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UMA5818E3 [MICROSEMI]

Rectifier Diode, Schottky, 1 Element, 1A, 30V V(RRM), Silicon, PLASTIC PACKAGE-2;
UMA5818E3
型号： UMA5818E3
厂家： Microsemi    Microsemi
描述：

Rectifier Diode, Schottky, 1 Element, 1A, 30V V(RRM), Silicon, PLASTIC PACKAGE-2

瞄准线 光电二极管
文件： 总3页 (文件大小：303K)
中文：  中文翻译
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UMA5817, UMA5818, and UMA5819  
ULTRAMITE™ SURFACE MOUNT  
SCHOTTKY BARRIER RECTIFIERS  
S C O T T S D A L E D I V I S I O N  
DESCRIPTION  
APPEARANCE  
The UMA5817 thru UMA5819 UltraMite™ series offers small efficient  
surface mount packaging with the same electrical features as the popular  
1N5817, 1N5818, and 1N5819 Schottky rectifiers. It provides the same  
size footprint as other small surface mount DO-214AC or BA package  
options except with a much lower profile height. Its configuration in a “2010  
MELF” style robust package design prevents lead damage to terminals and  
also minimizes parasitics by eliminating internal wire bonds and providing  
very short internal conduction paths.  
UltraMite™  
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com  
FEATURES  
APPLICATIONS / BENEFITS  
•
Plastic package has Underwriters Laboratory  
•
•
For surface mount applications  
Flammability classification 94V-0  
For use in low-voltage high-frequency switching  
power supplies, inverters, free wheeling, and  
polarity protection applications  
Low power loss, High efficiency  
Low inductive parasitics for minimal Ldi/dt effects  
•
•
•
•
•
Metal to silicon rectifier, majority carrier conduction  
High current capability, low VF  
Built-in stress relief with similar COE as PC boards  
•
•
•
Optional Lead-Free design/finish (UMAF5817-19)  
Fits same small PCB footprints as popular  
Options for screening in accordance with MIL-PRF-  
19500/586 for JAN, JANTX, JANTXV, and JANS  
are available by adding MQ, MX, MV, or MSP  
prefixes respectively to part numbers. For  
example, designate a MXUMAJ5819 for a JANTX  
screen.  
“SMAJxxx” or “SMBJxxx” Schottky devices in  
JEDEC outlines DO-214AC (or BA) and DO-214AA  
respectively except with much lower height profile  
•
Robust 2010 MELF style package configuration for  
pick-and-place handling  
MAXIMUM RATINGS  
MECHANICAL AND PACKAGING  
•
•
FRP substrate material and epoxy under-fill  
•
•
•
Operating junction and storage temperature  
range (TJ and TSTG): -50 oC to +125oC  
package meeting UL94V-0  
Terminals solder plated (solderable per MIL-STD-  
750, Method 2026)  
Body marked with 5817, 5818, or 5819  
Cathode designated with band  
Weight: 0.020 grams  
Tape & Reel packaging per EIA-481-2 with 12 mm  
tape and 3000 units/reel (7 inch reel) or 10,000  
units/reel (13 inch reel)  
Forward average rectified current (IO)  
@TC=75oC: 1.0 Amp  
•
•
•
•
Forward surge current (IFSM) 8.3 ms single  
half-sine waveform superimposed on rated  
load (JEDEC Method): 25 Amps  
•
•
Typical thermal resistance (RθJL): 50 oC/W  
Typical junction capacitance (CJ) at 1.0 MHz  
and VR of 5.0 Volts: 65 pF for UMA5817, and  
46 pF for UMA5818 and UMA5819  
•
See package dimensions on last page  
•
Solder temperatures: 260 ºC for 10 s (maximum)  
ELECTRICAL CHARACTERISTICS @ 25oC unless specified otherwise  
Working  
Maximum  
Maximum  
Maximum  
Maximum  
Maximum  
dc reverse  
current @  
VRWM  
Maximum dc  
Peak  
RMS  
Peak  
Forward  
Forward  
reverse  
Reverse  
Voltage  
VRWM  
Voltage;  
Repetitive  
Voltage;  
VRRM  
Voltage at 1.0A Voltage at 3.0A  
current @  
(note 1)  
VF  
(note 1)  
VF  
VRWM ,100oC  
Part  
VRMS  
Volts  
14  
IR  
IR  
mA  
10  
Number  
Volts  
Volts  
20  
Volts  
0.45  
Volts  
0.75  
mA  
UMA5817 20  
UMA5818 30  
UMA5819 40  
0.5  
21  
30  
0.55  
0.875  
0.90  
0.5  
10  
28  
40  
0.60  
0.5  
10  
NOTES: (1) Pulse test with PW=300 µsec, 1% duty cycle.  
Copyright 2002  
Microsemi  
Page 1  
10-16-03 REV B  
Scottsdale Division  
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503  
UMA5817, UMA5818, and UMA5819  
ULTRAMITE™ SURFACE MOUNT  
SCHOTTKY BARRIER RECTIFIERS  
S C O T T S D A L E D I V I S I O N  
GRAPHS  
UMA5818  
UMA5817  
UMA5819  
TJ = 25oC  
Copyright 2002  
Microsemi  
Page 2  
10-16-03 REV B  
Scottsdale Division  
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503  
UMA5817, UMA5818, and UMA5819  
ULTRAMITE™ SURFACE MOUNT  
SCHOTTKY BARRIER RECTIFIERS  
S C O T T S D A L E D I V I S I O N  
UMA5817  
UMA5818  
UMA5819  
PACKAGE DIMENSIONS & PAD LAYOUT  
PAD LAYOUT  
PAD di  
INCHES  
MM  
DIM  
A
MIN  
MAX  
.181  
.091  
.045  
.045  
.002  
.020  
MAX  
4.40  
2.10  
.85  
MAX  
4.60  
2.30  
1.15  
1.15  
.05  
.173  
.083  
.033  
.033  
.002  
.020  
B
C
D
.85  
E
.05  
F
.50  
.50  
INCHES  
.245  
mm  
6.22  
1.90  
2.62  
A
B
C
.075  
.103  
Copyright 2002  
Microsemi  
Page 3  
10-16-03 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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