SACB45 [LITTELFUSE]
Transient Voltage Suppression Diodes; 瞬态电压抑制二极管型号: | SACB45 |
厂家: | LITTELFUSE |
描述: | Transient Voltage Suppression Diodes |
文件: | 总4页 (文件大小:176K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
TransientVoltage Suppression Diodes
Surface Mount – 500W > SACB series
RoHS
SACB Series
Description
SACB series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Features
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applications in order to
optimize board space
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typically less than 1.0ps
from 0V to BV min
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capability
Agency Approvals
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resistance
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temperature coefficient
ΔVBR = 0.1% x VBR@25°C x ΔT
AGENCY
AGENCY FILE NUMBER
E230531
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soldering guaranteed:
260°C/40 seconds at
terminals
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Underwriters Laboratory
Flammability 94V-O
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junction
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capability at 10×1000μs
waveform, repetition rate
(duty cycles):0.01%
Maximum Ratings andThermal Characteristics
(TA=25OC unless otherwise noted)
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Parameter
Symbol
PPPM
Value
500
Unit
W
Peak pulse power dissipation at
ta=25OC by 10×1000μs waveform
(fig.1)( Note 1)
Power dissipation on infinite heat
PM(AV)
IPPM
3.0
W
Applications
sink atTL=50ºC
Peak Pulse Power Dissipation at
Ta=25ºC by 10×1000μs waveform
(Fig. 3) (Note 1)
See
Table 1
TVS devices are ideal for the protection of I/O Interfaces,
CC bus and other vulnerable circuits used inTelecom,
Amps
V
Operating Junction and Storage
Temperature Range
Computer, Industrial and Consumer electronic applications.
T , TSTG -65 to 150
°C
J
TypicalThermal Resistance Junction
to Lead
TypicalThermal Resistance Junction
to Ambient
RuJL
RuJA
30
°C/W
°C/W
120
Note:
1. Non-repetitive current pulse , per Fig. 3 and derated aboveTA = 25OC per Fig. 2.
©2009 Littelfuse, Inc.
19
Revision: January 09, 2009
SACB Series
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SACB.html for current information.
TransientVoltage Suppression Diodes
Surface Mount – 500W > SACB series
Electrical Characteristics
Maximum
Peak
Pulse
Current
per (Fig.3)
IPP(A)
Inverse
Blocking
Leakage
Current at
VWIB@ IIB
(mA)
Maximum
Clamping
Voltage at
IPP=5.0A
Minimum
Breakdown
Voltage at
IT =1.0MA
Maximum
Reverse
Leakage
at VR IR
Maximum Working
Junction Inverse
Capacitance Blocking
Stand-Off
Voltage
(Note1) VR
Peak Inverse
Blocking
Voltage VPIB Recognition
(V)
Part
Marking
UL
Number Code
at
Voltage
(V)
(μA)
0 Volts (pF)
VWIB(V)
VBR(V)
VC(V)
SACB5.0
SACB6.0
SACB7.0
SACB8.0
SACB8.5
SACB10
SACB12
SACB15
SACB18
SACB22
SACB26
SACB30
SACB36
SACB45
SACB50
SKE
SKG
SKM
SKR
SKT
SKX
SLE
SLM
SLT
5.0
6.0
7.0
8.0
8.5
10.0
12.0
15.0
18.0
22.0
26.0
30.0
36.0
45.0
50.0
7.60
7.90
8.33
8.89
9.44
11.10
13.30
16.70
20.00
24.40
28.90
33.30
40.00
50.00
55.50
300
300
300
100
50
5
5
5
5
5
10.0
11.2
44.0
41.0
38.0
36.0
34.0
29.0
25.0
20.0
15.0
14.0
11.1
10.0
8.6
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
75
75
75
75
75
75
75
75
75
75
75
75
75
150
150
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
100
100
100
100
100
100
100
100
100
100
100
100
100
200
200
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
12.6
13.4
14.0
16.3
19.0
23.6
28.8
35.4
42.3
48.6
60.0
77.0
88.0
SLX
SME
SMK
SMP
SMV
SMZ
5
5
5
5
6.8
5.8
5
Ratings and Characteristic Curves A=25°Cunlessotherwisenoted)
Figure 1 - Peak Pulse Power Rating Curve
Figure 2 - Pulse Derating Curve
100
100
Average Power
30
Non-repetitive Pulse
Waveform shown in Fig. 3
75
T
=25°C
A
10
Peak Power
(Single Pulse)
50
Impulse
Exponential
Decay
PPK".5"
td
td
1
25
Half Sine
PPK
td=7tp
Square
PPK
td
Current Waveforms
0
0.1
0.1s
1.0s
10s
100s
1.0ms
10ms
0
25
50
75
100
125
150
t
- Pulse Width (sec.)
TL - LeadTemperature (ºC)
d
Figure 3 - PulseWaveform
Figure 4 - AC Line Protection Application
150
t =10μsec
r
T
=25°C
J
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I
PPM
Peak Value
I
100
PPM
Half Value
I
PPM
2
I
PPM
( )
50
10/1000μsec. Waveform
as defined by R.E.A
Low Capacitance
Application Note: Device must be used with two
units in parallel, opposite in polarity as shown in
circuit for AC signal line protection.
t
d
0
1.0
2.0
t-Time (ms)
3.0
4.0
0
©2009 Littelfuse, Inc.
20
SACB Series
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SACB.html for current information.
Revision: January 09, 2009
TransientVoltage Suppression Diodes
Surface Mount – 500W > SACB series
Soldering Parameters
Reflow Condition
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tp
TP
Ramp-up
Critical Zone
to T
-Temperature Min (Ts(min)
)
150°C
T
L
P
TL
tL
Pre Heat -Temperature Max (Ts(max)
)
200°C
Ts(max)
-Time (min to max) (ts)
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Ramp-down
Average ramp up rate (LiquidusTemp
(TL) to peak
Ts(min)
3°C/second max
ts
Preheat
TS(max) toTL - Ramp-up Rate
3°C/second max
25˚C
-Temperature (TL) (Liquidus)
Reflow
217°C
t 25˚C to Peak
Time (t)
-Time (min to max) (ts)
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PeakTemperature (TP)
260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)
Flow/Wave Soldering (Solder Dipping)
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PeakTemperature :
DippingTime :
Soldering :
265OC
Ramp-down Rate
6°C/second max
8 minutes Max.
280°C
10 seconds
1 time
Time 25°C to peakTemperature (TP)
Do not exceed
Physical Specifications
Environmental Specifications
Weight
Case
0.003oz., 0.093g
Temperature Cycle
Pressure Cooker
HighTemp. Storage
HTRB
JESD22-A104
JEDEC DO-214AA molded plastic body
over glass passivated junction.
JESD 22-A102
JESD22-A103
JESD22-A108
JESD22-A106
Color band denotes cathode except
Bidirectional
Polarity
MatteTin-plated leads. Solderable per
JESD22-B102D.
Terminal
Thermal Shock
Dimensions
DO-214AA (SMB J-Bend)
Inches
Millimeters
Min Max
Dimensions
Min
Max
Cathode Band
A
B
C
D
E
F
0.077
0.160
0.130
0.084
0.030
-
0.086
0.180
0.155
0.096
0.060
0.008
0.220
0.012
1.950
4.060
3.300
2.130
0.760
-
2.200
4.570
3.940
2.440
1.520
0.203
5.590
0.305
C
A
B
H
G
H
0.205
0.006
5.210
0.152
D
F
E
G
©2009 Littelfuse, Inc.
21
SACB Series
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SACB.html for current information.
Revision: January 09, 2009
TransientVoltage Suppression Diodes
Surface Mount – 500W > SACB series
Part Numbering System
Part Marking System
Cathode Band
SACB XX
Series Type
Stand Off Voltage
F
Littelfuse Logo
Product Type
Packaging
Component
Package
Packaging
Option
Part number
Quantity
Packaging Specification
SACBXX
DO-214AA
3000
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EIA STD RS-481
Schematic
Transient
Voltage
Suppressor
Diode
©2009 Littelfuse, Inc.
22
SACB Series
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SACB.html for current information.
Revision: January 09, 2009
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