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PDF ( 数据手册 , 数据表 ) DH324

零件编号 DH324
描述 Schottky Diodes
制造商 Temex Components
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DH324 数据手册, 描述, 功能
MICROWAVE SILICON COMPONENTS
Contents
MICROWAVE SILICON COMPONENTS
CCOONNTTEENNTTSS
www.DataSheet4U.com
SpiTreitchonfoNloegwy
PAGE
INTRODUCTION / SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-2
SILICON PIN DIODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-4
SCHOTTKY DIODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-28
TUNING VARACTORS DIODES 12-31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER GENERATION DIODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-40
CASE STYLES 12-47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MOS CAPACITORS: Please consult page 7-39 of this catalog
SALES OFFICES: VISIT OUR WEB SITE AT
http://www.temex.net
12-1
Vol. 1







DH324 pdf, 数据表
SILICON PIN DIODES
Plastic package Surface Mount attenuating silicon PIN diodes
PLASTIC PACKAGE SURFACE MOUNT ATTENUATING
SILICON PIN DIODES
Description
TEMEX uses its proprietary technology to manufacture its Silicon PIN diodes in plastic package.
This product family is designed for a low cost, medium to high volume market that may be supplied
in tape and reel for automated pick and place assembly on surface mount circuit boards.
www.DataSheetT4Uh.ecoumse of this technology eliminates wire bonding on to the chips.
Applications
Typical applications include variable RF attenuators and AGC (Automatic Gain Control) circuits,
from MHz to several GHz.
The attenuating Pin diode uses properties of variation of forward series resistance versus the DC
forward bias current. In order to obtain the best dynamic range, a single diode attenuator may be used
in series or shunt configuration or designed as a multiple diode circuit (T or p circuit), where the device
may be matched through the attenuation range.
Note: To reduce the distortion, it is necessary to verify and design with the following formula:
ÎHF
πτl IDC F << 1
ÎHF : RF peak current (A)
τl : Diode minority carrier lifetime (s)
IDC : DC bias current (A)
F : Application frequency (Hz)
Typical performance curve
RSF ()
1000
Typical series resistance versus forward current
100
10
1
0.1
12-8
Vol. 1
DH40144
DH40225
DH40141
IF (mA)
1 10
SALES OFFICES: VISIT OUR WEB SITE AT
http://www.temex.net







DH324 equivalent, schematic
SILICON PIN DIODES
Non magnetic square ceramic package 500 volts PIN diodes
Applications
TEMEX non magnetic SQP diodes are
particularly suitable for Magnetic Resonance
Imaging applications. The maximum operating
www.DataSheetb4Ure.caokmdown voltage is 550 V. Several values of
total capacitance are available (beginning at
0.40 pF), together with a low forward series
resistance.
These devices are characterized for high power
handling, low loss and low distortion (long
carrier lifetime design). The electrical properties
are ideal for use in RF coils which must produce
a homogeneous electromagnetic field in the
MRI system for frequencies from a few MHz to
over 100 MHz.
Maximum ratings
OPERATING
JUNCTION
- 55° C
+ 150° C
STORAGE
- 65° C
+ 150° C
SOLDERING
230° C 5 sec.
Electrical characteristics
STANDARD RATINGS - MAXIMUM LIMITS OF ELECTRICAL PARAMETERS
PACKAGED DIODES
Characteristics Applicable Breakdown
at 25° C
voltage voltage
V VBR
Total
capacitance
CT
Forward series
resistance
RSF
Minority
carrier
lifetime
τI
Power
dissipation
Test
conditions
TYPE
IR < 10 µA Ir < 10 µA
VV
f = 1 MHz
VR = 50 V
pF
f = 120 MHz
IF as below
max
IF = 10 mA
IR = 6 mA
µs
Contact
surface (1)
W
DH80050-40
DH80051-40
DH80052-40
DH80053-40
DH80054-40
DH80055-40
max
500
500
500
500
500
500
typ.
typ.
max IF=100mA IF=200mA
min.
550 0.40 0.45 0.70 0.65
1.1
550 0.55 0.65 0.60 0.55
1.5
550 0.85 1.05 0.40 0.35 2.0
550 1.05 1.20 0.35 0.30 2.5
550 1.25 1.35 0.30 0.27 3.0
550 1.45 1.55 0.25 0.22 3.5
max
3.0
3.5
4.0
4.0
4.5
4.5
(1) diode brazed on infinite copper heat sink
12-16
Vol. 1
SALES OFFICES: VISIT OUR WEB SITE AT
http://www.temex.net










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