1N5333B thru 1N5388B
Silicon 5 Watt Zener Diodes
S C O T T S D A L E D I V I S I O N
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.
T-18
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
APPLICATIONS / BENEFITS
•
•
•
JEDEC registered 1N5333 to 1N5388B
Zener voltage available 3.3V to 200V
• Regulates voltage over a broad operating current and
temperature range
• Wide selection from 3.3 to 200 V
Standard voltage tolerances are plus/minus 5%
with B suffix and 10 % with A suffix identification
• Flexible axial-lead mounting terminals
• Nonsensitive to ESD per MIL-STD-750 Method 1020
• Withstands high surge stresses
•
•
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, JANTXV, and
JANS are available by adding MQ, MX, MV, or
MSP prefixes respectively to part numbers.
Surface mount equivalents available as
SMBJ5333 to SMBJ5388B, or SMBG5333B to
SMBG5388B
• Minimal changes of voltage versus current as
specified by voltage regulation (∆VZ)
• High specified maximum current (IZM) when
adequately heat sunk
•
• Moisture classification is Level 1 per IPC/JEDEC J-
STD-020B with no dry pack required
MAXIMUM RATINGS
MECHANICAL AND PACKAGING
•
•
•
Power dissipation at 25ºC: 5.0 watts (also see
derating in Figure 1).
•
•
•
CASE: Void-free transfer molded thermosetting
epoxy body meeting UL94V-0
Operating and Storage temperature: -65ºC to
+150ºC
TERMINALS: Leads, tin-lead plated 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.
Thermal Resistance: 25 ºC/W junction to lead 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
•
•
MARKING: Part number
TAPE & REEL option: Standard per EIA-296 (add
•
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 described for
thermal resistance (also see Figure 1)
“TR” suffix to part number)
•
•
WEIGHT: 0.7 grams
See package dimensions on last page
•
•
Forward voltage @1.0 A: 1.2 volts (maximum)
Solder Temperatures: 260 ºC for 10 s (max)
Copyright 2003
Microsemi
Page 1
7-23-2003 REV B
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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