ULCE SERIES
ULTRA LOW CAPACITANCE
TRANSIENT VOLTAGE
V
BR
: 6.5 - 90 Volts
SUPPRESSOR
P
PK
: 1500 Watts
FEATURES :
* 1500W Peak Pulse Surge reverse
capability on 10/1000
s waveform
* Excellent clamping capability
* Low incremental surge resistance
* Fast response time : typically less than 5.0 ns
from 0 volts to BV
MECHANICAL DATA
* Case : DO-201 Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
method 208 guaranteed
* Polarity : Color band denotes positive end on the
Transorb (cathode)
* Mounting position : Any
* Weight : 0.93 gram
MAXIMUM RATINGS
Rating at 25
C ambient temperature unless otherwise specified.
Rating
Symbol
Value
Unit
Peak Pulse Power Dissipation on 10/1000
s
waveform (Note 1, Figure 1)
Steady State Power Dissipation at T
L
= 75
C
Lead Lengths 0.375", (9.5mm) (Note 2)
Peak Pulse Power Surge Current on 10/1000
s
Waveform (Fig. 3, Note 1)
Operating and Storage Temperature Range
T
J
, T
STG
- 65 to + 175
C
Note :
(1) Non-repetitive Current pulse, per Fig. 3 and derated above Ta = 25
C per Fig. 2
(2) 8.3 ms single half sine-wave, duty cycle = 4 pulses per minutes maximum.
UPDATE : APRIL 6, 2002
P
PPM
Minimum 1500
Watts
I
RSM
See Table 1.
Amps.
P
D
5.0
Watts
DO-201
0.375 (9.53)
0.285 (7.24)
0.21 (5.33)
0.19 (4.83)
0.042 (1.07)
0.038 (0.97)
Dimensions in inches and (millimeters)
1.00 (25.4)
MIN.
1.00 (25.4)
MIN.
ELECTRICAL CHARACTERISTICS
Rating at 25
C ambient temperature unless otherwise specified
Reverse
Maximum
Maximum
Maximum
Maximum
Working
Max. Inverse Peak Inverse
Breakdown Voltage @ It
Stand-off
Reverse
Clamping
Reverse
Junction
Inverse
Blocking
Blocking
Voltage
Leakage
Voltage
Current
Capacitance
Blocking
Current
Voltage
@ V
RWM
@ I
RSM
@ 0 Volt
Voltage
@ V
W IB
V
BR
(V)
It
V
RWM
I
R
V
RSM
I
RSM
V
W IB
I
IB
V
PIB
Min.
Max.
(mA)
(V)
(
A)
(V)
(A)
pF
(V)
mA
(V)
ULCE6.5
7.22
8.82
10
6.5
1000
12.3
100
35
75
1.0
100
ULCE6.5A
7.22
7.98
10
6.5
1000
11.2
100
35
75
1.0
100
ULCE7.0
7.78
9.51
10
7.0
500
13.3
100
35
75
1.0
100
ULCE7.0A
7.78
8.60
10
7.0
500
12.0
100
35
75
1.0
100
ULCE7.5
8.33
10.2
10
7.5
250
14.3
100
35
75
1.0
100
ULCE7.5A
8.33
9.21
10
7.5
250
12.9
100
35
75
1.0
100
ULCE8.0
8.89
10.9
10
8.0
100
15.0
100
35
75
1.0
100
ULCE8.0A
8.89
9.83
10
8.0
100
13.6
100
35
75
1.0
100
ULCE8.5
9.44
11.5
1.0
8.5
50
15.9
94
35
75
1.0
100
ULCE8.5A
9.44
10.4
1.0
8.5
50
14.4
100
35
75
1.0
100
ULCE9.0
10.0
12.2
1.0
9.0
10.0
16.9
89
35
75
1.0
100
ULCE9.0A
10.0
11.1
1.0
9.0
10.0
15.4
97
35
75
1.0
100
ULCE10
11.1
13.6
1.0
10
5.0
18.8
80
35
75
1.0
100
ULCE10A
11.1
12.3
1.0
10
5.0
17.0
88
35
75
1.0
100
ULCE11
12.2
14.9
1.0
11
5.0
20.1
74
35
75
1.0
100
ULCE11A
12.2
13.5
1.0
11
5.0
18.2
82
35
75
1.0
100
ULCE12
13.3
16.3
1.0
12
5.0
22.0
68
35
75
1.0
100
ULCE12A
13.3
14.7
1.0
12
5.0
19.9
75
35
75
1.0
100
ULCE13
14.4
17.6
1.0
13
5.0
23.8
63
35
75
1.0
100
ULCE13A
14.4
15.9
1.0
13
5.0
21.5
70
35
75
1.0
100
ULCE14
15.6
19.1
1.0
14
5.0
25.8
58
35
75
1.0
100
ULCE14A
15.6
17.2
1.0
14
5.0
23.2
65
35
75
1.0
100
ULCE15
16.7
20.4
1.0
15
5.0
26.9
56
35
75
1.0
100
ULCE15A
16.7
18.5
1.0
15
5.0
24.4
61
35
75
1.0
100
ULCE16
17.8
21.8
1.0
16
5.0
28.8
52
35
75
1.0
100
ULCE16A
17.8
19.7
1.0
16
5.0
26.0
57
35
75
1.0
100
ULCE17
18.9
23.1
1.0
17
5.0
30.5
49
35
75
1.0
100
ULCE17A
18.9
20.9
1.0
17
5.0
27.6
54
35
75
1.0
100
ULCE18
20
24.4
1.0
18
5.0
32.2
46
35
75
1.0
100
ULCE18A
20
22.1
1.0
18
5.0
29.2
51
35
75
1.0
100
ULCE20
22.2
27.1
1.0
20
5.0
35.8
42
35
75
1.0
100
ULCE20A
22.2
24.5
1.0
20
5.0
32.4
46
35
75
1.0
100
ULCE22
24.4
29.8
1.0
22
5.0
39.4
38
35
75
1.0
100
ULCE22A
24.4
26.9
1.0
22
5.0
35.5
42
35
75
1.0
100
ULCE24
26.7
32.6
1.0
24
5.0
43.0
35
35
75
1.0
100
ULCE24A
26.7
29.5
1.0
24
5.0
38.9
39
35
75
1.0
100
ULCE26
28.9
35.3
1.0
26
5.0
46.6
32
35
75
1.0
100
ULCE26A
28.9
31.9
1.0
26
5.0
42.1
36
35
75
1.0
100
ULCE28
31.1
38.0
1.0
28
5.0
50.1
30
35
75
1.0
100
ULCE28A
31.1
34.4
1.0
28
5.0
45.5
33
35
75
1.0
100
ULCE30
33.3
40.7
1.0
30
5.0
53.5
28
35
75
1.0
100
ULCE30A
33.3
36.8
1.0
30
5.0
48.4
31
35
75
1.0
100
ULCE33
36.7
44.9
1.0
33
5.0
59.0
25.4
35
75
1.0
100
ULCE33A
36.7
40.6
1.0
33
5.0
53.3
28.1
35
75
1.0
100
ULCE36
40.0
48.9
1.0
36
5.0
64.3
23.3
35
75
1.0
100
ULCE36A
40.0
44.2
1.0
36
5.0
58.1
25.8
35
75
1.0
100
ULCE40
44.4
54.3
1.0
40
5.0
71.4
21
35
75
1.0
100
ULCE40A
44.4
49.1
1.0
40
5.0
64.5
23.3
35
75
1.0
100
ULCE43
47.8
58.4
1.0
43
5.0
76.7
19.5
35
150
1.0
200
ULCE43A
47.8
52.8
1.0
43
5.0
69.4
21.6
35
150
1.0
200
TYPE
NUMBER
ELECTRICAL CHARACTERISTICS
Rating at 25
C ambient temperature unless otherwise specified
Reverse
Maximum
Maximum
Maximum
Maximum
W orking
Max. Inverse
Peak Inverse
Breakdown Voltage @ It
Stand-off
Reverse
Clamping
Reverse
Junction
Inverse
Blocking
Blocking
Voltage
Leakage
Voltage
Current
Capacitance
Blocking
Current
Voltage
@ V
R W M
@ I
RSM
@ 0 Volt
Voltage
@ V
W IB
V
BR
(V)
It
V
R W M
I
R
V
RSM
I
RSM
V
W IB
I
IB
V
PIB
Min.
Max.
(mA)
(V)
(
A)
(V)
(A)
pF
(V)
mA
(V)
ULCE45
50.0
61.1
1.0
45
5.0
80.3
18.7
35
150
1.0
200
ULCE45A
50.0
55.3
1.0
45
5.0
72.7
20.6
35
150
1.0
200
ULCE48
53.3
65.1
1.0
48
5.0
85.5
17.5
35
150
1.0
200
ULCE48A
53.3
58.9
1.0
48
5.0
77.4
19.4
35
150
1.0
200
ULCE51
56.7
69.3
1.0
51
5.0
91.1
16.5
35
150
1.0
200
ULCE51A
56.7
62.7
1.0
51
5.0
82.4
18.2
35
150
1.0
200
ULCE54
60.0
73.3
1.0
54
5.0
96.3
15.6
35
150
1.0
200
ULCE54A
60.0
66.3
1.0
54
5.0
87.1
17.2
35
150
1.0
200
ULCE58
64.4
78.7
1.0
58
5.0
103
14.6
35
150
1.0
200
ULCE58A
64.4
71.2
1.0
58
5.0
93.6
16
35
150
1.0
200
ULCE60
66.7
81.5
1.0
60
5.0
107
14
35
150
1.0
200
ULCE60A
66.7
73.7
1.0
60
5.0
96.8
15.5
35
150
1.0
200
ULCE64
71.1
86.9
1.0
64
5.0
114
13.2
35
150
1.0
200
ULCE64A
71.1
78.6
1.0
64
5.0
103
14.6
35
150
1.0
200
ULCE70
77.8
95.1
1.0
70
5.0
125
12.0
35
150
1.0
200
ULCE70A
77.8
86.0
1.0
70
5.0
113
13.3
35
150
1.0
200
ULCE75
83.3
102
1.0
75
5.0
134
11.2
35
150
1.0
200
ULCE75A
83.3
92.1
1.0
75
5.0
121
12.4
35
150
1.0
200
ULCE80
88.7
108
1.0
80
5.0
142
10.6
35
150
1.0
200
ULCE80A
88.7
98.0
1.0
80
5.0
129
11.6
35
150
1.0
200
ULCE90
100
122
1.0
90
5.0
160
9.4
35
300
1.0
200
ULCE90A
100
111
1.0
90
5.0
146
10.3
35
300
1.0
200
FIG.1 - PEAK PULSE POWER RATING CURVE
FIG.2 - PULSE DERATING CURVE
FIG.3 - PULSE WAVEFORM
TYPE
NUMBER
100
10
0.1
1.0
tp, PULSE W IDTH
P
PPM
,PEAK POWER POWER
(kW)
0.1
s
1.0
s
10
s
100
s
10ms
1.0ms
80
60
40
20
120
0
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
100
0
25
75
50
100
125
150
175
Peak Power
(single Pulse)
Average Power
Lead Lengths
0.375"(9.5mm)
T
L
, LEAD TEMPERATURE (
C)
50
100
0
Tf = 10
s
Peak Value
I
RMS
Half Value - I
RMS
T
J
=25
C
Pulse W idth (tp) is defined
as that point where the peak
current decays to 50%
of I
RSM
10X1000 W aveform
as defined by R.E.A.
T, TIME(ms)
2
tp
PEAK PULSE CURRENT - % I
RMS
1
0
2
3
4
100ms
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