Philips Semiconductors
Product specification
Triacs
sensitive gate
GENERAL DESCRIPTION
Glass passivated, sensitive gate
triacs in a plastic envelope, suitable
for surface mounting, intended for use
in general purpose bidirectional
switching
and
phase
control
applications, where high sensitivity is
required in all four quadrants.
BT137S series E
BT137M series E
QUICK REFERENCE DATA
SYMBOL
V
DRM
I
T(RMS)
I
TSM
PARAMETER
BT137S
(or BT137M)-
Repetitive peak off-state
voltages
RMS on-state current
Non-repetitive peak on-state
current
MAX. MAX. MAX. UNIT
500E
500
8
65
600E
600
8
65
800E
800
8
65
V
A
A
PINNING - SOT428
PIN
Standard Alternative
NUMBER
S
M
1
2
3
tab
MT1
MT2
gate
MT2
gate
MT2
MT1
MT2
PIN CONFIGURATION
tab
SYMBOL
T2
T1
2
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
I
2
t for fusing
Repetitive rate of rise of
on-state current after
triggering
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
T2+ G+
T2+ G-
T2- G-
T2- G+
CONDITIONS
MIN.
-
-
-
-
-
-
-
-
-
-
-
-
-
-40
-
-500
500
1
MAX.
-600
600
1
8
65
71
21
50
50
50
10
2
5
5
0.5
150
125
-800
800
UNIT
V
A
A
A
A
2
s
A/µs
A/µs
A/µs
A/µs
A
V
W
W
˚C
˚C
I
2
t
dI
T
/dt
I
GM
V
GM
P
GM
P
G(AV)
T
stg
T
j
Peak gate current
Peak gate voltage
Peak gate power
Average gate power
Storage temperature
Operating junction
temperature
over any 20 ms period
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.
October 1997
1
Rev 1.200
Philips Semiconductors
Product specification
Triacs
sensitive gate
THERMAL RESISTANCES
SYMBOL
R
th j-mb
R
th j-a
PARAMETER
CONDITIONS
MIN.
-
-
-
BT137S series E
BT137M series E
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
CONDITIONS
V
D
= 12 V; I
T
= 0.1 A
T2+ G+
T2+ G-
T2- G-
T2- G+
T2+ G+
T2+ G-
T2- G-
T2- G+
MIN.
-
-
-
-
-
-
-
-
-
-
-
0.25
-
TYP.
2.5
4.0
5.0
11
3.0
14
3.0
4.0
2.5
1.3
0.7
0.4
0.1
MAX.
10
10
10
25
25
35
25
35
20
1.65
1.5
-
0.5
UNIT
mA
mA
mA
mA
mA
mA
mA
mA
mA
V
V
V
mA
I
L
Latching current
V
D
= 12 V; I
GT
= 0.1 A
I
H
V
T
V
GT
I
D
Holding current
On-state voltage
Gate trigger voltage
Off-state leakage current
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
DYNAMIC CHARACTERISTICS
T
j
= 25 ˚C unless otherwise stated
SYMBOL
dV
D
/dt
t
gt
PARAMETER
Critical rate of rise of
off-state voltage
Gate controlled turn-on
time
CONDITIONS
V
DM
= 67% V
DRM(max)
; T
j
= 125 ˚C;
exponential waveform; gate open circuit
I
TM
= 12 A; V
D
= V
DRM(max)
; I
G
= 0.1 A;
dI
G
/dt = 5 A/µs
MIN.
-
-
TYP.
50
2
MAX.
-
-
UNIT
V/µs
µs
October 1997
2
Rev 1.200
Philips Semiconductors
Product specification
Triacs
sensitive gate
BT137S series E
BT137M series E
12
10
Ptot / W
BT137
Tmb(max) / C
101
= 180
120
105
109
10
IT(RMS) / A
BT137
1
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.
BT137
BT137
Fig.4. Maximum permissible rms current I
T(RMS)
,
versus mounting base temperature T
mb
.
BT137
1000
ITSM / A
IT
I TSM
time
25
IT(RMS) / A
20
Tj initial = 25 C max
15
100
dI
T
/dt limit
10
T2- G+ quadrant
5
10
10us
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.
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)
80
70
60
50
40
30
ITSM / A
BT137
IT
T
ITSM
time
1.6
1.4
1.2
1
0.8
BT136
Tj initial = 25 C max
20
10
0.6
0.4
-50
0
1
10
100
Number of cycles at 50Hz
1000
0
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
.
October 1997
3
Rev 1.200
Philips Semiconductors
Product specification
Triacs
sensitive gate
BT137S series E
BT137M series E
3
2.5
2
1.5
IGT(Tj)
IGT(25 C)
BT137E
T2+ G+
T2+ G-
T2- G-
T2- G+
25
IT / A
Tj = 125 C
Tj = 25 C
BT137
20
typ
Vo = 1.264 V
Rs = 0.0378 Ohms
max
15
10
1
0.5
0
-50
5
0
50
Tj / C
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
.
IL(Tj)
IL(25 C)
Fig.10. Typical and maximum on-state characteristic.
3
2.5
TRIAC
10
Zth j-mb (K/W)
BT137
unidirectional
1
bidirectional
2
1.5
1
0.5
0
-50
0.01
10us
0.1ms
1ms
10ms
tp / s
0.1
P
D
tp
t
0
50
Tj / C
100
150
0.1s
1s
10s
Fig.8. Normalised latching current I
L
(T
j
)/ I
L
(25˚C),
versus junction temperature T
j
.
IH(Tj)
IH(25C)
Fig.11. Transient thermal impedance Z
th j-mb
, versus
pulse width t
p
.
dVD/dt (V/us)
3
2.5
2
1.5
1
0.5
TRIAC
1000
100
10
0
-50
0
50
Tj / C
100
150
1
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. Typical, critical rate of rise of off-state voltage,
dV
D
/dt versus junction temperature T
j
.
October 1997
4
Rev 1.200
Philips Semiconductors
Product specification
Triacs
sensitive gate
MECHANICAL DATA
Dimensions in mm
Net Mass: 1.1 g
6.73 max
1.1
2.38 max
0.93 max
seating plane
BT137S series E
BT137M series E
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".
October 1997
5
Rev 1.200
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