COMCHIP CZRT5255B-HF

COMCHIP
SMD Zener Diode
SMD Diodes Specialist
CZRT5221B-HF Thru CZRT5267B-HF
Voltage: 2.4 to 39 Volts
Power: 350 mWatts
RoHS Device
Features
SOT-23
Halogen free.
Planar die construction
350mW power dissipation on FR-4 PCB
0.119(3.00)
0.110(2.80)
3
Ideally suited for automated assembly
process
0.056(1.40)
0.047(1.20)
1
General purpose, medium current
2
0.079(2.00)
0.071(1.80)
Mechanical data
Case: SOT-23, Molded plastic
0.006(0.15)
0.002(0.05)
Terminals: Solderable per MIL-STD202G,method 208
0.041(1.05)
0.100(2.55)
0.035(0.90)
0.089(2.25)
Polarity: See diagram below
0.004(0.10) max
Mounting position: Any
0.020(0.50)
0.008(0.20) min
0.012(0.30)
Marking: see table on page2
Weight: 0.0078 gram(approx.).
Dimensions in inches and (millimeter)
Single
Electrical Characteristics (TA=25°C, unless otherwise specified)
Symbol
Value
Unit
Forward voltage drop at IF=10mA
VF
0.9
V
Power dissipation (Notes A),TA = 25°C
PD
350
mW
RθJA
357
TJ
-65 to +150
Parameter
Thermal resistance, junction to ambient air (Notes A)
Operating junction and storage temperature range
o
C/W
O
C
Notes:
A. Valid provided that device terminals are kept at ambient temperature.
B. Tested with pulses, Tp≤1.0mS.
REV:A
Page 1
QW-JZ002
Comchip Technology CO., LTD.
COMCHIP
SMD Zener Diode
SMD Diodes Specialist
Electrical Characteristics(Ta = 25°C)
Part Number
Zener Voltage
Operating
Resistance
Rising Operating
Resistance
Reverse Current
VZ(V)@IZT
ZZT(Ohm)
ZZK(Ohm)
IR(uA)
Marking
Code
Min.
Nom.
Max.
Max.
IZT(mA)
Max.
IZK(mA)
Max.
VR(V)
CZRT5221B-HF
2.28
2.4
2.52
30
20.0
1200
0.25
100
1.0
KC1
CZRT5222B-HF
2.38
2.5
2.63
30
20.0
1250
0.25
100
1.0
KC2
CZRT5223B-HF
2.57
2.7
2.84
30
20.0
1300
0.25
75
1.0
KC3
CZRT5225B-HF
2.85
3.0
3.15
30
20.0
1600
0.25
50
1.0
KC5
CZRT5226B-HF
3.14
3.3
3.47
28
20.0
1600
0.25
25
1.0
KG1
CZRT5227B-HF
3.42
3.6
3.78
24
20.0
1700
0.25
15
1.0
KG2
CZRT5228B-HF
3.71
3.9
4.10
23
20.0
1900
0.25
10
1.0
KG3
CZRT5229B-HF
4.09
4.3
4.52
22
20.0
2000
0.25
5.0
1.0
KG4
CZRT5230B-HF
4.47
4.7
4.94
19
20.0
1900
0.25
5.0
2.0
KG5
CZRT5231B-HF
4.85
5.1
5.36
17
20.0
1600
0.25
5.0
2.0
KE1
CZRT5232B-HF
5.32
5.6
5.88
11
20.0
1600
0.25
5.0
3.0
KE2
CZRT5234B-HF
5.89
6.2
6.51
7
20.0
1000
0.25
5.0
4.0
KE4
CZRT5235B-HF
6.46
6.8
7.14
5
20.0
750
0.25
3.0
5.0
KE5
CZRT5236B-HF
7.13
7.5
7.88
6
20.0
500
0.25
3.0
6.0
KF1
CZRT5237B-HF
7.79
8.2
8.61
8
20.0
500
0.25
3.0
6.5
KF2
CZRT5239B-HF
8.65
9.1
9.56
10
20.0
600
0.25
3.0
7.0
KF4
CZRT5240B-HF
9.50
10
10.50
17
20.0
600
0.25
3.0
8.0
KF5
CZRT5241B-HF
10.45
11
11.55
22
20.0
600
0.25
2.0
8.4
KH1
CZRT5242B-HF
11.40
12
12.60
30
20.0
600
0.25
1.0
9.1
KH2
CZRT5243B-HF
12.35
13
13.65
13
9.5
600
0.25
0.5
9.9
KH3
CZRT5245B-HF
14.25
15
15.75
16
8.5
600
0.25
0.1
11
KH5
CZRT5246B-HF
15.20
16
16.80
17
7.8
600
0.25
0.1
12
KJ1
CZRT5248B-HF
17.10
18
18.90
21
7.0
600
0.25
0.1
14
KJ3
CZRT5250B-HF
19.00
20
21.00
25
6.2
600
0.25
0.1
15
KJ5
CZRT5251B-HF
20.90
22
23.10
29
5.6
600
0.25
0.1
17
KK1
CZRT5252B-HF
22.80
24
25.20
33
5.2
600
0.25
0.1
18
KK2
CZRT5254B-HF
25.65
27
28.35
41
5.0
600
0.25
0.1
21
KK4
CZRT5255B-HF
26.60
28
29.40
44
4.5
600
0.25
0.1
21
KK5
CZRT5256B-HF
28.50
30
31.50
49
4.2
600
0.25
0.1
23
KM1
CZRT5257B-HF
31.35
33
34.65
58
3.8
700
0.25
0.1
25
KM2
CZRT5258B-HF
34.20
36
37.80
70
3.4
700
0.25
0.1
27
KM3
CZRT5259B-HF
37.05
39
40.95
80
3.2
800
0.25
0.1
30
KM4
CZRT5260B-HF
40.85
43
45.15
93
3.0
900
0.25
0.1
33
KM5
CZRT5261B-HF
44.65
47
49.35
105
2.7
1000
0.25
0.1
36
KN1
CZRT5262B-HF
48.45
51
53.55
125
2.5
1100
0.25
0.1
39
KN2
CZRT5263B-HF
53.20
56
58.80
150
2.2
1300
0.25
0.1
43
KN3
CZRT5264B-HF
57.00
60
63.00
170
2.1
1400
0.25
0.1
46
KN4
CZRT5265B-HF
58.90
62
65.10
185
2.0
1500
0.25
0.1
47
KN5
CZRT5266B-HF
64.60
68
71.40
230
1.8
1600
0.25
0.1
52
KP1
CZRT5267B-HF
71.25
75
78.75
270
1.7
1400
0.25
0.1
56
KP2
Note: 5% Standard Vz Tolerance
REV:A
Page 2
QW-JZ002
Comchip Technology CO., LTD.
COMCHIP
SMD Zener Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CZRT5221B-HF Thru CZRT5267B-HF)
Fig.2 Typical leakage current
Fig.1 Typical forward voltage
1000
1000
100
Leakage current(uA)
-5°
C
5°C
+2
+7
5
10
°C
0°
C
+1
5
Forward current(mA)
10
100
1
+150°C
0.1
0.01
+25°C
0.001
0.0001
1
-55°C
0.00001
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
0
1.2
10
30
20
Forward Voltage(V)
50
60
70
80
90
Normal zener voltage(V)
Fig.4 Steady state power derating
Fig.3 Temperature coefficents
100
0.6
TA = 25°C
0.5
Power dissipation(W)
Temperature coefficient,(mA/°C)
40
10
0.4
0.3
0.2
0.1
1
10
100
0
0
25
Nominal zener voltage(V)
50
75
100
125
150
175
Temperature(°C)
REV:A
Page 3
QW-JZ002
Comchip Technology CO., LTD.
COMCHIP
SMD Zener Diode
SMD Diodes Specialist
Reel Taping Specification
d
P0
P1
T
E
Index hole
F
W
B
P
C
A
12
o
0
D2
D1 D
W1
Trailer
Device
.......
.......
End
.......
.......
Leader
.......
.......
.......
.......
10 pitches (min)
Start
10 pitches (min)
Direction of Feed
SOT-23
SOT-23
SYMBOL
A
B
C
d
D
D1
D2
(mm)
3.10 ± 0.10
2.85 ± 0.10
1.40 ± 0.10
1.55 ± 0.10
178 ± 1
50.0 MIN.
13.0 ± 0.20
(inch)
0.122 ± 0.004
0.112 ± 0.004
0.055 ± 0.004
0.061 ± 0.004
7.008 ± 0.04
1.969 MIN.
0.512 ± 0.008
SYMBOL
E
F
P
P0
P1
W
W1
(mm)
1.75 ± 0.10
3.50 ± 0.05
4.00 ± 0.10
4.00 ± 0.10
2.00 ± 0.05
8.00 ± 0.30
14.4 MAX.
(inch)
0.069 ± 0.004
0.138 ± 0.002
0.157 ± 0.004
0.157 ± 0.004
0.079 ± 0.002
0.315 ± 0.012
0.567 MAX.
REV:A
Page 4
QW-JZ002
Comchip Technology CO., LTD.
COMCHIP
SMD Zener Diode
SMD Diodes Specialist
Suggested PAD Layout
SOT-23
SIZE
(mm)
(inch)
A
0.80
0.031
B
1.90
0.075
C
2.02
0.080
D
2.82
0.111
A
C
D
B
Standard Package
Qty per Reel
Reel Size
(Pcs)
(inch)
3000
7
Case Type
SOT-23
REV:A
Page 5
QW-JZ002
Comchip Technology CO., LTD.