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參數資料
| 型號： | 1N5257UR |
| 廠商： | MICROSEMI CORP-SCOTTSDALE |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | Low Current Operation at 250 ，Low Reverse Leakage,Low Noise Zener Diode |
| 中文描述： | 33 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-213AA |
| 封裝： | HERMETIC SEALED, GLASS, MLL34, MELF-2 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 149K |
| 代理商： | 1N5257UR |
500 mW GLASS SURFACE MOUNT
ZENER DIODES
W
M
.
C
SCOTTSDALE
DIVISION
1N5221UR thru 1N5281BUR, e3
(or MLL5221 thru MLL5281B, e3)
1
DES CRIPT ION
APPEARANCE
The 1N5221BUR thru 1N5281BUR series of 0.5 watt Zener Voltage
Regulators provides a surface mount equivalent to the popular JEDEC
registered 1N5221B to 1N5281B for 2.4 to 200 volts in standard 5%
tolerances as well as tighter tolerances identified by different suffix letters on
the part number. These are also available with an internal-metallurgical-
bond option by adding a “-1” suffix (see separate data sheet). Microsemi
also offers numerous other Zener products to meet higher and lower power
applications.
DO-213AA
IMPORTANT:
For the most current data, consult
MICROSEMI’s
website:
FEAT URES APPLICAT IONS / BENEFITS
Surface mount equivalents to the JEDEC registered
1N5221 thru 1N5281B series
Hermetically sealed surface mount package
RoHS Compliant devices available by adding “e3” suffix
Internal metallurgical bond option available by adding a
“-1” suffix (see separate data sheet for same part
numbers with “-1” suffix)
DO-7 or DO-35 glass body axial-leaded Zener
equivalents also available per JEDEC registration (see
separate data sheet for part numbers 1N5221 thru
1N5281B series
MAX IMUM RATINGS
Operating and Storage temperature: -65
o
C to +175
o
C
Thermal Resistance: 150
o
C/W junction to end cap
and 300
C/W junction to ambient when mounted on
FR4 PC board (1 oz Cu) with recommended footprint
(see last page)
Steady-State Power: 0.5 watts at end cap
temperature T
EC
< 100
o
C or ambient temperature T
A
< 25
o
C when mounted on FR4 PC board as described
for thermal resistance above (see Figure 2 for
derating)
Forward voltage @200 mA: 1.1 volts (maximum)
Solder Temperatures: 260
o
C for 10 seconds (max)
Regulates voltage over a broad operating
current and temperature range
Selection from 2.4 to 200 V
Standard voltage tolerances are plus/minus 5%
with B suffix identification and 10 % with A suffix
Tight tolerances available in plus or minus 2%
or 1% with C or D suffix respectively
Nonsensitive to ESD per MIL-STD-750 Method 1020
Minimal capacitance (see Figure 3)
Inherently radiation hard as described in Microsemi
MicroNote 050
MECHANICAL AND PACK AGING
CASE: Hermetically sealed glass DO-213AA
(SOD80 or MLL34) MELF style package
FINISH: End caps Tin-Lead or RoHS Compliant
annealed matte-Tin plating solderable per MIL-STD-
750, method 2026
POLARITY: Cathode indicated by band where
diode is to be operated with the banded end positive
with respect to the opposite end for Zener regulation
MARKING: cathode band only
TAPE & REEL option: Standard per EIA-481-B with
12 mm tape, 2000 per 7 inch reel or 5000 per 13
inch reel (add “TR” suffix to part number)
WEIGHT: 0.04 grams
See package dimensions on last page
Microsemi
Scottsdale Division
Page 1
Copyright
2005
8-29-2005 REV B
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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| 1N5258 | 制造商:Motorola Inc 功能描述: |
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| 1N5258B (DO-35) | 制造商:Aeroflex 功能描述:COMMERCIAL ZENER VOLTAGE REGUL 制造商:Aeroflex / Metelics 功能描述:COMMERCIAL ZENER VOLTAGE REGULATOR DIODE - Bulk 制造商:Microsemi Corporation 功能描述:ZENER VOLTAGE REGULATOR DIODE DO-35 SD - Bulk |
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