1N4954US THRU 1N4990US
Surface Mount(US),
5 WATT Voltage Regulators
POWER DISCRETES
Description
Quick reference data
V
R
= 6.8 - 220V
I
Z
(MAX) = 21.6mA - 700mA
Z
Z
= 1Ω - 550Ω
I = 2
µ
A - 150
µ
A
R
Features
Low dynamic impedance
Hermetically sealed.
5 Watt applications
Low reverse leakage currents
Thermal Resistance to end cap R
øJEC
= 6 C/W
These products are qualified to MIL-PRF-19500/356.
They can be supplied fully released as JAN,
JANTX, JANTXV and JANS versions
Electrical Specifications
Electrical specifications @ T
A
= 25°C unless otherwise specified.
Device
Types
V
Z
N om
V
Z
Min
V
Z
Max
I
Z
Max V
z
(reg)
I
Z
Test
Z
K
Z
Z
Current Imped. Knee
DC
Voltage
Imped. Current Reg.
T
A
=+
25°C
I
R
V
R
I
ZSM
@
α
VZ
T
A
= +
25°C
Reverse Reverse Temp.
Voltage Current Coeff.
DC
A
29.3
26.4
24
22
20
19
18
16
12
10
9.0
8.0
7.0
6.5
6.0
5.5
5.0
V
5.2
5.7
6.2
6.9
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
µA
150
100
50
25
25
10
10
10
5.0
5.0
5.0
2.0
2.0
2.0
2.0
2.0
2.0
%/ °C
.05
.06
.06
.06
.07
.07
.07
.08
.08
.08
.085
.085
.085
.09
.09
.09
.095
I
R
Reverse
Current
DC
T
A
=+
150°C
µA
750
500
300
200
200
150
150
150
100
100
100
100
100
100
100
100
100
I
ZK
Test
Current
V
1N4954US
1N4955US
1N4956US
1N4957US
1N4958US
1N4959US
1N4960US
1N4961US
1N4962US
1N4963US
1N4964US
1N4965US
1N4966US
1N4967US
1N4968US
1N4969US
1N4970US
6.8
7.5
8.2
9.1
10.0
11.0
12.0
V
6.46
7.13
7.79
8.65
9.50
V
7.14
7.87
8.61
9.55
10.50
mA
175
175
150
150
125
125
100
100
75
75
65
65
50
50
50
40
40
Ω
1
1.5
1.5
2
2
2.5
2.5
3
3.5
3.5
4.0
4.5
5.0
5
6
8
10
Ω
1000
800
600
400
125
130
140
145
150
155
160
165
170
175
180
190
200
mA
700
630
580
520
475
430
395
365
315
294
264
237
216
198
176
158
144
V
.7
.7
.7
.7
.8
.8
.8
.9
1.0
1.1
1.2
1.5
1.8
2.0
2.0
2.5
2.8
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
10.45
11.55
11.40
12.60
13.0
12.35
13.65
15
16
18
20
22
24
27
30
33
14.25
15.75
15.20
16.80
17.10
18.90
19.00
21.00
20.90
23.10
22.8
25.7
28.5
31.4
25.2
28.3
31.5
34.6
Revision: July 2010
1
www.semtech.com
1N4954US THRU 1N4990US
POWER DISCRETES
Electrical Specifications (Cont.)
Electrical specifications @ T
A
= 25°C unless otherwise specified.
Device
Types
V
Z
N om
V
Z
Min
V
Z
Max
I
Z
Test
Z
Z
Z
K
I
Z
Max V
z
(reg)
Current Imped. Knee
DC
Voltage
Imped. Current Reg.
T
A
=+
25°C
V
R
I
R
I
ZSM
@
α
VZ
T
A
= +
25°C
Reverse Reverse Temp.
Voltage Current Coeff.
DC
A
4.5
4.0
3.5
3.2
3.0
2.8
2.5
2.2
2.0
1.8
1.6
1.4
1.2
1.0
.8
.75
.70
.60
.50
50
V
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56
62.2
69.2
76.0
83.6
91.2
98.8
114.0
121.6
136.8
152.0
167.0
µA
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
%/ °C
.095
.095
.095
.095
.095
.095
.100
.100
.100
.100
.100
.100
.100
.100
.105
.105
.105
.110
.110
0.115
I
R
Reverse
Current
DC
T
A
=+150°C
µA
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
I
ZK
Test
Current
V
1N4971US
1N4972US
1N4973US
1N4974US
1N4975US
1N4976US
1N4977US
1N4978US
1N4979US
1N4980US
1N4981US
1N4982US
1N4983US
1N4984US
1N4985US
1N4986US
1N4987US
1N4988US
1N4989US
1N4990US
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
220
V
34.2
37.1
40.9
44.7
48.5
53.2
58.9
64.6
71.3
77.9
86.5
95.0
V
37.8
40.9
45.1
49.3
53.5
58.8
65.1
71.4
78.7
86.1
95.5
105
mA
30
30
30
25
25
20
20
20
20
15
15
12
12
10
10
8
8
5
5
5
Ω
11
14
20
25
27
35
42
50
55
80
90
110
125
170
190
330
350
450
500
550
Ω
220
230
240
250
270
320
400
500
620
720
760
800
1000
1150
1250
1500
1650
1750
1850
2000
mA
132
122
110
100
92
84
76
70
63
58
52.5
47.5
43
39.5
36.6
31.6
29.4
26.4
23.6
21.6
V
3.0
3.0
3.3
3.5
4.0
4.4
5.0
5.5
6.0
6.6
7.5
8.0
9.0
10
11
13
14
16
18
19
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
104.5
115.5
114.0
126.0
123.5
136.5
142.5
157.5
152
171
190
209
168
189
210
231
Notes:
(1) Operating Temperature: -55
°
C to 175
°
.
C
(2) Storage Temperature: -65
°
C to 175
°
.
C
©
2010 Semtech Corp.
2
www.semtech.com
1N4954US THRU 1N4990US
POWER DISCRETES
Ordering Information
Part Number
1N4954US
THRU
1N4990US
Surface Mount
(1)
Description
Note:
(1) Available in bulk or tape and reel packaging. Please
consult factory for quantities.
Outline Drawing
Dimensions
Inches
DIM
BL
EC T
S
BD
N
Millimeters
MIN
5.08
0.48
MAX
5.72
0.72
0.08
Note
MIN
.200
0.019
0.003
0.137
MAX
.225
0.028
-
-
-
-
0.148
3.48
3.76
Contact Information
Semtech Corporation
Power Discretes Products Division
200 Flynn Road, Camarillo, CA 93012
Phone: (805)498-2111 FAX (805)498-3804
©
2010 Semtech Corp.
3
www.semtech.com
微控制器 MCU
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
