ULCE SERIES
V
BR
: 6.5 - 90 Volts
P
PK
: 1500 Watts
FEATURES :
* 1500W Peak Pulse Surge reverse
capability on 10/1000µs waveform
* Excellent clamping capability
* Low incremental surge resistance
* Fast response time : typically less than 5.0 ns
from 0 volts to BV
ULTRA LOW CAPACITANCE
TRANSIENT VOLTAGE
SUPPRESSOR
DO-201
0.21 (5.33)
0.19 (4.83)
1.00 (25.4)
MIN.
0.375 (9.53)
0.285 (7.24)
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
0.042 (1.07)
0.038 (0.97)
1.00 (25.4)
MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
Rating at 25
°
C ambient temperature unless otherwise specified.
Rating
Peak Pulse Power Dissipation on 10/1000µs
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
µs
Waveform (Fig. 3, Note 1)
Operating and Storage Temperature Range
Symbol
P
PPM
Value
Minimum 1500
Unit
Watts
P
D
5.0
Watts
I
RSM
T
J
, T
STG
See Table 1.
- 65 to + 175
Amps.
°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
ELECTRICAL CHARACTERISTICS
Rating at 25
°C
ambient temperature unless otherwise specified
Breakdown Voltage @ It
TYPE
NUMBER
V
BR
(V)
Min.
Max.
ULCE45
ULCE45A
ULCE48
ULCE48A
ULCE51
ULCE51A
ULCE54
ULCE54A
ULCE58
ULCE58A
ULCE60
ULCE60A
ULCE64
ULCE64A
ULCE70
ULCE70A
ULCE75
ULCE75A
ULCE80
ULCE80A
ULCE90
ULCE90A
50.0
50.0
53.3
53.3
56.7
56.7
60.0
60.0
64.4
64.4
66.7
66.7
71.1
71.1
77.8
77.8
83.3
83.3
88.7
88.7
100
100
61.1
55.3
65.1
58.9
69.3
62.7
73.3
66.3
78.7
71.2
81.5
73.7
86.9
78.6
95.1
86.0
102
92.1
108
98.0
122
111
It
(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
Reverse
Stand-off
Voltage
V
R W M
(V)
45
45
48
48
51
51
54
54
58
58
60
60
64
64
70
70
75
75
80
80
90
90
Maximum
Reverse
Leakage
@ V
R W M
I
R
(µA)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Maximum
Clamping
Voltage
@ I
RSM
V
RSM
(V)
80.3
72.7
85.5
77.4
91.1
82.4
96.3
87.1
103
93.6
107
96.8
114
103
125
113
134
121
142
129
160
146
Maximum
Reverse
Current
I
RSM
(A)
18.7
20.6
17.5
19.4
16.5
18.2
15.6
17.2
14.6
16
14
15.5
13.2
14.6
12.0
13.3
11.2
12.4
10.6
11.6
9.4
10.3
Maximum
Junction
Capacitance
@ 0 Volt
pF
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
W orking
Inverse
Blocking
Voltage
V
W IB
(V)
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
300
300
Max. Inverse
Blocking
Current
@ V
W IB
I
IB
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
Peak Inverse
Blocking
Voltage
V
PIB
(V)
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
FIG.1 - PEAK PULSE POWER RATING CURVE
100
FIG.2 - PULSE DERATING CURVE
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
120
P
PPM
,PEAK POWER POWER
(kW)
100
Average Power
Peak Power
(single Pulse)
10
80
60
1.0
40
20
0
0
Lead Lengths
0.375"(9.5mm)
0.1
0.1µs
1.0µs
10µs
100µs
1.0ms
10ms
100ms
25
50
75
100
125
150
175
tp, PULSE W IDTH
FIG.3 - PULSE WAVEFORM
PEAK PULSE CURRENT - % I
RMS
Tf = 10µs
100
Peak 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
T
L
, LEAD TEMPERATURE (
°
C)
50
Half Value - I
RMS
2
tp
0
0
1
10X1000 W aveform
as defined by R.E.A.
2
3
4
T, TIME(ms)
PCB Design
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