TOKYO— Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has launched two new photorelays "TLP170AM" and "TLP170GM" in a small 4-pin SO6 package, for security systems, building automation and other industrial equipment.

The new products feature a maximum trigger LED current of 1mA, which reduces input side power loss by increasing the sensitivity of the photodiode array. Using these photorelays for ON/OFF control in battery-powered security devices and various sensors contributes to lower power consumption and longer operation of devices.

TLP170AM has a rated OFF-state output terminal voltage of 60V and a constant ON-state current (ION) of 0.7A, with pulse operation of up to 2.1A. The TLP170GM is a 350V version with an ION of 110mA constant current and 330mA pulse operation.

The 4-pin SO6 package enables a minimum isolation voltage of 3750Vrms, allowing the devices to be used in equipment requiring high insulation performance.

Applications

 
  • Security systems
    Passive sensor (PIR[1]), etc.
  • Industrial equipment
    Programmable logic controllers, I/O interfaces, various sensor controls, etc.
  • Building automation systems
  • Replacement of mechanical relays

Features

 
  • Low trigger LED current: IFT=1mA (max)
  • Small package: 4-pin SO6
  • High isolation voltage: BVs=3750Vrms (min)

Main Specifications

(@Ta=25°C)

Part

number

Package

Absolute maximum ratings

Trigger LED current

IFT

max

(mA)

ON-state resistance

RON

(Ω)

Turn-on time

tON

max

(ms)

Turn-off time

tOFF

max

(ms)

Isolation voltage

BVS

min

(Vrms)

Sample Check & Availability

OFF-state output terminal voltage

VOFF

(V)

ON-state

current

ION

(mA)

ON-state current (pulsed)

IONP

(A)

Operating temperature

Topr

(℃)

typ.

max

TLP170AM

4-pin
SO6

60

700

2.1

-40 to 85

1

0.15

0.3

6

1

3750

TLP170GM

350

110

0.33

28

50

1

Note:
[1] PIR (Passive Infrared Ray): Sensors that detect human proximity through changes in ambient infrared radiation



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