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V275LA20AP
+BOMVARISTOR 430V 4.5KA DISC 14MM
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メーカーリテルヒューズ社
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メーカー品番 #V275LA20AP
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在庫状況26030
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Series | LA |
| Part Status | Active |
| Maximum AC Volts | 275 V |
| Maximum DC Volts | 369 V |
| Varistor Voltage (Min) | 387 V |
| Varistor Voltage (Typ) | 430 V |
| Varistor Voltage (Max) | 473 V |
| Current - Surge | 4.5 kA |
| Energy | 75J |
| Number of Circuits | 1 |
| Capacitance @ Frequency | 450 pF @ 1 MHz |
| Operating Temperature | -55°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
| Package | Disc 14mm |
| Packaging | Bulk |
概要
Description
Varistors like the V275LA20AP work by changing their resistance based on the voltage level; they present very high resistance at normal operating voltages but become highly conductive when exposed to high voltage, thus clamping the voltage to a safer level. This feature makes them ideal for applications in power supply circuits, communication lines, and other systems susceptible to voltage fluctuations. The "AP" suffix typically denotes specific packaging or performance characteristics. As part of a complete protection strategy, these devices help improve the reliability and longevity of electronic components by mitigating the risks associated with transient surges.
Equivalent
Features
1. Voltage Rating: It has a maximum continuous voltage rating of 275V AC (RMS).
2. Energy Handling: Capable of absorbing high transient energy, it has a peak surge current rating of typically 6,500 Amps.
3. Clamping Voltage: The clamping voltage is approximately 455V at a specified peak current.
4. Response Time: The device responds quickly, typically in less than 25 nanoseconds, to over-voltage conditions.
5. Operating Temperature: It operates efficiently in a wide temperature range, typically from -55°C to +85°C.
6. Package: The V275LA20AP comes in a radial leaded package, which is suitable for through-hole mounting.
7. Applications: This varistor is commonly used for surge protection in power supplies, telecommunications, and industrial equipment.
These features make the V275LA20AP an effective component for safeguarding sensitive electronic devices against electrical stress.
Pinout
The V275LA20AP varistor has two pins. These pins connect to the circuit to provide the necessary path for diverting excess voltage away from sensitive components. The function of the V275LA20AP is to remain non-conductive under normal operating conditions, presenting high resistance, and to conduct in response to a transient voltage, clamping the voltage to a safer level.
This particular varistor has a maximum continuous operating voltage of approximately 275V RMS and is well-suited for applications involving AC voltage protection. It is important in both industrial and consumer electronics to prevent damage due to power surges or lightning strikes.