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參數資料
| 型號： | MQ1N990C |
| 廠商： | MICROSEMI CORP-SCOTTSDALE |
| 元件分類： | 齊納二極管 |
| 英文描述： | 160 V, 0.417 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AA |
| 封裝： | HERMETIC SEALED, GLASS, DO-7, 2 PIN |
| 文件頁數： | 1/3頁 |
| 文件大小： | 167K |
| 代理商： | MQ1N990C |
Silicon 500 mW 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
2005
10-18-2005 REV C
WWW
.Microse
m
i
.CO
M
S C O T TS DALE DIVISION
1N957B thru 1N992B, e3 DO-7
1N9
57
B
–
99
2B,
e3
(DO
-7
)
DESCRIPTION
APPEARANCE
The popular 1N957B thru 1N992B series of 0.5 watt Zener voltage regulators
provides a selection from 6.8 to 200 volts in standard 5% or 10% tolerances
as well as tighter tolerances identified by different suffix letters on the part
number.
The somewhat larger DO-7 packaging option offers a “straight-
through” soldered internal connection with a larger active die element than
otherwise provided in the smaller DO-35 package when needed. Microsemi
also offers numerous other Zener products to meet higher and lower power
applications.
DO-7
(DO-204AA)
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
APPLICATIONS / BENEFITS
JEDEC registered 1N957B to 1N992B series
Internal metallurgical bonding equivalent to “-1” suffix
identification on other military DO-7 Zeners
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 in DO-213AA also
available as MLL957B to MLL992B or with “-1” suffix
(consult factory for other surface mount options)
RoHS Compliant devices available by adding e3 suffix
Smaller DO-35 glass body axial-leaded Zener
equivalents are also available
Regulates voltage over a broad operating current
and temperature range
Extensive selection from 6.8 to 200 V
Standard voltage tolerances are plus/minus 5%
with B suffix, 10 % with A suffix identification
Tight tolerances available in plus or minus 2% or
1% with C or D suffix respectively
Flexible axial-lead mounting terminals
Nonsensitive to ESD
Capacitance also specified (see Figure 3)
Inherently radiation hard as described in
Microsemi MicroNote 050
MAXIMUM RATINGS
MECHANICAL AND PACKAGING
Operating and Storage temperature: -65C to +175C
Thermal Resistance: 300 C/W junction to lead at 3/8
(10 mm) lead length from body, or 360
C/W junction
to ambient when mounted on FR4 PC board (1 oz
Cu) with 4 mm
2 copper pads and track width 1 mm,
length 25 mm
Steady-State Power: 0.5 watts at T
L < 25
oC 3/8 inch
(10 mm) from body or 0.417 W at TA < 25
C when
mounted on FR4 PC board as described for thermal
resistance above (also see Figure1)
Forward voltage @200 mA: 1.1 volts (maximum) for
1N957B – 1N985B and 1.3 V for 1N985 – 1N992B
Solder Temperatures: 260 C for 10 s (max)
CASE: Hermetically sealed axial-lead glass DO-7
(DO-204AA) package
TERMINALS: 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 for Zener regulation
MARKING: Part number
TAPE & REEL option: Standard per EIA-296 (add
“TR” suffix to part number)
WEIGHT: 0.2 grams
See package dimensions on last page
相關PDF資料 |
PDF描述 |
|---|---|
| MQ1N990D-1E3TR | 160 V, 0.417 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AA |
| MQ1N991C | 180 V, 0.417 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AA |
| MQ1N991E3TR | 180 V, 0.417 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AA |
| MSP1N957D-1 | 6.8 V, 0.417 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AA |
| MSP1N958TR | 7.5 V, 0.417 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AA |
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