BT138-800
4Q Triac
30 August 2013
Product data sheet
1. General description
Planar passivated four quadrant triac in a SOT78 (TO-220AB) plastic package intended
for use in applications requiring high bidirectional transient and blocking voltage
capability and high thermal cycling performance. Typical applications include motor
control, industrial and domestic lighting, heating and static switching.
2. Features and benefits
•
•
•
•
•
High blocking voltage capability
High blocking voltage suitable for high voltage applications
Less sensitive gate for improved noise immunity
Planar passivated for voltage ruggedness and reliability
Triggering in all four quadrants
3. Applications
•
•
General purpose motor control
General purpose switching
4. Quick reference data
Table 1.
Symbol
V
DRM
I
TSM
T
j
I
T(RMS)
Quick reference data
Parameter
repetitive peak off-
state voltage
non-repetitive peak on- full sine wave; T
j(init)
= 25 °C;
state current
t
p
= 20 ms;
Fig. 4; Fig. 5
junction temperature
RMS on-state current
full sine wave; T
mb
≤ 99 °C;
Fig. 1;
Fig. 2; Fig. 3
Static characteristics
I
GT
gate trigger current
V
D
= 12 V; I
T
= 0.1 A; T2+ G+;
T
j
= 25 °C;
Fig. 7
V
D
= 12 V; I
T
= 0.1 A; T2+ G-;
T
j
= 25 °C;
Fig. 7
-
8
35
mA
-
5
35
mA
Conditions
Min
-
-
-
-
Typ
-
-
-
-
Max
800
95
125
12
Unit
V
A
°C
A
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TO
-2
20A
B
NXP Semiconductors
BT138-800
4Q Triac
Symbol
Parameter
Conditions
V
D
= 12 V; I
T
= 0.1 A; T2- G-;
T
j
= 25 °C;
Fig. 7
V
D
= 12 V; I
T
= 0.1 A; T2- G+;
T
j
= 25 °C;
Fig. 7
Min
-
-
Typ
10
22
Max
35
70
Unit
mA
mA
Dynamic characteristics
dV
D
/dt
rate of rise of off-state
voltage
V
DM
= 536 V; T
j
= 125 °C; (V
DM
= 67%
of V
DRM
); exponential waveform; gate
open circuit
100
250
-
V/µs
5. Pinning information
Table 2.
Pin
1
2
3
mb
Pinning information
Symbol Description
T1
T2
G
T2
main terminal 1
main terminal 2
gate
mounting base; main
terminal 2
Simplified outline
mb
Graphic symbol
T2
sym051
T1
G
1 2 3
TO-220AB (SOT78)
6. Ordering information
Table 3.
Ordering information
Package
Name
BT138-800
BT138-800/DG
TO-220AB
TO-220AB
Description
plastic single-ended package; heatsink mounted; 1 mounting
hole; 3-lead TO-220AB
plastic single-ended package; heatsink mounted; 1 mounting
hole; 3-lead TO-220AB
Version
SOT78
SOT78
Type number
BT138-800
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© NXP N.V. 2013. All rights reserved
Product data sheet
30 August 2013
2 / 13
NXP Semiconductors
BT138-800
4Q Triac
7. Limiting values
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
V
DRM
I
T(RMS)
I
TSM
Parameter
repetitive peak off-state voltage
RMS on-state current
non-repetitive peak on-state
current
full sine wave; T
mb
≤ 99 °C;
Fig. 1;
Fig. 2; Fig. 3
full sine wave; T
j(init)
= 25 °C;
t
p
= 20 ms;
Fig. 4; Fig. 5
full sine wave; T
j(init)
= 25 °C;
t
p
= 16.7 ms
I t
dI
T
/dt
2
Conditions
Min
-
-
-
-
-
-
-
-
-
-
-
Max
800
12
95
105
45
50
50
50
10
2
5
0.5
150
125
Unit
V
A
A
A
2
I t for fusing
rate of rise of on-state current
2
t
p
= 10 ms; sine-wave pulse
I
T
= 20 A; I
G
= 0.2 A; dI
G
/dt = 0.2 A/µs;
T2+ G+
I
T
= 20 A; I
G
= 0.2 A; dI
G
/dt = 0.2 A/µs;
T2+ G-
I
T
= 20 A; I
G
= 0.2 A; dI
G
/dt = 0.2 A/µs;
T2- G-
I
T
= 50 A; I
G
= 0.2 A; dI
G
/dt = 0.2 A/µs;
T2- G+
A s
A/µs
A/µs
A/µs
A/µs
A
W
W
°C
°C
I
GM
P
GM
P
G(AV)
T
stg
T
j
peak gate current
peak gate power
average gate power
storage temperature
junction temperature
over any 20 ms period
-
-40
-
BT138-800
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© NXP N.V. 2013. All rights reserved
Product data sheet
30 August 2013
3 / 13
NXP Semiconductors
BT138-800
4Q Triac
15
I
T(RMS)
(A)
12
003aaj938
50
I
T(RMS)
(A)
40
003aaj940
99 °C
9
30
6
20
3
10
0
-50
0
50
100
T
mb
(°C)
150
0
10
-2
10
-1
1
10
surge duration (s)
Fig. 1.
RMS on-state current as a function of mounting
base temperature; maximum values
Fig. 2.
20
f = 50 Hz; T
mb
= 99 °C
RMS on-state current as a function of surge
duration; maximum values
003aaj942
P
tot
(W)
16
conduction
angle
(degrees)
30
60
90
120
180
form
factor
a
4
2.8
2.2
1.9
1.57
α
95
T
mb(max)
(°C)
101
α = 180°
120°
90°
60°
30°
12
107
8
113
4
119
0
0
3
6
9
12
I
T(RMS)
(A)
125
15
α = conduction angle
a = form factor = I
T(RMS)
/ I
T(AV)
Fig. 3.
Total power dissipation as a function of RMS on-state current; maximum values
BT138-800
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© NXP N.V. 2013. All rights reserved
Product data sheet
30 August 2013
4 / 13
NXP Semiconductors
BT138-800
4Q Triac
100
I
TSM
(A)
80
003aaj944
60
40
I
T
I
TSM
t
20
1/f
0
T
j(init)
=
25
°C
max
1
10
10
2
number of cycles (n)
10
3
f = 50 Hz
Fig. 4.
10
3
I
TSM
(A)
Non-repetitive peak on-state current as a function of the number of sinusoidal current cycles; maximum
values
003aaj945
I
T
I
TSM
t
t
p
Tj(init) = 25 °C max
10
2
(1)
(2)
10
10
-5
10
-4
10
-3
10
-2
t
p
(s)
10
-1
t
p
≤ 20 ms
(1) dI
T
/dt limit
(2) T2- G+ quadrant limit
Fig. 5.
Non-repetitive peak on-state current as a function of pulse width; maximum values
BT138-800
All information provided in this document is subject to legal disclaimers.
© NXP N.V. 2013. All rights reserved
Product data sheet
30 August 2013
5 / 13
