SA28A Fairchild Semiconductor, SA28A Datasheet - Page 2

• Manufacturer Part Number: SA28A
• Description: TVS UNIDIRECT 500W 28V DO-15
• Manufacturer: Fairchild Semiconductor
• Series: SA28r

Specifications of SA28A

• Voltage - Reverse Standoff (typ): 28V
• Voltage - Breakdown: 31.1V
• Power (watts): 500W
• Polarization: Unidirectional
• Mounting Type: Through Hole
• Package / Case: DO-204AC, DO-15, Axial
• Polarity: Unidirectional
• Clamping Voltage: 45.4 V
• Operating Voltage: 28 V
• Breakdown Voltage: 31.1 V to 34.4 V
• Termination Style: Axial
• Peak Surge Current: 11 A
• Peak Pulse Power Dissipation: 500 W
• Maximum Operating Temperature: + 175 C
• Minimum Operating Temperature: - 65 C
• Dimensions: 3.56 (Max) mm W x 7.62 (Max) mm L
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SA28AFS

* For bidirectional parts with V
Bi-directional (C)
Uni-directional
Electrical Characteristics
SA100(C)A
SA110(C)A
SA120(C)A
SA130(C)A
SA150(C)A
SA160(C)A
SA170(C)A
SA5V0(C)A
SA6V0(C)A
SA6V5(C)A
SA7V0(C)A
SA7V5(C)A
SA8V0(C)A
SA8V5(C)A
SA9V0(C)A
SA10(C)A
SA11(C)A
SA12(C)A
SA13(C)A
SA14(C)A
SA15(C)A
SA16(C)A
SA17(C)A
SA18(C)A
SA20(C)A
SA22(C)A
SA24(C)A
SA26(C)A
SA28(C)A
SA30(C)A
SA33(C)A
SA36(C)A
SA40(C)A
SA43(C)A
SA45(C)A
SA48(C)A
SA51(C)A
SA54(C)A
SA58(C)A
SA60(C)A
SA64(C)A
SA70(C)A
SA75(C)A
SA78(C)A
SA85(C)A
SA90(C)A
Device
Stand-off Voltage
Reverse
V
RWM
100
110
120
130
150
160
170
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
64
70
75
78
85
90
5.0
6.0
6.5
7.0
7.5
8.0
8.5
9.0
RWM
(V)
<10V, the I
Breakdown Voltage
100.0
111.0
122.0
133.0
144.0
167.0
178.0
189.0
11.1
12.2
13.3
14.4
15.6
16.7
17.8
18.9
20.0
22.2
24.4
26.7
28.9
31.1
33.3
36.7
40.0
44.4
47.8
50.0
53.3
56.7
60.0
64.4
66.7
71.1
77.8
83.3
86.7
94.4
min
R
6.40
6.67
7.22
7.78
8.33
8.89
9.44
10.0
max limit is doubled.
T
V
A
BR
= 25°C unless otherwise noted
(V)
104.0
111.0
123.0
135.0
147.0
159.0
185.0
197.0
209.0
max
7.00
7.37
7.98
8.60
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
78.6
86.0
92.1
95.8
Current
I
T
Test
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
10
10
10
10
Transient Voltage Suppressors
Clamping Voltage
@I
V
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
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
9.2
C
PPM
(V)
Peak Pulse
Current
I
PPM
54.3
48.5
44.7
41.7
38.8
36.7
34.7
32.5
29.4
27.4
25.1
23.2
21.5
20.6
19.2
18.1
17.2
15.4
14.1
12.8
11.9
11.0
10.3
9.4
8.6
7.8
7.2
6.9
6.5
6.1
5.7
5.3
5.2
4.9
4.4
4.1
4.0
3.6
3.4
3.1
2.8
2.7
2.4
2.1
1.9
1.8
(A)
SA5V0(C)A - SA170(C)A, Rev. D
Leakage V
Reverse
(continued)
I
R
600
600
400
150
(uA)*
50
25
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
RWM