ST TMMDB3 User Manual
® |
TMMDB3 |
DIAC
FEATURES
■VBO : 32V
■Breakover voltage range: 28 to 36V
DESCRIPTION
Functioning as a trigger diode with a fixed voltage reference, the TMMDB3 can be used in conjunction with triacs for simplified gate control circuits or as a starting element in fluorescent lamp ballasts.
ABSOLUTE MAXIMUM RATINGS (limiting values)
MINIMELF
Symbol |
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Parameter |
Value |
Unit |
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ITRM |
Repetitive peak on-state current |
2 |
A |
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tp = 20 μs |
F= 120 Hz |
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Tstg |
Storage temperature range |
- 40 to + 125 |
°C |
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Tj |
Operating junction temperature range |
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March 2001 - Ed: 3A |
1/4 |
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TMMDB3
ELECTRICAL CHARACTERISTICS (Tj = 25°C unless otherwise specified)
Symbol |
Parameter |
Test Conditions |
Value |
Unit |
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VBO |
Breakover voltage * |
C = 22nF ** |
MIN. |
28 |
V |
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TYP. |
32 |
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MAX. |
36 |
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I VBO1 - VBO2 I |
Breakover voltage |
C = 22nF ** |
MAX. |
± 3 |
V |
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symmetry |
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V |
Dynamic breakover |
VBO and VF at |
MIN. |
5 |
V |
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voltage * |
10mA |
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VO |
Output voltage * |
see diagram 2 |
MIN. |
5 |
V |
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(R=20Ω) |
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IBO |
Breakover current * |
C = 22nF ** |
MAX. |
50 |
μA |
tr |
Rise time * |
see diagram 3 |
MAX. |
2 |
μs |
IR |
Leakage current * |
VR = 0.5 VBO max |
MAX. |
10 |
μA |
*Applicable to both forward and reverse directions.
**Connected in parallel to the device.
ORDERING INFORMATION
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TMM DB |
3 |
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MINIMELF |
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Breakover voltage |
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Diac Series |
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3: VBO typ = 32V |
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OTHER INFORMATION
Part Number |
Marking |
Weight |
Base Quantity |
Packing Mode |
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TMMDB3 |
(None) |
0.04 g |
2500 |
Tape & Reel |
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2/4
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