Datasheet

UNISONIC TECHNOLOGIES CO., LTD
UBCR308
Preliminary
TRIAC
8A TRIAC

DESCRIPTION
The UTC UBCR308 is an 8A standard triac.
The UTC UBCR308 is suitable for use in inversion operation of
capacitor motor, washing machine and other general controlling
devices.

FEATURES
* IT(RMS): 8A
* VDRM: 700V
* IFGTI, IRGTI, IRGTⅢ: 30mA

SYMBOL

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UBCR308L-x-TA3-T
UBCR308G-x-TA3-T
UBCR308L-x-TF1-T
UBCR308G-x-TF1-T
UBCR308L-x-TF3-T
UBCR308G-x-TF3-T
Note: Pin Assignment: MT1: MT1 MT2: MT2 G: Gate
Package
TO-220
TO-220F1
TO-220F
Pin Assignment
1
2
3
MT1
MT2
G
MT1
MT2
G
MT1
MT2
G
Packing
Tube
Tube
Tube
UBCR308L-x-TA3-T

(1)Packing Type
(1) T: Tube
(2)Package Type
(2) TA3: TO-220, TF3: TO-220F, TF1: TO-220F1
(3)VDRM
(3) 7: 700V
(4)Green Package
(4) L: Lead Free, G: Halogen Free and Lead Free
MARKING
www.unisonic.com.tw
Copyright © 2016 Unisonic Technologies Co., Ltd
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UBCR308

Preliminary
TRIAC
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Repetitive Peak Off-State Voltage (Note)
VDRM
700
V
Non-Repetitive Peak Off-State Voltage (Note)
VDSM
840
V
On-State RMS Current (Commercial Frequency, Sine Full
IT(RMS)
8
A
Wave 360° Conduction, TC=88°C)
Surge On-State Current (60Hz Sinewave 1 Full Cycle, Peak
ITSM
80
A
Value, Non-Repetitive)
2
I t for Fusing (Value Corresponding to 1 Cycle of Half
I2 t
26
A2s
Wave 60Hz, Surge On-State Current)
Peak Gate Current
IGM
2
A
Peak Gate Power Dissipation
PGM
5
W
Average Gate Power Dissipation
PG(AV)
0.5
W
Peak Gate Voltage
VGM
10
V
Isolation Voltage (Note)
VISO
2000
V
Operating Junction Temperature
TJ
-40 ~ +125
°C
Storage Junction Temperature
TSTG
-40 ~ +125
°C
Note: 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.

THERMAL RESISTANCES
PARAMETER
SYMBOL
TO-220
Junction to Case
θJC
TO-220F1
TO-220F
The contact thermal resistance θCF in case of greasing is 0.5°C/W.

RATINGS
UNIT
°C/W
°C/W
°C/W
3.7
ELECTRICAL CHARACTERISTICS (TJ=25 °C, unless otherwise specified)
PARAMETER
Repetitive Peak Off-State Current
On-State Voltage
Gate Trigger Voltage (Note 2)
SYMBOL
TEST CONDITIONS
IDRM
TJ=125°C, VDRM Applied
TC=25°C, ITM=12A, Instantaneous
VTM
Measurement
T2+G+
TJ=25°C, VD=6V,
VGT
T2+GRL= 6Ω, RG=330Ω
T2-GT2+G+
Gate Trigger Current (Note 2)
IGT
TJ=25°C, VD=6V,
RL= 6Ω, RG=330Ω
T2+GT2-G-
MIN
TYP
MAX
2.0
UNIT
mA
1.6
V
1.5
1.5
1.5
30
V
V
V
(Note 4)
30
(Note 4)
30
(Note 4)
mA
mA
mA
Gate Non-Trigger Voltage
VGD
TJ=125°C, VD=1/2 VDRM
0.2
V
Critical Rate of Rise of Off-State
(dv/dt)c TJ=125°C
10
V/µs
commutation Voltage (Note 3)
Notes: 1. Gate open.
2. Measurement using the gate trigger characteristics measurement circuit.
3. Test conditions of the critical-rate of rise of off-state commutation voltage is shown in the table below.
4. High sensitivity (IGT≤20mA) is also available. (IGT item: 1)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R220-021.c
UBCR308

Preliminary
TRIAC
COMMUTATING VOLTAGE AND CURRENT WAVEFORMS (INDUCTIVE LOAD)
Test conditions: 1. Junction temperature: TJ=125°C
2. Rate of decay of on-state commutating current: (di/dt)c=-4.0A/ms
3. Peak off-state voltage: VD=400V

TEST CIRCUITS
6Ω
A
6V
V
330Ω
Test Procedure III
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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