|
[China]
Trade Verify
Address: Room 101, No. 21, Huayuanzai Road, Chongmei, Chashan Town, Dongguan City, Guangdong Province
Contact name:Huang
Dongguan Linkun Electronic Technology Co., Ltd. |
|
Verified Suppliers
|
|
|
PRODUCT SPECIFICATION
| (Type) | (Your Ref.) | (Material No.) | (Design) | (Version) |
| MYL40- 621B | D40K275-K5-G002 | MYL | D-1 |
| (Physical parameters) | (Unit) : (mm) | ||||||
| D (max.) | 45.0 | |||||
| H (max.) | 60.0 | ||||||
| H2 (max.) | 45.0 | ||||||
| T (max.) | 8.7 | ||||||
| W (±1.0) | 25.4 | ||||||
| l (max) | 3.0 | ||||||
| L (min) | 12 | ||||||
| e (±1.0) | 6.0 | ||||||
| d (±0.1) | 3.8 | ||||||
| A (±0.1) | 0.5 | ||||||
| B (±0.1) | 7.1 | ||||||
| (Lead wire) | Tinning copper wire | ||||||
| Coating | Blue insulated epoxy resin | (Weight), g | 29.0 | ||||
| Varistor voltage (V1mA) | 558V | ~ | 621V | ~ | 682V |
| Max. continuous operating voltage | Vrms: 385 V; | VDC: 505V | |||
| Rated power | 1.4W | ||||
| Max. clamping voltage (8/20μs) | VC: 1025V; | IC: 300A | |||
| Surge current (1×8/20μs) | 40000 A | (8/20μs) | |||
| Max. energy | 860 J | (2ms) | |||
| Typical capacitance | 3800pF | (1KHz) | |||
| Leakage current | ≦19μA | (75% of V1mA (DC)) | |||
| Operating temperature | -40℃ ~ +85℃ | ||||
| Storage temperature | -55℃ ~ +125℃ | ||||
| Packing | □ | Bulk | ----pcs/bag | ------pcs/box | ------pcs/carton |
| ■ | Box | ----pcs/ bag | 50 pcs/box | 500pcs/carton |
Strong Surge Withstand Capacity 53D MOV Metal Oxide Varistor Wide Working Voltage Range
SPD varistor manufacturers believe that semiconductor devices are
also one of the new components introduced into automobiles, mainly
used to protect the electrical system of automobiles and avoid
damage to the system by overvoltage and surge energy. The
application of varistors in automobiles can avoid the use of
various techniques to adjust the electrical system. The low-voltage
high-energy zinc oxide varistor (MYN1) is directly used to adjust
the voltage and current of the ab terminal of the power supply to
protect the entire electrical system. Even if the battery is
disconnected from the power supply or the load drops sharply, and
there is a large surge energy at both ends of AB, the varistor can
also protect semiconductor devices and various electronic devices
from surge impact, thereby reducing the volume and weight of the
vehicle, and reducing driving fuel consumption.
The application of varistors in automobiles can not only protect
automobiles, but also improve automobile manufacturing technology
and performance. SPD varistor manufacturers believe that rheostats
can also protect the voltage and suppress the overvoltage of
electronic ignition. When the ignition system is in normal working
condition, the ignition ring will generate counter electromotive
force. If the voltage across the secondary L2 calculated by the
turns ratio exceeds 20kV, the high voltage will cause instantaneous
breakdown of the spark plug, and the ignition will start normally.
However, if the ignition system fails and the ignition is not
normal, the induced voltage will cause a high overvoltage at the
primary end of the ignition system, thereby shortening the life. By
applying varistors and directly connecting varistors at both ends
of the composite tube, it is possible to protect the ignition
system, suppress overvoltage, and protect the automotive electrical
system.
Basic properties of varistors:
(1) Protection characteristics. When the impact strength of the
impact source (or the impact current Isp=Usp/Zs) does not exceed
the specified value, the limited voltage of the varistor is not
allowed to exceed the impact withstand voltage (Urp) that the
protected object can withstand. .
(2) Impact resistance characteristics, that is, the varistor itself
should be able to withstand the specified impact current, impact
energy, and the average power when multiple impacts occur one after
another.
(3) There are two life characteristics. One is the continuous
working voltage life, that is, the varistor can meet the specified
working time (hours) under the specified ambient temperature and
system voltage conditions. The second is the impact life, that is,
the number of times it can reliably withstand the specified impact.
Model Number | 40D 201K 241K 431K 471K 511K 561K 681K 751K 781K 821K 911K 102K
112K 152K 162K |
Package | Varistors |
D/C | Newest |
Condition | New & Original |
Lead time | Within 1 day |
Unit Price | Contact us for latest price |
More details | Please contact us |
Applications
Transistor, diode, IC, thyristor or triac semiconductor protection
Surge protection in consumer electronics Surge protection in industrial electronics
Surge protection in electronic home appliances, gas and petroleum appliances
Relay and electromagnetic valve surge absorption
Competitive Advantage:
Production Process / Quality Control
Application
1. Varistor voltage: refers to the voltage value across the
varistor at a specified temperature and DC (generally 1mA or
0.1mA). Recorded as V1mA or V0.1mAo
2. Maximum continuous voltage: refers to the maximum effective
value of sinusoidal AC voltage or the maximum DC voltage value that
can be continuously applied to both ends of the varistor for a long
time under the specified ambient temperature
3. Limiting voltage: refers to the maximum peak voltage at both
ends of the varistor when a specified surge current (8,20μs) passes
through it.
4. Rated power: refers to the maximum average impact power that can
be applied to the varistor under the specified ambient temperature.
5. Maximum energy: the maximum impact energy that can be applied to
the varistor under the condition that the varistor voltage does not
change more than ±10% and the impulse current waveform is 10,
1000μs or 2ms.
6. Current capacity (maximum inrush current)
