LITTELFUSE SA78CA-B

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
t -PXJODSFNFOUBMTVSHF
resistance
t 5ZQJDBM*R less than 1μA
above 13V
ΔVBR = 0.1% x [email protected]°C x ΔT t )JHIUFNQFSBUVSF
soldering guaranteed:
t (MBTTQBTTJWBUFEDIJQ
260°C/40 seconds /
junction in DO-15 Package
0.375”,(9.5mm) lead
t 8QFBLQVMTF
length, 5 lbs., (2.3kg)
capability at 10×1000μs
tension
waveform, repetition rate
t
1MBTUJDQBDLBHFIBT
(duty cycles):0.01%
Underwriters Laboratory
t 'BTUSFTQPOTFUJNF
Flammability classification
typically less than 1.0ps
94V-O
from 0 Volts to BV min
t .BUUF5JO-FBEoGSFFQMBUFE
t &YDFMMFOUDMBNQJOH
capability
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
10x1000μs test waveform (Fig.1)
(Note 1)
Steady State Power Dissipation on
infinite heat sink at TL=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
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. 3 and derated above TA = 25OC per Fig. 2.
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 <
©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
t)BMPHFO'SFF
t 3P)4DPNQMJBOU
t 5ZQJDBMNBYJNVN
temperature coefficient
Transient Voltage Suppression Diodes
Axial Leaded – 500W > SA series
Electrical Characteristics
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
233.00
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%.
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
100
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage, %
Non-repetitive Pulse
Waveform Shown in Fig. 3
TA=25ûC
10
Exponential
P
1
P
P
Td
Td
Half SINE
Square
Td
0.1
01.μs
1.0μs
10μs
100μs
1.0ms
75
50
25
0
10ms
0
td- Pulse Width (sec.)
75
100 125 150
175 200
Figure 4 - Typical Junction Capacitance
10000
150
tr=10μsec
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Peak Value
IPPM
100
Bi-directional V=0V
Uni-directional V=0V
1000
Uni-directional @ VR
Cj (pF)
IPPM- Peak Pulse Current, % IRSM
50
TA- Ambient Temperature (ºC)
Figure 3 - Pulse Waveform
Half Value
IPPM IPPM
( )
2
100
Bi-directional @ VR
50
10/1000μsec. Waveform
as defined by R.E.A
10
Tj=25C
f=1.0MHz
Vsig=50mVp-p
td
0
1.0
0
2.0
3.0
1
1.0
4.0
t-Time (ms)
100.0
1000.0
Figure 6 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
3.5
80
IFSM - Peak Forward Surge Current
(A)
3
2.5
2
1.5
1
10.0
VBR - Reverse Breakdown Voltage (V)
Figure 5 - Steady State Power Derating Curve
Steady State Power Dissipation (W)
25
SA Series
30
PPPM- Peak Pulse Power (KW)
Figure 2 - Pulse Derating Curve
L = 0.375” (9.5mm)
Lead Lengths
0.5
70
60
50
40
30
20
10
0
0
25
50
75
100
125
150
175
0
200
1
TL - Lead Temperature(ºC)
©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
10
Number of Cycles at 60 Hz
100
SA Series
Transient Voltage Suppression Diodes
Axial Leaded – 500W > SA series
Soldering Parameters
Reflow Condition
-FBEoGSFFBTTFNCMZ
Pre Heat
Ramp-up
150°C
- Temperature Max (Ts(max))
200°C
- Time (min to max) (ts)
oTFDT
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
Critical Zone
TL to TP
TL
Temperature (T)
- Temperature Min (Ts(min))
tp
TP
tL
Ts(max)
Ramp-down
Ts(min)
ts
Preheat
25˚C
- Temperature (TL) (Liquidus)
217°C
- Time (min to max) (ts)
oTFDPOET
t 25˚C to Peak
Time (t)
Peak Temperature (TP)
260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)
oTFDPOET
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
Physical Specifications
Environmental Specifications
Weight
0.015oz., 0.4g
Temperature Cycle
JESD22-A104
Case
JEDEC DO-204AC (DO-15) molded
plastic body over passivated junction.
Pressure Cooker
JESD 22-A102
Polarity
Color band denotes the cathode except
Bipolar.
High Temp. Storage
JESD22-A103
Terminal
Matte Tin axial leads, solderable per
JESD22-B102D.
HTRB
JESD22-A108
Thermal Shock
JESD22-A106
Dimensions
Dimensions
D
A
C
A
B
A
Inches
Millimeters
Min
Max
Min
Max
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
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
Part Marking System
SAxxx XX X
Cathode Band
SAXXX
OPTION CODE:
BLANK Reel Tape
-B Bulk Packaging
TYPE CODE:
A Uni-Directional (5% Voltage Tolerance)
CA Bi-Directional
F
VOLTAGE CODE
(Refer to the Electrical Characteristics table)
Littelfuse Logo
Product Type
SERIES CODE
Packaging
Quantity
Packaging
Option
SAxxxXX
DO-204AC
4000
Tape & Reel
SAxxxXX-B
DO-204AC
1000
Bulk
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SA.html for current information.
Packaging Specification
EIA STD RS-296E
SA Series
Component
Package
Part Number
Littelfuse Concord Packing Spec. DM-0016
75
Revision: January 09, 2009
SA Series