Electronic Detonators: The Key to Modern Blasting Technology

2025-09-21

Electronic detonators represent a revolution in the civil explosive industry, offering unparalleled delay accuracy, flexible initiation network design, and full lifecycle safety control—from production and transportation to storage and blasting operations. As the industry shifts toward serialization, standardization, and intelligent blasting systems, reliable electronic components are essential to meet these advanced demands.

Why Tantalum Capacitors Are Critical

At the heart of every high-performance electronic detonator lies a high-quality capacitor that ensures stable energy storage and precise ignition. Our CA45 68µF 20V tantalum capacitors are engineered to meet the rigorous requirements of modern detonator systems, providing:
✔ Ultra-Precise Timing – Ensures microsecond-level delay accuracy for controlled blasting.
✔ Enhanced Safety – Stable performance minimizes risks of misfires or accidental detonation.
✔ Robust Durability – Resists shock, vibration, and extreme temperatures in mining/defense applications.

Industry Trends & Challenges: How Our Capacitors Deliver Solutions

Recent studies highlight the rapid evolution of electronic detonator technology, focusing on:

**1. Intelligent Initiation & Large-Scale Networks

50. Trend: Detonators are advancing toward AI-driven blasting systems and large-scale networked initiation.
50. Solution: Our CA45 capacitors offer low ESR and high ripple current tolerance, ensuring reliable performance in complex, high-density circuits.

**2. Short-Delay Blasting Theory

50. Trend: Demand for microsecond-level delay precision is growing for optimized rock fragmentation.
50. Solution: With 68µF capacitance and ultra-stable charge retention, our capacitors enable exact energy release for ultra-precise timing.

**3. Overcoming Misfires & Standardization Gaps

50. Challenge: Misfires and inconsistent performance remain key industry hurdles.
50. Solution: Mil-grade tantalum construction reduces leakage current, preventing energy loss that leads to misfires.

CA45 68µF 20V: Engineered for Next-Gen Detonators

Our capacitors are designed to address the technological and application challenges outlined in industry studies, including:
 Frequent Misfires → High reliability minimizes failure rates.
 Limited Product Types → Customizable solutions for varied detonator designs.
 Defective Standards → Compliant with RoHs and Reach, MIL-PRF-55365 (on request).

Key Features for Electronic Detonators:

50. Voltage Rating: 20V (safety margin for stable operation)
50. High-Temp Stability: Performs in -55°C to +125°C ranges.
51.  

The Path Forward: Smart Detonators Need Smarter Components

As the industry pushes toward:

50. Precision delay-controlled blasting theories
50. IT-integrated intelligent initiation
50. Expanded product series and global standards

…the CA45 series ensures your detonators meet these demands with cutting-edge performance and safety.

 

Partner with a Trusted Capacitor Supplier

We specialize in high-reliability tantalum capacitors for critical applications, offering:
✅ Conflict-free tantalum sourcing (Ethical supply chain).
✅ Customization for detonator series (Tailored capacitance/voltage options).
✅ Rigorous QC & compliance (Supporting industry standardization efforts).

 

Hongda Capacitors: Precision Components for Electronic Detonator Systems

Ensure the reliability, safety, and performance of your blasting operations with Hongda's specialized components for electronic detonators. Engineered for the demanding conditions of mining and construction, our products deliver stable power, secure connections, and unwavering durability.

 

Our Core Components for Reliable Detonation:

 

1. Energy Storage & Discharge: High-Performance Capacitors

The capacitor is the heart of the detonator, responsible for storing electrical energy and releasing it instantaneously to initiate the explosive charge. Hongda offers two superior types tailored for this critical task:

Radial Capacitors: Provide extremely stable capacitance across a wide temperature range (-40°C to 85°C), guaranteeing reliable activation in harsh environments.

Tantalum Capaculators: Feature low ESR (Equivalent Series Resistance) to minimize energy loss, enabling rapid and efficient power delivery for precise timing.

 

2. The Critical Initiation Link: Bridge Wires

Acting as the essential conduit between the capacitor's stored energy and the explosive charge, our bridge wires are coated with a advanced, corrosion-resistant material. This ensures consistent performance and ignition even in challenging humid, dusty, or chemically aggressive environments.

 

3. Secure & Robust Connectivity: Riveted Terminals

These key interconnect parts form the vital link between the internal electronic modules and the external leads. Our riveted terminals are engineered for superior mechanical strength and electrical conductivity, enabling flawless signal transmission and system integrity.

 

4. System Integration & Control

Control Module: The intelligent command center of the detonator, ensuring accurate timing and sequenced initiation.

Junction Box & Wiring: For large-scale operations requiring hundreds of detonators, our junction boxes and reliable wiring provide a secure and organized connection network to the central blast controller.

 

Engineered for Your Application:

Hongda Capacitors provides the essential building blocks for electronic detonator systems where performance cannot be compromised. Trust our components for stability, durability, and the smooth operation of your most critical mining and construction projects.

 

Hongda Capacitors’ advantage

We start manufacturing since 1999, the ISO9001 qualified factory in China, Perfectly replace: AVX Kemet Vishay Panasonic, etc.

https://www.hongdacap.com.hk/pdf/Cross_Reference_for_Tantalum_Capacitors.pdf

Offering various series, pls find below: 

1.Radial Epoxy Dipped Tantalum Capacitor, CA42 Series,

https://www.hongdacap.com.hk/pdf/CA42_Dipped_Tantalum_Cap.pdf

Operating Temperature Range: -55°C ~ +125°C; >85°C(with rated voltage derating);

DC Leakage at 25°C: I o 0.02CR UR or 1uA (whichever is greater)

Capacitance Range: 0.68uF~1000uF

Voltage Range: 6.3V, 10V, 16V, 25V, 35V, 50V

Capacitance Tolerance: K: +/-10%; M: +/-20% (+/-20% tolerance is standard) Package Type: Bulk Package, Ammo Taped in Box 

 

2.Standard Tantalum capacitor, CA45 series,

https://www.hongdacap.com.hk/pdf/CA45_Chip_Tantalum_Capacitor.pdf

Operating Temperature Range: -55°C ~ +125°C; >85°C(with rated voltage derating);

DC Leakage at 25°C: I 0.01CR UR or 0 .5uA (Choose the greater one)

Capacitance Range: 0.68uF~2200uF

Voltage Range: 2.5V, 4V, 6.3V, 10V, 16V, 20V, 25V, 35V, 50V

Fast delivery, 2weeks for regular items. 

 

3.Low ESR Chip Tantalum Capacitors, CA45L Series,

https://www.hongdacap.com.hk/pdf/CA45L_Low_ESR_Chip_Tantalum_Capacitors.pdf

Operating Temperature Range: -55°C ~ +125°C; >85°C(with rated voltage derating);

DC Leakage at 25°C: I 0.01CR UR or 0 .5uA (Choose the greater one)

Capacitance Range: 0.68uF~1000uF

Voltage Range: 4V, 6.3V, 10V, 16V, 20V, 25V, 35V, 50V

Capacitance Tolerance: K: +/-10%; M: +/-20% (+/-20% tolerance is standard)

SPQ: A,B case: 2000pcs/reel; C,D case: 500pcs/reel; E case: 400pcs/reel

How to order, please refer to Part Number System 

 

4.Polymer Tantalum Capacitors, CA55 Series

https://www.hongdacap.com.hk/pdf/CA55_Polymer_Tantalum_Capacitors.pdf

Conductive polymer electrode reduces ignition failure mode

Lower ESR

Stable capacitance across temperature and voltage

High ripple handling

Volumetrically efficient

No aging effects

High frequency capacitance retention

CV range: 0.68-1000uF / 2.5-50V

7 case sizes available

Mil Parts Qualified Factory

RoHS and REACH compliance 

 

5.Mil Polymer Tantalum Capacitors, CAK55 Series,

Resin molding package, good sealing, chip type, small size, light weight, polarity.

Excellent stable electrical properties, high reliability and good storage stability.

Conductive polymer electrolyte, ultra-low ESR (equivalent series resistance),

high frequency capacity retention and resistance to large ripple current.

No combustion failure mode

Execution standard: GJB2283-95, QJ/PWV501-2011

Terminal：Base Metallization - Metal Shield - Tin (Sn/Lead alloy with at least 3% lead) 

 

6.GJB Chip Type Solid Electrolyte Tantalum Capacitors, CAK45 Series,

Operating temperature range: -55℃~+125℃,

Capacitance tolerance: K level: ±10%; M level: ±20%;

Resin molded packaging, good sealing, chip type, polarized;

Small size, light weight, excellent and stable electrical properties, long life, high reliability and good storage stability;

It has passed the national mil standard certification and is suitable for surface mount circuits of mil electronic equipment with high reliability requirements such as aviation, satellites, missiles, radars, and communications.

Implementation standard: GJB2283-95

Upgrade your electronic detonators with CA45 68µF 20V Case D capacitors—engineered for precision, durability, and safety.

Contact us today to discuss your project needs or request samples!

 

For more details, pls contact: smile@hongdacap.com.hk

Mob: +86 180 2905 5827 (WhatsApp/WeChat/Skype)