SA5.0 - SA170A
TRANSIENT VOLTAGE
SUPPRESSOR
V
BR
: 6.8 - 200 Volts
P
PK
: 500 Watts
FEATURES :
* 500W surge capability at 1ms
* Excellent clamping capability
* Low zener impedance
* Fast response time : typically less
then 1.0 ps from 0 volt to V
BR(min.)
* Typical I
R
less then 1
µ
A above 10V
MECHANICAL DATA
* Case : DO-41 Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
method 208 guaranteed
* Polarity : Color band denotes cathode end except Bipolar.
* Mounting position : Any
* Weight : 0.339 gram
DEVICES FOR BIPOLAR APPLICATIONS
For bi-directional use C or CA Suffix
Electrical characteristics apply in both directions
MAXIMUM RATINGS
Rating at 25
°
C ambient temperature unless otherwise specified.
Rating
Symbol
Value
Unit
Peak Power Dissipation at Ta = 25
°
C, Tp=1ms
(Note1)
P
PK
Minimum 500
Watts
Steady State Power Dissipation at T
L
= 75
°
C
Lead Lengths 0.375", (9.5mm)
(Note 2)
P
D
3.0
Watts
Peak Forward Surge Current, 8.3ms Single Half
Sine-Wave Superimposed on Rated Load
(JEDEC Method)
(Note 3)
I
FSM
70
Amps.
Operating and Storage Temperature Range
T
J,
T
STG
- 65 to + 175
°
C
Note :
(1) Non-repetitive Current pulse, per Fig. 5 and derated above Ta = 25
°
C per Fig. 1
(2) Mounted on Copper Leaf area of 1.57 in
2
(40mm
2
).
(3) 8.3 ms single half sine-wave, duty cycle = 4 pulses per minutes maximum.
UPDATE : SEPTEMBER 18, 2000
DO - 41
Dimensions in inches and (millimeters)
0.205 (5.20)
0.160 (4.10)
1.00 (25.4)
MIN.
0.107 (2.74)
0.080 (2.03)
0.034 (0.86)
0.028 (0.71)
1.00 (25.4)
MIN.
ELECTRICAL CHARACTERISTICS
Rating at = 25
°
C ambient temperature unless otherwise specified
Breakdown Voltage @ It
Working Peak
Maximum
Maximum
Maximum
Maximum
( Note 1 )
Reverse
Reverse Leakage
Reverse
Clamping
Voltage
TYPE
Voltage
@ V
RWM
Current
Voltage @ I
RSM
Temperature
V
BR
(V)
It
V
RWM
I
R
I
RSM
V
RSM
Variation of V
BR
Min.
Max.
(mA)
(V)
(
µ
A)
(A)
(V)
(mV /
°
C)
SA36
40.0
48.9
1.0
36.0
1.0
7.8
64.3
46.0
SA36A
40.0
44.2
1.0
36.0
1.0
8.6
58.1
41.0
SA40
44.4
54.3
1.0
40.0
1.0
7.0
71.4
51.0
SA40A
44.4
49.1
1.0
40.0
1.0
7.8
64.5
46.0
SA43
47.8
58.4
1.0
43.0
1.0
6.5
76.7
55.0
SA43A
47.8
52.8
1.0
43.0
1.0
7.2
69.4
50.0
SA45
50.0
61.1
1.0
45.0
1.0
6.2
80.3
58.0
SA45A
50.0
55.3
1.0
45.0
1.0
6.9
72.7
52.0
SA48
53.3
65.1
1.0
48.0
1.0
5.8
85.5
63.0
SA48A
53.3
58.9
1.0
48.0
1.0
6.5
77.4
56.0
SA51
56.7
69.3
1.0
51.0
1.0
5.5
91.1
66.0
SA51A
56.7
62.7
1.0
51.0
1.0
6.1
82.4
61.0
SA54
60.0
73.3
1.0
54.0
1.0
5.2
96.3
71.0
SA54A
60.0
66.3
1.0
54.0
1.0
5.7
87.1
65.0
SA58
64.4
78.7
1.0
58.0
1.0
4.9
103
78.0
SA58A
64.4
71.2
1.0
58.0
1.0
5.3
93.6
70.0
SA60
66.7
81.5
1.0
60.0
1.0
4.7
107
80.0
SA60A
66.7
73.7
1.0
60.0
1.0
5.2
96.8
71.0
SA64
71.1
86.9
1.0
64.0
1.0
4.4
114
86.0
SA64A
71.1
78.6
1.0
64.0
1.0
4.9
103
76.0
SA70
77.8
95.1
1.0
70.0
1.0
4.0
125
94.0
SA70A
77.8
86.0
1.0
70.0
1.0
4.4
113
85.0
SA75
83.3
102
1.0
75.0
1.0
3.7
134
101
SA75A
83.3
92.1
1.0
75.0
1.0
4.1
121
91.0
SA78
86.7
106
1.0
78.0
1.0
3.6
139
105
SA78A
86.7
95.8
1.0
78.0
1.0
4.0
126
95.0
SA85
94.4
115
1.0
85.0
1.0
3.3
151
114
SA85A
94.4
104
1.0
85.0
1.0
3.6
137
103
SA90
100
122
1.0
90.0
1.0
3.1
160
121
SA90A
100
111
1.0
90.0
1.0
3.4
146
110
SA100
111
136
1.0
100
1.0
2.8
179
135
SA100A
111
123
1.0
100
1.0
3.1
162
123
SA110
122
149
1.0
110
1.0
2.6
196
148
SA110A
122
135
1.0
110
1.0
2.8
177
133
SA120
133
163
1.0
120
1.0
2.3
214
162
SA120A
133
147
1.0
120
1.0
2
193
146
SA130
144
176
1.0
130
1.0
2.2
231
175
SA130A
144
159
1.0
130
1.0
2.4
209
158
SA150
167
204
1.0
150
1.0
1.9
268
203
SA150A
167
185
1.0
150
1.0
2.1
243
184
SA160
178
218
1.0
160
1.0
1.7
287
217
SA160A
178
197
1.0
160
1.0
1.9
259
196
SA170
189
231
1.0
170
1.0
1.6
304
230
SA170A
189
209
1.0
170
1.0
1.8
275
208
Note:
( 1 ) V
BR
measured after It applied for 300
µ
s., It = square wave pulse or equivalent.
( 2 ) V
F
= 3.5 Vmax., I
F
= 35 Amps. ( 6.8 Volts thru 91 Volts )
V
F
= 5.0 Vmax., I
F
= 35 Amps. ( 150 Volts thru 200 Volts ) per 1/2
square or equivalent sine wave.
PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
RATING AND CHARACTERISTIC CURVES ( SA5.0 - SA170A )
FIG.1 - PULSE DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE
SURGE CURRENT
0
25
50
75
100
125
150
175
Ta, AMBIENT TEMPERATURE, (
°
C)
NUMBER OF CYCLES AT 60Hz
FIG.3 - STEADY STATE POWER DERATING
FIG.4 - PULSE RATING CURVE
FIG.5 - PULSE WAVEFORM
0
1.0
2.0
3.0
4.0
80
60
40
20
120
4.0
100
10
80
0
120
0
60
40
20
1.0
3.0
0
0.1
2.0
1.0
tp, PULSE WIDTH
PEAK FORWARD SURGE
CURRENT, AMPERES
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
Pp,PEAK POWER (kW)
100
100
10
20
60
1
2
4
6
40
100
100
125
175
0
25
50
75
150
0.1
µ
s
1.0
µ
s
10
µ
s
100
µ
s
10ms
1.0ms
200
T
L
, LEAD TEMPERATURE (
°
C)
8.3 ms SINGLE HALF SINE WAVE
JEDEC METHOD
P
D
, STEADY STATE POWER DISSIPATION
(WATTS)
50
100
0
Tr = 10
µ
s
Peak Value
I
RMS
Half Value - I
RMS
2
T
J
=25
°
C
Pulse Width (tp) is defined
as that point where the peak
current decays to 50%
of I
RSM
tp
10X1000 Waveform
as defined by R.E.A.
T, TIME(ms)
PEAK PULSE CURRENT - % I
RMS
Single Phase Half Wave
60 Hz Resistive or Inductive load
