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0-1432198-1 データシート(PDF) 5 Page - Tyco Electronics |
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0-1432198-1 データシート(HTML) 5 Page - Tyco Electronics |
5 / 6 page VKP (Open – Sealed) PCB Relays Single Relays Catalog 1308028-2 Revised 6-2009 All specifications subject to change. Consult Tyco Electronics for latest specifications. 160 Application Information Load Polarity: VKP series relays for flashing lamp applications are constructed with special AgSnO movable contacts and standard AgSnO stationary contacts. This causes the relay to be sensitive to the polarity of the load voltage. This type of VKP relay must be mechanized in the circuit such that the more positive con- nection is made to the movable contact (identified as terminal 4 in the wiring diagrams). Failure to do so will nullify the benefit of the special AgSnO contact material and will result in significantly reduced relay life. Typical Applications: Typical applications: VKP series relays for flashing lamp applications are typically used for turn signals, hazard warning, emergency vehi- cle, and security system applications. They may also be suitable for high in-rush current capacitive loads such as audio amplifiers. Use on inductive loads or loads with high continuous load currents should be avoided. The relay should also not be used in applications, which do not have a significant make current, as high contact voltage drop may result. Note: The VKP-***72 series relay with special AgSnO contact material replaces the VKP-XXX32 standard current and the VKP-***62 high current PdCu/AgNi0.15 contact relays. High Current Relays: VKP-***72 series relays for flashing lamp applications are generally suitable for passenger car, light truck with or without special trailering requirements, and medium duty truck, and emergency vehicle applications. They are also generally suitable for security system applications for flashing lamps and for most audio amplifier applications. This relay is also recommended for alternating flasher applications, such as emergency vehicles. This version has much improved performance on the normally open contacts, so optimum life can be attained for alternating applications by using two normally open relays and powering the coils alternately. Electrical Life Test Information High current relays: 3 bulb T/S system, combined turn signal and hazard warning with special trailering (test requirements): 3 bulb 2.1 million operations 6 bulb 194 K operations 7 bulb 259 K operations 14 bulb 497 K operations TOTAL 3.0 million operations This application represents about the limit of the performance capability of the "Flashing Lamp” type VKP relay. It should be noted that the low current operations have very little effect on the product life where as the 14 bulb (only) loads can be expected to fail at less than 1 million operations. Note: Bulb as used here is a 27 Watt turn signal bulb, trade #1156. Testing includes operations at –40°C, 23°C, and 85°C. Design Considerations: It should be noted that although the VKP series relays are capable of handling relatively high currents, when applying the product under high current and high ambient temperature conditions, providing adequate con- ductor volume is critical, as is the solder connection, particularly with respect to the normally open contact terminal. It may be necessary to use high temperature solder, a plated through hole PCB, or copper lead frame type construction under these conditions to prevent failure of the solder joint. |
同様の部品番号 - 0-1432198-1 |
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同様の説明 - 0-1432198-1 |
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