MINIMELF
Product status link
TMMDB3TG
Product summary
Order code
TMMDB3TG
V
BO
30 - 34 V
TMMDB3TG
Datasheet
Diac in MINIMELF package with tight V
BO
Features
• V
BO
: 32 V
• Low breakover voltage: 15 µA max.
• Breakover voltage range: 30 to 34 V
Applications
• General purpose AC line load switching
• Motor control circuits
• Home appliances
• Heating
• Lighting
• Inrush current limiting circuits
• Overvoltage crowbar protection
Description
Functioning as a trigger diode with a fixed voltage reference, the TMMDB3TG can be used in conjunction with Triacs for simplified gate control circuits or as a starting element in fluorescent lamp ballasts.
DS0700 - Rev 3 - May 2019
For further information contact your local STMicroelectronics sales office.
www.st.com
1
TMMDB3TG
Characteristics
Characteristics
Table 1. Absolute maximum ratings (limiting values), T j
= 25 °C unless otherwise specified
Symbol
I
TRM
T stg
T j
Parameter
Repetitive peak on-state current, t p
= 20 µs, F = 120 Hz
Storage junction temperature range
Operating junction temperature range
Value
2
-40 to +125
-40 to +125
Unit
A
°C
°C
Symbol
V
BO
Table 2. Electrical characteristics (T j
= 25 °C unless otherwise specified)
Parameter Test conditions
Breakover voltage (1)
I V
BO1
- V
BO2
I Breakover voltage symmetry
Δ V
Dynamic breakover voltage (1)
V
O
I
BO t r
I
R
I
P
Output voltage
Rise time
(1)
Peak current
(1)
(1)
Breakover current
Leakage current (1)
(1)
1. Applicable to both forward and reverse directions.
2. Connected in parallel to the device
C = 10 nF
(2)
C = 10 nF
(2)
V
BO
and V
F
at 10 mA
See Figure 2. Test circuit , (R = 20 Ω)
C = 10 nF
(2)
See Figure 3. Rise time measurement
V
R
= 0.5 x V
BO
max
See Figure 2. Test circuit
Min.
Typ.
Max.
Max.
Min.
Min.
Max.
Max.
Max.
2
10
Min.
0.30
Value Unit
30
32
34
2
V
V
9
5
15
V
V
µA
µs
µA
A
Figure 1. Voltage - current characteristic curve.
10 mA
+IF
V
IBO
IR
VF
0,5 VBO
Δ V
VBO
+ V
- IF
DS0700 - Rev 3 page 2/9
DS0700 - Rev 3
Figure 2. Test circuit
10 k Ω 500 k Ω D.U.T
Rs = 0
220 V
50 Hz
C = 0.1 µF
Vo
R = 20 Ω
IP
T410
Figure 3. Rise time measurement l p
90 %
TMMDB3TG
Characteristics
10 % tr page 3/9
TMMDB3TG
Characteristics (curves)
1.1
Characteristics (curves)
Figure 4. Relative variation of V
BO
versus junction temperature (typical values)
1,05
V
BO
[T j
] / V
BO
[T j
=25 °C]
1,00
0,95
0,90
0,85
0,80
-40 -20 0 20 40 60 80 100
T j
(°C)
120
Figure 5. Peak on-state current versus Triac gate current pulse duration t p
10.0
ITRM(A) f =120 Hz
Tj initial = 25°C
1.0
0.1
1 10 tp(µs)
100
Note:
Figure 6. Triac gate current pulse duration t p
(to have I
P
> 50 mA) versus Rs and C values (typical values)
50E-6 tp (s)
68 Ω
40E-6
30E-6
33 Ω
47 Ω
20E-6
22 Ω
10E-6
10 Ω
00E+0
10E-9 100E-9
0 Ω
C (F)
1E-6 according to Figure 2. Test circuit
DS0700 - Rev 3 page 4/9
2
2.1
TMMDB3TG
Package information
Package information
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com
. ECOPACK is an ST trademark.
Minimelf package information
Figure 7. MINIMELF package outline
A
ØB
Dim.
C
D
A
B
ØD
C C
Min.
3.30
1.59
0.40
Table 3. MINIMELF package mechanical data mm
Typ.
3.50
1.65
0.50
1.50
Max.
3.70
1.70
0.60
Min.
0.130
0.063
0.016
Typ.
0.138
0.065
0.020
0.059
Max.
0.146
0.067
0.024
DS0700 - Rev 3 page 5/9
TMMDB3TG
MINIMELF package information
Figure 8. MINIMELF recommended footprint (dimensions are in mm)
DS0700 - Rev 3 page 6/9
3
TMMDB3TG
Ordering information
Ordering information
Figure 9. Ordering information scheme
TMM DB 3 TG
MINIMELF
Diac Series
Breakover voltage
3: V
BO
typ = 32V
Special V
BO
range
Order code
TMMDB3TG
Marking
(None)
Table 4. Ordering information
Package
Minimelf
Weight
0.04 g
Base qty.
2500
Delivery mode
Tape and reel
DS0700 - Rev 3 page 7/9
TMMDB3TG
Revision history
Date
January-2001
07-May-2019 3
Table 5. Document revision history
Version
2
Changes
Previous release.
Updated Section 1.1 Characteristics (curves)
and Table 3. MINIMELF package mechanical data . Minor text change to improve readability.
DS0700 - Rev 3 page 8/9
TMMDB3TG
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DS0700 - Rev 3 page 9/9
