Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
SILIICON PLANAR ZENER DIODES
CMBZ5229B to CMBZ5261B
4.3V to 47V
3
3
SOT-23
Formed SMD Package
Pin Configuration
1 = ANODE
2 = N C
3 = CATHODE
2
1
2
1
Low voltage general purpose voltage regulator diodes.
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
DESCRIPTION
SYMBOL
VALUE
UNIT
VZ
4.3 to 47
Working Voltage Range
V
+ 5
300
2.4
Working Voltage Tolerance
Power Dissipation upto Ta=25ºC
Derate Above 25ºC
%
*Ptot
mW
mW/ºC
°C/mW
Rth (j-a)
**Ptot
417
Thermal Resistance Junction to Ambient
Power Dissipation upto Ta=25ºC
Derate Above 25ºC
225
1.8
mW
mW/ºC
°C/mW
Rth (j-a)
Tj
556
Thermal Resistance Junction to Ambient
150
Junction Temperature
Storage Temperature
°C
°C
Tstg
- 55 to +150
* Device mounted on a ceramic alumina of 8mm x 10mm x 0.7 mm
** Device mounted on an FR5 printed - circuit board
Forward Voltage at IF=10mA
VF < 0.9 V & VF at 200mA <1.5V
ELECTRICAL CHARACTERISTICS (Ta=25°C unless specified otherwise)
ZZK
IZ =0.25mA
ZZT
IZ=IZT
at 10% Mod
IR
at VR
Device
Zener
Voltage
VZ ( + 5%)
Test
Current
IZT
Marking
Ta= 25ºC
Note1
Nominal
4.3
Max
W
Max
W
22
19
17
11
7
7
5
6
8
Max
mA
5.0
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
0.5
0.1
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
V
CMBZ5229B
CMBZ5230B
CMBZ5231B
CMBZ5232B
CMBZ5233B
CMBZ5234B
CMBZ5235B
CMBZ5236B
CMBZ5237B
CMBZ5238B
CMBZ5239B
CMBZ5240B
CMBZ5241B
CMBZ5242B
CMBZ5243B
CMBZ5244B
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
8.4
9.1
9.9
10
8D
8E
8F
8G
8H
8J
4.7
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
8K
8L
8M
8N
8P
8Q
8R
8S
8T
8U
8
10
17
22
30
13
15
Note1: Pulse Test 20ms < tp < 50ms
CMBZ5229B_61BRev_1 290306E
Data Sheet
Page 1 of 4
Continental Device India Limited