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CZRA4731-HF

型号：

CZRA4731-HF

描述：

贴片稳压二极管[ SMD Zener Diode ]

品牌：

COMCHIP[ COMCHIP TECHNOLOGY ]

页数：

5 页

PDF大小：

190 K

下载PDF手册
SMD Zener Diode  
SMD Diodes Specialist  
CZRA4728-HF Thru. CZRA4755-HF  
Voltage: 3.3 to 43 Volts  
Power: 1.0 Watts  
RoHS Device  
Halogen Free  
DO-214AC/SMA  
Features  
-Batch process design, excellent power dissipation  
offers better reverse leakage current and thermal  
resistance.  
0.196(4.9)  
0.180(4.4)  
0.012(0.3) Typ.  
-Glass pasisivated chip junction.  
-Typical IR less than 0.5µA above 11V.  
-Standard zener voltage tolerance ±5%.  
-Low inductance.  
0.106(2.7)  
0.091(2.3)  
Mechanical data  
-Epoxy: UL94-V0 rated flame retardant.  
-Case: Molded plastic, JEDEC DO-214AC/SMA .  
-Terminals: Solder Plated,solderable per  
MIL-STD-750,method 2026.  
0.068(1.7)  
0.060(1.5)  
0.032(0.8)Typ.  
0.032(0.8)Typ.  
-Polarity: Indicated by Cathode band.  
-Mounting position: Any.  
Dimensions in inches and (millimeter)  
-Weight: 0.05 gram(approx.).  
Maximum Rating And Electrical Characteristics  
(T =25°C, unless otherwise noted)  
A
Symbol  
Condition  
MIN.  
TYP.  
MAX.  
Units  
Parameter  
Forward voltage  
IF =200 mA DC  
VF  
PD  
1.20  
V
V
Power Dissipation  
1000  
8.3ms single half sine-wave  
superimposed on rate load  
(JEDEC method)  
Peak surge forward current  
Thermal resistance  
IFSM  
100  
A
Junction to case  
RθJC  
RθJA  
100  
110  
°C/W  
°C/W  
Junction to ambient  
Storge temperature  
TJ  
TJ  
-65  
-55  
+175  
+150  
°C  
°C  
Operating temperature  
REV:A  
Page 1  
QW-JZ003  
SMD Zener Diode  
SMD Diodes Specialist  
Electrical Characteristics ( at T  
A
= 25°C unless otherwise noted)  
Zener Voltage  
Zener Impedance  
Leakage Current Surge Current  
Test Current  
Marking  
Code  
VZ@IZT  
ZZT @ IZT ZZK @ IZK  
IZT  
IZK  
IR  
VR  
Isurge  
Part Number  
Volts  
mA  
oHMs  
10  
10  
9
oHMs  
400  
400  
400  
400  
500  
550  
600  
700  
700  
700  
mA  
uA  
Volts  
mA  
CZRA4728-HF  
CZRA4729-HF  
CZRA4730-HF  
CZRA4731-HF  
CZRA4732-HF  
CZRA4733-HF  
CZRA4734-HF  
CZRA4735-HF  
CZRA4736-HF  
CZRA4737-HF  
CZRA4738-HF  
Z3V3  
Z3V6  
Z3V9  
Z4V3  
Z4V7  
Z5V1  
Z5V6  
Z6V2  
Z6V8  
Z7V5  
3.3  
3.6  
3.9  
4.3  
4.7  
5.1  
5.6  
6.2  
6.8  
7.5  
76  
69  
64  
58  
53  
49  
45  
41  
37  
34  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
0.5  
100  
100  
50  
10  
10  
10  
10  
10  
10  
10  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
2.0  
3.0  
4.0  
5.0  
1380  
1260  
1190  
1070  
970  
9
8
7
890  
5
810  
2
730  
3.5  
4
660  
605  
Z8V2  
Z9V1  
Z10  
Z11  
Z12  
Z13  
Z15  
Z16  
Z18  
Z20  
Z22  
Z24  
Z27  
Z30  
Z33  
Z36  
Z39  
Z43  
8.2  
9.1  
10  
11  
12  
13  
15  
16  
18  
20  
22  
24  
27  
30  
33  
36  
39  
43  
31  
28  
4.5  
5
700  
700  
0.5  
10  
10  
10  
5
6.0  
7.0  
550  
500  
454  
414  
380  
344  
304  
285  
250  
225  
205  
190  
170  
150  
135  
125  
115  
105  
CZRA4739-HF  
CZRA4740-HF  
CZRA4741-HF  
CZRA4742-HF  
CZRA4743-HF  
CZRA4744-HF  
CZRA4745-HF  
CZRA4746-HF  
CZRA4747-HF  
CZRA4748-HF  
CZRA4749-HF  
CZRA4750-HF  
CZRA4751-HF  
CZRA4752-HF  
CZRA4753-HF  
CZRA4754-HF  
CZRA4755-HF  
0.5  
25  
7
700  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
7.6  
23  
8
700  
8.4  
21  
9
700  
5
9.1  
19  
10  
14  
16  
20  
22  
23  
25  
35  
40  
45  
50  
60  
70  
700  
5
9.9  
17  
700  
5
11.4  
12.2  
13.7  
15.2  
16.7  
18.2  
20.6  
22.8  
25.4  
27.4  
29.7  
32.7  
15.5  
14  
700  
5
750  
5
12.5  
11.5  
10.5  
9.5  
8.5  
7.5  
7.0  
6.5  
6.0  
750  
5
750  
5
750  
5
750  
5
1000  
1000  
1000  
1000  
1500  
5
5
5
5
5
REV:A  
Page 2  
QW-JZ003  
SMD Zener Diode  
SMD Diodes Specialist  
RATING AND CHARACTERISTIC CURVES (CZRA4728-HF Thru. CZRA4755-HF)  
FIG 1A. Range for Units to 12 Volts  
FIG 1B. Range for Units 12 to 100 Volts  
12  
10  
8
100  
6
4
2
10  
Range  
Range  
0
-2  
-4  
VZ@IZT  
VZ@IZT  
1
50  
Zener Voltage, (V)  
10  
100  
2
3
4
5
6
7
8
9
10 11 12  
Zener Voltage, (V)  
FIG 2. Temperature Coefficients (-55°C to +150°C temperature change ; 90% of the units are in the ranges indicated.)  
175  
150  
125  
100  
75  
6
VZ@IZT  
TA=25 OC  
4
20mA  
1mA  
2
0.01mA  
0
50  
25  
-2  
Note: Below 3V and above 8V changes  
in Zener Voltage do not affect temperature  
0
-4  
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0  
Lead length to heat sink, (Inches)  
3
4
5
6
7
8
Zener Voltage, (V)  
FIG 3. Typical Thermal Resistance  
Versus Lead  
FIG 4. Effect of Zener Current  
400  
100  
1000  
IZ=1mA  
IZ=5mA  
IZ=20mA  
0V bias  
100  
10  
1
1V bias  
TJ=25°C  
10  
4
IZ(ms)=0.1IZ(do)  
50% of breakdown  
bias  
f=60HZ  
100  
1
10  
Zener Current,(mA)  
100  
10  
1
Nominal Vz, (V)  
REV:A  
Page 3  
QW-JZ003  
SMD Zener Diodes  
SMD Diodes Specialist  
Reel Taping Specification  
d
P0  
P1  
T
E
F
Index hole  
W
B
C
P
A
1
2
0
o
D2  
D
D1  
W1  
Trailer  
Device  
Leader  
.......  
.......  
.......  
.......  
.......  
.......  
.......  
.......  
Start  
End  
10 pitches (min)  
10 pitches (min)  
Direction of Feed  
SYMBOL  
(mm)  
A
B
C
d
D
D1  
D2  
DO-214AC (SMA)  
DO-214AC (SMA)  
2.8 ± 0.10  
5.00 ± 0.10  
1.90 ± 0.10  
0.075 ± 0.004  
1.50 ± 0.10  
178 ± 2.00  
62.0 MIN.  
2.441 MIN.  
13.0 ± 0.50  
(inch)  
0.110 ± 0.004  
0.197 ± 0.004  
0.059 ± 0.004  
7.008 ± 0.078  
0.512 ± 0.008  
SYMBOL  
(mm)  
E
F
P
P0  
P1  
W
W1  
12.00 ± 0.30  
1.75 ± 0.10  
0.069 ± 0.004  
5.50 ± 0.10  
0.217 ± 0.002  
4.00 ± 0.10  
4.00 ± 0.10  
0.157 ± 0.004  
2.00 ± 0.10  
0.079 ± 0.004  
18.00 ± 1.00  
0.709 ± 0.040  
(inch)  
0.157 ± 0.004  
0.472 ± 0.012  
REV:A  
Page 4  
QW-JZ016  
Comchip Technology CO., LTD.  
SMD Zener Diode  
SMD Diodes Specialist  
Suggested PAD Layout  
D
A
E
DO-214AC (SMA)  
SIZE  
(mm)  
(inch)  
0.150  
0.063  
A
B
C
3.80  
1.60  
2.80  
C
0.110  
0.213  
0.087  
D
E
5.40  
2.20  
B
Standard Package  
Qty per Reel  
Reel Size  
(inch)  
Case Type  
(Pcs)  
DO-214AC (SMA)  
2000  
7
REV:A  
Page 5  
QW-JZ003  
Comchip Technology CO., LTD.  
厂商 型号 描述 页数 下载

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