ST T8T User Manual

T8T

Snubberless™, logic level and standard 8 A Triacs

Features

■ Medium current Triac

■ High static and dynamic commutation

■ Low thermal resistance with clip bonding

■ Packages is RoHS (2002/95/EC) compliant

■ 600 V V

■

UL certified (ref. file E81734)

RM

Applications

■ Value sensitive application

■ General purpose ac line load switching

■ Motor control circuits in power tools

■ Small home appliances, lighting

■ Inrush current limiting circuits

■ Overvoltage crowbar protection

Description

Available in through-hole, the T8T series of Triacs can be used as on/off or phase angle control function in general purpose ac switching where high commutation capability is required.

A2

G

A1

A2

G

TO-220AB insulated

(T8xxT-6I)

Table 1. Device summary

Order code Symbol Value

3Q

I

T810T-6I

T820T-6I T835T-6I

T825T-6I

GT

logic level

3Q

I

GT

Snubberless

4Q

I

GT

standard

20 / 35 mA

10 mA

25 mA

This series can be designed-in in many value sensitive appliances thanks to the parameters guidance provided in the following pages.

Provides insulation rated at 2500 V rms (TO-220AB insulated package).

TM: Snubberless is a trademark of STMicroelectronics

September 2011 Doc ID 16192 Rev 3 1/9

www.st.com

9

Characteristics T8T

1 Characteristics

Table 2. Absolute ratings (limiting values; Tj = 25 °C, unless otherwise specified)

Symbol Parameter Value Unit

I

T(RMS)

I

dI/dt

V

DSM

V

I

P

G(AV)

T

On-state rms current (full sine wave) Tc = 97 °C 8 A

Non repetitive surge peak on-state current

TSM

(full cycle, Tj initial = 25 °C)

²

tI²t Value for fusing tp = 10 ms 26 A²s

I

Critical rate of rise of on-state current I

= 2 x IGT

G

tr ≤ 100 ns

/

Non repetitive surge peak off-state voltage

RSM

Peak gate current tp = 20 µs Tj = 125 °C 4 A

GM

F = 50 Hz t

F = 60 Hz t

F = 60 Hz T

= 10 ms Tj = 25 °C

t

p

= 20 ms 60

p

= 16.7 ms 63

p

= 125 °C 50 A/µs

j

V

DRM/VRRM

+ 100

Average gate power dissipation Tj = 125 °C 1 W

Storage junction temperature range - 40 to + 150 °C

stg

Operating junction temperature range - 40 to + 125 °C

T

j

A

V

2/9 Doc ID 16192 Rev 3

T8T Characteristics

Table 3. Electrical characteristics (Tj = 25 °C, unless otherwise specified)

T8xxT

Symbol Test conditions Quadrant

T810T T820T T825T T835T

I

GT

V

I

H

(1)

VD = 12 V, RL = 30 Ω

I - II - III

MAX.

IV 40

VD = V

GT

Tj = 25 °C

VD = V

GD

(2)

= 125 °C

T

j

IT = 500 mA MAX. 15 25 30 40 mA

, RL = 30 Ω,

DRM

, RL = 3.3 kΩ,

DRM

ALL MAX. 1.3 V

ALL MIN. 0.2 V

I - III

IG = 1.2 I

I

L

GT

MAX.

10 20 25 35

20 35 40 50

II 25 40 70 70

dV/dt

(di/dt)c

(2)

VD = 67% V

DRM,

gate open

Tj = 125 °C

= 150 °C

T

j

(3)

MIN.

(dV/dt)c = 0.1 V/µs

(dV/dt)c = 10 V/µs 2 4.5

Without snubber 3.4 8

(2)

(dV/dt)c = 0.1 V/µs

(dV/dt)c = 10 V/µs 1 2

Tj = 125 °C

= 150 °C

T

j

MIN.

(3)

100 750 500 2000

50 500 300 1000

5.4

2.5

Without snubber 2 6.5

1. Minimum IGT is guaranted at 5% of IGT max.

2. For both polarities of A2 referenced to A1.

3. Derating information for excess temperature above T

Table 4. Static characteristics

max.

j

Unit

mA

mAIV 40

V/µs

A/ms

Symbol Test conditions Value Unit

(1)

V

ITM = 11.3 A, tp = 380 µs Tj = 25 °C MAX. 1.60 V

T

(1)

V

TO

R

D

I

DRM

I

RRM

1. For both polarities of A2 referenced to A1.

2. Derating information for excess temperature above T

Threshold voltage Tj = 125 °C MAX. 0.87 V

(1)

Dynamic resistance Tj = 125 °C MAX. 60 mΩ

Tj = 25 °C

V

DRM

V

= 0.9 x V

D

= V

RRM

DRM

max.

j

= 125 °C 1

T

j

Tj = 150 °C

(2)

MAX.

TYP. 1.9

5µA

Doc ID 16192 Rev 3 3/9

mA

Characteristics T8T

Table 5. Thermal resistance

Symbol Parameter Value Unit

R

Figure 1. Maximum power dissipation versus

10

9

8

7

6

5

4

3

2

1

0

Figure 3. On-state rms current versus

Junction to case (AC) 2.8 °C/W

th(j-c)

Junction to ambient (DC) 60 °C/W

th(j-a)

Figure 2. On-state rms current versus case

rms on-state current

P(W)

α = 180°

180°

I

(A)

T(RMS)

012345678

I

T(RMS)

10

9

8

7

6

5

4

3

2

1

0

0 25 50 75 100 125

temperature

(A)

Figure 4. Relative variation of thermal

ambient temperature

impedance versus pulse duration

α = 180°

TC(°C)

(free air convection)

I

2.5

2.0

T(RMS)

(A)

α = 180°

1.0E+00

K = [Zth/ Rth]

TO-220AB

Z

th(j-c)

Z

th(j-a)

1.5

1.0E-01

1.0

0.5

0.0

0.0 0 25 50 75 100 125

0 25 50 75 100 125

Ta(°C)

Figure 5. On-state characteristics

1.0E-02

Figure 6. Surge peak on state current versus

(maximum values)

ITM(A)

100

10

Tjmax:

Vto= 0.87 V

1

02345

1

VTM(V)

Rd=6 0 mΩ

70

60

50

40

30

20

10

0

TO-220AB

Tp(s)

1.0E-03 1.0E-02 1.0E-01 1.0E+00 1.0E+01 1.0E+02 1.0E+03

number of cycles

I

(A)

TSM

Non repetitive

Tjinitial = 25 °C

Repetitive Tc= 97 °C

1 10 100

t = 20 ms

One cycle

Number of cycles

1000

4/9 Doc ID 16192 Rev 3

T8T Characteristics

Figure 7. Non repetitive surge peak on-state

current for a sinusoidal

I

(A), I²t (A²s)

TSM

1000

dl /dt limitation: 50 A / µs

100

Tjinitial = 25 °C

I

TSM

I²t

pulse with width t <10 ms, and corresponding value of I²t

10

0.01 0.10 1.00 10.00

p

tp(ms)

Figure 9. Relative variation of holding

current and latching current versus junction temperature

IH,[Tj] / IH,IL[Tj= 25 °C]I

L

2.0

1.5

1.0

0.5

0.0

-50 -25 0 25 50 75 100 125

Tj(°C)

typical values

I

H

I

L

Figure 11. Relative variation of critical rate of

decrease of main current versus junction temperature

(dl / dt)c[Tj] / [Tj= 125 °C](dl / dt)

6

5

4

3

2

1

0

25 50 75 100 125

c

Tj(°C)

Figure 8. Relative variation of gate trigger

current and gate trigger voltage versus junction temperature

IGT,VGT[Tj] / IGT,VGT[Tj= 25 °C]

3.0

2.5

2.0

1.5

1.0

0.5

0.0

-50 -25 0 25 50 75 100 125

IGTQ3

IGTQ1-Q2

IGTQ1-Q2-Q3

Tj(°C)

typical values

Figure 10. Relative variation of static dV/dt

immunity versus junction temperature

dV / dt [Tj] / [Tj= 125 °C]dV / dt

7

6

5

4

3

2

1

0

25 50 75 100 125

VD=VR= 402 V

Tj(°C)

Figure 12. Relative variation of leakage

current versus junction temperature

I

DRM/IRRM[Tj;VDRM/VRRM

1.0E+00

1.0E-01

1.0E-02

1.0E-03 25 50 75 100 125

[Tj= 125 °C; 600 V]

V

DRM=VRRM

] / I

DRM/IRRM

V

DRM=VRRM

= 400 V

for different values of blocking voltage

= 600 V

V

DRM=VRRM

= 200 V

Tj(°C)

Doc ID 16192 Rev 3 5/9

Ordering information scheme T8T

2 Ordering information scheme

Figure 13. Ordering information scheme

T 8 10 T - 6 I

TRIAC

Current

8 = 8 A

Sensitivity

10 = 10 mA 20 = 20 mA 25 = 25 mA 35 = 35 mA

Application specific

Voltage

6 = 600 V

Package I = TO-220AB-Ins.

6/9 Doc ID 16192 Rev 3

T8T Package mechanical data

3 Package mechanical data

● Epoxy meets UL94, V0

● Lead-free packages

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK specifications, grade definitions and product status are available at: www.st.com ECOPACK

Table 6. TO-220AB Insulated dimensions

®

packages, depending on their level of environmental compliance. ECOPACK®

®

is an ST trademark.

.

Dimensions

Ref.

Millimeters Inches

Min. Typ. Max. Min. Typ. Max.

A 15.20 15.90 0.598 0.625

a1 3.75 0.147

B

Ø I

L

A

I4

l3

a1

l2

a2

C

b2

a2 13.00 14.00 0.511 0.551

B 10.00 10.40 0.393 0.409

F

b1 0.61 0.88 0.024 0.034

b2 1.23 1.32 0.048 0.051

C 4.40 4.60 0.173 0.181

c2

c1 0.49 0.70 0.019 0.027

c2 2.40 2.72 0.094 0.107

e 2.40 2.70 0.094 0.106

b1

e

M

F 6.20 6.60 0.244 0.259

c1

ØI 3.75 3.85 0.147 0.151

I4 15.80 16.40 16.80 0.622 0.646 0.661

L 2.65 2.95 0.104 0.116

l2 1.14 1.70 0.044 0.066

l3 1.14 1.70 0.044 0.066

M2.60 0.102

Doc ID 16192 Rev 3 7/9

Ordering information T8T

4 Ordering information

Table 7. Ordering information

Order code Marking Package Weight Base qty Delivery mode

T810T-6I T810T-6I

T820T-6I T820T-6I

T825T-6I T825T-6I

T835T-6I T835T-6I

5 Revision history

Table 8. Document revision history

Date Revision Changes

10-Sep-2009 1 First issue.

18-Jan-2010 2 Updated pag.1.

20-Sep-2011 3 Updated: Features.

TO-220AB-Ins. 2.3 g 50 Tube

8/9 Doc ID 16192 Rev 3

T8T

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Doc ID 16192 Rev 3 9/9

ST T8T User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Table 1. Device summary

1 Characteristics

Table 4. Static characteristics

Table 5. Thermal resistance

2 Ordering information scheme

Figure 13. Ordering information scheme

3 Package mechanical data

Table 6. TO-220AB Insulated dimensions

4 Ordering information

Table 7. Ordering information

5 Revision history

Table 8. Document revision history