Document
SMD Zener Diodes
CZRV3-55C2V4-G Thru CZRV3-55C39-G
Voltage: 2.4 to 39 Volts Power: 200 mWatts RoHS Device
Features
-Planar die construction. -200mW power dissipation. -Ideally suited for automated assembly process. -Ultra small surface mount package.
Mechanical data
-Case: SOT-323, Molded plastic -Terminals: Solderable per MIL-STD-
202G,method 208 -Polarity: See diagram below -Mounting position: Any
Marking: see table on page2
SOT-323
0.087(2.20) 0.070(1.80)
3
0.054(1.35) 0.045(1.15)
1
0.056(1.40) 0.047(1.20)
2
0.006(0.15) 0.002(0.05)
0.044(1.10) 0.035(0.90)
0.087(2.20) 0.078(2.00)
0.016(0.40) 0.008(0.20)
0.004(0.10)max. 0.004(0.10)min.
Single
Dimensions in inches and (millimeter)
Maximum Ratings (TA=25°C, unless otherwise specified)
Parameter
Forward voltage drop at IF=10mA (Note 2) Power dissipation (Note 1)
Symbol
VF PD
Thermal resistance, junction to ambient air Operating junction and storage temperature range
RθJA TJ, TSTG
Note: 1. Valid provided that device terminals are kept at ambient temperature . 2. Tested with pulses, 300μS pulse width, 2% duty cycle.
Value
0.9 200
625 -65 to +150
Unit
V mW oC/W OC
QW-BZ015
Comchip Technology CO., LTD.
REV:A Page 1
SMD Zener Diodes
Electrical Characteristics(Ta = 25°C)
Part No. CZRV3-55C2V4
Nominal Zener Voltage VZ @ IZT
Nom. Min. Max. 2.4 2.20 2.60
Max. Zener Impedence
ZZT @ IZT ohm mA
ZZK @ IZK ohm mA
Max. Reverse Leakage Current
IR @ VR
uA V
Temperature Coefficient of Zener Voltage @IZT=5mA (mV/ OC)
Min. Max.
100 5.0 600 1.00 50.0 1.0
-3.5
0.0
CZRV3-55C2V7
2.7 2.50 2.90 100 5.0 600 1.00 20.0 1.0
-3.5
0.0
CZRV3-55C3V0
3.0 2.80 3.20 95 5.0 600 1.00 20.0 1.0
-3.5
0.0
CZRV3-55C3V3
3.3 3.10 3.50 95 5.0 600 1.00 5.0 1.0
-3.5
0.0
CZRV3-55C3V6
3.6 3.40 3.80 90 5.0 600 1.00 5.0 1.0
-3.5
0.0
CZRV3-55C3V9
3.9 3.70 4.10 90 5.0 600 1.00 3.0 1.0
-3.5
0.0
CZRV3-55C4V3
4.3 4.00 4.60 90 5.0 600 1.00 3.0 1.0
-3.5
0.0
CZRV3-55C4V7
4.7 4.40 5.00 80 5.0 600 1.00 3.0 2.0
-3.5
0.2
CZRV3-55C5V1
5.1 4.80 5.40 60 5.0 500 1.00 2.0 2.0
-2.7
1.2
CZRV3-55C5V6
5.6 5.20 6.00 40 5.0 480 1.00 1.0 2.0
-2.0
2.5
CZRV3-55C6V2
6.2 5.80 6.60 10 5.0 400 1.00 3.0 4.0
0.4
3.7
CZRV3-55C6V8
6.8 6.40 7.20 15 5.0 150 1.00 2.0 4.0
1.2
4.5
CZRV3-55C7V5
7.5 7.00 7.90 15 5.0 80 1.00 1.0 5.0
2.5
5.3
CZRV3-55C8v2
8.2 7.70 8.70 15 5.0 80 1.00 0.7 5.0
3.2
6.2
CZRV3-55C9v1
9.1 8.50 9.60 15 5.0 80 1.00 0.5 6.0
3.8
7.0
CZRV3-55C10
10.0 9.40 10.60
20
5.0 100 1.00 0.2
7.0
4.5
8.0
CZRV3-55C11
11.0 10.40 11.60
20
5.0 150 1.00 0.1
8.0
5.4
9.0
CZRV3-55C12
12.0 11.40 12.70
25
5.0 150 1.00 0.1
8.0
6.0
10.0
CZRV3-55C13
13.0 12.40 14.10
30
5.0 150 1.00 0.1
8.0
7.0
11.0
CZRV3-55C15
15.0 13.80 15.60
30
5.0 170 1.00 0.1 10.5
9.2
13.0
CZRV3-55C16
16.0 15.30 17.10
40
5.0 200 1.00 0.1 11.2
10.4
14.0
CZRV3-55C18
18.0 16.80 19.10
45
5.0 200 1.00 0.1 12.6
12.4
16.0
CZRV3-55C20
20.0 18.80 21.20
55
5.0 225 1.00 0.1 14.0
14.4
18.0
CZRV3-55C22
22.0 20.80 23.30
55
5.0 225 1.00 0.1 15.4
16.4
20.0
CZRV3-55C24
24.0 22.80 25.60
70
5.0 250 1.00 0.1 16.8
18.4
22.0
CZRV3-55C27
27.0 25.10 28.90
80
2.0 250 0.50 0.1 18.9
21.4
25.3
CZRV3-55C30
30.0 28.00 32.00
80
2.0 300 0.50 0.1 21.0
24.4
29.4
CZRV3-55C33
33.0 31.00 35.00
80
2.0 300 0.50 0.1 23.1
27.4
33.4
CZRV3-55C36
36.0 34.00 38.00
90
2.0 325 0.50 0.1 25.2
30.4
37.4
CZRV3-55C39
39.0 37.00 41.00 130 2.0 350 0.50 0.1 27.3
33.4
41.2
Marking Code
KRB KRC KRD KRE KRF KRG KRH KR1 KR2 KR3 KR4 KR5 KR6 KR7 KR8 KR9 KP1 KP2 KP3 KP4 KP5 KP6 KP7 KP8 KP9 KPA KPB KPC KPD KPE
QW-BZ015
Comchip Technology CO., LTD.
REV:A Page 2
SMD Zener Diodes
Ratings and Characteristic Curves(CZRV3-55C2V4-G Thru. CZRV3-55C39-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
22
10 27
33
36
0 0 10 20 30 40
VZ, Zener Voltage (V)
QW-BZ015
Comchip Technology CO., LTD.
REV:A Page 3
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