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CIT Relay and Switch J1021CS39VDC45 Industrial Power Relay

This 9 V DC relay with SPDT contact configuration is ideal for PCB mounting in high-density applications. It features a 0.45 W coil power, 3 A contact rating, and sealed construction for durability. Suitable for switching up to 150 W at 300 VAC or 30 VDC, it offers high sensitivity, low coil power consumption, and a robust design supporting 100K electrical cycles. Its compact dimensions of 15.5 x 10.5 x 11.25 mm make it suitable for industrial automation, control panels, and relay modules requiring reliable performance and long mechanical lifespan.

Authorized Distributors
Source:DigiKey
Part No:J1021CS39VDC.45
Stock:0
Inv Date:05-30-2026
Price: Unit price: $0.64072
Buy/RFQ:

CIT Relay and Switch J1021CS39VDC45 Industrial Power Relay Specifications:

  • Dimensions: 15.5 x 10.5 x 11.25 mm
  • Coil Voltage: 9 VDC
  • Coil Resistance: 75% of rated voltage
  • Coil Power: 0.45 W
  • Contact Arrangement: SPDT
  • Contact Resistance: < 50 milliohms
  • Maximum Switching Power: 150 W
  • Switching Voltage: 300 VAC, 150 VDC
  • Switching Current: 5A
  • Electrical Life: 100,000 cycles
  • Mechanical Life: 10 million cycles
  • Insulation Resistance: 100 MΩ at 500 VDC
  • Dielectric Strength: 1250 V rms
  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +155°C
  • Solderability: 260°C for 5 seconds
  • Weight: 3.59 grams
  • Sealing: Sealed for durability
  • Shock Resistance: 100 m/s² for 11 ms
  • Vibration Resistance: 1.50 mm double amplitude, 10–40 Hz

Buy the Citrelay Series J102 SPDT Relay: J1021CS39VDC45

Experience the dependable performance of the Citrelay J102 series power relay, suitable for automation, control panels, and relay modules. This sealed relay with SPDT contacts, 3 A switching capacity, and a 9 V coil provides high sensitivity, low power consumption, and extended mechanical lifespan. Its compact size of 15.5 x 10.5 x 11.25 mm makes installation easy in space-constrained environments. Trust this relay for reliable switching, durability, and long-lasting operation in various industrial applications. Order online now to enhance your systems with quality relays.

Order your Citrelay Series J102 SPDT Relay with 9 VDC coil today and ensure reliable switching for your industrial automation and control projects.

Frequently Asked Questions

Where can I buy CIT Relay and Switch J1021CS39VDC45?

You can click on the BUY or RFQ button to purchase J1021CS39VDC45 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part J1021CS39VDC45?

You can download the J1021CS39VDC45 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of J1021CS39VDC45?

CIT Relay and Switch

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