Document
SMD Zener Diodes
CZRH3-55C2V4-G Thru. CZRH3-55C39-G
Voltage: 2.4 to 39 Volts Power: 150 mWatts RoHS Device
Features
-Planar die construction. -150mW power dissipation. -Ultra small surface mount package. -Lead free/RoHS compliant.
Mechanical data
-Case: SOT-523, Molded plastic -Terminals: Solderable per MIL-STD-
202G,method 208 -Polarity: See diagram below -Mounting position: Any
SOT-523
0.067(1.70) 0.059(1.50)
0.033(0.85) 0.030(0.75)
1
0.043(1.10) 0.035(0.90)
3 2
0.008(0.20) 0.004(0.10)
0.031(0.80) 0.024(0.60)
0.069(1.75) 0.057(1.45)
Marking: see table on page2
0.012(0.30) 0.006(0.15)
0.004(0.10)max. 0.004(0.10)min.
Single 3
Dimensions in inches and (millimeter)
12
Maximum Ratings (TA=25°C, unless otherwise specified)
Parameter
Forward voltage at IF=10mA (Note 2) Power dissipation (Note 1) Thermal resistance, junction to ambient air
Operating junction and storage temperature range
Note: 1. Device mounted on FR-4 PC board with recommended pad layout.
Symbol
VF PD
RθJA TJ, TSTG
Value
0.9 150
833 -65 to +150
Unit
V mW oC/W OC
QW-BZ017
Comchip Technology CO., LTD.
REV:A Page 1
SMD Zener Diodes
Electrical Characteristics(Ta = 25°C)
Part No. CZRH3-55C2V4
Nominal Zener Voltage VZ @ IZT
Nom. Min. Max. 2.4 2.20 2.60
Max. Zener Impedence
ZZT @ IZT
ZZK @ IZK
Max. Reverse Leakage Current
IR @ VR
ohm mA ohm mA
uA
V
100
5.0
600 1.00 50.0
1.0
Temperature Coefficient of Zener Voltage @IZT=5mA (mV/ OC)
Min. Max.
-3.5 0.0
CZRH3-55C2V7
2.7 2.50 2.90 100
5.0
600 1.00 20.0
1.0
-3.5
0.0
CZRH3-55C3V0
3.0 2.80 3.20 95 5.0 600 1.00 20.0 1.0
-3.5
0.0
CZRH3-55C3V3
3.3 3.10 3.50 95 5.0 600 1.00 5.0 1.0
-3.5
0.0
CZRH3-55C3V6
3.6 3.40 3.80 90 5.0 600 1.00 5.0 1.0
-3.5
0.0
CZRH3-55C3V9
3.9 3.70 4.10 90 5.0 600 1.00 3.0 1.0
-3.5
0.0
CZRH3-55C4V3
4.3 4.00 4.60 90 5.0 600 1.00 3.0 1.0
-3.5
0.0
CZRH3-55C4V7
4.7 4.40 5.00 80 5.0 600 1.00 3.0 2.0
-3.5
0.2
CZRH3-55C5V1
5.1 4.80 5.40 60 5.0 500 1.00 2.0 2.0
-2.7
1.2
CZRH3-55C5V6
5.6 5.20 6.00 40 5.0 480 1.00 1.0 2.0
-2.0
2.5
CZRH3-55C6V2
6.2 5.80 6.60 10 5.0 400 1.00 3.0 4.0
0.4
3.7
CZRH3-55C6V8
6.8 6.40 7.20 15 5.0 150 1.00 2.0 4.0
1.2
4.5
CZRH3-55C7V5
7.5 7.00 7.90
15
5.0
80 1.00 1.0
5.0
2.5
5.3
CZRH3-55C8v2
8.2 7.70 8.70
15
5.0
80 1.00 0.7
5.0
3.2
6.2
CZRH3-55C9v1
9.1 8.50 9.60
15
5.0
80 1.00 0.5
6.0
3.8
7.0
CZRH3-55C10
10.0 9.40 10.60
20
5.0 100 1.00 0.2 7.0
4.5
8.0
CZRH3-55C11
11.0 10.40 11.60
20
5.0 150 1.00 0.1 8.0
5.4
9.0
CZRH3-55C12
12.0 11.40 12.70
25
5.0 150 1.00 0.1 8.0
6.0
10.0
CZRH3-55C13
13.0 12.40 14.10
30
5.0 150 1.00 0.1 8.0
7.0
11.0
CZRH3-55C15
15.0 13.80 15.60
30
5.0 170 1.00 0.1 10.5
9.2
13.0
CZRH3-55C16
16.0 15.30 17.10
40
5.0 200 1.00 0.1 11.2
10.4
14.0
CZRH3-55C18
18.0 16.80 19.10
45
5.0 200 1.00 0.1 12.6
12.4
16.0
CZRH3-55C20
20.0 18.80 21.20
55
5.0 225 1.00 0.1 14.0
14.4
18.0
CZRH3-55C22
22.0 20.80 23.30
55
5.0 225 1.00 0.1 15.4
16.4
20.0
CZRH3-55C24
24.0 22.80 25.60
70
5.0 250 1.00 0.1 16.8
18.4
22.0
CZRH3-55C27
27.0 25.10 28.90
80
2.0 250 0.50 0.1 18.9
21.4
25.3
CZRH3-55C30
30.0 28.00 32.00
80
2.0 300 0.50 0.1 21.0
24.4
29.4
CZRH3-55C33
33.0 31.00 35.00
80
2.0 300 0.50 0.1 23.1
27.4
33.4
CZRH3-55C36
36.0 34.00 38.00
90
2.0 325 0.50 0.1 25.2
30.4
37.4
CZRH3-55C39
39.0 37.00 41.00
130
2.0
350 0.50 0.1 27.3
33.4
41.2
Marking Code
RB RC RD RE RF RG RH R1 R2 R3 R4 R5 R6 R7 R8 R9 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE
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Comchip Technology CO., LTD.
REV:A Page 2
SMD Zener Diodes
Ratings and Characteristic Curves(CZRH3-55C2V4-G Thru. CZRG3-55C39-G)
PD, Power Dissipation (W)
Fig.1 Power Dissipation Derating Curve
0.4
0.3
0.2
0.1
0 0 25 50 75 100 125 150
TA, Ambient Temperature ( OC)
ΙΖ, Zener Current (mA)
Fig.2 Zener Breakdown Characteristics
50
TJ=25 OC
40
30
2V7 3V9 5V6
3V3 4V7
6V8
8V2
20
Test current IZ=5mA
10
0 0 1 2 3 4 5 6 7 8 9 10
VZ, Zener Voltage (V)
IZ, Zener Current (mA)
Fig.3 Zener Breakdown Characteristics
30
10 12
TJ=25 OC
20 15
18
10 Test current
IZ=5mA
22 27 33
36
0 0 10 20 30 40
VZ, Zener Voltage (V)
QW-BZ017
Comchip Technology CO., LTD.
REV:A Page 3
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