Philips Semiconductors
Product specification
Three quadrant triacs
guaranteed commutation
GENERAL DESCRIPTION
Passivated guaranteed commutation
triacs in a plastic envelope suitable for
surface mounting, intended for use in
motor control circuits or with other highly
inductive loads. These devices balance
the requirements of commutation
performance and gate sensitivity. The
"sensitive gate" E series and "logic level"
D series are intended for interfacing with
low power drivers, including micro
controllers.
BTA208S series D, E and F
QUICK REFERENCE DATA
SYMBOL
PARAMETER
BTA208S-
BTA208S-
BTA208S-
Repetitive peak off-state
voltages
RMS on-state current
Non-repetitive peak on-state
current
MAX.
600D
600E
600F
600
8
65
MAX.
-
800E
800F
800
8
65
UNIT
V
DRM
I
T(RMS)
I
TSM
V
A
A
PINNING - SOT428
PIN
1
2
3
tab
DESCRIPTION
MT1
MT2
gate
PIN CONFIGURATION
tab
SYMBOL
T2
T1
2
MT2
1
3
G
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134).
SYMBOL
V
DRM
I
T(RMS)
I
TSM
PARAMETER
Repetitive peak off-state
voltages
RMS on-state current
Non-repetitive peak
on-state current
full sine wave;
T
mb
≤
102 ˚C
full sine wave;
T
j
= 25 ˚C prior to
surge
t = 20 ms
t = 16.7 ms
t = 10 ms
I
TM
= 12 A; I
G
= 0.2 A;
dI
G
/dt = 0.2 A/µs
CONDITIONS
MIN.
-
-
-600
600
1
8
MAX.
-800
800
UNIT
V
A
I
2
t
dI
T
/dt
I
GM
P
GM
P
G(AV)
T
stg
T
j
I
2
t for fusing
Repetitive rate of rise of
on-state current after
triggering
Peak gate current
Peak gate power
Average gate power
Storage temperature
Operating junction
temperature
-
-
-
65
72
21
100
2
5
0.5
150
125
A
A
A
2
s
A/µs
A
W
W
˚C
˚C
over any 20 ms
period
-
-
-
-40
-
1
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 6 A/µs.
March 2002
1
Rev 2.000
Philips Semiconductors
Product specification
Three quadrant triacs
guaranteed commutation
THERMAL RESISTANCES
SYMBOL
R
th j-mb
R
th j-a
PARAMETER
CONDITIONS
BTA208S series D, E and F
MIN.
-
-
-
TYP.
-
-
75
MAX.
2.0
2.4
-
UNIT
K/W
K/W
K/W
Thermal resistance
full cycle
junction to mounting base half cycle
Thermal resistance
pcb (FR4) mounted; footprint as in Fig.14
junction to ambient
STATIC CHARACTERISTICS
T
j
= 25 ˚C unless otherwise stated
SYMBOL
I
GT
PARAMETER
Gate trigger current
2
CONDITIONS
BTA208S-
V
D
= 12 V; I
T
= 0.1 A
T2+ G+
T2+ G-
T2- G-
V
D
= 12 V; I
GT
= 0.1 A
T2+ G+
T2+ G-
T2- G-
V
D
= 12 V; I
GT
= 0.1 A
I
T
= 10 A
V
D
= 12 V; I
T
= 0.1 A
V
D
= 400 V; I
T
= 0.1 A;
T
j
= 125 ˚C
V
D
= V
DRM(max)
; T
j
= 125 ˚C
-
-
-
-
-
-
-
-
-
0.25
-
MIN.
...D
5
5
5
15
25
25
15
MAX.
...E
10
10
10
25
30
30
25
1.65
1.5
-
0.5
...F
25
25
25
30
40
40
30
mA
mA
mA
mA
mA
mA
mA
V
V
V
mA
UNIT
I
L
Latching current
I
H
V
T
V
GT
I
D
Holding current
On-state voltage
Gate trigger voltage
Off-state leakage current
DYNAMIC CHARACTERISTICS
T
j
= 25 ˚C unless otherwise stated
SYMBOL
dV
D
/dt
PARAMETER
Critical rate of rise of
off-state voltage
Critical rate of change of
commutating current
Critical rate of change of
commutating current
CONDITIONS
BTA208S-
V
DM
= 67% V
DRM(max)
;
T
j
= 110 ˚C; exponential
waveform; gate open
circuit
V
DM
= 400 V; T
j
= 125 ˚C;
I
T(RMS)
= 8 A;
dV
com
/dt = 10V/µs; gate
open circuit
V
DM
= 400 V; T
j
= 125 ˚C;
I
T(RMS)
= 8 A;
dV
com
/dt = 0.1V/µs; gate
open circuit
...D
20
MIN.
...E
60
...F
70
-
V/µs
MAX.
UNIT
dI
com
/dt
2
5
14
-
A/ms
dI
com
/dt
6
10
20
-
A/ms
2
Device does not trigger in the T2-, G+ quadrant.
March 2002
2
Rev 2.000
Philips Semiconductors
Product specification
Three quadrant triacs
guaranteed commutation
BTA208S series D, E and F
12
10
Ptot / W
Tmb(max) / C
101
= 180
120
1
10
IT(RMS) / A
BT137
105
109
90
60
30
8
102 C
8
6
4
2
0
6
113
4
117
121
125
10
2
0
2
4
6
IT(RMS) / A
8
0
-50
0
50
Tmb / C
100
150
Fig.1. Maximum on-state dissipation, P
tot
, versus rms
on-state current, I
T(RMS)
, where
α
= conduction angle.
ITSM / A
Fig.4. Maximum permissible rms current I
T(RMS)
,
versus mounting base temperature T
mb
.
IT(RMS) / A
1000
25
20
dI
T
/dt limit
100
15
10
IT
T
10
10us
I TSM
time
5
Tj initial = 25 C max
100us
1ms
T/s
10ms
100ms
0
0.01
0.1
1
surge duration / s
10
Fig.2. Maximum permissible non-repetitive peak
on-state current I
TSM
, versus pulse width t
p
, for
sinusoidal currents, t
p
≤
20ms.
ITSM / A
IT
T
50
40
30
20
10
0
Fig.5. Maximum permissible repetitive rms on-state
current I
T(RMS)
, versus surge duration, for sinusoidal
currents, f = 50 Hz; T
mb
≤
102˚C.
VGT(Tj)
VGT(25 C)
70
60
ITSM
time
1.6
1.4
1.2
1
0.8
0.6
Tj initial = 25 C max
1
10
100
1000
0.4
-50
0
Number of half cycles at 50Hz
50
Tj / C
100
150
Fig.3. Maximum permissible non-repetitive peak
on-state current I
TSM
, versus number of cycles, for
sinusoidal currents, f = 50 Hz.
Fig.6. Normalised gate trigger voltage
V
GT
(T
j
)/ V
GT
(25˚C), versus junction temperature T
j
.
March 2002
3
Rev 2.000
Philips Semiconductors
Product specification
Three quadrant triacs
guaranteed commutation
BTA208S series D, E and F
IGT(Tj)
IGT(25°C)
3
T2+ G+
T2+ G-
T2- G-
25
IT / A
Tj = 125 C
Tj = 25 C
2.5
20
typ
Vo = 1.264 V
Rs = 0.0378 Ohms
max
2
15
1.5
10
1
0.5
5
0
-50
0
Tj/°C
50
100
150
0
0
0.5
1
1.5
VT / V
2
2.5
3
Fig.7. Normalised gate trigger current
I
GT
(T
j
)/ I
GT
(25˚C), versus junction temperature T
j
.
Fig.10. Typical and maximum on-state characteristic.
3
2.5
IL(Tj)
IL(25 C)
10
Zth j-mb (K/W)
unidirectional
1
bidirectional
2
1.5
0.1
P
D
tp
1
t
0.5
0
-50
0.01
10us
0.1ms
1ms
10ms
tp / s
0.1s
1s
10s
0
50
Tj / C
100
150
Fig.8. Normalised latching current I
L
(T
j
)/ I
L
(25˚C),
versus junction temperature T
j
.
Fig.11. Transient thermal impedance Z
th j-mb
, versus
pulse width t
p
.
dIcom/dt (A/ms)
F TYPE
E TYPE
D TYPE
100
3
2.5
2
1.5
1
0.5
IH(Tj)
IH(25C)
10
1
20
40
60
80
Tj/˚C
100
120
140
0
-50
0
50
Tj / C
100
150
Fig.9. Normalised holding current I
H
(T
j
)/ I
H
(25˚C),
versus junction temperature T
j
.
Fig.12. Minimum, critical rate of change of
commutating current, dI
com
/dt versus junction
temperature,dV
com
/dt = 10 V/us
March 2002
4
Rev 2.000
Philips Semiconductors
Product specification
Three quadrant triacs
guaranteed commutation
MECHANICAL DATA
Dimensions in mm
Net Mass: 1.1 g
6.73 max
1.1
2.38 max
0.93 max
BTA208S series D, E and F
seating plane
5.4
tab
4 min
6.22 max
10.4 max
4.6
2
1
2.285 (x2)
0.5 min
0.5
0.3
0.5
3
0.8 max
(x2)
Fig.13. SOT428 : centre pin connected to tab.
MOUNTING INSTRUCTIONS
Dimensions in mm
7.0
7.0
2.15
2.5
1.5
4.57
Fig.14. SOT428 : minimum pad sizes for surface mounting.
Notes
1. Plastic meets UL94 V0 at 1/8".
March 2002
5
Rev 2.000
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