1SMA5.0AT3/D [ETC]
Zener Transient Voltage Suppressors ; 齐纳瞬态电压抑制器\n
| 型号： | 1SMA5.0AT3/D |
| 厂家： | 
ETC |
| 描述： | Zener Transient Voltage Suppressors
|
| 文件： | 总4页 (文件大小：56K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1SMA5.0AT3 Series
400 Watt Peak Power Zener
Transient Voltage Suppressors
Unidirectional*
The SMA series is designed to protect voltage sensitive
components from high voltage, high energy transients. They have
excellent clamping capability, high surge capability, low zener
impedance and fast response time. The SMA series is supplied in
ON Semiconductor’s exclusive, cost-effective, highly reliable
Surmetict package and is ideally suited for use in communication
systems, automotive, numerical controls, process controls, medical
equipment, business machines, power supplies and many other
industrial/consumer applications.
http://onsemi.com
PLASTIC SURFACE MOUNT
ZENER OVERVOLTAGE
TRANSIENT SUPPRESSORS
5.0–78 VOLTS VR
400 WATTS PEAK POWER
Specification Features:
• Working Peak Reverse Voltage Range – 5.0 V to 78 V
• Standard Zener Breakdown Voltage Range – 6.7 V to 91.25 V
• Peak Power – 400 Watts @ 1 ms
CATHODE
ANODE
• ESD Rating of Class 3 (> 16 KV) per Human Body Model
• Response Time is Typically < 1 ns
• Flat Handling Surface for Accurate Placement
• Package Design for Top Slide or Bottom Circuit Board Mounting
• Low Profile Package
SMA
Mechanical Characteristics:
CASE 403B
PLASTIC
CASE: Void-free, transfer-molded plastic
FINISH: All external surfaces are corrosion resistant and leads are
readily solderable
MARKING DIAGRAM
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
260°C for 10 Seconds
POLARITY: Cathode indicated by molded polarity notch or polarity
band
xx
LLYWW
MOUNTING POSITION: Any
xx
= Specific Device Code
= (See Table Next Page)
= Assembly Location
= Year
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
LL
Y
WW
Peak Power Dissipation (Note 1.)
P
PK
400
W
= Work Week
@ T = 25°C, Pulse Width = 1 ms
L
DC Power Dissipation @ T = 75°C
P
D
1.5
W
L
ORDERING INFORMATION
Measured Zero Lead Length (Note 2.)
Derate Above 75°C
Thermal Resistance from Junction to Lead
20
50
mW/°C
°C/W
{
Device
Package
Shipping
5000/Tape & Reel
R
q
JL
DC Power Dissipation (Note 3.) @ T = 25°C
P
0.5
W
1SMAxxAT3
SMA
A
D
Derate Above 25°C
Thermal Resistance from Junction
to Ambient
4.0
250
mW/°C
°C/W
R
q
*Please see 1SMA10CAT3 to 1SMA78CAT3 for
Bidirectional devices.
JA
Operating and Storage
Temperature Range
T , T
J
–65 to
+150
°C
stg
†The “T3” suffix refers to a 13 inch reel.
1. 10 X 1000 ms, non–repetitive
2. 1″ square copper pad, FR–4 board
3. FR–4 board, using ON Semiconductor minimum recommended footprint, as
shown in 403B case outline dimensions spec.
Semiconductor Components Industries, LLC, 2001
1
Publication Order Number:
March, 2001 – Rev. 3
1SMA5.0AT3/D
1SMA5.0AT3 Series
ELECTRICAL CHARACTERISTICS (T = 25°C unless
I
A
otherwise noted, V = 3.5 V Max. @ I = 40 A for all types)
F
F
I
F
Symbol
Parameter
I
Maximum Reverse Peak Pulse Current
Clamping Voltage @ I
PP
V
C
PP
V
C
V
V
V
Working Peak Reverse Voltage
BR RWM
RWM
V
I
V
F
R
T
I
R
Maximum Reverse Leakage Current @ V
I
RWM
V
Breakdown Voltage @ I
Test Current
BR
T
I
T
F
I
Forward Current
I
PP
V
F
Forward Voltage @ I
F
Uni–Directional TVS
ELECTRICAL CHARACTERISTICS
Breakdown Voltage
(Volts)
V @ I
C PP
V
@ I
V
C
I
PP
V
RWM
I @ V
R RWM
BR
T
Device
Min
Nom
6.7
7.02
7.6
Max
mA
Volts
µA
Volts
Amps
Marking
Device
1SMA5.0AT3
1SMA6.0AT3
1SMA6.5AT3
1SMA7.0AT3
QE
QG
QK
QM
5.0
6.0
6.5
7.0
400
400
250
250
6.4
7.0
7.37
7.98
8.6
10
10
10
10
9.2
43.5
38.8
35.7
33.3
6.67
7.22
7.78
10.3
11.2
12.0
8.19
1SMA7.5AT3
1SMA8.0AT3
1SMA8.5AT3
1SMA9.0AT3
QP
QR
QT
QV
7.5
8.0
8.5
9.0
50
25
5.0
2.5
8.33
8.89
9.44
10
8.77
9.36
9.92
9.21
9.83
10.4
11.1
1
1
1
1
12.9
13.6
14.4
15.4
31.0
29.4
27.8
26.0
10.55
1SMA10AT3
1SMA11AT3
1SMA12AT3
1SMA13AT3
QX
QZ
RE
RG
10
11
12
13
2.5
2.5
2.5
2.5
11.1
12.2
13.3
14.4
11.7
12.85
14.0
12.3
13.5
14.7
15.9
1
1
1
1
17.0
18.2
19.9
21.5
23.5
22.0
20.1
18.6
15.15
1SMA14AT3
1SMA15AT3
1SMA16AT3
1SMA17AT3
RK
RM
RP
RR
14
15
16
17
2.5
2.5
2.5
2.5
15.6
16.7
17.8
18.9
16.4
17.6
18.75
19.9
17.2
18.5
19.7
20.9
1
1
1
1
23.2
24.4
26.0
27.6
17.2
16.4
15.4
14.5
1SMA18AT3
1SMA20AT3
1SMA22AT3
1SMA24AT3
RT
RV
RX
RZ
18
20
22
24
2.5
2.5
2.5
2.5
20
21.05
23.35
25.65
28.1
22.1
24.5
26.9
29.5
1
1
1
1
29.2
32.4
35.5
38.9
13.7
12.3
11.3
10.3
22.2
24.4
26.7
1SMA26AT3
1SMA28AT3
1SMA30AT3
1SMA33AT3
SE
SG
SK
SM
26
28
30
33
2.5
2.5
2.5
2.5
28.9
31.1
33.3
36.7
30.4
32.75
35.05
38.65
31.9
34.4
36.8
40.6
1
1
1
1
42.1
45.4
48.4
53.3
9.5
8.8
8.3
7.5
1SMA36AT3
1SMA40AT3
1SMA43AT3
1SMA45AT3
SP
SR
ST
SV
36
40
43
45
2.5
2.5
2.5
2.5
40
44.4
47.8
50
42.1
46.75
50.3
44.2
49.1
52.8
55.3
1
1
1
1
58.1
64.5
69.4
72.2
6.9
6.2
5.8
5.5
52.65
1SMA48AT3
1SMA51AT3
1SMA54AT3
1SMA58AT3
SX
SZ
TE
TG
48
51
54
58
2.5
2.5
2.5
2.5
53.3
56.7
60
56.1
59.7
63.15
67.8
58.9
62.7
66.3
71.5
1
1
1
1
77.4
82.4
87.1
93.6
5.2
4.9
4.6
4.3
64.4
1SMA60AT3
1SMA64AT3
1SMA70AT3
1SMA75AT3
1SMA78AT3
TK
TM
TP
TR
TS
60
64
70
75
78
2.5
2.5
2.5
2.5
2.5
66.7
71.1
77.8
83.3
86.7
70.2
74.85
81.9
87.7
91.25
73.7
78.6
86.0
92.1
95.8
1
1
1
1
1
96.8
103
113
121
126
4.1
3.9
3.5
3.3
3.2
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2
1SMA5.0AT3 Series
RATING AND TYPICAL CHARACTERISTIC CURVES
100
10
1
120
T = 25°C
A
PW (I ) IS DEFINED AS THE
≤ 10 µs
NONREPETITIVE
PULSE WAVEFORM
SHOWN IN FIGURE 2.
D
POINT WHERE THE PEAK CURRENT
100
80
PEAK VALUE
I
DECAYS TO 50% OF I .
pp
T = 25°C
A
ppm
60
HALF VALUE - I /2
pp
40
10/1000 µs WAVEFORM
AS DEFINED BY R.E.A.
20
0
t
d
0.1
-4
5
0
1
2
3
4
10
0.001
0.01
0.1
1
10
t , PULSE WIDTH (ms)
P
t, TIME (ms)
Figure 1. Pulse Rating Curve
Figure 2. Pulse Waveform
120
100
80
60
40
20
0
10,000
1,000
T = 25°C
J
f = 1 MHz
10 x 1000 WAVEFORM
AS DEFINED BY R.E.A.
MEASURED AT
ZERO BIAS
V
sig
= 50 mV
p-p
MEASURED AT
STAND-OFF
VOLTAGE, V
100
10
WM
0
40
80
120
160
200
1
2
5
10
20
50
100 200
T , AMBIENT TEMPERATURE (°C)
A
V
(BR)
, BREAKDOWN VOLTAGE (VOLTS)
Figure 3. Pulse Derating Curve
Figure 4. Typical Junction Capacitance
6
5
4
@ T = 75°C
L
3
2
P
D
= 1.5 W
@ T = 25°C
A
1
0
P
D
= 0.5 W
0
25
50
75
100
125
150
T, TEMPERATURE (°C)
Figure 5. Steady State Power Derating
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3
1SMA5.0AT3 Series
OUTLINE DIMENSIONS
Transient Voltage Suppressors – Surface Mounted
400 Watt Peak Power
SMA
NOTES:
CASE 403B–01
ISSUE O
S
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
A
INCHES
DIM MIN MAX
MILLIMETERS
MIN
4.06
2.29
1.91
1.27
0.10
0.15
0.76
4.83
MAX
4.57
2.92
2.67
1.63
0.20
0.41
1.52
5.59
A
B
C
D
H
J
0.160
0.090
0.075
0.050
0.004
0.006
0.030
0.190
0.180
0.115
0.105
0.064
0.008
0.016
0.060
0.220
D
B
K
S
C
0.157
4.0
H
J
K
0.0787
2.0
inches
mm
0.0787
2.0
SMA FOOTPRINT
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1SMA5.0AT3/D
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