SMD Zener Diode
CZRT23C2V7-HF Thru. CZRT23C39-HF
Zener Voltage: 2.7V to 39V
Power Dissipation: 300mW
RoHS Device
Halogen Free
Features
- Dual Zeners in common anode configuration.
- 300mW power dissipation rating.
- Ideally suited for automatic insertion.
- ΔVZ for both diodes in one case is
≤5%.
- Common cathode style available see D
Z
Series.
0.056(1.40)
0.047(1.20)
0.119(3.00)
0.110(2.80)
SOT-23
3
1
0.083(2.10)
0.066(1.70)
2
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)
Circuit Diagram
0.020(0.50)
0.013(0.35)
0.006(0.15) max
0.007(0.20) min
3
Dimensions in inches and (millimeter)
1
2
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
°C/W
Operating junction temperature
T
J
-65 ~ +150
°C
Storage temperature
T
STG
-65 ~ +150
°C
Company reserves the right to improve product design , functions and reliability without notice.
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Page 1
SMD Zener Diode
ELECTRICAL CHARACTERISTIC (CZRT23C2V7-HF Thru. CZRT23C39-HF)
Zener voltage
range (1)
Type
Marking
Code
@I
ZT
=5.0mA
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
V
Z
(V)
CZRT23C2V7-HF
CZRT23C3V0-HF
CZRT23C3V3-HF
CZRT23C3V6-HF
CZRT23C3V9-HF
CZRT23C4V3-HF
CZRT23C4V7-HF
CZRT23C5V1-HF
CZRT23C5V6-HF
CZRT23C6V2-HF
CZRT23C6V8-HF
CZRT23C7V5-HF
CZRT23C8V2-HF
CZRT23C9V1-HF
CZRT23C10-HF
CZRT23C11-HF
CZRT23C12-HF
CZRT23C13-HF
CZRT23C15-HF
CZRT23C16-HF
CZRT23C18-HF
CZRT23C20-HF
CZRT23C22-HF
CZRT23C24-HF
CZRT23C27-HF
CZRT23C30-HF
CZRT23C33-HF
CZRT23C36-HF
CZRT23C39-HF
KD1
●
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
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
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
●
NOTES:
(1) Short duration test pulse used to minimize self-heating effect.
(2) f=1KHz
Company reserves the right to improve product design , functions and reliability without notice.
QW-JZ006
REV:A
Page 2
SMD Zener Diode
RATINGS and CHARACTERISTIC CURVE (CZRT23C2V7-HF Thru. CZRT23C39-HF)
Fig.1- Power Derating Curve
1.2
50
T
J
=25°C
Fig.2- Zener Breakdown Characteristics
C2V7 C3V3 C3V9 C4V7
C5V6
C6V8
Power Dissipation, (mW)
1.0
Zener Current, (mA)
40
C8V2
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
175
30
20
10
0
0
1
2
3
4
5
6
7
8
9
10
Ambient Temperature, (°C)
Zener Voltage, (V)
Fig.3- Zener Breakdown Characteristics
30
T
J
=25°C
C10
C15
C12
Zener Current, (mA)
20
C18
C22
C27
C33
C36
10
0
0
10
20
30
40
Zener Voltage, (V)
Company reserves the right to improve product design , functions and reliability without notice.
QW-JZ006
REV:A
Page 3
SMD Zener Diode
Reel Taping Specification
d
D
2
P0
P1
XXX
B
F
12
0
o
E
D
1
D
W
1
SYMBOL
A
3.15
±
0.10
0.124
±
0.004
B
2.77
±
0.10
0.109
±
0.004
C
1.22
±
0.10
0.048
±
0.004
d
1.50
+
0.10
0.059
+
0.004
D
178
±
2.00
7.008
±
0.079
D
1
54.40
±
1.00
2.142
±
0.039
D
2
13.00
±
1.00
0.512
±
0.039
SOT-23
(mm)
(inch)
SYMBOL
E
1.75
±
0.10
0.069
±
0.004
F
3.50
±
0.10
0.138
±
0.004
P
4.00
±
0.10
0.157
±
0.004
P
0
4.00
±
0.10
0.157
±
0.004
P
1
2.00
±
0.10
W
8.00
+
0.30 /
–0.10
W
1
12.30
±
1.0
SOT-23
(mm)
(inch)
0.079
±
0.004
0.315
+
0.012 /
–0.004
0.484
±
0.039
Company reserves the right to improve product design , functions and reliability without notice.
QW-JZ006
REV:A
Page 4
Comchip Technology CO., LTD.
SMD Zener Diode
Marking Code
3
XXX
●
1
2
Halogen Free
XXX = Product type marking code (see page.2)
Suggested PAD Layout
SOT-23
SIZE
(mm)
A
B
C
D
E
0.80
1.90
2.02
2.82
0.80
(inch)
0.031
0.075
0.080
0.111
0.031
E
A
C
D
B
Standard Packaging
REEL PACK
Case Type
REEL
( pcs )
Reel Size
(inch)
SOT-23
3,000
7
Company reserves the right to improve product design , functions and reliability without notice.
QW-JZ006
REV:A
Page 5
Comchip Technology CO., LTD.
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