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參數資料
| 型號： | MSV401B |
| 廠商： | MICROSEMI CORP-SCOTTSDALE |
| 元件分類： | 限壓二極管 |
| 英文描述： | BIDIRECTIONAL VARISTORS |
| 中文描述： | SILICON, STABISTOR DIODE, DO-201AA |
| 封裝： | PLASTIC PACKAGE-2 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 282K |
| 代理商： | MSV401B |
BIDIRECTIONAL VARISTORS
SCOTTSD A L E DIVISION
MSV101A thru MSV101G
MSV201A thru MSV701A
W
.Mi
cr
os
em
i
.C
O
M
S
V
10
1A
–
10
1G
an
d
M
S
V
20
1A
–
70
1A
DESCRIPTION
APPEARANCE
The MSV series consists of a matched set of silicon p-n junctions
configured for bidirectional application. They can be used in telephone
equipment, replacing copper-oxide varistors, fractional voltage regulators,
negative-temperature-coefficient resistors, signal limiters and expanders.
They are ideally suited for meter/galvanometer protection, wave shaping,
threshold limiters and zener diode compensation.
The MSV varistor uses two or more forward biased matched silicon diodes
in anti-parallel legs in a two-electrode device configuration. It provides a
voltage-dependent nonlinear resistance that drops markedly as the applied
voltage is increased similar to a TVS except it offers lower voltage features.
MSV devices are designed for controlled protection at various current
levels and are rated at various peak pulse currents.
These varistors are supplied in Microsemi’s cost-effective, highly reliable,
molded axial-leaded package. Non-standard voltages are also available.
Devices in this series with VC2 clamping are rated to U.L.497B
requirements. (See table).
DO-201AA
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
APPLICATIONS / BENEFITS
Bidirectional low voltage clamping 1.5 V to 9.0 V
using forward biased diodes in series and antiparallel
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
Moisture classification is Level 1 with no dry pack
required per IPC/JEDEC J-STD-020B
Negative temperature coefficient (see Figure 2)
Low voltage clamping protection well be low
conventional TVS components
Telephone equipment protection
Protects from switching transients
Protection from ESD and EFT per IEC 61000-4-2
and IEC61000-4-4
Secondary lightning protection
Clamping voltages also specified per U.L. 497B with
100 V/s rise time
MAXIMUM RATINGS
MECHANICAL AND PACKAGING
Steady State Power: 1.0 Watt at 50
oC.
Operating and Storage temperatures: -65
oC to
+150
oC.
Surge: 30 Amps, 8.4 ms @ 25
oC.
Pulse: 1.0 ms @ 25
oC for VC1 clamping*.
tclamping (0 volts to VBR min.): Less than 1x10
-8
seconds (theoretical)
Solder temperatures: 260
oC for 10 s (maximum)
CASE: Void free molded thermosetting epoxy body
meeting UL94V-0
FINISH: Tin-lead plated copper readily solderable
per MIL-STD-750, method 2026
POLARITY: Not marked for Bidirectional
MARKING: Part Number
TAPE & REEL option: Standard per EIA-296 (add
“TR” suffix to part number)
WEIGHT: 1.5 gram (approx.)
See package dimensions on last page
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
Copyright
2003
12-23-2003 REV A
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