SMAF4739A 반도체 회로 부품 판매점
RECTIFIER SPECIALISTS
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 Dc Components |
DC COMPONENTS CO., LTD. SMAF4728A
THRU
R RECTIFIER SPECIALISTS
SMAF4777A
TECHNICAL SPECIFICATIONS OF SURFACE MOUNT ZENER DIODES
VOLTAGE RANGE - 3.3 to 330 Volts
POWER - 1.0 Watt
FEATURES
* Voltage Range:3.3V to 330V
* Low zener impedance
* Low regulation factor
* High reliability
* Glass passivated junction
SMAFL
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Terminals:Solder plated, solderable per
MIL-STD-750, Method 2026
* Polarity: As marked
* Mounting position: Any
* Weight: 0.064 gram
.007(0.2)
.003(0.1)
.106(2.7)
.094(2.4)
.192(4.9)
.173(4.4)
.145(3.7)
.129(3.3)
.043(1.1)
.035(0.9)
.062(1.6)
.051(1.3)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Maximum Power Dissipation @TL=75oC (Note 1)
Maximum forward voltage at IF=200mA
Maximum Thermal Resistance Junction to Ambient Air
Junction Temperature Range
Storage Temperature Range
NOTE: Suffix "A" indicates Zener Voltage Tolerance ± 5%
Fig. 1
POWER TEMPERATURE
DERATING CURVE
1.2
1
0.8
0.6
0.4
0.2
SYMBOL
Ptot
VF
RθJA
TJ
TSTG
REV-1,FEBRUARY,2015
0 50 100 150
AMBIENT TEMPERATURE, Ta(oC)
1
.047(1.2)
.031(0.8)
Dimensions in inches and (millimeters)
VALUE
1.0
1.2
170
-55 to +150
-55 to +150
UNITS
W
Volts
oC/W
oC
oC
Fig. 2
TYPICAL THERMAL RESISTANCE
VERSUS LEAD LENGTH
175
150
125
100
75
50
25
0 0.2 0.4 0.6 0.8 1.0 1.2
Lead Length to Heatsink , L, (inches)
www.dccomponents.com
RATING AND CHARACTERISTIC CURVES (SMAF4728A THRU SMAF4777A)
TYPE
SMAF4728A
SMAF4729A
SMAF4730A
SMAF4731A
SMAF4732A
SMAF4733A
SMAF4734A
SMAF4735A
SMAF4736A
SMAF4737A
SMAF4738A
SMAF4739A
SMAF4740A
SMAF4741A
SMAF4742A
SMAF4743A
SMAF4744A
SMAF4745A
SMAF4746A
SMAF4747A
SMAF4748A
SMAF4749A
SMAF4750A
SMAF4751A
SMAF4752A
SMAF4753A
SMAF4754A
SMAF4755A
SMAF4756A
SMAF4757A
SMAF4758A
SMAF4759A
SMAF4760A
SMAF4761A
SMAF4762A
SMAF4763A
SMAF4764A
SMAF4765A
SMAF4766A
SMAF4767A
SMAF4768A
SMAF4769A
SMAF4770A
SMAF4771A
SMAF4772A
SMAF4773A
SMAF4774A
SMAF4775A
SMAF4776A
SMAF4777A
Nominal
Zener
Voltage
VZ@IZT
Volts
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
220
240
250
270
300
330
NOTE: Standard Zener Voltage Tolerance ± 5%
Zener
Test
Current
IZT
mA
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
15.5
14
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
2.3
2.0
1.9
1.7
1.6
1.4
1.2
1.0
0.9
0.9
0.8
0.8
0.7
Maximum Zener
Impedance
ZZT@IZT
Ohms
10
10
9.0
9.0
8.0
7.0
5.0
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
200
250
350
450
550
700
1000
1100
1200
1900
1600
1800
2000
2100
2300
2500
ZZT@IZK
Ohms
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
2000
2000
2000
4000
4500
5000
6000
6500
7000
9990
8000
8500
9000
9000
9500
9500
IZK
mA
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
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
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
0.25
0.25
0.25
0.25
0.25
0.25
Maximum Reverse
Leakage Current
IR @VR
µA Volts
100 1.0
100 1.0
50 1.0
10 1.0
10 1.0
10 1.0
10 2.0
10 3.0
5.0 4.0
5.0 5.0
5.0 6.0
0.5 7.0
0.5 7.6
0.1 8.4
0.1 9.1
0.1 9.9
0.1 11.4
0.1 12.2
0.1 13.7
0.1 15.2
0.1 16.7
0.1 18.2
0.1 20.6
0.1 22.8
0.1 25.1
0.1 27.4
0.1 29.7
0.1 32.7
0.1 35.8
0.1 38.8
0.1 42.6
0.1 47.1
0.1 51.7
0.1 56.0
0.1 62.2
0.1 69.2
0.1 76.0
0.1 83.6
0.1 91.2
0.1 98.8
0.1 114.0
0.1 121.6
0.1 136.8
0.1 152.0
0.1 167.2
0.1 182.4
0.1 190.4
0.1 205.0
0.1 228.0
0.1 250.2
REV-1,FEBRUARY,2015
DC COMPONENTS CO., LTD.
R
2
www.dccomponents.com
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SMAF4739A rectifier
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