V320PA40A Equivalent Base Mount Metal Oxide Varistor PA20-511 As Transient Surge Suppressors
Price:
Negotiable
MOQ:
500PCS
Delivery Time:
2-3 weeks
Brand:
CNAMPFORT
Product Description
V320PA40A Equivalent Base Mount Metal Oxide Varistor PA20-511
High-performance transient surge suppressors designed for industrial applications requiring reliable surge protection and vibration resistance.
Product Overview
Engineered with reliable installation features and flat electrodes for optimal heat exchange, the PA varistor series is ideal for applications with strong vibration or high power consumption industrial electronic products. The flat electrodes are soldered with metallized discs and potted in bakelite housing using non-flammable, insulating materials.
Applications
Widely used in industrial automatic control equipment, power supply control, water supply systems, petroleum equipment, mining equipment, railway signal systems, and other critical industrial applications.
Construction & Features
- Construction: Flat electrode soldered with metallized disc potted in bakelite housing
- Potting materials: Non-flammable, insulation and explosion protection potting resin-retardant to UL 94 V-0
- Terminals: Tinned copper plate
- Package: Box
Technical Specifications
| Varistor voltage (V1mA) | 459V ~ 510V ~ 561V |
| Max. continuous operating voltage | Vrms: 320V; VDC: 410V |
| Rated power | 1.0W |
| Max. clamping voltage (8/20μs) | VC: 850V; IC: 100A |
| Surge current (1×8/20μs) | 10000A (8/20μs) |
| Max. energy | 273J (2ms) |
| Typical capacitance | 1050pF (1KHz) |
| Leakage current | Not more than 10μA (75% of V1mA (DC)) |
| Operating temperature | -25℃ ~ +85℃ |
| Storage temperature | -25℃ ~ +125℃ |
Model Comparison: PA20-511 vs. PA20-511C
| Parameter | PA20-511 | PA20-511C |
|---|---|---|
| Part Number | PA20-511 | PA20-511C |
| Varistor voltage (V1mA) | 459~561V | 459~534V |
Cross Reference List
PA Series (Bakelite Housing, peak current(8/20μs) 10kA) Metal Oxide Varistor with UL approval
| CNAMPFORT | Littelfuse/Harris | PANASONIC(ZNR) | Epcos(SIOV) | MAIDA | CKE |
|---|---|---|---|---|---|
| PA20-201 | V130PA20A | / | / | / | / |
| PA20-201C | V130PA20C | / | / | / | / |
| PA20-241 | V150PA20A | / | / | / | / |
| PA20-241C | V150PA20C | / | / | / | / |
| PA20-391 | V250PA40A | / | / | / | / |
| PA20-391C | V250PA40C | / | / | / | / |
| PA20-431 | V275PA40A | / | / | / | / |
| PA20-431C | V275PA40C | / | / | / | / |
| PA20-511 | V320PA40A | / | / | / | / |
| PA20-511C | V320PA40C | / | / | / | / |
| PA20-681 | V420PA40A | / | / | / | / |
| PA20-681C | V420PA40C | / | / | / | / |
| PA20-751 | V480PA80A | / | / | / | / |
| PA20-751C | V480PA80C | / | / | / | / |
| PA20-821 | V510PA80A | / | / | / | / |
| PA20-821C | V510PA80C | / | / | / | / |
| PA20-911 | V575PA80A | / | / | / | / |
| PA20-911C | V575PA80C | / | / | / | / |
| PA20-112 | V660PA100A | / | / | / | / |
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongguan Ampfort Electronics Co., Ltd.
Location
Floor 5,Changlong Industrial Building,No.6,Jiangnan Road,Jingshan,Chashan Town,Dongguan 523323,China
Contact Person
Annie Fang