Surface Mount Transient Voltage Suppressors (TVS)
SACB Series
Description
The SACB series is designed specifically to protect sensitive electronic
equipment from voltage transients induced by lightning and other transient
voltage events.
5.0 To 50 V
500W
Low Capacitance
Uni-directional
Features
u
u
u
u
u
u
Glass passivated chip
500W peak pulse power capability with a 10/1000µs waveform,
repetitive rate (duty cycle): 0.01%
Low leakage
Excellent clamping capability
Very fast response time
RoHS compliant
Applications
TVS devices are ideal for the protection of I/O interfaces, V
CC
bus and other
vulnerable circuits used in Telecom, Computer, Industrial and Consumer
electronic applications.
Maximum Ratings
(T
A
=25℃ unless otherwise noted)
Parameter
Symbol
P
PPM
I
PP
P
M(AV)
T
J
, T
STG
Value
500
See Next Table
3.0
-55 to +150
Unit
Watts
Amps
Watt
°C
Peak Pulse Power Dissipation with a 10/1000µs waveform
(1)
Peak Pulse Current with a 10/1000µs waveform.(Fig.2)
(1)
Power Dissipation on Infinite Heat Sink at T
L
=75°C (Fig.2)
Operating junction and Storage Temperature Range
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above TA= 25°C per Fig. 2
Electrical Characteristics
(T
A
=25℃ unless otherwise noted)
Breakdown
Voltage V
BR
@I
T
=1.0mA
(V)
Maximum
Reverse
Leakage
I
R
@V
RWM
(μA)
Maximum
Clamping
Voltage
V
C
@I
PP
(V)
Maximum
Peak
Pulse
Current
I
PP
(A)
Maximum
Junction
Capacitance
@0V
(pF)
Working
Inverse
Blocking
Voltage
V
WIB
(V)
Inverse
Blocking
Leakage
Current
I
IB
@V
WIB
(mA)
Peak
Inverse
Voltage
V
PIB
(V)
Part
Number
Device
Marking
Code
Reverse
Stand-Off
Voltage
V
RWM
(V)
MIN
SACB5.0
SACB6.0
SACB7.0
SACB8.0
SACB8.5
SACB10
SACB12
SACB15
SACB18
SACB22
SACB26
SACB30
SACB36
SACB45
SACB50
SAD
SAE
SAF
SAG
SAH
SAK
SAL
SAM
SAN
SAP
SAQ
SAR
SAS
SAT
SAU
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
16.67
20.00
24.40
28.90
33.30
40.00
50.00
55.50
300
300
300
100
50
5
5
5
5
5
5
5
5
5
5
10.0
11.2
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
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
6.8
5.8
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
100
100
100
100
100
100
100
100
100
100
100
100
100
200
200
UN Semiconductor Co., Ltd.
Revision
October 18, 2013
www.unsemi.com.tw
1/4
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors (TVS)
SACB Series
5.0 To 50 V
500W
Low Capacitance
Ratings and Characteristic Curves (T
A
=25°C unless otherwise noted)
Figure 1 - Peak Pulse Power Rating Curve
100
Figure 2 - Pulse Derating Curve
100
Percentage of Rated Power (I
PP
)
Power Dissipation
P
PPM
- Peak Pulse Power (kW)
80
10
“0.5”
P
PK
td
60
Peak Power (Single Pulse)
TJ=Initial Temperature
Impulse
Exponential
td=7tp
Half Sine
Square
40
1
P
PK
td
20
P
PK
td
0.1
0.1
1
Current Waveforms
0
1000
10000
0
25
50
75
100
125
T
L
- Lead temperature(°C)
150
175
10
100
t
d
- Pulse Width (μs)
Figure 3 - Pulse Waveform
150
Figure 4
–
AC Line Protection Application
I
PPM
- Peak Pulse Current, % I
RSM
t
r
=10µsec
Peak Value
IPPM
100
T
J
=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I
PPM
Low
Capacitance
Half Value
I
PPM
(I
PPM
/2)
TVS
50
10/1000µsec. Waveform
as defined by R.E.A
0
0
t
c
1.0
2.0
t - Time (ms)
3.0
4.0
Application Note:
Device must be used with two
units in parallel, opposite in polarity as shown in
circuit for AC signal line protection.
UN Semiconductor Co., Ltd.
Revision
October 18, 2013
www.unsemi.com.tw
2/4
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors (TVS)
SACB Series
5.0 To 50 V
500W
Low Capacitance
Environmental Specifications
Temperature Cycle
Pressure Cooker
High Temp. Storage
HTRB
Thermal Shock
JESD22-A104
JESD22-A102
JESD22-A103
JESD22-A108
JESD22-A106
Physical Specifications
Weight
Case
Polarity
Terminal
0.015 ounce, 0.4 gram
JEDEC DO-204AC (DO-15) Molded
Plastic over glass passivated junction
Color band denotes cathode except
Bipolar
Matte Tin-plated leads, Solderable per
JESD22-B102D
Soldering Parameters
Reflow Condition
T
P
Ramp-up
Critical Zone
T
L
to T
P
Lead–free assembly
150°C
200°C
60 -180 Seconds
3°C/second max
3°C/second max
217°C
60 -150 Seconds
260 +0/-5°C
of
actual
peak
20 -40 Seconds
6°C/second max
8 minutes Max
280°C
-Temperature Min (T
s(min)
)
Pre Heat
-Temperature Max (T
s(max)
)
- Time (min to max) (t
s
)
Ramp-down
T
L
T
S(max)
Temperature
Average ramp up rate ( Liquidus Temp T
L
)
to peak
T
S(max)
to TL - Ramp-up Rate
T
S(min)
Preheat
Reflow
- Temperature (T
L
) (Liquidus)
- Time (min to max) (t
s
)
25
Time to peak temperature
(t 25℃ to peak)
Peak Temperature (T
P
)
Time
Time within 5°C
Temperature (t
p
)
Ramp-down Rate
Time 25°C to peak Temperature (T
P
)
Do not exceed
Dimensions
DO-214AA (SMB)
Cathode Band
Dimensions
A
B
C
D
E
F
G
H
I
J
K
L
Inches
Min
0.077
0.171
0.130
0.084
0.030
-
0.201
0.006
0.089
0.085
-
0.085
Max
0.087
0.191
0.155
0.096
0.060
0.008
0.216
0.012
-
-
0.107
-
Millimeters
Min
1.960
4.350
3.300
2.130
0.750
-
5.100
0.152
2.260
2.160
-
2.160
Max
2.200
4.850
3.940
2.440
1.520
0.203
5.500
0.305
-
-
2.740
-
UN Semiconductor Co., Ltd.
Revision
October 18, 2013
www.unsemi.com.tw
3/4
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors (TVS)
SACB Series
Part Numbering
5.0 To 50 V
500W
Low Capacitance
SACB
×××
V
R
VOLTAGE
SERIES
Packaging
Part Number
SACBXXX
Component
Package
DO-214AA(SMB)
Quantity
500
Packaging
Option
Packaging
Specification
EIA STD RS-481
Tape & Reel -12mm/7″tape
Tape and Reel Specifications
7.0
(177.8)
0.157
(4.0)
0.059 Diameter
(1.5)
0.512(13.0)
Arbor Hole Diameter
0.36
(9.2)
0.315
(8.0)
Cover tape
0.472
(12.0)
0.49
(12.4)
Direction of Feed
Dimensions are in inches
(and millimeters)
UN Semiconductor Co., Ltd.
Revision
October 18, 2013
www.unsemi.com.tw
4/4
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
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