UT138FFG-6-TF3-R datasheet(2/6 Pages) UTC

2 / 6 page

UT138FF/FG

TRIAC

UNISONICTECHNOLOGIESCO.,LTD

2 of 6

www.unisonic.com.tw

QW-R401-020.C



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Repetitive Peak Off-State Voltages

UT138FF/FG-5

VDRM

500(Note2)

UT138FF/FG-6

600(Note2)

UT138FF/FG-8

800

RMS On-state Current

Full sine wave, THS ≤92C

IT(RMS)

Non-Repetitive Peak. On-State Current

Full sine wave, TJ =125C prior to surge, with

reapplied VDRM(MAX)

t =20 ms

ITSM

t =16.7 ms

100

2t For Fusing (t =10 ms)

Repetitive Rate of Rise of On-state Current

after Triggering

ITM=12 A, IG=0.2 A, dIG/dt=0.2A/µs

T2 + G+

dIT /dt

A/µs

T2 + G-

T2 - G-

T2 - G+

Peak Gate Voltage

VGM

Peak Gate Current

IGM

Peak Gate Power

PGM

Average Gate Power (Over any 20ms period)

PG(AV)

0.5

Operating Junction Temperature

125

°C

Storage Temperature

TSTG

-40 ~ +150

°C

Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

2. Although not recommended, off-state voltages up to 800V may be applied without damage, but the triac

may switch to the on-state. The rate of rise of current should not exceed 15A/µs.



THERMAL RESISTANCES

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

Thermal resistance Junction to Ambient

In Free Air

θJA

°C/W

Thermal resistance Junction to mounting

base

Full cycle

θJC

4.0

°C/W

Half cycle

5.5

°C/W



ISOLATION LIMITING VALUE & CHARACTERISTIC (THS =25C, unless otherwise specified)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

Repetitive peak voltage form all three terminals to external

heatsink (R.H.≤ 65%,clean and dustfree)

VISOL

1500

Capacitance from MT2 to external heatsink (f =1MHz)

CISOL



STATIC CHARACTERISTICS (TJ=25°C, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP

MAX

UNIT

UT138FF UT138FG

Gate Trigger Current

IGT

VD =12 V,IT =0.1A

T2 + G+

T2 + G-

T2 - G-

T2 - G+

100

Latching Current

VD =12 V,IGT =0.1A

T2 + G+

T2 + G-

T2 - G-

T2 - G+

Holding Current

VD =12 V,IGT =0.1A

On-State Voltage

IT =15 A

1.4

1.65

Gate Trigger Voltage

VGT

VD=12V, IT =0.1A

0.7

1.5

VD=400V, IT=0.1A, TJ=125°C

0.25 0.4

Off-State Leakage Current

VD=VDRM(MAX), TJ =125°C

0.1

0.5

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