OBSOLETE/EOL
SA5.0A Series
500 Watt Peak Power
Littelfuse
Zener
Transient Voltage
Suppressors
Unidirectional
The SA5.0A 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 SA5.0A series is supplied in
the
Littelfuse
exclusive,
cost-effective, highly reliable
axial leaded package and is ideally-suited for use in
communication systems, numerical controls, process controls,
medical equipment, business machines, power supplies and many
other industrial/consumer applications.
Features
Cathode
Anode
DATE
June/30/2018
PCN/ECN#
LFPCN41246
REPLACED BY
SA Series
Littelfuse.com
•
•
•
•
•
•
•
•
•
Working Peak Reverse Voltage Range
−
5.0 to 170 V
Peak Power
−
500 Watts @ 1.0 ms
ESD Rating of Class 3 (>16 kV) per Human Body Model
Maximum Clamp Voltage @ Peak Pulse Current
Low Leakage < 1
mA
above 8.5 V
UL 497B for Isolated Loop Circuit Protection
Maximum Temperature Coefficient Specified
Response Time is typically < 1.0 ns
Pb−Free Packages are Available
AXIAL LEAD
CASE 59AA
PLASTIC
MARKING DIAGRAM
A
SAxxxA
YYWWG
G
Mechanical Characteristics:
CASE:
Void-free, Transfer-molded, Thermosetting Plastic
FINISH:
All external surfaces are corrosion resistant and leads are
readily solderable
MAXIMUM LEAD TEMPERATURE FOR SOLDERING:
A
SAxxxA
260°C, 1/16 in. from the case for 10 seconds
POLARITY:
Cathode indicated by polarity band
MOUNTING POSITION:
Any
= Assembly Location
= Device Number
(Refer to Table on Page 3)
YY
= Year
WW
= Work Week
G
= Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
SAxxxAG
SAxxxARLG
SAxxxALFG**
Package
Axial Lead
(Pb−Free)
Axial Lead
(Pb−Free)
Axial Lead
(Pb−Free)
Shipping
1000 Units / Box
5000 / Tape & Reel
2000 Units / Box
**Lead formed device.
Specifications subject to change without notice.
© 2016 Littelfuse, Inc.
September 19, 2016 − Rev.
13
1
Publication Order Number:
SA5.0A/D
SA5.0A Series
MAXIMUM RATINGS
Rating
Peak Power Dissipation (Note 1) @ T
L
≤
25°C
Steady State Power Dissipation @ T
L
≤
25°C, Lead Length = 3/8 in
Derated above T
L
= 50°C
Thermal Resistance, Junction−to−Lead
Forward Surge Current (Note 2) @ T
A
= 25°C
Operating and Storage Temperature Range
Symbol
P
PK
P
D
R
qJL
I
FSM
T
J
, T
stg
Value
500
3.0
30
33.3
70
− 55 to +150
Unit
W
W
mW/°C
°C/W
A
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Nonrepetitive current pulse per Figure 4 and derated above T
A
= 25°C per Figure 5.
2. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute.
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless
otherwise noted, V
F
= 3.5 V Max. @ I
F
(Note 6) = 35 A)
Symbol
I
PP
V
C
V
RWM
I
R
V
BR
I
T
QV
BR
I
F
V
F
Parameter
Maximum Reverse Peak Pulse Current
Clamping Voltage @ I
PP
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @ V
RWM
Breakdown Voltage @ I
T
Test Current
Maximum Temperature Variation of V
BR
Forward Current
Forward Voltage @ I
F
V
C
V
BR
V
RWM
I
F
I
I
R
V
F
I
T
V
I
PP
Uni−Directional TVS
Specifications subject to change without notice.
© 2016 Littelfuse, Inc.
September 19, 2016 − Rev.
13
2
Publication Order Number:
SA5.0A/D
SA5.0A Series
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted, V
F
= 3.5 V Max. @ I
F
(Note 6) = 35 A)
Device
Marking
SA5.0A
SA6.0A
SA7.0A
SA10A
SA12A
SA13A
SA15A
SA16A
SA17A
SA18A
SA20A
SA24A
SA26A
SA28A
SA30A
SA33A
SA36A
SA51A
SA64A
SA100A
SA170A
V
RWM
(Note 3)
Volts
5
6
7
10
12
13
15
16
17
18
20
24
26
28
30
33
36
51
64
100
170
Breakdown Voltage
I
R
@ V
RWM
mA
600
600
150
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
V
BR
(Note 4)
(Volts)
Min
6.4
6.67
7.78
11.1
13.3
14.4
16.7
17.8
18.9
20
22.2
26.7
28.9
31.1
33.3
36.7
40
56.7
71.1
111
189
Nom
6.7
7.02
8.19
11.7
14
15.15
17.6
18.75
19.9
21.05
23.35
28.1
30.4
32.75
35.05
38.65
42.1
59.7
74.85
117
199
Max
7
7.37
8.6
12.3
14.7
15.9
18.5
19.7
20.9
22.1
24.5
29.5
31.9
34.4
36.8
40.6
44.2
62.7
78.6
123
209
@ I
T
mA
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
V
C
@ I
PP
(Note 5)
V
C
Volts
9.2
10.3
12
17
19.9
21.5
24.4
26
27.6
29.2
32.4
38.9
42.1
45.4
48.4
53.3
58.1
82.4
103
162
275
I
PP
A
54.3
48.5
41.7
29.4
25.1
23.2
20.6
19.2
18.1
17.2
15.4
12.8
11.9
11
10.3
9.4
8.6
6.1
4.9
3.1
1.8
QV
BR
mV/°C
5
5
6
10
12
13
16
17
19
20
23
28
30
31
36
39
41
61
76
123
208
Device*
SA5.0A, G
SA6.0AG
SA7.0ARLG
SA10AG
SA12AG
SA13AG
SA15AG
SA16AG
SA17ARLG
SA18ARLG
SA20ARLG
SA24AG
SA26ARLG
SA28ARLG
SA30ARLG
SA33ARLG
SA36AG
SA51AG
SA64ALFG
SA100AG
SA170ARLG
3.
The
transients suppressor is normally selected according to the maximum working peak reverse voltage (V
RWM
), which should be
equal to or greater than the dc or continuous peak operating voltage level.
4. V
BR
measured at pulse test current I
T
at an ambient temperature of 25°C.
5. Surge current waveform per Figure 4 and derate per Figures 1 and 2.
6. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute
*The “G’’ suffix indicates Pb−Free package or Pb−Free Packages available.
P K , PEAK POWER (kW)
P
NONREPETITIVE PULSE
WAVEFORM SHOWN IN
FIGURE 4
10
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT @ T A = 25 C
°
100
100
80
60
40
20
0
0
25
50 75 100 125 150 175 200
T
A
, AMBIENT TEMPERATURE (°C)
1
0.1
0.1
ms
1
ms
10
ms
100
ms
1 ms
10 ms
t
p
, PULSE WIDTH
Figure 1. Pulse Rating Curve
Figure 2. Pulse Derating Curve
Specifications subject to change without notice.
© 2016 Littelfuse, Inc.
September 19, 2016 − Rev.
13
3
Publication Order Number:
SA5.0A/D
SA5.0A Series
PULSE WIDTH (t
p
) IS
DEFINED AS THAT POINT
WHERE THE PEAK
CURRENT DECAYS TO
50% OF I
PP
.
I
PP
2
t
r
≤
10
ms
10,000
C, CAPACITANCE (pF)
MEASURED @
ZERO BIAS
100
VALUE (%)
PEAK VALUE − I
PP
1000
HALF VALUE −
50
t
P
100
MEASURED @
(V
RWM
)
1
10
100
1000
0
0
10
0.1
1
2
3
4
V
BR
, BREAKDOWN VOLTAGE (VOLTS)
t, TIME (ms)
Figure 3. Capacitance versus Breakdown Voltage
Figure 4. Pulse Waveform
PD, STEADY STATE POWER DISSIPATION (WATTS)
5
4
3
2
1
0
3/8″
3/8″
0 25 50 75 100 125 150 175 200
T
L
, LEAD TEMPERATURE (°C)
Figure 5. Steady State Power Derating
UL RECOGNITION*
The entire series including the bidirectional CA suffix has
Underwriters Laboratory Recognition
for the classification
of protectors (QVGQ2) under the UL standard for safety
497B and File
#E128662
. Many competitors only have one
or two devices recognized or have recognition in a
non-protective category. Some competitors have no
recognition at all. With the UL497B recognition, our parts
successfully passed several tests including Strike Voltage
Breakdown test, Endurance Conditioning, Temperature test,
Dielectric Voltage-Withstand test, Discharge test and
several more.
Whereas, some competitors have only passed a
flammability test for the package material, we have been
recognized for much more to be included in their protector
category.
*Applies to SA5.0A − SA170A.
Specifications subject to change without notice.
© 2016 Littelfuse, Inc.
September 19, 2016 − Rev.
13
4
Publication Order Number:
SA5.0A/D
SA5.0A Series
PACKAGE DIMENSIONS
AXIAL LEAD
CASE 59AA−01
ISSUE A
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. ALL RULES AND NOTES ASSOCIATED WITH
JEDEC DO−41 OUTLINE SHALL APPLY.
4. POLARITY DENOTED BY CATHODE BAND.
5. LEAD DIAMETER NOT CONTROLLED WITHIN
F DIMENSION.
6. REPLACES CASE 59−09.
DIM
A
B
D
K
INCHES
MIN
MAX
0.228 0.299
0.102 0.142
0.028 0.034
1.000
−−−
MILLIMETERS
MIN
MAX
5.80
7.60
2.60
3.60
0.71
0.86
25.44
−−−
B
K
D
A
POLARITY INDICATOR
OPTIONAL AS NEEDED
(SEE STYLES)
K
Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military,
aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or
any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property
damage) other than those expressly set forth in applicable Littelfuse
product documentation.
Warranties granted by Littelfuse shall be
deemed void for products used for any purpose not expressly set forth in applicable
Littelfuse documentation. Littelfuse shall not be
liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in
applicable
Littelfuse documentation. The sale and use of Littelfuse products
is subject to Littelfuse Terms and Conditions of Sale,
unless otherwise agreed by Littelfuse.
Littelfuse.com
Specifications subject to change without notice.
© 2016 Littelfuse, Inc.
September 19, 2016 − Rev.
13
5
Publication Order Number:
SA5.0A/D
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