DB4 STMicroelectronics, DB4 Datasheet - Page 2

• Manufacturer Part Number: DB4
• Description: DIAC TRIGGER DIODE DO-35
• Manufacturer: STMicroelectronics

Specifications of DB4

• Current - Peak Output: 2A
• Voltage - Breakover: 35 ~ 45V
• Current - Breakover: 50µA
• Package / Case: DO-204AH, DO-35, Axial
• Breakover Voltage Range: 35V To 45V
• Breakover Current Max.: 50µA
• Peak Forward Current: 300mA
• Thyristor Case: DO-35
• No. Of Pins: 2
• Breakover Voltage Vbo: 45 V
• Mounting Style: Through Hole
• Breakover Current Ibo Min: 50 uA
• Off-state Leakage Current @ Vdrm Idrm: 0.01 mA
• Rated Repetitive Off-state Voltage Vdrm: 36 V
• Rohs Compliant: Yes
• Breakdown Voltage Vbr: 40V
• Breakover Voltage Min: 35V
• Dc Breakover Voltage: 40V
• Forward Current If: 2A
• Vbo: 32V and 40V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Hold (ih) (max): -
• Lead Free Status / Rohs Status: Details
• Other names: 497-7223-2; DB4

DB3 DB4 SMDB3
ELECTRICAL CHARACTERISTICS (Tj = 25°C unless otherwise specified)
* Applicable to both forward and reverse directions.
** Connected in parallel to the device.
2/5
PRODUCT SELECTOR
ORDERING INFORMATION
I V
SMDB3
DB3
DB4
BO1
Symbol
V
I
V
BO
I
I
tr
BO
- V
R
P
O
V
Part Number
BO2
Surface
Mount
Version
I
Breakover voltage *
Breakover voltage
symmetry
Dynamic breakover
voltage *
Output voltage *
Breakover current *
Rise time *
Leakage current *
Peak current *
Parameter
SM DB 3
Diac Series
see diagram 2 (Gate)
V
V
BO
see diagram 2
R
see diagram 3
C = 22nF **
C = 22nF **
C = 22nF **
and V
= 0.5 V
(R=20 )
Test Conditions
28 - 36
28 - 36
35 - 45
V
F
BO
BO
at 10mA
max
MAX.
MAX.
MAX.
MAX.
MAX.
TYP.
MIN.
MIN.
MIN.
MIN.
Breakover voltage
3: V
4: V
BO
BO
SMDB3
0.50
typ = 32V
typ = 40V
28
32
36
10
10
10
1
1
Package
SOT-23
3
DB3
DO-35
DO-35
28
32
36
0.30
50
10
5
5
2
DB4
35
40
45
Unit
V
V
V
V
A
A
A
s