Toshiba Launches Voltage Driven Photorelay in Industry’s Smallest Package with Reduced Input Power Dissipation

- Helps to reduce equipment size and power consumption in test equipment applications

TOKYO — (BUSINESS WIRE) — September 25, 2019Toshiba 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.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20190925005297/en/

Toshiba: a new voltage driven photorelay “TLP3407SR” that delivers lower power dissipation and the industry's smallest mounting area. (Photo: Business Wire)

Toshiba: a new voltage driven photorelay “TLP3407SR” that delivers lower power dissipation and the industry's smallest mounting area. (Photo: Business Wire)

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.

Applications

  • Probe cards
  • Automatic semiconductor test equipment (ATE)
  • Logic and memory testers, etc.
  • Measuring instruments (Oscilloscope, data logger, etc.)

Features

  • Low input power dissipation: 3.3mW (max) @3.3V, ILIM(LED)=1mA (max)
  • Industry’s smallest[1] mounting area : 2.9mm2 (typ.)
  • Two input voltages adopted for the control signal: DC3.3V (typ.) and DC5V (typ.)

Main Specifications

(@Ta=25 ℃)

Part number

TLP3407SR

TLP3406SRH

[5]

TLP3406SRL

[5]

TLP3407SRH

[5]

TLP3407SRL

[5]

TLP3412SRH

[5]

Package

S-VSON4T

Absolute

maximum

ratings

OFF-state output terminal
voltage VOFF (V)

60

30

30

60

60

60

ON-state current ION (A)

1

1.5

1.5

1

1

0.4

ON-state current (pulsed)

IONP (A)

3

4.5

4.5

3

3

1.2

Recommended
operating
conditions

Applied input forward voltage

VIN (typ.) (V)

3.3

3.3

1.8

3.3

1.8

3.3

Electrical

characteristics

Limited LED current

ILIM(LED) max (mA)

@VIN

1
(@3.3 V)

Trigger LED current

I FT max (mA)

0.2

Operating voltage

V FON max (V)

3

3

1.6

3

1.6

3

ON-state resistance

R ON max (Ω)

0.3

0.2

0.2

0.3

0.3

1.5

Output capacitance

C OFF typ. (pF)

80

120

120

80

80

max 20

OFF-state current

I OFF max (nA)

@V OFF

1

(@50V)

1

(@20V)

1

(@20V)

1

(@50V)

1

(@50V)

1

(@50V)

Switching

characteristics

Turn-on time t ON max (ms)

20

2

2

2

1

0.5

Turn-off time t OFF max (ms)

1

0.2

0.2

0.2

0.2

0.2

Isolation

characteristic

Isolation voltage

BV S min (Vrms)

500

500

500

500

500

500

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