NS6A5.0AFT3G,
SZNS6A5.0AFT3G Series
500 Watt Peak Power Zener
Transient Voltage
Suppressors
Unidirectional
The NS6AxxAFT3G series is designed to protect voltage sensitive
components from high voltage, high energy transients. This device
has excellent clamping capability, high surge capability, low zener
impedance and fast response time. The NS6AxxAFT3G series is
ideally suited for use in computer hard disk drives, communication
systems, automotive, numerical controls, process controls, medical
equipment, business machines, power supplies and many other
industrial/consumer applications.
Specification Features:
Littelfuse.com
PLASTIC SURFACE MOUNT
ZENER OVERVOLTAGE
TRANSIENT SUPPRESSORS
Cathode
Anode
•
•
•
•
•
•
•
Peak Reverse Working Voltage Range − 5 V to 64 V
Peak Pulse Power of 500 W (10 x 1000
msec)
ESD Rating of Class 3 (>16 kV) per Human Body Model
ESD Rating of Class 4 (>8 kV) IEC 61000−4−2
Fast Response Time
Low Profile Package
SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements; AEC−Q101 Qualified and
PPAP Capable
•
These Devices are Pb−Free and are RoHS Compliant
Mechanical Characteristics:
CASE:
Void-free, transfer-molded, thermosetting plastic
FINISH:
All external surfaces are corrosion resistant and leads are
SMA−FL
CASE 403AA
MARKING DIAGRAM
xxx
AYWWG
xxx
A
Y
WW
G
= Specific Device Code
= Assembly Location
= Year
= Work Week
= Pb−Free Package
readily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
ORDERING INFORMATION
Device
NS6AxxAFT3G,
SZNS6AxxAFT3G
Package
SMA−FL
(Pb−Free)
Shipping
5000 / Tape &
Reel
260°C for 10 Seconds
LEADS:
Modified L−Bend providing more contact area to bond pads
POLARITY:
Cathode indicated by polarity band
MOUNTING POSITION:
Any
September 19, 2016 − Rev.
3
Specifications subject to change without notice.
© 2016 Littelfuse, Inc.
1
Publication Order Number:
NS6A5.0AF/D
NS6A5.0AFT3G, SZNS6A5.0AFT3G Series
MAXIMUM RATINGS
Rating
Peak Power Dissipation (Note 1) @ T
L
= 25°C, Pulse Width = 1 ms
DC Power Dissipation @ T
L
= 75°C
Measured Zero Lead Length (Note 2)
Derate Above 75°C
Thermal Resistance from Junction−to−Lead
DC Power Dissipation (Note 3) @ T
A
= 25°C
Derate Above 25°C
Thermal Resistance from Junction−to−Ambient
Forward Surge Current (Note 4) @ T
A
= 25°C
Operating and Storage Temperature Range
1.
2.
3.
4.
Symbol
P
PK
P
D
R
qJL
P
D
R
qJA
I
FSM
T
J
, T
stg
Value
500
1.5
20
50
0.5
4.0
250
40
−65 to +150
Unit
W
W
mW/°C
°C/W
W
mW/°C
°C/W
A
°C
10 X 1000
ms,
non−repetitive.
1 in square copper pad, FR−4 board.
FR−4 board, using Littelfuse minimum recommended footprint, as shown in 403AA case outline dimensions spec.
1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
otherwise noted, V
F
= 3.5 V Max. @ I
F
(Note 5) = 30 A)
Symbol
I
PP
V
C
V
RWM
I
R
V
BR
I
T
I
F
V
F
Parameter
Maximum Reverse Peak Pulse Current
Clamping Voltage @ I
PP
Working Peak Reverse Voltage
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless
I
F
I
V
C
V
BR
V
RWM
Maximum Reverse Leakage Current @ V
RWM
Breakdown Voltage @ I
T
Test Current
Forward Current
Forward Voltage @ I
F
I
R
V
F
I
T
V
I
PP
5. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms,
non−repetitive duty cycle.
Uni−Directional TVS
Specifications subject to change without notice.
© 2016 Littelfuse, Inc.
September 19, 2016 − Rev.
3
2
Publication Order Number:
NS6A5.0AF/D
NS6A5.0AFT3G, SZNS6A5.0AFT3G Series
ELECTRICAL CHARACTERISTICS
V
RWM
(Note 6)
V
5
6
6.5
7
7.5
8
8.5
9
10
11
12
13
14
15
16
17
18
20
22
24
26
28
30
33
36
40
43
45
48
51
54
58
60
Breakdown Voltage
I
R
@ V
RWM
mA
800
800
500
500
100
50
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
V
BR
(Note 7)
Volts
Min
6.4
6.67
7.22
7.78
8.33
8.89
9.44
10
11.1
12.2
13.3
14.4
15.6
16.7
17.8
18.9
20
22.2
24.4
26.7
28.9
31.1
33.3
36.7
40
44.4
47.8
50
53.3
56.7
60
64.4
66.7
Nom
6.70
7.02
7.60
8.19
8.77
9.36
9.92
10.55
11.70
12.85
14.00
15.15
16.40
17.60
18.75
19.90
21.05
23.35
25.65
28.10
30.40
32.75
35.05
38.65
42.10
46.75
50.30
52.65
56.10
59.70
63.15
67.80
70.20
Max
7
7.37
7.98
8.6
9.21
9.83
10.4
11.1
12.3
13.5
14.7
15.9
17.2
18.5
19.7
20.9
22.1
24.5
26.9
29.5
31.9
34.4
36.8
40.6
44.2
49.1
52.8
55.3
58.9
62.7
66.3
71.2
73.7
@ 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
V
C
@ I
PP
(Note 8)
V
C
V
9.2
10.3
11.2
12
12.9
13.6
14.4
15.4
17
18.2
19.9
21.5
23.2
24.4
26
27.6
29.2
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
72.2
77.4
82.4
87.1
93.6
96.8
I
PP
A
65.2
58.3
53.6
50
46.5
44.1
41.7
39
35.3
33
30.2
27.9
20.5
20.0
19.5
19.0
18.5
17.5
16.5
15.4
14.2
13.2
12.4
11.3
10.3
9.3
8.6
8.3
7.7
7.3
6.9
6.4
6.2
C
typ
(Note 9)
pF
2700
2300
2140
2005
1890
1780
1690
1605
1460
1345
1245
1160
1085
1020
965
915
870
790
730
675
630
590
555
510
470
430
400
385
365
345
330
310
300
Device*
NS6A5.0AFT3G
NS6A6.0AFT3G**
NS6A6.5AFT3G**
NS6A7.0AFT3G**
NS6A7.5AFT3G**
NS6A8.0AFT3G**
NS6A8.5AFT3G
NS6A9.0AFT3G**
NS6A10AFT3G**
NS6A11AFT3G**
NS6A12AFT3G
NS6A13AFT3G
NS6A14AFT3G**
NS6A15AFT3G
NS6A16AFT3G**
NS6A17AFT3G**
NS6A18AFT3G**
NS6A20AFT3G**
NS6A22AFT3G
NS6A24AFT3G
NS6A26AFT3G**
NS6A28AFT3G
NS6A30AFT3G
NS6A33AFT3G
NS6A36AFT3G
NS6A40AFT3G**
NS6A43AFT3G**
NS6A45AFT3G**
NS6A48AFT3G**
NS6A51AFT3G**
NS6A54AFT3G**
NS6A58AFT3G**
NS6A60AFT3G**
Device
Marking
6AA
6AB
6AC
6AD
6AE
6AF
6AG
6AH
6AI
6AL
6AJ
6AK
6AM
6AN
6AO
6AP
6AQ
6AR
6AS
6AT
6AU
6AV
6AW
6AX
6AY
6AZ
6A0
6A1
6A2
6A3
6A4
6A5
6A7
NS6A64AFT3G
6A8
64
5
71.1
74.85
78.6
1
103
5.8
280
*Includes SZ−prefix devices where applicable.
**In development. Contact local sales rep for availability.
6. A transient suppressor is normally selected according to the working peak reverse voltage (V
RWM
), which should be equal to or greater than
the DC or continuous peak operating voltage level.
7. V
BR
measured at pulse test current I
T
at an ambient temperature of 25°C.
8. Surge current waveform per Figure 1.
9. Bias Voltage = 0 V, F = 1 MHz, T
J
= 25°C.
Specifications subject to change without notice.
© 2016 Littelfuse, Inc.
September 19, 2016 − Rev.
3
3
Publication Order Number:
NS6A5.0AF/D
NS6A5.0AFT3G, SZNS6A5.0AFT3G Series
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT @ T = 25
°
C
A
PULSE WIDTH (t
P
) IS DEFINED AS
THAT POINT WHERE THE PEAK
CURRENT DECAYS TO 50% OF I
PP
.
160
140
120
100
80
60
40
20
0
0
25
50
75
100
125
150
t
r
≤
10
ms
100
VALUE (%)
PEAK VALUE - I
PP
HALF VALUE -
50
t
P
0
I
PP
2
0
1
2
t, TIME (ms)
3
4
T
A
, AMBIENT TEMPERATURE (°C)
Figure 1. 10
×
1000
ms
Pulse Waveform
Figure 2. Pulse Derating Curve
Z
in
V
in
LOAD
V
L
Figure 3. Typical Protection Circuit
Specifications subject to change without notice.
© 2016 Littelfuse, Inc.
September 19, 2016 − Rev.
3
4
Publication Order Number:
NS6A5.0AF/D
NS6A5.0AFT3G, SZNS6A5.0AFT3G Series
PACKAGE DIMENSIONS
SMA−FL
CASE 403AA
ISSUE O
E
E1
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
D
TOP VIEW
A
DIM
A
b
c
D
E
E1
L
MILLIMETERS
MIN
MAX
0.90
1.10
1.25
1.65
0.15
0.30
2.40
2.80
4.80
5.40
4.00
4.60
0.70
1.10
RECOMMENDED
SOLDER FOOTPRINT
c
SIDE VIEW
C
SEATING
PLANE
1.76
5.56
2X
b
1.30
2X
DIMENSIONS: MILLIMETERS
L
BOTTOM VIEW
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.
3
5
Publication Order Number:
NS6A5.0AF/D
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