September 25, 2019
Toshiba Electronic Devices & Storage Corporation
- Helps to reduce equipment size and power consumption in test equipment applications
TOKYO—Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has started to ship “TLP3407SR,” a new voltage driven photorelay that delivers lower power dissipation and the industry’s smallest[1] mounting area.
TLP3407SR has a maximum limited LED current of 1mA at voltage input, a reduction to about one third of that of the earlier “TLP3407SRH.” With this, the new photorelay cuts maximum input power dissipation to 3.3mW[2], supporting lower power consumption by equipment such as probe cards, automatic semiconductor test equipment (ATE), semiconductor testers, and the boards of associated application.
When the input is a high voltage of 5V or more, the new photorelay can be driven by adding an external resistor in series, which allows designs with a maximum trigger LED reference current of 0.2mA. This approach realizes lower input current design in tester circuits.
The TLP3407SR’s small S-VSON4T[3] package has a mounting area of 2.9mm2, about 27% smaller than the current VSONR4[4] package and the industry’s smallest[1]. It supports size reductions in equipment like probe cards, or mounting of more photorelays.
(@Ta=25℃)
Note:
[1] For photorelay products; Toshiba survey, as of September 24, 2019.
[2] @ the time with 3.3V input
[3] S-VSON4T: 2.0×1.45mm (typ.)
[4] VSONR4: 2.75×1.45mm (typ.)
[5] Current products
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