Toshiba’s New Photorelays Contribute to Equipment Downsizing by Reducing Mounting Density
Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has launched three photorelays: “TLP3407SRA,” “TLP3475SRHA” and “TLP3412SRHA,” that are the industry-smallest voltage driven photorelays with an extended operating temperature rating of 125°C.
This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20200826005815/en/
Toshiba: new photorelay TLP3407SRA in S-VSON4T package with industry's smallest mounting area. (Photo: Business Wire)
Raising the maximum operating temperature rating from 110°C to 125°C allows the photorelays to be mounted in high temperature areas, and makes it easier to secure required temperature design margins for equipment. The S-VSON4T package has the industry-smallest mounting area of 2.9mm² .This will contribute to reducing PCB size or to increasing the number of photorelays in an existing layout in applications such as semiconductor testers, probe cards and other devices.
- Semiconductor testers (memory, SoC and LSI, etc.)
- Probe cards
- Burn-in equipment
- Measuring instruments (oscilloscope, data logger, etc.)
- S-VSON4T, the industry’s first packaging with a minimal mounting area and maximum operating temperature of 125°C: Mounting area 2.9mm2 (typ.)
- Low input power consumption drive: 3.3mW (max) @VIN=3.3V (TLP3407SRA)
Size typ. (mm)
VIN typ. (V)
Built-in resistance typ. (Ω)
terminal voltage VOFF (V)
ON-state current ION (A)
ON-state current (pulsed)
-40 to 125
Limited LED current
ILIM(LED) max (mA)
Trigger LED current
IFT max (mA)
VFON max (V)
RON max (Ω)
COFF typ. (pF)
IOFF max (nA)
tON max (ms)
tOFF max (ms)
BVS min (Vrms)
Sample Check & Availability
 For photorelays where maximum operating temperature rating is 125°C, according to a survey by Toshiba (as of August 25, 2020).
 Applied input forward voltage × maximum limited LED current=3.3V×1mA
Follow the link below for more on the new photocouplers.
Follow the link below for more on Toshiba’s photorelay lineup.
To check availability of the new products at online distributors, visit:
Optoelectronic Device Sales & Marketing Dept.
* Company names, product names, and service names may be trademarks of their respective companies.
* Information in this document, including product prices and specifications, content of services and contact information, is current on the date of the announcement but is subject to change without prior notice.
About Toshiba Electronic Devices & Storage Corporation
Toshiba Electronic Devices & Storage Corporation combines the vigor of a new company with the wisdom of experience. Since becoming an independent company in July 2017, the company has taken its place among the leading general devices companies, and offers its customers and business partners outstanding solutions in discrete semiconductors, system LSIs and HDD.
Its 24,000 employees around the world share a determination to maximize the value of its products, and emphasize close collaboration with customers to promote co-creation of value and new markets. The company looks forward to building on annual sales now surpassing 750-billion yen (US$6.8 billion) and to contributing to a better future for people everywhere.
Find out more about Toshiba Electronic Devices & Storage Corporation at https://toshiba.semicon-storage.com/ap-en/top.html
Toshiba Electronic Devices & Storage Corporation
Digital Marketing Department
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