devices also suitable for other industrial applications and can replace mechanical relays

Toshiba Electronics Europe has today started to ship five new high-current photorelays in DIP4 and DIP6 packages. These additions to its portfolio of photorelays incorporate MOSFETs fabricated with the latest U-MOS VIII process.

There are a total of five new photorelays (TLP3543A, TLP3545A, TLP3546A, TLP3556A and TLP3558A). Together they offer multiple options, with an off-state output terminal voltage (VOFF) ranging from 30V to 200V and a steady on-state current (ION) from 0.7A to 5.0A – which is the industry’s highest rating in a DIP6 package. Designed for efficient operation RON values are as low as 20mΩ for the 30V version. When not in operation, the current draw (IOFF) is max. 1μA.

The new photorelays can replace 1-Form-A mechanical relays in various DC and AC applications, contributing to improved system reliability and reducing the space needed for relays and relay drivers. They deliver a rated operating temperature of 110°C (max), making it easier to accommodate temperature margins in system designs.

In addition, the new photorelays provide a rated transient/pulse on-state (IONP) current three times larger than the rated steady on-state current, contributing to design safety.

Designed primarily for rugged applications, the devices will be used for the replacement of mechanical relays in a wide range of factory automation and other industrial uses including industrial equipment, building automation, HVAC, semiconductor testing, ATE and security.

The latest Gartner market report recognizes Toshiba as the leading manufacturer of optocouplers by sales in 2015 and 2016, with 23% sales-based market share in CY2016. (Source: Gartner, Inc. “Market Share: Semiconductor Devices and Applications Worldwide 2016” 30 March 2017).

Toshiba Electronic Devices & Storage Corporation will continue to deliver products that meet the needs of customers by promoting the development of a diverse portfolio of photocouplers and photorelays tailored to market trends.

Main Specifications

(@Ta=25℃)

Pack-
age
Part
number
VOFF
[V]
ION
[A]
DC
IONP
[A]
Pulse
IFT
[mA]
RON
[mΩ] 
IOFF
[μA]
COFF
[pF]
tON
[ms]
tOFF
[ms]
BVS
[Vrms]
(min) (max) (max) (max) (typ.) (max) (max) (typ.) (max) (max) (min)
DIP6 TLP3543A 30 5 15 3 20 40 1 1100 5 0.5 2500
TLP3545A 60 4 12 3 35 60 1 640 5 0.5 2500
TLP3546A 100 3.5 10.5 3 50 80 1 450 5 0.5 2500
DIP4 TLP3556A 100 2 6 3 110 200 1 110 2 0.5 2500
TLP3558A 200 0.7 2.1 3 900 2000 1 110 1 0.5 2500

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·Before creating and producing designs and using, customers must also refer to and comply with the latest versions of all relevant TOSHIBA information and the instructions for the application that Product will be used with or for.