SMD Zener Diode
CZRW4678-G Thru. CZRW4717-G
Voltage: 1.8 to 43 Volts
Power: 350mW
RoHS Device
Features
- For surface mounted applications.
- Wide zener reverse voltage range.
- Small package size for high density applications.
- ESD Rating of class 3(>16KV) per human body model.
- Maximum case temperature for soldering purposes:
260°C for 10 Seconds
0.026(0.65)
0.018(0.45)
0.067(1.70)
0.059(1.50)
0.152(3.85)
0.140(3.55)
SOD-123
Mechanical data
- Case: SOD-123, Void-free, transfer-molded,
Thermosetting plastic case.
- Finish: Corrosion resistant finish, easily solderable.
- Terminals: Solder Plated,solderable per
MIL-STD-750,method 2026.
- Polarity: Cathode band.
- Weight: 0.01 grams(approx.).
0.049(1.25)
0.041(1.05)
0.110(2.80)
0.102(2.60)
0.006 (0.15)
0.003 (0.08)
0.004(0.10) Max.
0.020 (0.50) REF
Dimensions in inches and (millimeter)
Circuit diagram
Maximum Rating
(@T
A
=25°C unless otherwise specified)
Parameter
Maximum forward voltage
Maximum power dissipation
Thermal resistance, Junction to ambient air
Junction temperature range
Storage temperature range
@ IF=10mA
Symbol
V
F
P
D
R
θJA
T
J
T
STG
2
Value
0.9
350
357
-65 to +150
-65 to +150
Unit
V
mW
°C/W
°C
°C
Notes: Device mounted on ceramic PCB; 5.0mm*7.0mm with pad areas 35mm
.
Company reserves the right to improve product design , functions and reliability without notice.
QW-BZ027
REV:C
Page 1
Comchip Technology CO., LTD.
SMD Zener Diode
Electrical Characteristics
( at T
A
= 25°C unless otherwise noted)
Zener Voltage (Note 1)
Part Number
Min
CZRW4678-G
CZRW4679-G
CZRW4680-G
CZRW4681-G
CZRW4682-G
CZRW4683-G
CZRW4684-G
CZRW4685-G
CZRW4686-G
CZRW4687-G
CZRW4688-G
CZRW4689-G
CZRW4690-G
CZRW4691-G
CZRW4692-G
CZRW4693-G
CZRW4694-G
CZRW4695-G
CZRW4696-G
CZRW4697-G
CZRW4698-G
CZRW4699-G
CZRW4700-G
CZRW4701-G
CZRW4702-G
CZRW4703-G
CZRW4704-G
CZRW4705-G
CZRW4706-G
CZRW4707-G
CZRW4708-G
CZRW4709-G
CZRW4710-G
CZRW4711-G
CZRW4712-G
CZRW4713-G
CZRW4714-G
CZRW4715-G
CZRW4716-G
CZRW4717-G
1.71
1.90
2.09
2.28
2.565
2.85
3.13
3.42
3.70
4.09
4.47
4.85
5.32
5.89
6.46
7.13
7.79
8.27
8.65
9.50
10.45
11.40
12.35
13.30
14.25
15.20
16.15
17.10
18.05
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
40.85
V
Z
(Volts)
Nom
1.8
2.0
2.2
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
Max
1.89
2.10
2.31
2.52
2.835
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.51
7.14
7.88
8.61
9.14
9.56
10.50
11.55
12.60
13.65
14.70
15.75
16.80
17.85
18.90
19.95
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
@I
ZT
µA
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
µA
7.5
5
4
2
1
0.8
7.5
7.5
5
4
10
10
10
10
10
10
1
1
1
1
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
Leakage Current
I
R
@V
R
Volts
1
1
1
1
1
1
1.5
2
2
2
3
3
4
5
5.1
5.7
6.2
6.6
6.9
7.6
8.4
9.1
9.8
10.6
11.4
12.1
12.9
13.6
14.4
15.2
16.7
18.2
19.0
20.4
21.2
22.8
25.0
27.3
29.6
32.6
CC
CD
CE
CF
CH
CJ
CK
CM
CN
CP
CT
CU
CV
CA
CX
CY
CZ
DC
DD
DE
DF
DH
DJ
DK
DM
DN
DP
DT
DU
DV
DA
DX
DY
EA
EC
ED
EE
EF
EH
EJ
Marking
Code
Notes: 1. Nominal Zener voltage is measured with the device junction in thermal equilibrium at T
L
=30°C ±1°C
Company reserves the right to improve product design , functions and reliability without notice.
QW-BZ027
REV:C
Page 2
Comchip Technology CO., LTD.
SMD Zener Diode
RATING AND CHARACTERISTIC CURVES ( CZRW4678-G Thru. CZRW4717-G )
Fig.1 - Forward characteristics
100.00
Fig.2 -
Reverse
characteristic
10,0000
Forward current, (mA )
50 C
75 C
O
O
10.00
O
Reverse
current, ( uA )
1.0000
0.1000
25 C
O
100 C
125 C
O
0.0100
50 C
125 C
O
O
1.00
0.0010
75 C
25 C
O
O
100 C
O
0.10
0.0
0.0001
0.4
0.8
1.2
1.0
1.5
2.0
2.5
3.0
Forward voltage, (V)
Reverse voltage, (V)
Fig.3 - Capacitance between
terminals characteristics
Capacitance between terminals, (
P
F)
1.5
f = 1 MHz
Ta = 25°C
Fig.4 - Power derating
0.6
0.5
1.2
forward current, (A)
0.4
0.9
0.3
0.2
0.1
0
0.6
0.3
0
1.5
3.0
4.5
25
50
75
100
O
125
Reverse voltage, (V)
Ambient temperature, ( C)
Company reserves the right to improve product design , functions and reliability without notice.
QW-BZ027
REV:C
Page 3
Comchip Technology CO., LTD.
SMD Zener Diode
Reel Taping Specification
T
SOD-123
SOD-123
Company reserves the right to improve product design , functions and reliability without notice.
QW-BZ027
XX
C
12
0
o
D
2
D
1
D
W
1
SYMBOL
A
1.85 ± 0.05
0.073 ± 0.002
B
3.94 ± 0.05
0.155
±
0.002
C
1.57 ± 0.05
0.062 ± 0.002
d
1.55 ± 0.10
0.061 ± 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
(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
(mm)
(inch)
0.079 ± 0.004
0.315
+
0.012 /
–0.004
0.484
±
0.039
REV:C
Page 4
Comchip Technology CO., LTD.
SMD Zener Diode
Marking Code
Part Number
CZRW4678-G Thru.
CZRW4717-G Series
Marking Code
XX
XX
1.
XXX: Marking code (see Page.2)
2.
▌
:
Cathod Band
Suggested PAD Layout
SOD-123
SIZE
(mm)
A
B
C
D
E
3.24
0.80
1.00
4.04
2.44
(inch)
0.128
0.031
0.039
0.159
0.096
D
A
E
C
B
Standard Packaging
REEL PACK
Case Type
REEL
( pcs )
Reel Size
(inch)
SOD-123
3,000
7
Company reserves the right to improve product design , functions and reliability without notice.
QW-BZ027
REV:C
Page 5
Comchip Technology CO., LTD.
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