SA Series - Littelfuse

TVS Diodes
Axial Leaded – 500W > SA series
SA Series
RoHS
Pb e3
Description
The SA Series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Bi-directional
Features
Uni-directional
• EFT protection of data
lines in accordance with
IEC 61000-4-4 (IEC801-4)
(αT:Temperature Coefficient)
•
Low incremental surge
• Glass passivated chip
resistance
junction in DO-15 Package
•
Typical IR less than 1μA
• 500W peak pulse
above
13V
capability at 10/1000μs
waveform, repetition rate • High temperature
(duty cycles):0.01%
soldering guaranteed:
260°C/40 seconds /
• Fast response time:
0.375”,(9.5mm) lead
typically less than 1.0ps
length, 5 lbs., (2.3kg)
from 0 Volts to BV min
tension
• Excellent clamping
•
Plastic package has
capability
underwriters laboratory
• Typical failure mode is
flammability classification
short from over-specified
94V-O
voltage or current
•
Matte tin lead–free plated
• Whisker test is conducted
•
Halogen
free and RoHS based on JEDEC
compliant
JESD201A per its table 4a
and 4c
• 2nd level interconnect is
Pb-free per IPC/JEDEC
• IEC-61000-4-2 ESD
J-STD-609A.01
15kV(Air), 8kV (Contact).
• ESD protection of data
lines in accordance with
IEC 61000-4-2 (IEC801-2)
• VBR @TJ= [email protected]°C x (1+αT
x (TJ - 25))
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E128662/E230531
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Symbol
Value
Unit
PPPM
500
W
PD
3.0
W
IFSM
70
A
VF
3.5/5.0
V
TJ , TSTG
-55 to 175
°C
Typical Thermal Resistance Junction
to Lead
RuJL
20
°C/W
Typical Thermal Resistance Junction
to Ambient
RuJA
75
°C/W
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1)
Steady State Power Dissipation on
Infinite Heat Sink at TL=75ºC (Fig. 6)
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
Applications
TVS devices are ideal for the protection of I/O interfaces,
VCC bus and other vulnerable circuits used in telecom,
computer, industrial and consumer electronic applications.
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above TA = 25OC per Fig. 3.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
_ 200V and VF<5.0V for devices of VBR >
_ 201V.
3. VF<3.5V for devices of VBR <
Functional Diagram
Bi-directional
Cathode
Anode
Uni-directional
SA Series
102
©2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/09/14
TVS Diodes
Axial Leaded – 500W > SA series
Electrical Characteristics (T =25°C unless otherwise noted)
A
Part
Number
(Uni)
Part
Number
(Bi)
Reverse
Stand off
Voltage
VR (V)
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
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
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
MIN
MAX
Test
Current
IT
(mA)
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
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
221.00
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
Breakdown Voltage VBR
(Volts) @ IT
Maximum
Clamping
Voltage
[email protected] IPP
(V)
Maximum
Peak Pulse
Current Ipp
(A)
Maximum
Reverse
Leakage IR
@ VR
(µA)
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
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
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 VR of 10 volts and less, the IR limit is double.
For parts without A , the VBR is + 10% and Vc is 5% higher than with A parts.
SA Series
103
©2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/09/14
TVS Diodes
Axial Leaded – 500W > SA series
I-V Curve Characteristics
Bi-directional
Uni-directional
Ipp
Vc VBR VR
V
IR VF
IT
IT
IR
Vc VBR VR
IR
IT
V
Ipp
Ipp
PPPM
VR
VBR
VC
IR
VF
VR VBR Vc
Peak Pulse Power Dissipation -- Max power dissipation
Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT)
Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ippm (peak impulse current)
Reverse Leakage Current -- Current measured at VR
Forward Voltage Drop for Uni-directional
Ratings and Characteristic Curves (T =25°C unless otherwise noted)
A
Figure 1 - TVS Transients Clamping Waveform
Figure 2 - Peak Pulse Power Rating
Voltage Transients
PPPM- Peak Pulse Power (KW)
30
Voltage or Current
Voltage Across TVS
Current Through TVS
Non-repetitive Pulse
Waveform Shown in Fig. 3
TA=25ûC
10
1
P
P
P
0.1
01.µs
Exponential
Td
Td
Half SINE
Td
1.0µs
Square
10µs
100µs
1.0ms
10ms
td- Pulse Width (sec.)
Time
continues on next page.
SA Series
104
©2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/09/14
TVS Diodes
Axial Leaded – 500W > SA series
Ratings and Characteristic Curves (T =25°C unless otherwise noted) (Continued)
A
Figure 4 - Pulse Waveform
100
150
IPPM- Peak Pulse Current, % IRSM
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage, %
Figure 3 - Pulse Derating Curve
75
50
25
0
0
25
50
75
100
125 150
tr=10µsec
Peak Value
IPPM
100
Half Value
IPPM IPPM
( )
2
50
10/1000µsec. Waveform
as defined by R.E.A
td
0
175 200
1.0
0
TA- Ambient Temperature (˚C)
2.0
3.0
4.0
t-Time (ms)
Figure 5 - Typical Junction Capacitance
Figure 6 - Steady State Power Derating Curve
10000
3.5
Steady State Power Dissipation (W)
Bi-directional V=0V
Uni-directional V=0V
1000
Uni-directional @ VR
Cj (pF)
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
100
Bi-directional @ VR
10
Tj=25C
f=1.0MHz
Vsig=50mVp-p
1
1.0
10.0
100.0
3
2.5
2
1.5
1
0.5
0
1000.0
VBR - Reverse Breakdown Voltage (V)
L = 0.375” (9.5mm)
Lead Lengths
0
25
50
75
100
125
150
175
200
TL - Lead Temperature(ºC)
Figure 7 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
IFSM - Peak Forward Surge Current
(A)
80
70
60
50
40
30
20
10
0
SA Series
1
10
Number of Cycles at 60 Hz
100
105
©2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/09/14
TVS Diodes
Axial Leaded – 500W > SA series
Soldering Parameters
Pre Heat
Lead–free assembly
Ramp-up
- Temperature Min (Ts(min))
150°C
- Temperature Max (Ts(max))
200°C
- Time (min to max) (ts)
60 – 180 secs
TL
Average ramp up rate (Liquidus Temp (TL)
to peak
3°C/second max
TS(max) to TL - Ramp-up Rate
3°C/second max
Reflow
tp
TP
Temperature (T)
Reflow Condition
tL
Ts(max)
Ramp-down
Ts(min)
ts
Preheat
25˚C
- Temperature (TL) (Liquidus)
217°C
- Time (min to max) (ts)
60 – 150 seconds
Critical Zone
TL to TP
t 25˚C to Peak
Time (t)
Peak Temperature (TP)
260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)
20 – 40 seconds
Flow/Wave Soldering (Solder Dipping)
Ramp-down Rate
6°C/second max
Peak Temperature :
265OC
Time 25°C to peak Temperature (TP)
8 minutes Max.
Dipping Time :
10 seconds
Do not exceed
280°C
Soldering :
1 time
Environmental Specifications
Physical Specifications
Weight
0.015oz., 0.4g
High Temp. Storage
JESD22-A103
Case
JEDEC DO-204AC (DO-15) molded
plastic body over passivated junction.
HTRB
JESD22-A108
Polarity
Color band denotes the cathode except
Bipolar.
Temperature Cycling
JESD22-A104
Terminal
Matte Tin axial leads, solderable per
JESD22-B102.
H3TRB
JESD22-A101
RSH
JESD22-B106
Dimensions
D
Dimensions
Cathode Band
(for Uni-directional products only)
C
A
B
A
Inches
Min
Millimeters
Max
Min
Max
A
1.000
-
25.40
-
B
0.230
0.300
5.80
7.60
C
0.028
0.034
0.71
0.86
D
0.104
0.140
2.60
3.60
DO-204AC (DO-15)
SA Series
106
©2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/09/14
TVS Diodes
Axial Leaded – 500W > SA series
Part Numbering System
Part Marking System
OPTION CODE:
BLANK Reel Tape
-B Bulk Packaging
Cathode Band
TYPE CODE:
A Uni-Directional (5% VBR Voltage Tolerance)
CA Bi-Directional (5% VBR Voltage Tolerance)
Littelfuse Logo
(for Uni-directional
products only)
VBR VOLTAGE CODE
(Refer to the Electrical Characteristics table)
F
SAxxx XX X
YYWW
Trace Code Marking
SAXXX
YY:Year Code
WW: Week Code
Product Type
SERIES CODE
Packaging
Part Number
Component
Package
Quantity
Packaging
Option
SAxxxXX
DO-204AC
4000
Tape & Reel
EIA STD RS-296
SAxxxXX-B
DO-204AC
1000
Bulk
Littelfuse Spec.
Packaging Specification
Tape and Reel Specification
Off Center
either side 2.063+0.079/-0.039
(53.0+2.0/-1.0)
0.028(0.7)
2.56
(65.0)
0.047
(1.2)
0.197+/-0.020
(5.0+/- 0.5)
13.0
(330.2)
0.236
(6.0)
Dimensions are in
inches/mm
3.0
(76.2)
0.68
(17.27)
2.75
(69.85)
Recess Depth Max. 0.75 (19.05)
SA Series
Direction of Feed
107
©2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/09/14