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Littelfuse TDU3001A delay-on-make timer

The TDU3001A Series is a high-precision encapsulated solid-state delay-on-make timer designed for process control and OEM applications. Featuring universal voltage operation (100-240VAC/DC), it offers adjustable timing ranging from 1 to 1023 seconds with DIP switch settings for accurate calibration. The microcontroller-based design ensures repeat accuracy within +/- 0.5% or 20ms, providing sustained reliability without moving parts. Its robust, encapsulated construction protects against shock, vibration, and humidity, making it ideal for industrial automation, control systems, and machinery requiring precise timing control.

Authorized Distributors
Source:Newark
Part No:TDU3001A
Stock:5
Inv Date:05-28-2026
Price: Unit price: $81.35
Buy/RFQ:
Source:DigiKey
Part No:TDU3001A
Stock:8
Inv Date:05-28-2026
Price: Unit price: $78.98
Buy/RFQ:
Part No:TDU3001A
Stock:39
Inv Date:05-29-2026
Price: Unit price: $78.48
Buy/RFQ:
Part No:TDU3001A
Stock:5
Inv Date:05-28-2026
Price: Unit price: $80.56
Buy/RFQ:
Part No:TDU3001A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $65.1
Buy/RFQ:
Part No:TDU3001A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $65.1
Buy/RFQ:

Littelfuse TDU3001A delay-on-make timer Specifications:

  • Type: Digital integrated circuitry
  • Time Range: 1-1023 seconds (1s increments), adjustable via DIP switch
  • Repeat Accuracy: ± 0.5% or 20ms, whichever is greater
  • Input Voltage: 100 to 240VAC/DC
  • Output: Solid state, NO, open during timing
  • Maximum Load Current: 1A steady state, 10A inrush at 60°C
  • Time Delay vs Temperature & Voltage: ±25%
  • Recycle Time: Less than 150ms
  • Dielectric Breakdown: 2000V RMS
  • Insulation Resistance: 100 MΩ minimum
  • Dimensions: Height 50.8 mm, Width 50.8 mm, Depth 30.7 mm
  • Termination: 0.25 in. male quick connect terminals
  • Operating Temperature: -40°C to 60°C
  • Storage Temperature: -40°C to 85°C
  • Humidity: Up to 95% non-condensing
  • Weight: 68 g

Buy the Littelfuse Series TDU3001A Delay-on-Make Timer: 100-240VAC

Purchase the Littelfuse Series TDU3001A delay-on-make timer online today and elevate your automation projects. Featuring universal voltage, adjustable timing from 1 to 1023 seconds, and encapsulated solid-state design, it ensures long-term reliability without moving parts. Ideal for process control and OEM applications, this timer offers repeat accuracy within ±0.5% and minimal recycle time under 150ms. With easy quick connect terminals and robust construction, it’s the perfect solution for precise, durable timing control in industrial environments.

Order your Littelfuse Series TDU3001A delay-on-make timer today and ensure precise control with reliable solid-state performance for industrial automation.

Frequently Asked Questions

Where can I buy Littelfuse TDU3001A?

You can click on the BUY or RFQ button to purchase TDU3001A from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part TDU3001A?

You can download the TDU3001A datasheet or visit the Littelfuse website for support.

Who is the manufacturer of TDU3001A?

Littelfuse

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