SA5219 и другие
| Компонент | Описание | Производитель | |
| 1830-A521 | T1/E1 Protection Assembly, Rail Mounted |
Bourns Electronic Solutions |
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| 50PA-521 | BENCHTOP PROGRAMMABLE ATTENUATOR ASSEMBLY |
JFW Industries, Inc. |
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| A-5219-09B | 2.36mm (.093") Diameter Standard .093" Pin and Socket Header, Vertical, with Beveled Plastic Peg, 9 Circuits |
Molex Electronics Ltd. |
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| A-521E | SINGLE DIGIT DISPLAY |
List of Unclassifed Manufacturers |
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| A-521G | SINGLE DIGIT DISPLAY |
List of Unclassifed Manufacturers |
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| A-521H | SINGLE DIGIT DISPLAY |
List of Unclassifed Manufacturers |
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| A-521SR | SINGLE DIGIT DISPLAY |
List of Unclassifed Manufacturers |
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| A5219 | Supervisor IC indicates fan failure |
List of Unclassifed Manufacturers |
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| A521RHI | Very High Isolation, 5W Single & Dual Output DC/DC Converters |
MicroPower Direct, LLC |
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| A521RW | Wide Input Range, 5W Single & Dual Output DC/DC Converters |
MicroPower Direct, LLC |
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