TMOV Integrated Metal Oxide Varistor 20mm 275Vac 8000A 151J 3Pin With 146C TCO Thermal Protection
Applications
■ AC power line or AC/DC supplies
■ 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
■ AC panel protection Modules
Dimension in mm
| D (max.) | 25.0 |
| H2 (max.) | 29.0 |
| T (max.) | 9.8 |
| L (min) | 20.0 |
| l (min) | 15.0 |
| W1 (±1.0) | 7.5 |
| W2 (±1.0) | 4.0 |
| e1 (max) | 3.2 |
| e2 (max) | 4.8 |
| d1 (±0.1) | 1.0 |
| d2 (±0.1) | 0.8 |
| Lead wire | Tinning copper wire |
| R | Comply with ROHS Directive |
| Weight, g | 7.1 |
| Coating | Blue epoxy resin |
Specification
| Varistor voltage (V1mA) | 387V | ~ | 430 V | ~ | 473V |
| Max. continuous operating voltage | Vrms: 275 V; | VDC: 350V |
| Rated power | 1.0 W |
| Max. clamping voltage (8/20μs) | VC: 710V; | IC: 100A |
| Surge current (1×8/20μs) | 8000 A | (8/20μs) |
| Max. energy | 151 J | (2ms) |
| Typical capacitance | 1350pF | (1KHz) |
| Leakage current | ≦10μA | (75% of V1mA (DC)) |
| Operating temperature | -40℃ ~ +85℃ |
| Storage temperature | -40℃ ~ +100℃ |
| Fuse temperature | 146℃ |
| Hand soldered temperature / Time | 265℃/3s |
Package
| Packing | Bulk | 200pcs/bag | 800pcs/box | 1600pcs/carton |
Features
■ TMOV integrated thermal protection device
■ High peak surge current rating up to 10KA
■ Designed to facilitate compliance to UL1449 for TVSS products
■ Wide operating voltage (V1mA) range from 18V to 1200V
■ Rated current: 10A/15A
■ Rated Functioning Temperature:146(℃)
■ Fast responding to transient over-voltage and limited current
■ Large absorbing transient energy capability
■ Low clamping ratio and no follow-on current
■ Three-lead version available for indication purposes
■ Meets MSL level 1, per J-STD-020
■ Operating Temperature:-40℃ ~ +85 ℃
■ Storage Temperature:-40℃ ~ + 85℃
Application Example 1
This circuit utilizes an optocoupler to provide galvanic isolations between the iTMOV varistor
and the indicating or alarm circuitry
Application Example 2
In this case, the LED is normally on, and is off when the thermal element opens.
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