COMCHIP CZRA4746-G

SMD Zener Diode
SMD Diodes Specialist
CZRA4728-G Thru CZRA4753-G
Voltage: 3.3 to 36 Volts
Power: 1.0 Watts
RoHS Device
Features
SMA
-For surface mounted applications.
-1.0W Power Dissipation.
0.185(4.8)
0.173(4.4)
0.012(0.3) Typ.
-Ideally suited for automated assembly
processes.
0.110(2.8)
0.094(2.4)
-Pb free product.
Mechanical data
-Case: SMA, Molded plastic.
-Terminals: Solder Plated,solderable per
MIL-STD-202,method 208.
0.165(4.2)
0.150(3.8)
-Polarity: Cathode band.
0.067(1.7)
0.060(1.5)
-Mounting position: Any.
0.040(1.0) Typ.
0.040(1.0) Typ.
-Weight: 0.05 gram(approx.).
Dimensions in inches and (millimeter)
Maximum Rating And Electrical Characteristics
o
(T A =25 C, unless otherwise noted)
Parameter
Maximum power dissipation (Note 1)
Operating junction and storage temperature range
Symbol
Value
PD
1
T J , T STG
-55 to +150
Unit
W
O
C
REV:B
QW-BZ004
Page 1
SMD Zener Diode
SMD Diodes Specialist
O
ELECTRICAL CHARACTERISTICS(T A = 25 C)
Maximum Zener Impedance
ZZT @ ZZK @
IZK
IZT
IZK
(mA)
(ohms) (ohms)
Part Number
Marking
Code
Nominal
Zener
Voltage
[email protected] (V)
Test
Current
IZT(mA)
CZRA4728-G
Z3V3
3.3
76
10
400
CZRA4729-G
Z3V6
3.6
69
10
CZRA4730-G
Z3V9
3.9
64
CZRA4731-G
Z4V3
4.3
CZRA4732-G
Z4V7
CZRA4733-G
Leakage Current
Surge
Current
@
TA=25OC
IR Max.
(uA)
VR
(V)
1
100
1
1380
400
1
100
1
1260
9
400
1
50
1
1190
58
9
400
1
10
1
1070
4.7
53
8
500
1
10
1
970
Z5V1
5.1
49
7
550
1
10
1
890
CZRA4734-G
Z5V6
5.6
45
5
600
1
10
2
810
CZRA4735-G
Z6V2
6.2
41
2
700
1
10
3
730
CZRA4736-G
Z6V8
6.8
37
3.5
700
1
10
4
660
CZRA4737-G
Z7V5
7.5
34
4
700
0.5
10
5
605
CZRA4738-G
Z8V2
8.2
31
4.5
700
0.5
10
6
550
CZRA4739-G
Z9V1
9.1
28
5
700
0.5
10
7
500
CZRA4740-G
Z10
10
25
7
700
0.25
10
7.6
454
CZRA4741-G
Z11
11
23
8
700
0.25
5
8.4
414
CZRA4742-G
Z12
12
21
9
700
0.25
5
9.1
380
CZRA4743-G
Z13
13
19
10
700
0.25
5
9.9
344
CZRA4744-G
Z15
15
17
14
700
0.25
5
11.4
304
CZRA4745-G
Z16
16
15.5
16
700
0.25
5
12.2
285
CZRA4746-G
Z18
18
14
20
750
0.25
5
13.7
250
CZRA4747-G
Z20
20
12.5
22
750
0.25
5
15.2
225
CZRA4748-G
Z22
22
11.5
23
750
0.25
5
16.7
205
CZRA4749-G
Z24
24
10.5
25
750
0.25
5
18.2
190
CZRA4750-G
Z27
27
9.5
35
750
0.25
5
20.6
170
CZRA4751-G
Z30
30
8.5
40
1000
0.25
5
22.8
150
CZRA4752-G
Z33
33
7.5
45
1000
0.25
5
25.1
135
CZRA4753-G
Z36
36
7
50
1000
0.25
5
27.4
125
REV:B
QW-BZ004
Page 2
SMD Zener Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CZRA4728-G Thru CZRA4753-G)
FIG 1B. Range for Units 12 to 100 Volts
FIG 1A. Range for Units to 12 Volts
100
Temperature Coefficient (mV/OC)
Temperature Coefficient (mV/ C)
12
O
10
8
6
4
2
Range
0
-2
V Z @I ZT
10
V Z @I ZT
-4
2
3
4
5
6
7
8
9
10
11
Range
1
10
12
50
100
VZ, Zener Voltage (V)
VZ, Zener Voltage (V)
175
6
Temperature Coefficient (mV/ C)
150
V Z @I ZT
T A =25 OC
O
θJL, Junction to lead thermal (OC/W)
FIG 2. Temperature Coefficients (-55OC to +150OC temperature change;90%of the units are in the ranges indicated.)
125
100
75
50
25
0
4
20mA
2
1mA
-2
Note: Below 3V and above 8V changes
in Zener Voltage do not affect temperature
-4
0
0.1 0.2 0.3 0.4 0.5 0.6
0.7 0.8 0.9 1.0
3
FIG 3. Typical Thermal Resistance V.S. Lead
5
6
8
7
FIG 4. Effect of Zener Current
400
C, Capacitance (pF)
1000
I Z=1mA
100
4
VZ, Zener Voltage (V)
L, Lead length to heat sink (Inches)
Dynamic impedance (ohms)
0.01mA
0
I Z=5mA
I Z=20mA
10
T J =25 OC
I Z (ms)=0.1I Z (do)
f=60H Z
1
1
10
100
VZ, Zener Voltage (V)
0V bias
100
1V bias
10
50% of breakdown
bias
4
1
10
100
VZ, Zener Voltage (V)
FIG 5. Power Temperature Derating Curve
PD, Maximum dissipatioin (W)
1.25
1.00
0.75
0.50
0.25
0
0
40
80
120
160
200
TL, Lead temperature (OC)
REV:B
QW-BZ004
Page 2