ST BTA40, BTA41, BTB41 User Manual
BTA40, BTA41, BTB41
40 A standard TRIACs
Features
■ High current TRIAC
■ Low thermal resistance with clip bonding
■ High commutation capability
■ BTA series UL1557 certified (File ref: 81734)
■ Packages are RoHS (2002/95/EC) compliant
Applications
■ On/off function in static relays, heating
regulation, induction motor starting circuits
■ Phase control operations in light dimmers,
motor speed controllers, and similar
Description
Available in high power packages, the
BTA/BTB40-41 series is suitable for general
purpose AC switching.
The BTA series provides an insulated tab (rated at
2500 V rms).
A1
A2
G
TOP3 insulated
(BTA41)
A2
G
A1
A1
A2
G
RD91 insulated
(BTA40)
A1
A2
G
TOP3
(BTB41)
A2
Table 1. Device summary
Symbol Parameter BTA40
I
T(RMS)
V
DRM/VRRM
I
GT
1. Insulated package
On-state rms current 40 41 41 A
Repetitive peak off-state voltage 600 and 800 600 and 800 600 and 800 V
Triggering gate current 50 50 50 mA
(1)
BTA41
(1)
BTB41 Unit
August 2009 Doc ID 7469 Rev 8 1/9
www.st.com
9
Characteristics BTA40, BTA41, BTB41
1 Characteristics
Table 2. Absolute maximum ratings
Symbol Parameter Value Unit
I
T(RMS)
I
TSM
²
tI
I
dI/dt
V
DSM/VRSM
I
GM
P
G(AV)
T
stg
T
Table 3. Electrical characteristics (Tj = 25 °C, unless otherwise specified)
On-state rms current
(full sine wave)
Non repetitive surge peak on-state
current (full cycle, Tj initial = 25 °C)
²
t Value for fusing tp = 10 ms 1000 A²s
Critical rate of rise of on-state current
= 2 x IGT , tr ≤ 100 ns
I
G
Non repetitive surge peak off-state
voltage
Peak gate current tp = 20 µs Tj = 125 °C 8 A
Average gate power dissipation Tj = 125 °C 1 W
Storage junction temperature range
Operating junction temperature range
j
TOP3 T
RD91 / TOP ins. T
F = 50 Hz t = 20 ms 400
F = 60 Hz t = 16.7 ms 420
F = 120 Hz T
= 10 ms Tj = 25 °C
t
p
= 95 °C
c
= 80 °C
c
= 125 °C 50 A/µs
j
40 A
V
DSM/VRSM
+
100
- 40 to + 150
- 40 to + 125
Symbol Parameter Value Unit
A
V
°C
(1)
I
GT
V
GT
V
GD
I
(2) IT = 500 mA MAX. 80 mA
H
VD = 12 V RL = 33 Ω
VD = V
RL = 3.3 kΩ Tj = 125 °C ALL MIN. 0.2 V
DRM
I - II - III
IV
MAX.
100
ALL MAX. 1.3 V
I - III - IV
I
L
dV/dt
(dV/dt)c
1. Minimum IGT is guaranted at 5% of IGT max.
2. for both polarities of A2 referenced to A1
IG = 1.2 I
(2)
VD = 67% V
(2)
(dI/dt)c = 20 A/ms Tj = 125 °C MIN. 10 V/µs
GT
II 160
gate open Tj = 125 °C MIN. 500 V/µs
DRM
MAX.
50
70
mA
mA
2/9 Doc ID 7469 Rev 8
BTA40, BTA41, BTB41 Characteristics
Table 4. Static characteristics
Symbol Test conditions Value Unit
(1)
V
V
R
I
I
T
t0
(2)
d
DRM
RRM
ITM = 60 A tp = 380 µs Tj = 25 °C MAX. 1.55 V
(2)
Threshold voltage Tj = 125 °C MAX. 0.85 V
Dynamic resistance Tj = 125 °C MAX. 10 mΩ
Tj = 25 °C
V
DRM
= V
RRM
= 125 °C 5 mA
T
j
MAX.
5µA
1. Minimum IGT is guaranted at 5% of IGT max.
2. for both polarities of A2 referenced to A1
Table 5. Thermal resistance
Symbol Test conditions Value Unit
RD91 (insulated) / TOP3 insulated 0.9
R
th(j-c)
R
th(j-a)
Figure 1. Maximum power dissipation versus
Junction to case (AC)
TOP3 0.6
Junction to ambient TOP3 / TOP3 insulated 50 °C/W
Figure 2. On-state rms current versus case
on-state rms current (full cycle)
temperature (full cycle)
°C/W
P(W)
50
40
30
20
10
I (A)
0
0 5 10 15 20 25 30 35 40
T(RMS)
α
Figure 3. Relative variation of thermal
impedance versus pulse duration
K=[Z /R
1.E+00
1.E-01
1.E-02
1.E-03
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
th th
Z
th(j-c)
]
Z
th(j-a)
BTA / BTB41
t (s)
p
180°
I (A)
T(RMS)
45
40
35
30
25
20
15
α
10
5
0
0 25 50 75 100 125
T (°C)
BTA40
BTA41
C
α=180°
BTB41
Figure 4. On-state characteristics (maximum
values)
I (A)
TM
400
T max.
j
V = 0.85V
to
Ω
R = 10 m
d
100
T=jT max.
j
T = 25°Cj.
10
V (V)
1
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
TM
Doc ID 7469 Rev 8 3/9
Loading...