Comchip CZRA4735B-HF Smd zener diode Datasheet

SMD Zener Diode
CZRA4728B-HF Thru. CZRA1330B-HF
Zener Voltage: 3.3 to 330 Volts
DC Power: 1 Watts
RoHS Device
Halogen Free
DO-214AC (SMA)
Features
-Glass passivated chip.
-Low leakage.
0.179(4.55)
0.161(4.10)
-For use in stabilizing and clipping
with high power rating.
0.109(2.76)
0.099(2.51)
0.064(1.63)
0.049(1.23)
-Built-in strain relief.
-Low inductance.
-High peak reverse power dissipation.
0.206(5.22)
0.192(4.87)
Mechanical data
0.012(0.30)
0.006(0.15)
0.089(2.26)
0.077(1.96)
-Case: JEDEC DO-214AC, molded plastic.
-Epoxy: UL 94V-0 rate flame retardant.
0.059(1.51)
0.030(0.75)
0.008(0.20)
0.000(0.00)
-Lead: Solderable per MIL-STD-750,
method 2026.
-Polarity: Color band denotes cathode end.
Dimensions in inches and (millimeter)
-Mounting position: Any.
-Approx. weight: 0.069 grams
Maximum Ratings and Electrical Characteristics
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Symbol
Value
Units
DC power dissipation at TL=50°C
(Note 1)
PD
1
W
Max. forward voltage at IF=200 mA
VF
1.2
V
RθJA
170
K/W
Junction temperature range
TJ
-55 to +175
°C
Storage temperature range
TSTG
-55 to +175
°C
Characteristics
Maximum thermal resistance junction
to ambient air (Note 2)
Notes:
1. TL= Lead temperature at 3/8” (9.5mm) from body.
2. Valid provided that leads are kept at ambient temperature at a distance of 10mm from case.
Company reserves the right to improve product design , functions and reliability without notice.
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Comchip Technology CO., LTD.
SMD Zener Diode
RATING AND CHARACTERISTIC CURVES (CZRA4728B-HF Thru. CZRA1330B-HF)
Fig.1 - Power Temperature Derating Curve
Fig.2 - Temperature Coefficients
v.s. Zener Voltage
100
Temperature Coefficient, θVz (mV/°C)
Max. Power Dissipation, PD (W)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
Range
10
1
10
175
Lead Temperature, TL (°C)
100
Zener Voltage, Vz (V)
Fig.3 - Typical Thermal Resistance
v.s. Lead Length
175
Junction to Lead Thermal
Resistance , θJL (°C/W)
150
125
100
75
50
25
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0
1
Lead Length to Heatsink, L (inches)
Fig.4 - Maximum Surge Power
100
Peak Surge Power, Ppk (W)
Rectangular Waveform TJ=25°C
Prior to Initial Pulse
5% Duty Cycle
10
11V-91V Non-Repetitive
10% Duty Cycle
20% Duty Cycle
1
0.01
0.1
1
10
100
1000
Pulse Width, PW (s)
Company reserves the right to improve product design , functions and reliability without notice.
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SMD Zener Diode
Electrical Characteristics (CZRA4728B-HF Thru. CZRA1330B-HF)
Part No
Nominal Zener
Voltage
Maximum Zener Impedance
ZZT@IZT(Ω) ZZK@IZK(Ω)
VZ@IZT(V)
IZT (mA)
CZRA4728B-HF
3.3
76.0
10.0
CZRA4729B-HF
3.6
69.0
10.0
CZRA4730B-HF
3.9
64.0
CZRA4731B-HF
4.3
CZRA4732B-HF
Maximum Reverse
Leakage Current
Maximum
DC Zener
Current
Maximum
Surge
Current
IRM (mApk)
Marking
Code
IZK (mA)
IR (μA)
VR (V)
IZM (mA)
400
1.00
100.0
1.0
274.0
1370
28A
400
1.00
100.0
1.0
251.0
1255
29A
9.0
400
1.00
50.0
1.0
232.0
1160
30A
58.0
9.0
400
1.00
10.0
1.0
210.0
1050
31A
4.7
53.0
8.0
500
1.00
10.0
1.0
192.0
960
32A
CZRA4733B-HF
5.1
49.0
7.0
550
1.00
10.0
1.0
177.0
885
33A
CZRA4734B-HF
5.6
45.0
5.0
600
1.00
10.0
2.0
161.0
805
34A
CZRA4735B-HF
6.2
41.0
2.0
700
1.00
10.0
3.0
146.0
730
35A
CZRA4736B-HF
6.8
37.0
3.5
700
1.00
5.0
4.0
133.0
660
36A
CZRA4737B-HF
7.5
34.0
4.0
700
0.50
5.0
5.0
121.0
605
37A
CZRA4738B-HF
8.2
31.0
4.5
700
0.50
5.0
6.0
110.0
550
38A
CZRA4739B-HF
9.1
28.0
5.0
700
0.50
0.5
7.0
100.0
500
39A
CZRA4740B-HF
10.0
25.0
7.0
700
0.25
0.5
7.6
91.0
454
40A
CZRA4741B-HF
11.0
23.0
8.0
700
0.25
0.1
8.4
83.0
414
41A
CZRA4742B-HF
12.0
21.0
9.0
700
0.25
0.1
9.1
76.0
380
42A
CZRA4743B-HF
13.0
19.0
10.0
700
0.25
0.1
9.9
69.0
344
43A
CZRA4744B-HF
15.0
17.0
14.0
700
0.25
0.1
11.4
61.0
305
44A
CZRA4745B-HF
16.0
15.5
16.0
700
0.25
0.1
12.2
57.0
285
45A
CZRA4746B-HF
18.0
14.0
20.0
750
0.25
0.1
13.7
50.0
250
46A
CZRA4747B-HF
20.0
12.5
22.0
750
0.25
0.1
15.2
45.0
225
47A
CZRA4748B-HF
22.0
11.5
23.0
750
0.25
0.1
16.7
41.0
205
48A
CZRA4749B-HF
24.0
10.5
25.0
750
0.25
0.1
18.2
38.0
190
49A
CZRA4750B-HF
27.0
9.5
35.0
750
0.25
0.1
20.6
34.0
170
50A
CZRA4751B-HF
30.0
8.5
40.0
1000
0.25
0.1
22.8
30.0
150
51A
CZRA4752B-HF
33.0
7.5
45.0
1000
0.25
0.1
25.1
27.0
135
52A
CZRA4753B-HF
36.0
7.0
50.0
1000
0.25
0.1
27.4
25.0
125
53A
CZRA4754B-HF
39.0
6.5
60.0
1000
0.25
0.1
29.7
23.0
115
54A
CZRA4755B-HF
43.0
6.0
70.0
1500
0.25
0.1
32.7
22.0
110
55A
CZRA4756B-HF
47.0
5.5
80.0
1500
0.25
0.1
35.8
19.0
95
56A
CZRA4757B-HF
51.0
5.0
95.0
1500
0.25
0.1
38.8
18.0
90
57A
CZRA4758B-HF
56.0
4.5
110.0
2000
0.25
0.1
42.6
16.0
80
58A
CZRA4759B-HF
62.0
4.0
125.0
2000
0.25
0.1
47.1
14.0
70
59A
CZRA4760B-HF
68.0
3.7
150.0
2000
0.25
0.1
51.7
13.0
65
60A
CZRA4761B-HF
75.0
3.3
175.0
2000
0.25
0.1
56.0
12.0
60
61A
CZRA4762B-HF
82.0
3.0
200.0
3000
0.25
0.1
62.2
11.0
55
62A
CZRA4763B-HF
91.0
2.8
250.0
3000
0.25
0.1
69.2
10.0
50
63A
CZRA4764B-HF
100.0
2.5
350.0
3000
0.25
0.1
76.0
9.0
45
64A
CZRA1110B-HF
110.0
2.3
450.0
4000
0.25
0.1
83.6
8.6
40
11Z
CZRA1120B-HF
120.0
2.0
550.0
4500
0.25
0.1
91.2
7.8
37
12Z
CZRA1130B-HF
130.0
1.9
700.0
5000
0.25
0.1
98.8
7.0
34
13Z
CZRA1150B-HF
150.0
1.7
1000.0
6000
0.25
0.1
114.0
6.4
30
15Z
CZRA1160B-HF
160.0
1.6
1100.0
6500
0.25
0.1
121.6
5.8
28
16Z
CZRA1180B-HF
180.0
1.4
1200.0
7000
0.25
0.1
136.8
5.2
25
18Z
CZRA1200B-HF
200.0
1.2
1900.0
9990
0.25
0.1
152.0
4.7
22
20Z
CZRA1220B-HF
220.0
1.0
1600.0
8000
0.25
0.1
167.2
4.0
20
22Z
CZRA1240B-HF
240.0
0.9
1800.0
8500
0.25
0.1
182.4
3.8
19
24Z
CZRA1250B-HF
250.0
0.9
2000.0
9000
0.25
0.1
190.0
3.6
18
25Z
CZRA1270B-HF
270.0
0.8
2100.0
9000
0.25
0.1
205.0
3.3
16
27Z
CZRA1300B-HF
300.0
0.8
2300.0
9500
0.25
0.1
228.0
3.0
15
30Z
CZRA1330B-HF
330.0
0.7
2500.0
9500
0.25
0.1
250.2
2.7
13
33Z
Notes:
1. The type number listed have a standard tolerance on the nominal zener voltage of ±5%.
2. The reverse surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed on IZT per JEDEC.
Company reserves the right to improve product design , functions and reliability without notice.
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SMD Zener Diode
Reel Taping Specification
d
P0
P1
E
Index hole
F
B
P
W
C
A
12
o
0
D2
D1 D
W1
Trailer
Device
.......
.......
End
.......
.......
Leader
.......
.......
.......
.......
160mm (min)
Start
400mm (min)
Direction of Feed
SMA/DO-214AC
SMA/DO-214AC
SYMBOL
A
B
C
d
D
D1
D2
(mm)
2.79 ± 0.10
5.33 ± 0.10
2.36 ± 0.10
1.75 ± 0.10
330MAX
50.0 MIN.
13.0 ± 0.2
(inch)
0.110 ± 0.004 0.210 ± 0.004
0.093 ± 0.004
0.069 ± 0.004
13.00MAX
1.969 MIN.
0.512 ± 0.008
SYMBOL
E
F
P
P0
P1
W
W1
(mm)
1.75 ± 0.10
5.50 ± 0.05
4.00 ± 0.10
4.00 ± 0.10
2.00 ± 0.05
12.0 ± 0.30
18.4 MAX.
(inch)
0.069 ± 0.004
0.216 ± 0.002
0.157 ± 0.004
0.157 ± 0.004
0.079 ± 0.002
0.472 ± 0.012
0.724 MAX
Company reserves the right to improve product design , functions and reliability without notice.
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SMD Zener Diode
Marking Code
XXX
1. XXX : Marking code (see Page.3)
2.
: Cathod Band
Suggested PAD Layout
A
DO-214AC(SMA)
SIZE
(mm)
(inch)
A
5.28
0.208
B
1.88 MAX
0.074 MAX
C
1.52 MIN
0.060 MIN
D
1.68 MIN
0.066 MIN
B
D
C
Standard Packaging
REEL PACK
Case Type
DO-214AC
(SMA)
REEL
Reel Size
( pcs )
(inch)
5,000
13
Company reserves the right to improve product design , functions and reliability without notice.
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