STMicroelectronics BTB20CW Snubberless triac Datasheet

BTA20 BW/CW
BTB20 BW/CW
®
SNUBBERLESS TRIACS
A2
FEATURES
High commutation: (dI/dt)c > 18A/ms
without snubber
High surge current: ITSM = 200A
VDRM up to 800V
BTA Family:
Insulating voltage = 2500V(RMS)
(UL recognized: E81734)
■
■
G
■
A1
■
DESCRIPTION
The BTA/BTB20 BW/CW triac family are high performance glass passivated chips technology.
The SNUBBERLESS concept offer suppression
of RC network and it is suitable for application such
as phase control and static switching on inductive
or resistive load.
A1
A2
G
TO-220AB
ABSOLUTE RATINGS (limiting values)
Symbol
IT(RMS)
ITSM
I2t
dI/dt
Tstg
Tj
Tl
Parameter
RMS on-state current (360° conduction angle)
BTA
Tc = 70°C
BTB
Tc = 90°C
Value
Unit
20
A
A
Non repetitive surge peak on-state current
(Tj initial = 25°C)
tp = 8.3ms
210
tp = 10ms
200
I2t value
tp = 10ms
200
A2s
Critical rate of rise of on-state current
Gate supply: IG = 500mA dIG/dt = 1A/µs
Repetitive
F = 50Hz
20
A/µs
Non repetitive
100
Storage and operating junction temperature range
Maximum lead soldering temperature during 10s at 4.5mm from case
-40 to +150
-40 to +125
°C
260
°C
BTA/BTB20-...BW/CW
Symbol
VDRM
VRRM
Parameter
Repetitive peak off-state voltage Tj = 125°C
September 2001 - Ed: 1A
Unit
600
700
600
700
V
1/6
BTA20 BW/CW
BTB20 BW/CW
THERMAL RESISTANCE
Symbol
Parameter
Rth (j-a)
Value
Unit
60
°C/W
BTA
2.8
°C/W
BTB
1.7
BTA
2.1
BTB
1.3
Junction to ambient
Rth (j-c) DC
Rth (j-c) AC
Junction to case for DC
Junction to case for 360° conduction angle (F = 50Hz)
GATE CHARACTERISTICS (maximum values)
PG(AV) = 1W PGM = 10W (tp = 20µs) IGM = 4A (tp = 20µs)
°C/W
VGM = 16V (tp = 20µs)
ELECTRICAL CHARACTERISTICS
BTA / BTB20
Symbol
IGT
Test conditions
VD = 12V (DC)
RL = 33Ω
Quadrant
Tj = 25°C
I - II - III
Unit
BW
CW
MIN.
2
1
MAX.
50
35
mA
VGT
VD = 12V (DC)
RL = 33Ω
Tj = 25°C
I - II - III
MAX.
1.5
V
VGD
VD = VDRM
RL = 3.3kΩ
Tj =125°C
I - II - III
MIN.
0.2
V
2
µs
tgt
VD = VDRM IG = 500mA
dIG/dt = 3A/µs
Tj = 25°C
I - II - III
TYP.
IL
IG = 1.2IGT
Tj = 25°C
I - III
TYP.
50
-
90
-
MAX.
-
80
75
50
II
I - II - III
IH*
mA
IT = 500mA Gate open
Tj = 25°C
MAX.
VTM *
ITM = 28A
Tj = 25°C
MAX.
1.70
V
IDRM
IRRM
VDRM rated
VRRM rated
Tj = 25°C
MAX.
0.01
mA
Tj = 125°C
MAX.
3
Tj = 125°C
TYP.
750
500
MIN.
500
250
TYP.
36
22
MIN.
18
11
dV/dt *
(dI/dt)c*
tp = 380µs
Linear slope up to
VD = 67% VDRM gate open
Without snubber
Tj = 125°C
* For either polarity of electrode A2 voltage with reference to electrode A1
2/6
mA
V/µs
A/ms
BTA20 BW/CW
BTB20 BW/CW
PRODUCT INFORMATION
IT(RMS)
VDRM / VRRM
A
V
BW
CW
20
600
X
X
700
X
X
Sensitivity Specification
Package
BTA
(Insulated)
BTB
(Uninsulated)
600
X
ORDERING INFORMATION
BT
Triac
Series
A
20
-
600
BW
Sensitivity
Insulation:
A: insulated
B: non insulated
Voltage:
600: 600V
700: 700V
Current: 20A
3/6
BTA20 BW/CW
BTB20 BW/CW
Fig. 1: Maximum RMS power dissipation versus
RMS on-state current (F = 50Hz).(Curves are cut
off by (dI/dt)c limitation)
Fig. 2: Correlation between maximum RMS power
dissipation and maximum allowable temperatures
(Tamb and Tcase) for different thermal resistances
heatsink + contact (BTA).
Fig. 3: Correlation between maximum RMS power
dissipation and maximum allowable temperatures
(Tamb and Tcase) for different thermal resistances
heatsink + contact (BTB).
Fig. 4: RMS on-state current versus case temperature.
Fig. 5: Relative variation of thermal impedance
versus pulse duration.
Fig. 6: Relative variation of gate trigger current
and holding current versus junction temperature.
Zth/Rth
1
Zth(j-c)
0.1
Zth(j-a)
tp(s)
0.01
1E-3
4/6
1E-2
1E-1
1E+0
1E+1
1E+2 5E+2
BTA20 BW/CW
Fig. 7: Non repetitive surge peak on-state current
versus number of cycles.
BTB20 BW/CW
Fig. 8: Non repetitive surge peak on-state current
for a sinusoidal pulse with width: t ≤ 10ms, and corresponding value of I2t.
Fig. 9: On-state characteristics (maximum values).
5/6
BTA20 BW/CW
BTB20 BW/CW
PACKAGE MECHANICAL DATA
TO-220AB (Plastic)
DIMENSIONS
REF.
B
Millimeters
Inches
Min. Typ. Max. Min. Typ. Max.
C
b2
A
15.20
a1
L
F
I
A
l4
c2
a1
l3
l2
a2
b1
M
c1
e
15.90 0.598
3.75
0.625
0.147
a2
13.00
14.00 0.511
0.551
B
10.00
10.40 0.393
0.409
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
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
F
6.20
6.60 0.244
0.259
I
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
M
2.60
0.102
OTHER INFORMATION
■
■
■
■
Ordering type
Marking
Package
Weight
Base qty
Delivery mode
BTA/BTB20-xxxyz
BTA/BTB20-xxxyz
TO-220AB
2.3 g
250
Bulk
Epoxy meets UL94,V0
Cooling method: C
Recommended torque value: 0.8 m.N.
Maximum torque value: 1 m.N.
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of
use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 2001 STMicroelectronics - Printed in Italy - All rights reserved.
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