NOT RECOMMENDED FOR NEW DESIGNS
MCC
Micro Commercial Components
TM
omponents
20736 Marilla
Street Chatsworth
!"#
$
% !"#
DB3/DC34
AND
DB4
SILICON
BIDIRECTIONAL
DIAC
DO-35G
Features
l
The three layer, two terminal, axial lead, hermetically sealed
diacs are designed specifically for triggering thyristors.
•
•
l
Lead Free Finish/Rohs Compliant (Note1) ("P"Suffix designates
Compliant. See ordering information)
Moisture Sensitivity: Level 1
These diacs are intended for use in thyrisitors phase control ,
circuits for lamp dimming, universal motor speed control ,and
heat control. Type number is marked.
Maximum Ratings
l
l
l
l
Electrical Characteristics @ 25
o
C Unless Otherwise Specified
Power dissipation
on Printed
Circuit(l=10mm)
Repetitive Peak
on-state Current
DB3,DC34,DB4
Breakover Voltage
DB3
DC34
DB4
Dynamic Breakover
Voltage (Note 2)
Δ
V
Operating Temperature: -40 C to +125 C
o
o
Storage Temperature: -40 C to +125 C
Thermal Resistance Junction to Lead:167
o
C/W
o
Thermal Resistance Junction to Ambient: 400 C/W
o
o
D
P
C
150mW
T
A
=65
o
C
tp=10us, f=100HZ
A
I
TRM
2.0A
Min Typ Max
28 32 36V
30 34 38V
35 40 45V
B
D
V
BO
C=22nF(Note 3)
C
5V(Min.)
V
BO
and V
F
at10mA
Breakover Voltage
|+V
BO
|
Symmetry
DB3, DC34, DB4
-|-V
BO
|
±3V
5V
100µA
1.5us
10µA
C=22nF(Note 3)
INCHES
DIM
A
B
C
D
MIN
---
---
---
1.083
DIMENSIONS
MM
MAX
.150
.079
.020
---
MIN
---
---
---
27.50
MAX
3.8
2.00
.52
---
NOTE
Output
Voltage(Note 2)
Breakover
Current(Note 2)
Rise Time(Note 2)
V
o(min)
I
BO(max)
T
r
I
B(max)
C=22nF
Leakage
Current(Note 2)
Note:
V
B
=0.5V
BO(max)
1. Lead in Glass Exemption Applied, see EU Directive Annex 7(C)-I.
2. Electrical characteristics applicable in both forward and
reverse directions.
3. Connected in parallel with the devices.
Revision: C
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1 of 3
2012/06/20
Typical Performance Characteristics
MCC
Micro Commercial Components
V
BO
: Break-Over Voltage
: Break-Over Current
: Dynamic Breakover Voltage
: Leakage Current at V
B
=0.5*V
BO
: Voltage at Current I
F
=10mA
TM
I
F
=10m
I
BO
I
B
0.5V
BO
I
BO
V
I
B
V
BO
V
F
V
V
F
Diagram 1 : Test circuit
Figure 1. Admissible Power Dissipation Curve
160
Power Dissipation (mW)
120
80
40
0
0
10 20 30 40 50 60 70 80 90 100 110 120 130
Ambient Tempeatature (
o
C)
Figure 2. Relative Variation of VBO versus
Junction Temperature
1.08
Figure 3. Repetitive Peak Pulse Current versus
Pulse Duration (maximum values)
Repetitive peak pulse current (A)
100
V
BO
[Tj] / V
BO
[Tj=25°C]
1.07
1.06
1.05
1.04
1.03
1.02
1.01
1.00
25
50
75
100
125
10
1
0.1
1
10
100
Tj(°C)
tp ( s)
Revision: C
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2012/06/20
MCC
Micro Commercial Components
TM
Ordering Information :
Device
Part Number-TP
Part Number-AP
Part Number-BP
Packing
Tape&Reel:
5Kpcs/Reel
Ammo Packing: 5Kpcs/Ammo Box
Bulk:
100Kpcs/Carton
***IMPORTANT NOTICE***
Micro Commercial Components Corp.
reserves the right to make changes without further notice to any product herein to
make corrections, modifications , enhancements , improvements , or other changes .
Micro Commercial Components
Corp .
does not assume any liability arising out of the application or use of any product described herein; neither does it
convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all
risks of such use and will agree to hold
Micro Commercial Components Corp .
and all the companies whose products are
represented on our website, harmless against all damages.
***LIFE SUPPORT***
MCC's products are not authorized for use as critical components in life support devices or systems without the express written
approval of Micro Commercial Components Corporation.
***CUSTOMER AWARENESS***
Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking
strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages
customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on
our web page cited
below.
Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine
parts, have full traceability, meet MCC's quality standards for handling and storage.
MCC will not provide any warranty
coverage or other assistance for parts bought from Unauthorized Sources.
MCC is committed to combat this global
problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized
distributors.
Revision:
C
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of
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