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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 1A R above 13V soldering guaranteed: 260C/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
VBR = 0.1% x VBR@25C x T
junction in DO-15 Package capability at 10x1000s waveform, repetition rate (duty cycles):0.01% typically less than 1.0ps from 0 Volts to BV min
Unit
Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted)
Parameter Peak Pulse Power Dissipation by 10x1000s test waveform (Fig.1) (Note 1) Steady State Power Dissipation on infinite heat sink at TL=75C (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 PPPM PD IFSM VF TJ , TSTG RuJL RuJA 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, 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. _ _ 3. VF<3.5V for devices of VBR < 200V and VF<5.0V for devices of VBR > 201V.
(c)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 VR (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 VBR (Volts) @ IT 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 IT (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 VC@ IPP (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 Ipp (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 IR @ VR (A)
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
(c)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 =25C unless otherwise noted)
A
Figure 1 - Peak Pulse Power Rating Curve
30
PPPM- Peak Pulse Power (KW)
Figure 2 - Pulse Derating Curve
100
Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage, %
Non-repetitive Pulse Waveform Shown in Fig. 3 TA=25uC
10
75
Exponential
50
1
P P P
Td Td
Half SINE
25
Td
Square
0.1 01.s 1.0s 10s 100s 1.0ms 10ms
0 0 25 50 75 100 125 150 175 200 TA- Ambient Temperature (C)
td- Pulse Width (sec.)
Figure 3 - Pulse Waveform
150
IPPM- Peak Pulse Current, % IRSM tr=10sec Peak Value IPPM
TJ=25C 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 @ VR
Uni-directional V=0V
100
Half Value IPPM IPPM
2
Cj (pF)
()
10/1000sec. Waveform as defined by R.E.A
100
Bi-directional @ VR
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
VBR - Reverse Breakdown Voltage (V)
Figure 5 - Steady State Power Derating Curve
Figure 6 - Maximum Non-Repetitive Forward Surge Current Uni-Directional Only
80 IFSM - 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 TL - Lead Temperature(C)
L = 0.375" (9.5mm) Lead Lengths
(c)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 (Ts(min)) Pre Heat - Temperature Max (Ts(max)) - Time (min to max) (ts) Average ramp up rate (Liquidus Temp (TL) to peak TS(max) to TL - Ramp-up Rate Reflow - Temperature (TL) (Liquidus) - Time (min to max) (ts) 260+0/-5 C 3C/second max 3C/second max 217C
25C t 25C to Peak
TP
tp
Ramp-up Critical Zone TL to TP
150C
Temperature (T)
200C
TL Ts(max)
tL
Ramp-down
Ts(min) ts
Preheat
Time (t)
Peak Temperature (TP) Time within 5C of actual peak Temperature (tp) Ramp-down Rate Time 25C to peak Temperature (TP) Do not exceed
Flow/Wave Soldering (Solder Dipping)
6C/second max 8 minutes Max. 280C Peak Temperature : Dipping Time : Soldering : 265OC 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
(c)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
(c)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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