DISCRETE SEMICONDUCTORS
DATA SHEET
BTA212 series B
Three quadrant triacs
high commutation
Product specification
September 2018
WeEn Semiconductors
Product specification
Three quadrant triacs
high commutation
GENERAL DESCRIPTION
Glass passivated high commutation
triacs in a plastic envelope 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.
PINNING - TO220AB
PIN
QUICK REFERENCE DATA
SYMBOL
VDRM
IT(RMS)
ITSM
PARAMETER
main terminal 1
2
main terminal 2
3
gate
MAX. MAX. MAX. UNIT
BTA212Repetitive peak off-state
voltages
RMS on-state current
Non-repetitive peak on-state
current
PIN CONFIGURATION
500B
500
600B
600
800B
800
V
12
95
12
95
12
95
A
A
SYMBOL
mb
DESCRIPTION
1
tab
BTA212 series B
T2
sym051
main terminal 2
T1
G
1 2 3
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134).
SYMBOL
PARAMETER
VDRM
Repetitive peak off-state
voltages
IT(RMS)
RMS on-state current
ITSM
Non-repetitive peak
on-state current
I2t
dIT/dt
IGM
VGM
PGM
PG(AV)
Tstg
Tj
I2t for fusing
Repetitive rate of rise of
on-state current after
triggering
Peak gate current
Peak gate voltage
Peak gate power
Average gate power
CONDITIONS
MIN.
-
full sine wave;
Tmb ≤ 99 ˚C
full sine wave;
Tj = 25 ˚C prior to
surge
t = 20 ms
t = 16.7 ms
t = 10 ms
ITM = 20 A; IG = 0.2 A;
dIG/dt = 0.2 A/μs
over any 20 ms
period
Storage temperature
Operating junction
temperature
MAX.
-500
5001
-600
6001
UNIT
-800
800
V
-
12
A
-
95
105
45
100
A
A
A2s
A/μs
-
2
5
5
0.5
A
V
W
W
-40
-
150
125
˚C
˚C
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 15 A/μs.
September 2018
1
Rev 1.300
WeEn Semiconductors
Product specification
Three quadrant triacs
high commutation
BTA212 series B
THERMAL RESISTANCES
SYMBOL
PARAMETER
Rth j-mb
Thermal resistance
full cycle
junction to mounting base half cycle
Thermal resistance
in free air
junction to ambient
Rth j-a
CONDITIONS
MIN.
TYP.
MAX.
UNIT
-
60
1.5
2.0
-
K/W
K/W
K/W
MIN.
TYP.
MAX.
UNIT
T2+ G+
T2+ GT2- G-
2
2
2
18
21
34
50
50
50
mA
mA
mA
T2+ G+
T2+ GT2- G-
VD = 12 V; IGT = 0.1 A
IT = 17 A
VD = 12 V; IT = 0.1 A
VD = 400 V; IT = 0.1 A; Tj = 125 ˚C
VD = VDRM(max); Tj = 125 ˚C
0.25
-
31
34
30
31
1.3
0.7
0.4
0.1
60
90
60
60
1.6
1.5
0.5
mA
mA
mA
mA
V
V
V
mA
STATIC CHARACTERISTICS
Tj = 25 ˚C unless otherwise stated
SYMBOL
PARAMETER
CONDITIONS
IGT
Gate trigger current2
VD = 12 V; IT = 0.1 A
IL
Latching current
IH
VT
VGT
Holding current
On-state voltage
Gate trigger voltage
ID
Off-state leakage current
VD = 12 V; IGT = 0.1 A
DYNAMIC CHARACTERISTICS
Tj = 25 ˚C unless otherwise stated
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
dVD/dt
Critical rate of rise of
off-state voltage
Critical rate of change of
commutating current
Gate controlled turn-on
time
VDM = 67% VDRM(max); Tj = 125 ˚C;
exponential waveform; gate open circuit
VDM = 400 V; Tj = 125 ˚C; IT(RMS) = 12 A;
without snubber; gate open circuit
ITM = 12 A; VD = VDRM(max); IG = 0.1 A;
dIG/dt = 5 A/μs
1000
4000
-
V/μs
-
24
-
A/ms
-
2
-
μs
dIcom/dt
tgt
2 Device does not trigger in the T2-, G+ quadrant.
September 2018
2
Rev 1.300
WeEn Semiconductors
Product specification
Three quadrant triacs
high commutation
20
BTA212 series B
BT138
Ptot / W
Tmb(max) / C
95
15
IT(RMS) / A
BT138
= 180
15
99 C
120
1
102.5
90
10
60
10
110
30
5
117.5
5
0
0
5
125
15
10
0
-50
0
50
Tmb / C
IT(RMS) / A
Fig.1. Maximum on-state dissipation, Ptot, versus rms
on-state current, IT(RMS), where α = conduction angle.
1000
150
Fig.4. Maximum permissible rms current IT(RMS) ,
versus mounting base temperature Tmb.
BTA212
ITSM / A
100
25
BT138
IT(RMS) / A
20
dI T /dt limit
15
100
10
I TSM
IT
T
5
time
Tj initial = 25 C max
10
10us
100us
1ms
T/s
10ms
0
0.01
100ms
Fig.2. Maximum permissible non-repetitive peak
on-state current ITSM, versus pulse width tp, for
sinusoidal currents, tp ≤ 20ms.
100
ITSM / A
80
1.6
ITSM
T
10
Fig.5. Maximum permissible repetitive rms on-state
current IT(RMS), versus surge duration, for sinusoidal
currents, f = 50 Hz; Tmb ≤ 99˚C.
BT138
IT
0.1
1
surge duration / s
VGT(Tj)
VGT(25 C)
BT136
1.4
time
Tj initial = 25 C max
1.2
60
1
40
0.8
20
0
0.6
1
10
100
Number of cycles at 50Hz
0.4
-50
1000
Fig.3. Maximum permissible non-repetitive peak
on-state current ITSM, versus number of cycles, for
sinusoidal currents, f = 50 Hz.
September 2018
0
50
Tj / C
100
150
Fig.6. Normalised gate trigger voltage
VGT(Tj)/ VGT(25˚C), versus junction temperature Tj.
3
Rev 1.300
WeEn Semiconductors
Product specification
Three quadrant triacs
high commutation
3
IGT(Tj)
IGT(25 C)
BTA212 series B
40
BTA212
Tj = 125 C
Tj = 25 C
T2+ G+
T2+ GT2- G-
2.5
BT138
IT / A
typ
max
30 Vo = 1.175 V
Rs = 0.0316 Ohms
2
20
1.5
1
10
0.5
0
-50
0
50
Tj / C
100
0
150
Fig.7. Normalised gate trigger current
IGT(Tj)/ IGT(25˚C), versus junction temperature Tj.
3
IL(Tj)
IL(25 C)
0
0.5
1
1.5
VT / V
2
2.5
3
Fig.10. Typical and maximum on-state characteristic.
10
TRIAC
2.5
BT138
Zth j-mb (K/W)
1
unidirectional
bidirectional
2
0.1
1.5
P
D
1
tp
0.01
0.5
t
0
-50
0
50
Tj / C
100
0.001
10us
150
IH(Tj)
IH(25C)
1ms
10ms
tp / s
0.1s
1s
10s
Fig.11. Transient thermal impedance Zth j-mb, versus
pulse width tp.
Fig.8. Normalised latching current IL(Tj)/ IL(25˚C),
versus junction temperature Tj.
3
0.1ms
1000
TRIAC
dIcom/dt (A/ms)
BTA212
2.5
100
2
1.5
10
1
0.5
0
-50
0
50
Tj / C
100
1
20
150
60
80
Tj / C
100
120
140
Fig.12. Typical, critical rate of change of commutating
current dIcom/dt versus junction temperature.
Fig.9. Normalised holding current IH(Tj)/ IH(25˚C),
versus junction temperature Tj.
September 2018
40
4
Rev 1.300
WeEn Semiconductors
Product specification
Three quadrant triacs
high commutation
BTA212 series B
MECHANICAL DATA
SOT78
Plastic single-ended package; heatsink mounted; 1 mounting hole; 3-lead TO-220AB
E
A
A1
p
q
mounting
base
D1
D
L1(1)
L2(1)
Q
L
b1(2)
(3×)
b2(2)
(2×)
1
2
3
b(3×)
e
c
e
0
5
10 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
A1
b
b1(2)
b2(2)
c
D
D1
E
e
L
L1(1)
L2(1)
max.
p
q
Q
mm
4.7
4.1
1.40
1.25
0.9
0.6
1.6
1.0
1.3
1.0
0.7
0.4
16.0
15.2
6.6
5.9
10.3
9.7
2.54
15.0
12.8
3.30
2.79
3.0
3.8
3.5
3.0
2.7
2.6
2.2
Notes
1. Lead shoulder designs may vary.
2. Dimension includes excess dambar.
OUTLINE
VERSION
SOT78
September 2018
REFERENCES
IEC
JEDEC
JEITA
3-lead TO-220AB
SC-46
5
EUROPEAN
PROJECTION
ISSUE DATE
08-04-23
08-06-13
Rev 1.300
WeEn Semiconductors
Legal information
Data sheet status
Document
status [1][2]
Product
status [3]
Objective
[short] data
sheet
Development This document contains data from
the objective specification for product
development.
Preliminary
[short] data
sheet
Qualification
This document contains data from the
preliminary specification.
Product
[short] data
sheet
Production
This document contains the product
specification.
[1]
[2]
[3]
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