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CIT Relay and Switch A21CSQ6VDC16D Automotive Relay

This 6 VDC automotive relay features a quick-connect terminal shape and SPDT contact arrangement, capable of switching up to 40 A. It is sealed for protection against dust and moisture, with a compact size for versatile automotive and industrial applications. The relay operates with a coil power of 1.6 W and includes diode suppression (1N4005) with the cathode on the '86' terminal to ensure electrical noise reduction and reliable switching. Its high current capacity and sealed design make it ideal for automotive accessories, lamps, and control systems requiring durable, efficient relays.

Authorized Distributors
Source:DigiKey
Part No:A21CSQ6VDC1.6D
Stock:37
Inv Date:05-30-2026
Price: Unit price: $3.15
Buy/RFQ:

CIT Relay and Switch A21CSQ6VDC16D Automotive Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Sealing: Sealed (C option available)
  • Contact Arrangement: SPDT
  • Maximum Switching Power: 630W
  • Maximum Switching Voltage: 75VDC
  • Contact Resistance: <30 milliohms
  • Contact Material: AgSnO2
  • Electrical Life: 100K cycles
  • Mechanical Life: 10 million cycles
  • Operating Temperature: -40°C to +125°C
  • Coil Voltage: 6 VDC
  • Coil Resistance: 7.8Ω
  • Coil Power: 1.6W
  • Pick Up Voltage: 22.5 VDC
  • Release Voltage: 19 VDC
  • Insulation Resistance: 100MΩ min. @ 500VDC
  • Dielectric Strength: 750V rms coil to contact
  • Shock Resistance: 147 m/s²
  • Vibration Resistance: 1.5mm double amplitude, 10–40Hz
  • Weight: 31g

Buy the Buy Generic Automotive Relay Part Number A21CSQ6VDC16D Online

Purchase the reliable automotive relay online and ensure your vehicle or industrial system benefits from durable, sealed, high-current switching capabilities. With a compact design, 40A switching capacity, and diode suppression, this relay offers excellent performance in automotive and industrial environments. Its quick-connect terminals simplify installation, while the sealed construction guarantees protection against dust and moisture. Invest in a high-quality relay today to ensure reliable operation and long-lasting performance in demanding applications.

Order your Generic SeriesA21CSQ6VDC16D automotive relay today and enjoy reliable switching performance for automotive and control applications.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21CSQ6VDC16D?

You can click on the BUY or RFQ button to purchase A21CSQ6VDC16D from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21CSQ6VDC16D?

You can download the A21CSQ6VDC16D datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21CSQ6VDC16D?

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