YA Relay Nonlatch AC Coil 4 PDT, 5 Amp – Datasheet Analysis

Category: Electronics, Esterline Power Systems Leach International, Relays

Summary of YA Relay Nonlatch AC Coil 4 PDT, 5 Amp Datasheet

The datasheet provides detailed information about the YA Relay designed for nonlatching operation with an AC coil, featuring 4 poles double throw (PDT) contact arrangement with a 5-ampere current rating. This relay is engineered to meet the rigorous performance standards outlined by the military specification MIL-PRF-83536.

Principal Technical Characteristics

The contacts of the YA Relay are rated for low-level operations at 28 Vdc and high-level operations at both 115 Vac and 200 Vac with a frequency of 400 Hz. The relay is encapsulated in a hermetically sealed, corrosion-resistant metal can ensuring durability and reliability in harsh environments. The relay exhibits a maximum weight of 30 grams and its dimension specifications are 20.6 x 16.3 x 20.6 mm. It is designed to be compliant with socket model SO-1066-10385/10386.

Contact Electrical Characteristics

True to its design for versatility, the YA Relay accommodates different loads per pole, ranging from resistive (5A at 28Vdc), inductive (3A), motor (2A), lamp, to overload (20A) and rupture (25A) conditions. Low-level performance aspects and time current characteristics are also meticulously defined, adapting to a variety of electrical demands. Load current specifications are further extended to operations at 115 Vac and 115/200 Vac, both at 400 Hz.

Coil Characteristics and General Specifications

The relay’s coil operates effectively within a range of voltages, with cold coil operating conditions accounted from 90 to 122 Vac at various temperatures. The relay can withstand a broad temperature spectrum from -70°C to 85°C and is internally robust with insulation resistance of 100 megaohms minimum pre- and post-environmental testing.

Reliability and Durability Tests

The relay’s durability is evidenced by its minimum operating cycles, which stands at 50,000 at rated load and 200,000 at 25% rated load. It has passed several critical tests, such as dielectric strength, insulation resistance, sinusoidal and random vibration, shock, and bounce tests. These tests are conducted according to military standards (MIL-STD-202), ensuring that the relay’s performance is reliable even under severe conditions.

Contact information for the Americas, Europe, and Asia is provided, underscoring the availability of the LEACH series W Relay across global regions. It is noted that the data sheet is for initial product selection and comparison, recommending contact with Esterline Power Systems for definitive component choice.

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