25D821K 25mm Metal Oxide Varistor MOV 510VAC 670VDC 15000A Surge Protection Device
Price:
Negotiable
MOQ:
1000 Pieces
Delivery Time:
2-3 Weeks
Brand:
AMPFORT
Product Description
Leaded Disk SIOV Metal Oxide Varistor 25D821K
Product Overview
The 25D821K is a 25mm leaded disk metal oxide varistor (MOV) designed for robust surge protection in electronic circuits. With a voltage rating of 510VAC/670VDC and high surge current handling up to 15,000A, this component provides reliable transient voltage suppression.
Construction Details
- Round varistor element with epoxy resin coating
- Flame-retardant to UL 94 V-0 standards
- Tinned wire terminals for reliable connections
Key Features
- High-energy Superior series E4 with excellent surge handling
- UL approval to UL 1449 safety standards
- Very high surge current rating up to 18 kA
- Wide operating voltage range from 18V to 1800V
- Fast response to transient over-voltage events
- Large transient energy absorption capability
- Low clamping ratio with no follow-on current
- Meets MSL level 1 per J-STD-020
- Operating temperature: -40°C to +85°C
- Storage temperature: -40°C to +125°C
Applications
- Transistor, diode, IC, thyristor, and triac semiconductor protection
- Surge protection in consumer electronics and industrial equipment
- Electronic home appliances and gas/petroleum appliances
- Relay and electromagnetic valve surge absorption
Electrical Specifications - Ø 25D Series
| Part Number | Vac (V) | Vdc (V) | V1mA (V) | Ip (A) | Vc (V) | Withstanding Surge Current (A) | Maximum Energy 10/1000μs (J) | Rated Power (W) | C @1KHz (pF) |
|---|---|---|---|---|---|---|---|---|---|
| 25D821K | 510 | 670 | 820(738-902) | 150 | 1355 | 15000 | 570 | 1.2 | 800 |
Circuit Protection Selection Guide
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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