SML4738 [VISHAY]
SURFACE MOUNT GLASS PASSIVATED ZENER; 表面安装玻璃钝化ZENER
| 型号： | SML4738 |
| 厂家： | 
VISHAY |
| 描述： | SURFACE MOUNT GLASS PASSIVATED ZENER |
| 文件： | 总2页 (文件大小：42K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SML4735 THRU SML4763A
SURFACE MOUNT GLASS PASSIVATED ZENER
Zener Voltage - 6.2 to 91.0 Volts
Steady State Power - 1.0 Watt
FEATURES
DO-214AC
♦ Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
0.065 (1.65)
0.049 (1.25)
0.110 (2.79)
0.100 (2.54)
♦ For surface mounted applications
♦ Glass passivated chip junction
♦ Low Zener impedance
0.177 (4.50)
0.157 (3.99)
♦ Low regulation factor
♦ High temperature soldering guaranteed:
250°C/10 seconds at terminals
0.012 (0.305)
0.006 (0.152)
0.090 (2.29)
0.078 (1.98)
MECHANICAL DATA
Case: JEDEC DO-214AC molded plastic over passivated junction
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
0.060 (1.52)
0.030 (0.76)
0.008 (0.203)
MAX.
0.208 (5.28)
0.194 (4.93)
Polarity: Color band denotes positive end (cathode)
Mounting Position: Any
Dimensions are in inches and (millimeters)
Weight: 0.002 ounce, 0.064 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
OPERATING JUNCTION AND STORAGE TEMPERATURE RANGE: TJ, TSTG: -55°C to +150°C
NOMINAL
ZENER
VOLTAGE
MAXIMUM DYNAMIC
IMPEDANCE
MAXIMUM
SURGE
CURRENT
MAXIMUM
FORWARD
VOLTAGE
at 200mA
MAXIMUM DC REVERSE
LEAKAGE CURRENT
DEVICE
MARKING
CODE
at I
ZT
TEST
CURRENT
TYPE
V
Z
Z
ZT
at
(NOTE 1)
(NOTE 2)
I
I
Z
ZK
at I
ZK
I
I
V
I
V
F
(NOTE 1)
ZT
ZT
ZK
R
R
RM
(Volts)
(mA)
41.0
37.0
34.0
31.0
28.0
25.0
23.0
21.0
19.0
17.0
15.5
14.0
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
(Ohms)
(Ohms)
(mA)
(µA)
50.0
20.0
10.0
10.0
10.0
10.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
(Volts)
(mApk)
730.0
660.0
605.0
550.0
500.0
454.0
414.0
380.0
344.0
305.0
285.0
250.0
225.0
205.0
190.0
170.0
150.0
135.0
125.0
115.0
110.0
95.0
(Volts)
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
SML4735
SML4736
SML4737
SML4738
SML4739
SML4740
SML4741
SML4742
SML4743
SML4744
SML4745
SML4746
SML4747
SML4748
SML4749
SML4750
SML4751
SML4752
SML4753
SML4754
SML4755
SML4756
SML4757
SML4758
SML4759
SML4760
SML4761
SML4762
SML4763
6P2
6P8
7P5
8P2
9P1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
6.2
6.8
7.5
8.2
9.1
10
11
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
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
3000
3000
1.0
1.0
0.5
0.5
3.0
4.0
5.0
6.0
7.0
7.6
8.4
9.1
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
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
10.0
14.0
16.0
20.0
22.0
23.0
25.0
35.0
40.0
45.0
50.0
60.0
70.0
80.0
95.0
110.0
125.0
150.0
175.0
200.0
250.0
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
90.0
80.0
70.0
65.0
60.0
55.0
50.0
4.0
3.7
3.3
3.0
75
82
91
2.0
NOTES:
(1) Standard voltage tolerance is 10%, Suffix A ± 5%
(2) Surge current is a non-repetitive, 8.3ms pulse width square wave or
equivalent sine-wave superimposed on IZT per JEDEC Method
(3) Maximum steady state power dissipation is 1.0 watt at TT=75°C
1/20/99
RATINGS AND CHARACTERISTIC CURVES SML4735 THRU SML4763A
FIG. 1 - MAXIMUM CONTINUOUS
FIG. 2 - TYPICAL ZENER IMPEDANCE
POWER DISSIPATION
1.0
0.75
0.5
1,000
100
60 H
RESISTIVE OR
INDUCTIVE LOAD
Z
T =25°C
J
V =91V
Z
V =56V
Z
10
1
V =30V
Z
0.25
0
P.C B. MOUNTED ON
0.31 x 0.31 x 0.08” (8 x 8 x 2mm)
COPPER AREAS PADS
V =6.2V
Z
0.5
10
100
500
25
50
75
100 125 150
175
I
ZT, ZENER TEST CURRENT, mA
TERMINALS TEMPERATURE, °C
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS FOR SML4763
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
10
10
1
T =100°C
J
1
PULSE WIDTH=300µs
1% DUTY CYCLE
0.1
0.01
T =25°C
J
T =25°C
J
0.1
0.01
0
20
40
60
80
100
PERCENT OF RATED ZENER VOLTAGE, %
0.4
0.6
0.8
1.0
1.2
1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG. 5 - TYPICAL TEMPERATURE COEFFICIENTS
110
90
70
50
30
10
TESTED at RATED I
ZT
0
0
10 20 30 40 50 60 70 80 90 100
VZ, ZENER VOLTAGE, VOLTS
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