Philips Semiconductors
Preliminary specification
Three quadrant triacs
high commutation
GENERAL DESCRIPTION
Glass passivated high commutation
triacs in a plastic envelope, suitable
for surface mounting, intended for use
in circuits where high static and
dynamic dV/dt and high dI/dt can
occur. These devices will commutate
the full rated rms current at the
maximum rated junction temperature,
without the aid of a snubber.
BTA208S series C
BTA208M series C
QUICK REFERENCE DATA
SYMBOL
V
DRM
I
T(RMS)
I
TSM
PARAMETER
BTA208S
(or BTA208M)-
Repetitive peak off-state
voltages
RMS on-state current
Non-repetitive peak on-state
current
MAX. MAX. MAX. UNIT
500C
500
8
65
600C
600
8
65
800C
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
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.
-
-
-500
500
1
MAX.
-600
600
1
8
-800
800
UNIT
V
A
I
2
t
dI
T
/dt
I
GM
V
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 voltage
Peak gate power
Average gate power
Storage temperature
Operating junction
temperature
-
-
-
65
71
21
100
2
5
5
0.5
150
125
A
A
A
2
s
A/µs
A
V
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.
October 1997
1
Rev 1.000
Philips Semiconductors
Preliminary specification
Three quadrant triacs
high commutation
THERMAL RESISTANCES
SYMBOL
R
th j-mb
R
th j-a
PARAMETER
CONDITIONS
BTA208S series C
BTA208M series C
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
V
D
= 12 V; I
T
= 0.1 A
T2+ G+
T2+ G-
T2- G-
T2+ G+
T2+ G-
T2- G-
MIN.
2
2
2
-
-
-
-
-
-
0.25
-
TYP.
-
-
-
-
-
-
-
1.3
0.7
0.4
0.1
MAX.
35
35
35
20
30
20
15
1.65
1.5
-
0.5
UNIT
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
dI
com
/dt
t
gt
PARAMETER
Critical rate of rise of
off-state voltage
Critical rate of change of
commutating current
Gate controlled turn-on
time
CONDITIONS
V
DM
= 67% V
DRM(max)
; T
j
= 125 ˚C; exponential
waveform; gate open circuit
V
DM
= 400 V; T
j
= 125 ˚C; I
T(RMS)
= 8 A; without
snubber; gate open circuit
I
TM
= 12 A; V
D
= V
DRM(max)
; I
G
= 0.1 A;
dI
G
/dt = 5 A/µs
MIN.
1000
3
-
TYP.
-
14
2
UNIT
V/µs
A/ms
µs
2
Device does not trigger in the T2-, G+ quadrant.
October 1997
2
Rev 1.000
Philips Semiconductors
Preliminary specification
Three quadrant triacs
high commutation
MECHANICAL DATA
Dimensions in mm
Net Mass: 1.1 g
6.73 max
1.1
2.38 max
0.93 max
seating plane
BTA208S series C
BTA208M series C
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.1. SOT428 : centre pin connected to tab.
MOUNTING INSTRUCTIONS
Dimensions in mm
7.0
7.0
2.15
2.5
1.5
4.57
Fig.2. SOT428 : minimum pad sizes for surface mounting.
Notes
1. Plastic meets UL94 V0 at 1/8".
October 1997
3
Rev 1.000
Philips Semiconductors
Preliminary specification
Three quadrant triacs
high commutation
DEFINITIONS
Data sheet status
Objective specification
Product specification
Limiting values
BTA208S series C
BTA208M series C
This data sheet contains target or goal specifications for product development.
This data sheet contains final product specifications.
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Limiting values are given in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and
operation of the device at these or at any other conditions above those given in the Characteristics sections of
this specification is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
©
Philips Electronics N.V. 1997
All rights are reserved. 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, it is believed to be
accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any
consequence of its use. Publication thereof does not convey nor imply any license under patent or other
industrial or intellectual property rights.
LIFE SUPPORT APPLICATIONS
These 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. Philips customers using or selling these products
for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting
from such improper use or sale.
October 1997
4
Rev 1.000
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