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PDF MA44781 Data sheet ( Hoja de datos )
| Número de pieza | MA44781 | |
| Descripción | Dual Anti- Parallel Pair PIN Diode | |
| Fabricantes | Tyco Electronics | |
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Dual Anti- Parallel Pair PIN Diode
Features
• Surface Mount Packages
• Anti-Parallel Pair Construction
• SPC Process for Superior C-V Repeatability
• Designed for MRI applications
• Lead-Free (RoHs Compliant) equivalents
available with 260°C reflow compatibility
Description
The MA44781 is a silicon PIN diodes in surface
mount packages. There are two sets of two PIN di-
ode pairs constructed in opposing configurations.
The package is sealed with a non-conductive epoxy
resin and is suitable for surface mount applications.
Applications
The MA44781 Device is well suited for MRI Passive
switching applications. The PIN Diodes become high
Q, R-C elements under small signal and
behave as effective passive rectifiers or short
circuits under high RF Signal to tune and de-tune the
resonant MRI tank circuit. The anti-parallel
doublet arrangement provides for more efficient RF
power handling.
MA44781
V2
Absolute Maximum Ratings @ TA=+25 °C
(Unless Otherwise Noted) 1
Parameter
Reverse Voltage
Forward Current (per each diode)
Total Power Dissipation2
Absolute Maximum
60V
100 mA3
250 mW
Operating Temperature
-55 °C to +125 °C
Storage Temperature
-55 °C to +125 °C
1. Operation of this device above any one of these parameters
may cause permanent damage.
2. Please refer to application note M538 for surface mounting
instructions
3. Total current per diode= I (rms) + I (dc) @ +25C
Schematic
Internal Construction
Electrical Specifications @ TA = +25 °C
Breakdown Voltage @ IR = 10μA, Vb = 60V Minimum
Junction Capaci-
tance (per diode)
Forward Voltage
Part Num-
ber f=1MHz Vr=-6.0V
If = 20uA
Delta Forward Voltage
If=20uA
(between each diodes)
Total Capacitance
Vr=0V
(pF) (V)
MA44781 0.15-0.50pF
0.500-0.780
1
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
(mV)
(pF)
+/-30mV
1.5-3.5
• North America Tel: 800.366.2266 / Fax: 978.366.2266
• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet MA44781.PDF ] | |
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