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MVUMA28A

更新时间： 2024-10-28 19:54:59
品牌 Logo 应用领域
美高森美 - MICROSEMI 局域网光电二极管
页数 文件大小 规格书
4页 434K
描述
Trans Voltage Suppressor Diode, 500W, 28V V(RWM), Unidirectional, 1 Element, Silicon, PLASTIC, ULTRAMITE, 2 PIN

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MVUMA28A 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：R-PDSO-R2针数：2
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8541.10.00.50风险等级：5.92
最小击穿电压：31.1 V配置：SINGLE
二极管元件材料：SILICON二极管类型：TRANS VOLTAGE SUPPRESSOR DIODE
JESD-30 代码：R-PDSO-R2JESD-609代码：e0
最大非重复峰值反向功率耗散：500 W元件数量：1
端子数量：2封装主体材料：PLASTIC/EPOXY
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED极性：UNIDIRECTIONAL
最大功率耗散：1.08 W认证状态：Not Qualified
最大重复峰值反向电压：28 V表面贴装：YES
技术：AVALANCHE端子面层：TIN LEAD
端子形式：WRAP AROUND端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

MVUMA28A 数据手册

 浏览型号MVUMA28A的Datasheet PDF文件第2页浏览型号MVUMA28A的Datasheet PDF文件第3页浏览型号MVUMA28A的Datasheet PDF文件第4页 
UMA5.0A thru UMA170CA  
ULTRAMITE™ SURFACE MOUNT 500 Watt  
Transient Voltage Suppressor 5.0 to 170 V  
S C O T T S D A L E D I V I S I O N  
DESCRIPTION  
PACKAGE  
These 500 watt transient voltage suppressors offer capabilities only found in larger  
packages. They are used for protecting against a variety of transients from inductive  
switching environments or lower levels of induced secondary lightning effects of  
IEC61000-4-5. It offers the same size footprint as the popular DO-214AC or  
BA package outlines except with a much lower profile height. Its robust  
configuration in a “2010” style MELF package prevents damage to extended-  
lead terminals and virtually eliminates inductive parasitics from fast rise-time  
transients with very short internal/external conduction paths. They are also very  
effective in protection from ESD or EFT per IEC61000-4-2 and IEC61000-4-4.  
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com  
UltraMite™  
FEATURES  
APPLICATIONS / BENEFITS  
•
Available as a unidirectional or bidirectional device  
•
Protects sensitive components such as IC’s, CMOS,  
Bipolar, BiCMOS, ECL, DTL, T2L, etc.  
(bidirectional with CA suffix)  
•
•
Fast response time  
•
•
Protection from switching transients & induced RF  
Suppresses transients up to 500 W @ 10/1000 µs  
Compliant to IEC61000-4-2 and IEC61000-4-4 for  
(see Figure 1, 2, and 3).  
ESD and EFT protection respectively  
•
•
Robust 2010 MELF style flat package configuration  
for accurate pick-and-place handling  
•
Secondary lightning protection per IEC61000-4-5  
with 42 Ohms source impedance:  
Fits same small narrow PCB pad layouts as “SMAJ”  
Class 1: UMA5.0 to UMA100A or CA  
Class 2: UMA5.0 to UMA51A or CA  
Class 3: UMA5.0 to UMA24A or CA  
Class 4: UMA5.0 to UMA12A or CA  
packages in JEDEC DO-214AC (or BA)  
•
•
•
•
•
Very low height profile (approximately 1 mm)  
Available on Tape and Reel  
Built-in stress relief with similar COE as PC boards  
Optional Lead-Free design/finish (UMAF5.0A-170CA)  
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.  
ꢀ
Secondary lightning protection per IEC61000-4-5  
with 12 Ohms source impedance:  
Class 1: UMA5.0 to UMA30A or CA  
Class 2: UMA5.0 to UMA16A or CA  
•
Virtually zero inductive parasitics with minimal Ldi/dt  
voltage overshoots for fast-rise-time transients  
MAXIMUM RATINGS  
MECHANICAL AND PACKAGING  
•
Peak Pulse Power dissipation at 25ºC: 500 watts at  
•
•
•
•
FRP substrate material and epoxy under-fill package  
10/1000 µs (also see Fig 1, 2, and 3)  
Impulse repetition rate (duty factor): 0.01%  
meeting UL94V-0  
•
•
Terminals solder plated (solderable per MIL-STD-  
750, Method 2026)  
t
clamping (0 volts to V(BR) min.): < 100 ps theoretical for  
unidirectional and < 5 ns for bidirectional  
Body marked with part number without UMA prefix  
(ie. 05, 15A, 33A, 58, 150CA, etc.)  
•
•
Operating and Storage temperature: -55ºC to +150ºC  
Thermal resistance: 50 ºC/W junction to lead, or  
115ºC/W junction to ambient when mounted on FR4  
PC board (1oz Cu) with recommended 5 mm2 pads  
(see last page)  
Cathode designated with band (no band on  
bidirectional)  
Weight: 0.020 grams (approximate)  
Tape & Reel packaging per EIA-481-2 with 12 mm  
tape and 3000 units/reel (7 inch) or 10,000 units/reel  
(13 inch)  
•
•
•
•
•
Steady-State Power: 2.5 watts at TL = 25oC, or 1.08  
watts at TA = 25ºC when mounted on FR4 PC board  
with recommended 5 mm2 footprint pads  
•
See package dimensions on last page  
Forward Surge Current at 25ºC: 40 amps peak, 8.3  
ms half-sine wave. Maximum voltage of 3.50 V  
(unidirectional only)  
Solder temperatures: 260 ºC for 10 s (maximum)  
Copyright 2002  
Microsemi  
Page 1  
MSCUMA5.0.PDF 10-16-2003 REV B  
Scottsdale Division  
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503  
1234

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