Transient Voltage Suppression Diodes
Axial Leaded – 500W > SA series
RoHS
SA Series
Description
The SA Series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Features
resistance
less than 1μA
R
above 13V
soldering guaranteed:
260°C/40 seconds /
0.375”
,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
Underwriters Laboratory
Flammability classification
94V-O
temperature coefficient
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E128662/E230531
ΔV
BR
= 0.1% x V
BR
@25°C x ΔT
junction in DO-15 Package
capability at 10×1000μs
waveform, repetition rate
(duty cycles):0.01%
typically less than 1.0ps
from 0 Volts to BV min
Unit
Maximum Ratings and Thermal Characteristics
(T
A
=25
O
C unless otherwise noted)
Parameter
Peak Pulse Power Dissipation by
10x1000μs test waveform (Fig.1)
(Note 1)
Steady State Power Dissipation on
infinite heat sink at T
L
=75ºC (Fig. 5)
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
only (Note 2)
Maximum Instantaneous Forward
Voltage at 35A for Unidirectional
only (Note 3)
Operating Junction and Storage
Temperature Range
Typical Thermal Resistance Junction
to Lead
Typical Thermal Resistance Junction
to Ambient
Symbol
P
PPM
P
D
I
FSM
V
F
T
J
, T
STG
R
uJL
R
uJA
Value
500
3.0
70
3.5/5.0
-55 to 175
20
75
capability
W
Applications
W
A
V
°C
°C/W
°C/W
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.
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above T
A
= 25
O
C per Fig. 2.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
_
_
3. V
F
<3.5V for devices of V
BR
<
200V and V
F
<5.0V for devices of V
BR
>
201V.
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SA.html for current information.
71
Revision: January 09, 2009
SA Series
SA Series
Transient Voltage Suppression Diodes
Axial Leaded – 500W > SA series
Electrical Characteristics
Part
Number
(Uni)
SA5.0A
SA6.0A
SA6.5A
SA7
.0A
SA7
.5A
SA8.0A
SA8.5A
SA9.0A
SA10A
SA11A
SA12A
SA13A
SA14A
SA15A
SA16A
SA17A
SA18A
SA20A
SA22A
SA24A
SA26A
SA28A
SA30A
SA33A
SA36A
SA40A
SA43A
SA45A
SA48A
SA51A
SA54A
SA58A
SA60A
SA64A
SA70A
SA75A
SA78A
SA85A
SA90A
SA100A
SA110A
SA120A
SA130A
SA150A
SA160A
SA170A
SA180A
Part
Number
(Bi)
SA5.0CA
SA6.0CA
SA6.5CA
SA7
.0CA
SA7
.5CA
SA8.0CA
SA8.5CA
SA9.0CA
SA10CA
SA11CA
SA12CA
SA13CA
SA14CA
SA15CA
SA16CA
SA17CA
SA18CA
SA20CA
SA22CA
SA24CA
SA26CA
SA28CA
SA30CA
SA33CA
SA36CA
SA40CA
SA43CA
SA45CA
SA48CA
SA51CA
SA54CA
SA58CA
SA60CA
SA64CA
SA70CA
SA75CA
SA78CA
SA85CA
SA90CA
SA100CA
SA110CA
SA120CA
SA130CA
SA150CA
SA160CA
SA170CA
SA180CA
Reverse
Stand off
Voltage
V
R
(V)
5.0
6.0
6.5
7
.0
7
.5
8.0
8.5
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17
.0
18.0
20.0
22.0
24.0
26.0
28.0
30.0
33.0
36.0
40.0
43.0
45.0
48.0
51.0
54.0
58.0
60.0
64.0
70.0
75.0
78.0
85.0
90.0
100.0
110.0
120.0
130.0
150.0
160.0
170.0
180.0
Breakdown Voltage
V
BR
(Volts) @ I
T
MIN
6.40
6.67
7
.22
7
.78
8.33
8.89
9.44
10.00
11.10
12.20
13.30
14.40
15.60
16.70
17
.80
18.90
20.00
22.20
24.40
26.70
28.90
31.10
33.30
36.70
40.00
44.40
47
.80
50.00
53.30
56.70
60.00
64.40
66.70
71.10
77
.80
83.30
86.70
94.40
100.00
111.00
122.00
133.00
144.00
167
.00
178.00
189.00
200.00
MAX
7
.00
7
.37
7
.98
8.60
9.21
9.83
10.40
11.10
12.30
13.50
14.70
15.90
17
.20
18.50
19.70
20.90
22.10
24.50
26.90
29.50
31.90
34.40
36.80
40.60
44.20
49.10
52.80
55.30
58.90
62.70
66.30
71.20
73.70
78.60
86.00
92.10
95.80
104.00
111.00
123.00
135.00
147
.00
159.00
185.00
197
.00
209.00
233.00
Test
Current
I
T
(mA)
10
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Maximum
Clamping
Voltage
V
C
@ I
PP
(V)
9.2
10.3
11.2
12.0
12.9
13.6
14.4
15.4
17
.0
18.2
19.9
21.5
23.2
24.4
26.0
27
.6
29.2
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
72.7
77
.4
82.4
87
.1
93.6
96.8
103.0
113.0
121.0
126.0
137
.0
146.0
162.0
177
.0
193.0
209.0
243.0
259.0
275.0
289.0
Maximum
Peak Pulse
Current I
pp
(A)
55.4
49.5
45.5
42.5
39.5
37
.5
35.4
33.1
30.0
28.0
25.6
23.7
22.0
20.9
19.6
18.5
17
.5
15.7
14.4
13.1
12.1
11.2
10.5
9.6
8.8
7
.9
7
.3
7
.0
6.6
6.2
5.9
5.4
5.3
5.0
4.5
4.2
4.0
3.7
3.5
3.1
2.9
2.6
2.4
2.1
2.0
1.9
1.7
Maximum
Reverse
Leakage I
R
@ V
R
(μA)
600
600
400
150
50
25
10
5
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Agency
Approval
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
For bidirectional type having V
R
of 10 volts and less, the I
R
limit is double.
For parts without A, the V
BR
is ± 10%.
SA Series
72
Revision: January 09, 2009
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SA.html for current information.
Transient Voltage Suppression Diodes
Axial Leaded – 500W > SA series
Ratings and Characteristic Curves
(T =25°C unless otherwise noted)
A
Figure 1 - Peak Pulse Power Rating Curve
30
P
PPM
- Peak Pulse Power (KW)
Figure 2 - Pulse Derating Curve
100
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage, %
Non-repetitive Pulse
Waveform Shown in Fig. 3
TA=25ûC
10
75
Exponential
50
1
P
P
P
Td
Td
Half SINE
25
Td
Square
0.1
01.μs
1.0μs
10μs
100μs
1.0ms
10ms
0
0
25
50
75
100 125 150
175 200
T
A
- Ambient Temperature (ºC)
td- Pulse Width (sec.)
Figure 3 - Pulse Waveform
150
I
PPM
- Peak Pulse Current, % I
RSM
tr=10μsec
Peak Value
IPPM
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to
50%
of IPPM
Figure 4 - Typical Junction Capacitance
10000
Bi-directional V=0V
1000
Uni-directional @ V
R
Uni-directional V=0V
100
Half Value
IPPM
IPPM
2
Cj (pF)
( )
10/1000μsec. Waveform
as defined by R.E.A
100
Bi-directional @ V
R
50
10
Tj=25C
f=1.0MHz
Vsig=50mVp-p
0
td
0
1.0
2.0
t-Time (ms)
3.0
4.0
1
1.0
10.0
100.0
1000.0
V
BR
- Reverse Breakdown Voltage (V)
Figure 5 - Steady State Power Derating Curve
Figure 6 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
80
I
FSM
- Peak Forward Surge Current
(A)
70
60
50
40
30
20
10
0
1
10
Number of Cycles at 60 Hz
100
3.5
Steady State Power Dissipation (W)
3
2.5
2
1.5
1
0.5
0
0
25
50
75
100
125
150
175
200
T
L
- Lead Temperature(ºC)
L = 0.375” (9.5mm)
Lead Lengths
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SA.html for current information.
73
Revision: January 09, 2009
SA Series
SA Series
Transient Voltage Suppression Diodes
Axial Leaded – 500W > SA series
Soldering Parameters
Reflow Condition
- Temperature Min (T
s(min)
)
Pre Heat
- Temperature Max (T
s(max)
)
- Time (min to max) (t
s
)
Average ramp up rate (Liquidus Temp
(T
L
) to peak
T
S(max)
to T
L
- Ramp-up Rate
Reflow
- Temperature (T
L
) (Liquidus)
- Time (min to max) (t
s
)
260
+0/-5
°C
3°C/second max
3°C/second max
217°C
25˚C
t 25˚C to Peak
T
P
t
p
Ramp-up
Critical Zone
T
L
to T
P
150°C
Temperature (T)
200°C
T
L
T
s(max)
t
L
Ramp-down
T
s(min)
t
s
Preheat
Time (t)
Peak Temperature (T
P
)
Time within 5°C of actual peak
Temperature (t
p
)
Ramp-down Rate
Time 25°C to peak Temperature (T
P
)
Do not exceed
Flow/Wave Soldering (Solder Dipping)
6°C/second max
8 minutes Max.
280°C
Peak Temperature :
Dipping Time :
Soldering :
265
O
C
10 seconds
1 time
Physical Specifications
Weight
Case
Polarity
Terminal
0.015oz., 0.4g
JEDEC DO-204AC (DO-15) molded
plastic body over passivated junction.
Color band denotes the cathode except
Bipolar.
Matte Tin axial leads, solderable per
JESD22-B102D.
Environmental Specifications
Temperature Cycle
Pressure Cooker
High Temp. Storage
HTRB
Thermal Shock
JESD22-A104
JESD 22-A102
JESD22-A103
JESD22-A108
JESD22-A106
Dimensions
Dimensions
Inches
Min
1.000
0.230
0.028
0.104
Max
-
0.300
0.034
0.140
Millimeters
Min
25.40
5.80
0.71
2.60
Max
-
7
.60
0.86
3.60
D
C
A
B
A
A
B
C
D
DO-204AC (DO-15)
SA Series
74
Revision: January 09, 2009
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SA.html for current information.
Transient Voltage Suppression Diodes
Axial Leaded – 500W > SA series
Part Numbering System
SAxxx XX X
OPTION CODE:
BLANK
Reel
Tape
-B
Bulk Packaging
TYPE CODE:
A
Uni-Directional (5% Voltage
Tolerance)
CA
Bi-Directional
VOLTAGE CODE
(Refer to the Electrical Characteristics table)
SERIES CODE
Part Marking System
Cathode Band
SAXXX
F
Littelfuse Logo
Product Type
Packaging
Part Number
SAxxxXX
SAxxxXX-B
Component
Package
DO-204AC
DO-204AC
Quantity
4000
1000
Packaging
Option
Tape & Reel
Bulk
Packaging Specification
EIA STD RS-296E
Littelfuse Concord Packing Spec. DM-0016
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SA.html for current information.
75
Revision: January 09, 2009
SA Series
SA Series
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