OT391 datasheet(1/4 Pages) SUNTAC

Part #	OT391

Description	SENSITIVE GATE SILICON CONTROLLED RECTIFIER

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Manufacturer	SUNTAC [Suntac Electronic Corp.]

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December, 2000 – Rev. 0

1

Publication Order Number:

NCR169D/D

NCR169D

Advance Information

General Purpose

Sensitive Gate

Silicon Controlled Rectifier

Reverse Blocking Thyristor

PNPN device designed for line-powered general purpose

applications such as relay and lamp drivers, small motor controls, gate

drivers for larger thyristors, and sensing and detection circuits.

Supplied in a cost effective plastic TO-92 package.

• Sensitive Gate Allows Direct Triggering by Microcontrollers and

Other Logic Circuits

• On–State Current Rating of 0.8 Amperes RMS at 80°C

• Surge Current Capability – 10 Amperes

• Immunity to dV/dt – 20 V/µsec Minimum at 110°C

• Glass-Passivated Surface for Reliability and Uniformity

• Blocking Voltage to 600 Volts

MAXIMUM RATINGS (TJ = 25°C unless otherwise noted)

Rating

Symbol

Value

Unit

Peak Repetitive Off–State Voltage (Note 1.)

(TJ = *40 to 110°C, Sine Wave, 50 to

60 Hz; Gate Open)

VDRM,

VRRM

600

Volts

On-State RMS Current

(TC = 80°C) 180° Conduction Angles

IT(RMS)

0.8

Amp

Peak Non-Repetitive Surge Current

(1/2 Cycle, Sine Wave, 60 Hz,

TJ = 25°C)

ITSM

10

Amps

Circuit Fusing Consideration (t = 10 ms)

I2t

0.415

A2s

Forward Peak Gate Power

(TA = 25°C, Pulse Width v 1.0

µs)

PGM

0.1

Watt

Forward Average Gate Power

(TA = 25°C, t = 20 ms)

PG(AV)

0.

10

Watt

Forward Peak Gate Current

(TA = 25°C, Pulse Width v 1.0

µs)

IGM

1.

0

Amp

Reverse Peak Gate Voltage

(TA = 25°C, Pulse Width v 1.0

µs)

VGRM

5.0

Volts

Operating Junction Temperature Range

@ Rate VRRM and VDRM

TJ

–40 to

110

°C

Storage Temperature Range

Tstg

–40 to

150

°C

SCR

0.8 AMPERES RMS

600 VOLTS

4

(1) VDRM and VRRM for all types can be applied on a continuous basis. Ratings

apply for zero or negative gate voltage; however, positive gate voltage shall

not be applied concurrent with negative potential on the anode. Blocking

voltages shall not be tested with a constant source such that the voltage

ratings of the devices are exceeded.

A

STC OT391

TO−92 (TO−226)

CASE 029

STYLE 10

3

2

1

PIN ASSIGNMENT

1

2

3

Gate

Anode

Cathode

K

G

A

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