SMD Zener Diode
CZRT23C2V7-G Thru. CZRT23C39-G
Zener Voltage: 2.7V to 39V
Power Dissipation: 300mW
RoHS Device
Features
-Dual Zeners in common anode configuration.
-300mW power dissipation rating.
-Ideally suited for automatic insertion.
0.056(1.40)
0.119(3.00)
0.110(2.80)
SOT-23
3
0.047(1.20)
-ΔVZ for both diodes in one case is <=5%.
1
0.083(2.10)
2
0.066(1.70)
Mechanical Data
-Case: SOT-23 mold plastic
0.044(1.10)
0.035(0.90)
0.006(0.15)
0.002(0.05)
0.103(2.60)
0.086(2.20)
Diagram
0.020(0.50)
0.013(0.35)
0.006(0.15) max
0.007(0.20) min
Dimensions in inches and (millimeter)
Maximum Ratings
(at Ta=25°C unless otherwise noted)
Parameter
Power dissipation
Symbol
P
D
Value
300
Unit
mW
Thermal Resistance, junction to ambient
R
θJA
417
O
C/W
Operating junction temperature
T
J
-65 ~ +150
O
C
Storage temperature
T
STG
-65 ~ +150
O
C
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Page 1
SMD Zener Diode
ELECTRICAL CHARACTERISTIC (CZRT23C2V7-G Thru. CZRT23C39-G)
Zener voltage
range (1)
Type
Marking
Code @I
ZT
=5.0mA
V
Z
(V)
CZRT23C2V7-G
CZRT23C3V0-G
CZRT23C3V3-G
CZRT23C3V6-G
CZRT23C3V9-G
CZRT23C4V3-G
CZRT23C4V7-G
CZRT23C5V1-G
CZRT23C5V6-G
CZRT23C6V2-G
CZRT23C6V8-G
CZRT23C7V5-G
CZRT23C8V2-G
CZRT23C9V1-G
CZRT23C10-G
CZRT23C11-G
CZRT23C12-G
CZRT23C13-G
CZRT23C15-G
CZRT23C16-G
CZRT23C18-G
CZRT23C20-G
CZRT23C22-G
CZRT23C24-G
CZRT23C27-G
CZRT23C30-G
CZRT23C33-G
CZRT23C36-G
CZRT23C39-G
KD1
KD2
KD3
KD4
KD5
KD6
KD7
KD8
KD9
KDA
KDB
KDC
KDD
KDE
KDF
KDG
KDH
KDI
KDJ
KDK
KDL
KDM
KDN
KDO
KDP
KDQ
KDR
KDS
KDT
2.5~2.9
2.8~3.2
3.1~3.5
3.4~3.8
3.7~4.1
4.0~4.6
4.4~5.0
4.8~5.4
5.2~6.0
5.8~6.6
6.4~7.2
7.0~7.9
7.7~8.7
8.5~9.6
9.4~10.6
10.4~11.6
11.4~12.7
12.4~14.1
13.8~15.6
15.8~17.1
16.8~19.1
18.8~21.2
20.8~23.3
22.8~25.6
25.1~28.9
28~32
31~35
34~38
37~41
Maximum Zener impedance (2)
@I
ZT
=5.0mA
Z
ZT
(Ω)
83
95
95
95
95
95
78
60
40
10
8
7
7
10
15
20
20
25
30
40
50
50
55
80
80
80
80
90
90
@I
ZK
=1.0mA
Z
ZK
(Ω)
500
500
500
500
500
500
500
480
400
200
150
50
50
50
70
70
90
110
110
170
170
220
220
220
250
250
250
250
300
Min. reverse
Typical
temperature voltage (1)
coefficient
@I
R
=0.1μA
T
C
(%/ °C)
-0.065
-0.060
-0.055
-0.055
-0.050
-0.035
-0.015
0.005
0.020
0.030
0.045
0.050
0.055
0.065
0.065
0.070
0.080
0.080
0.090
0.090
0.090
0.090
0.090
0.090
0.090
0.090
0.090
0.090
0.110
V
R
(V)
---
---
---
---
---
---
---
0.8
1.0
2.0
3.0
5.0
6.0
7.0
7.5
8.5
9.0
10.0
11.0
12.0
14.0
15.0
17.0
18.0
20.0
22.5
25.0
27.0
29.0
NOTES:
(1) Short duration test pulse used to minimize self-heating effect.
(2) f=1KHz
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Page 2
SMD Zener Diode
RATINGS and CHARACTERISTIC CURVE (CZRT23C2V7-G Thru. CZRT23C39-G)
Fig.1 Power Derating Curve
1.2
50
T
J
=25 C
O
Fig.2 Zener Breakdown Characteristics
C2V7 C3V3 C3V9 C4V7
C5V6
C6V8
P
D
, Power Dissipation (mW)
1.0
I
Z
, Zener Current (mA)
40
C8V2
0.8
0.6
30
0.4
20
0.2
0
0
25
50
75
100
125
O
10
0
150
175
0
1
2
3
4
5
6
7
8
9
10
Ta, Ambient Temperature (
C)
V
Z
, Zener Voltage (V)
Fig.3 Zener Breakdown Characteristics
30
T
J
=25 C
C10
C15
O
C12
I
Z
, Zener Current (mA)
20
C18
C22
C27
C33
C36
10
0
0
10
20
30
40
V
Z
, Zener Voltage (V)
REV:A
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Page 3
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