ZENER DIODE. 1SMA5944B Datasheet

1SMA5944B DIODE. Datasheet pdf. Equivalent

Part 1SMA5944B
Description SURFACE ZENER DIODE
Feature SURFACE ZENER DIODE RoHS 1SMA5913B Thru 1SMA5957B 1.5watts FEATURES • Voltage Range 3.3 to 240 Vo.
Manufacture RFE
Datasheet
Download 1SMA5944B Datasheet



1SMA5944B
SURFACE ZENER DIODE
RoHS
1SMA5913B Thru 1SMA5957B 1.5watts
FEATURES
Voltage Range 3.3 to 240 Volts
• High peak reverse power dissipation
• High reliability
• Low leakage current
MECHANICAL DATA
Molded plastic body (UL 94 V-0 Rated)
Polarity: Color Band denotes Cathode end
Weight: 0.060 grams
1.3 ± 0.2
1.6 ± 0.25
2.6 ± 0.15
2.3 ± 0.2
SMA
Dimensions in millimeters
MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS
Rating at 25°C ambient temperature unless otherwise specified
.
Single phase, half wave,60Hz, resistive or inductive load.
For capactitive load, derate current by 20%
Parameter
DC Power Dissipation @ TL = 75°C
Measured zero lead length (1" square copper pad, FR -4 board)
(Note: Derates 20mW per °C over 75°C)
Thermal Resistance Junction to Lead
DC Power Dissipation @ TA = 25°C (FR-4 Board)
(Note: Derates 4mW per °C over 25°C)
Thermal Resistance Junction to Ambient
Maximum Average Forward Voltage at
IF = 200 mA
Operating Temperature Range
Symbol
PD
R0JL
PD
R0JA
VF
TJ
1SMA5913B ~ 1SMA5957B
1.5
50
0.5
250
1.5
-65°C to +150°C
Unit
W
ºC/W
W
ºC/W
V
ºC
Storage Temperature Range
TSTG
-65°C to +150°C
ºC
1.6 ± 0.25
MAXIMUM RATINGS CURVE
Fig. 1 POWER TEMPERATURE DERATING CURVE
1.5
1.2
0.9
0.6
Ta
0.3
TL
0
0 25 50 75 100 125 150 175
T. TEMPERATURE (°C)
Page 1 of 2
RFE International • Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C3BR01
2013.08.06



1SMA5944B
SURFACE ZENER DIODE
RoHS
1SMA5913B Thru 1SMA5957B 1.5watts
ELECTRICAL CHARACTERISTIC
TY P E
Nom inal Zener
V oltage
V Z @ IZ T IZ T
M a x im u m Ze n e r Im p e d a n c e
ZZ T @ IZ T ZZ K @ IZ K IZ K
M ax im um
R e ve rs e
Leakage
C u rre n t
M ax im um
DC Zener
C u rre n t
IR @ V R
IZ M
(V ) (m A ) (Ω )
(Ω ) (m A ) (μA ) (V ) (m A )
1SM A5913B 3.3 113.6
10
500
1.0 100 1.0
454
1SM A5914B 3.6 104.2 9.0
500
1.0 75 1.0
416
1SM A5915B
3.9
96.1
7.5
500
1.0 25 1.0
384
1SM A5916B
4.3
87.2
6.0
500
1.0 5 1.0
348
1SM A5917B
4.7
79.8
5.0
500
1.0 5 1.5
319
1SM A5918B
5.1
73.5
4.0
350
1.0 5 2.0
294
1SM A5919B
5.6
66.9
2.0
250
1.0 5 3.0
267
1SM A5920B
6.2
60.5
2.0
200
1.0 5 4.0
241
1SM A5921B
6.8
55.1
2.5
200
1.0 50 5.2
220
1SM A5922B
7.5
50.0
3.0
400
0.5 50 6.0
200
1SM A5923B
8.2
45.7
3.5
400
0.5 50 6.5
182
1SM A5924B
9.1
41.2
4.0
500
0.5 50 7.0
164
1SM A5925B
10
37.5
4.5
500 0.25 50 8.0
150
1SM A5926B
11
34.1
5.5
550 0.25 50 8.4
136
1SM A5927B
12
31.2
6.5
550 0.25 1.0 9.1
125
1SM A5928B
13
28.8
7.0
550 0.25 1.0 9.9
115
1SM A5929B
15
25.0
9.0
600 0.25 1.0 11.4 100
1SM A5930B
16
23.4
10
600 0.25 1.0 12.2
93
1SM A5931B
18
20.8
12
650 0.25 1.0 13.7
83
1SM A5932B
20
18.7
14
650 0.25 1.0 15.2
75
1SM A5933B
22
17.0
17.5
650 0.25 1.0 16.7
68
1SM A5934B
24
15.6
19
700 0.25 1.0 18.2
62
1SM A5935B
27
13.9
23
700 0.25 1.0 20.6
55
1SM A5936B
30
12.5
26
750 0.25 1.0 22.8
50
1SM A5937B
33
11.4
33
800 0.25 1.0 25.1
45
1SM A5938B
36
10.4
38
850 0.25 1.0 27.4
41
1SM A5939B
39
9.6
45
900 0.25 1.0 29.7
38
1SM A5940B
43
8.7
53
950 0.25 1.0 32.7
34
1SM A5941B
47
8.0
67
1000
0.25 1.0 35.8
31
1SM A5942B
51
7.3
70
1100
0.25 1.0 38.8
29
1SM A5943B
56
6.7
86
1300
0.25 1.0 42.6
26
1SM A5944B
62
6.0
100
1500
0.25 1.0 47.1
24
1SM A5945B
68
5.5
120
1700
0.25 1.0 51.7
22
1SM A5946B
75
5.0
140
2000
0.25 1.0 56.0
20
1SM A5947B
82
4.6
160
2500
0.25 1.0 62.2
18
1SM A5948B
91
4.1
200
3000
0.25 1.0 69.2
16
1SM A5949B
100
3.7
250
3100
0.25 1.0 76.0
15
1SM A5950B
110
3.4
300
4000
0.25 1.0 83.6
13
1SM A5951B
120
3.1
380
4500
0.25 1.0 91.2
12
1SM A5952B
130
2.9
450
5000
0.25 1.0 98.8
11
1SM A5953B
150
2.5
600
6000
0.25 1.0 114.0
10
1SM A5954B
160
2.3
700
6500
0.25 1.0 121.6
9.0
1SM A5955B
180
2.1
900
7000
0.25 1.0 136.8
8.0
1SM A5956B
200
1.9 1200
8000
0.25 1.0 152.0
7.0
1SM A5957B
240
1.5 1600
9000
0.25 1.0 182.4
6.0
Note: Suffix Bindicates + 5% tolerance; suffix Aindicates + 10% tolerance.
Page 2 of 2
RFE International • Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C3BR01
2013.08.06





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