Silicon 5 Watt Zener Diodes
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
Copyright © 2008
8-06-2008 REV D
WWW.Microsemi .COM
SCOTTSDALE DIVISION
1N5333B thru 1N5388B, e3
1N5333B thru 1N53 88B
DESCRIPTION APPEARANCE
The 1N5333-5388B JEDEC registered series of axial-leaded 5.0 watt
Zeners provides voltage regulation in a selection from 3.3 to 200 volts with
different tolerances as identified by specific suffix letter on the part number.
These plastic encapsulated Zeners have moisture classification of Level 1
with no dry pack required and are also available in various military
equivalent screening levels by adding a prefix identifier as also described in
the Features section. They may be operated at high maximum dc currents
with adequate heat sinking with their comparatively low thermal resistance
design. Microsemi also offers numerous other Zener products to meet
higher and lower power applications.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
,
e3
FEATURES APPLIC ATIONS / BENEFITS
• JEDEC registered 1N5333 to 1N5388B
• Zener voltage available 3.3V to 200V
• Standard voltage toleranc es are plus/minus 5% with B
suffix and 10 % with A suffix identification
• Tight tolerances available in plus or minus 2% or 1%
with C or D suffix respectively
• Options for screening in accordance with MIL-PRF-
19500 for JAN, JANTX, and JANTXV are available
by adding MQ, MX, or MV prefixes respectively to
part numbers.
• Surface mount equivalents availa ble as SMBJ5333 to
SMBJ5388B, or SMBG5333B to SMBG5388B
• RoHS Compliant devices avai lable by adding e3 suffix
• Regulates voltage over a broad op erating current and
temperature range
• Wide selection from 3.3 to 200 V
• Flexible axial-lead mounting terminals
• Nonsensitive to ESD per MIL-STD-750 Method 1020
• Withstands high surge stresses
• Minimal changes of voltage versus current as
specified by voltage regulation ( ΔVZ)
• High specified maximum curr ent (IZM) when
adequately heat sunk
• Moisture classification is Level 1 per IPC/JEDEC J-
STD-020B with no dry pack required
MAXIMUM RAT ING S MECHANICAL AND PACKAGING
• Power dissipation at 25ºC: 5.0 watts (also see
derating in Figure 1).
• Operating and Storage temperature: -65ºC to
+150ºC
• Thermal Resistance: 25 ºC/W junction to le ad at 3/8
(10 mm) lead length from body, or 85ºC/W junction
to ambient when mounted on FR4 PC board (1oz
Cu) with 4 mm2 copper pads and track width 1
mm, length 25 mm
• Steady-State Power: 5 watts at TL < 25oC 3/8 inch
(10 mm) from body, or 1.47 watts at TA = 25ºC
when mounted on FR4 PC describe d for thermal
resistance (also see Figure 1)
• Forward voltage @1.0 A: 1.2 volts (maximum)
• Solder Temperatures: 260 ºC for 10 s (max)
• CASE: Void-free transfer molded thermosetting
epoxy body meeting UL94V-0
• TERMINALS: Leads, Tin-Lead or RoHS Compliant
annealed matte-Tin plating solderable per MIL-STD-
750, method 2026
• POLARITY: Cathode indicated by band. Diode to
be operated with the banded end positive with
respect to the opposite end.
• MARKING: Part number
• TAPE & REEL option: Standard per EIA-296 (add
“TR” suffix to part number)
• WEIGHT: 0.7 grams
• See package dimensions on l ast page
T-18
Silicon 5 Watt Zener Diodes
WWW.Microsemi .COM
SCOTTSDALE DIVISION
1N5333B thru 1N5388B, e3
1N5333B thru 1N53 88B
*ELECTRICAL CHARACTERISTICS @ 25oC
REGULATOR
VOLTAGE
(VZ)
TEST
CURRENT
(IZT)
MAXIMUM
DYNAMIC
IMPEDANCE
(ZZ)
(A&B Suffix)
MAXIMUM
REVERSE
CURRENT
(IR)
IR TEST
VOLTAGE
(VR)
(Non-Suffix &
A Suffix)
IR TEST
VOLTAGE
(VR)
(B,C,D Suffix)
MAXIMUM
REGULATOR
CURRENT
(IZM)
(B,C,D Suffix)
MAXIMUM
DYNAMIC KNEE
IMPEDANCE
ZZK @ 1.0 mA
(A,B,C,D Suffix)
MAXIMUM
SURGE
CURRENT
(IZSM)
MAXIMUM
VOLTAGE
REGULATION
(ΔVZ)
(A,B,C,D
Suffix)
TYPE
NUMBER
V mA dc OHMS μA V V mA OHMS AMPS VOLTS
1N5333B
1N5334B
1N5335B
1N5336B
1N5337B
3.3
3.6
3.9
4.3
4.7
380
350
320
290
260
3.0
2.5
2.0
2.0
2.0
300
150
50
10
5.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1440
1320
1220
1100
1010
400
500
500
500
450
20
18.7
17.6
16.4
15.3
0.85
0.80
0.54
0.49
0.44
1N5338B
1N5339B
1N5340B
1N5341B
1N5342B
5.1
5.6
6.0
6.2
6.8
240
220
200
200
175
1.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
10
1.0
2.0
3.0
3.0
4.9
1.0
2.0
3.0
3.0
5.2
930
865
790
765
700
400
400
300
200
200
14.4
13.4
12.7
12.4
11.5
0.39
0.25
0.19
0.10
0.15
1N5343B
1N5344B
1N5345B
1N5346B
1N5347B
7.5
8.2
8.7
9.1
10
175
150
150
150
125
1.5
1.5
2.0
2.0
2.0
10
10
10
7.5
5.0
5.4
5.9
6.25
6.6
7.2
5.7
6.2
6.6
6.9
7.6
630
580
545
520
475
200
200
200
150
125
10.7
10
9.5
9.2
8.6
0.15
0.20
0.20
0.22
0.22
1N5348B
1N5349B
1N5350B
1N5351B
1N5352B
11
12
13
14
15
125
100
100
100
75
2.5
2.5
2.5
2.5
2.5
5.0
2.0
1.0
1.0
1.0
8.0
8.6
9.4
10.1
10.8
8.4
9.1
9.9
10.6
11.5
430
395
365
340
315
125
125
100
75
75
8.0
7.5
7.0
6.7
6.3
0.25
0.25
0.25
0.25
0.25
1N5353B
1N5354B
1N5355B
1N5356B
1N5357B
16
17
18
19
20
75
70
65
65
65
2.5
2.5
2.5
3.0
3.0
1.0
0.5
0.5
0.5
0.5
11.5
12.2
13
13.7
14.4
12.2
12.9
13.7
14.4
15.2
295
280
264
250
237
75
75
75
75
75
6.0
5.8
5.5
5.3
5.1
0.30
0.35
0.40
0.40
0.40
1N5358B
1N5359B
1N5360B
1N5361B
1N5362B
22
24
25
27
28
50
50
50
50
50
3.5
3.5
4.0
5.0
6.0
0.5
0.5
0.5
0.5
0.5
15.8
17.3
18
19.4
20.1
16.7
18.2
19
20.6
21.2
216
198
190
176
170
75
100
110
120
130
4.7
4.4
4.3
4.1
3.9
0.45
0.55
0.55
0.60
0.60
1N5363B
1N5364B
1N5365B
1N5366B
1N5367B
30
33
36
39
43
40
40
30
30
30
8.0
10
11
14
20
0.5
0.5
0.5
0.5
0.5
21.6
23.8
25.9
28.1
31
22.8
25.1
27.4
29.7
32.7
158
144
132
122
110
140
150
160
170
190
3.7
3.5
3.3
3.1
2.8
0.60
0.60
0.65
0.65
0.70
1N5368B
1N5369B
1N5370B
1N5371B
1N5372B
47
51
56
60
62
25
25
20
20
20
25
27
35
40
42
0.5
0.5
0.5
0.5
0.5
33.8
36.7
40.3
43
44.6
35.8
38.8
42.6
45.5
47.1
100
93
86
79
76
210
230
280
350
400
2.7
2.5
2.3
2.2
2.1
0.80
0.90
1.00
1.20
1.35
1N5373B
1N5374B
1N5375B
1N5376B
1N5377B
68
75
82
87
91
20
20
15
15
15
44
45
65
75
75
0.5
0.5
0.5
0.5
0.5
49
54
59
63
65.5
51.7
56
62.2
66
69.2
70
63
58
54.5
52.5
500
620
720
760
760
2.0
1.9
1.8
1.7
1.6
1.50
1.60
1.80
2.00
2.20
1N5378B
1N5379B
1N5380B
1N5381B
1N5382B
100
110
120
130
140
12
12
10
10
8.0
90
125
170
190
230
0.5
0.5
0.5
0.5
0.5
72
79.2
86.4
93.6
101
76
83.6
91.2
98.8
106
47.5
43
39.5
36.6
34
800
1000
1150
1250
1500
1.5
1.4
1.3
1.2
1.2
2.30
2.50
2.50
2.50
2.50
1N5383B
1N5384B
1N5385B
1N5386B
1N5387B
1N5388B
150
160
170
180
190
200
8.0
8.0
8.0
5.0
5.0
5.0
330
350
380
430
450
480
0.5
0.5
0.5
0.5
0.5
0.5
108
115
122
130
137
144
114
122
129
137
144
152
31.6
29.4
28
26.4
25
23.6
1500
1650
1750
1750
1850
1850
1.1
1.1
1.0
1.0
0.9
0.9
3.00
3.00
3.00
4.00
5.00
5.00
*JEDEC Registered Data.
NOTE 1: Devices listed above with B suffix have ±5% tolerance, A suffix designates ±10% tolerance, C suffix designates ±2%
tolerance, and D suffix designates ±1% tolerance. No suffix designates ±20%.
NOTE 2: Zener voltage (Vz) is measured at TL = 25oC (+8, -2oC). Voltage measurement performed at 40 ±10 milliseconds
after application of dc current.
NOTE 3: The zener impedance is derived from 1 kHz ac voltage resulting from an ac current modulation having an rms value
equal to 10% of the dc zener current (IZT or IZK) superimposed on IZT or IZK. See Micro Note 202 for zener impedance
variation with different operating currents.
NOTE 4: The maximum current (IZM) shown is for a ±5% tolerance devices. The IZM for other tolerances can be calculated using
the formula: IZM = P/VZM where VZM is the VZ at the high end of the voltage tolerance specified and P is the rated power
,
for the method of mounting.
e3
NOTE 5: The surge current (IZSM) is specified as the maximum peak of a non-recurrent half-sine wave of 8.3 ms duration.
NOTE 6: Voltage regulation (ΔVZ) is the difference between the voltage measured at 10% and 50% of IZM.
Microsemi
Scottsdale Division Page 2
Copyright © 2008
8-06-2008 REV D 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Silicon 5 Watt Zener Diodes
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 3
WWW.Microsemi .COM
SCOTTSDALE DIVISION
1N5333B thru 1N5388B, e3
1N5333B thru 1N53 88B
OUTLINE AND CIRCUIT
Pd, Maximum Power
Dissi
p
ation
(
Watts
)
TL
TA on FR4
PC board
T
L, Lead temperature (oC) 3/8” from body. or
T
A ambient temperature on FR4 PC Board
FIGU RE 1 FIGURE 2
Power Derating Cu rve Typical Capacitance vs.
Reverse Voltage for 5 Watt Zeners
PACKAGE DIMEN SIONS
FIGURE 3
,
e3
Typical Capacitance vs.
Reverse Voltage for 5 Watt Zeners
Copyright © 2008
8-06-2008 REV D
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Microsemi
Datasheet
1N5333BE3/TR8
Diode Zener Single 3.3V 5% 1.47W 2-Pin Case T-18 T/R
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Part Details
Microsemi1N5333BE3/TR8
Diode Zener Single 3.3V 5% 1.47W 2-Pin Case T-
18 T/R
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Description Value
Package 2Case T-18
Configuration Single
Nominal Zener Voltage 3.3 V
Zener Voltage
Tolerance
5 %
Maximum Zener
Impedance
3 Ohm
Maximum Regulator
Current
1440 mA
Maximum Reverse
Leakage Current
300 uA
Type Voltage Regulator
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