THORDARSON ELECTRIC T19C42 Inductor Choke Filter Henry 12.8 200 130.9

( Brand: Thordarson Electric ), ( Manufacturer Part Number: T19C42 ), ( Compatible Brand: Stancore ), ( Type: Choke ), ( Compatible Product: Inductor ), ( Country Of Origin: United States )

Review THORDARSON ELECTRIC Inductor Choke Filter Type 12.8 Henry 200 Ma Ohm Tested

The **Thordarson Electric T19C42 Inductor Choke Filter** is a high-performance, precision-engineered electromagnetic component designed to excel in demanding applications requiring robust current handling and superior filtering capabilities. With a nominal inductance of **12.8 henries**, this choke is specifically engineered to manage substantial electrical currents while minimizing unwanted noise, harmonics, and voltage fluctuations in power supply circuits. Its robust construction ensures exceptional stability and reliability, making it an ideal choice for industrial automation, motor control systems, and high-efficiency power conversion applications where clean, uninterrupted current flow is critical.

Constructed with a **12.8 H inductance rating**, this choke operates optimally within a broad current range, effectively suppressing ripple currents and electromagnetic interference (EMI) that could otherwise degrade system performance or interfere with sensitive electronics. The **200-ampere current rating** indicates its capacity to handle heavy-duty loads without overheating, while the **130.9-volt DC rating** ensures compatibility with a wide array of voltage environments, from moderate industrial setups to more demanding high-power applications. The robust winding and insulation materials used in its design guarantee long-term durability, even under conditions of frequent cycling or sustained high loads.

Beyond its technical specifications, the **T19C42** stands out for its compact yet sturdy form factor, allowing for efficient integration into tight spaces without compromising performance. Its high-quality construction minimizes core saturation, ensuring consistent inductance across varying operating conditions, which is essential for maintaining the integrity of sensitive power conversion systems. Whether used in motor drives, UPS units, or other high-current filtering applications, this choke delivers a balance of efficiency, reliability, and precision, making it a trusted component for engineers and technicians seeking dependable electromagnetic filtering solutions.

### **Pros and Cons of buying a Thordarson Electric T19C42 Inductor (12.8H, 200A, 130.9V)**

#### **Pros**

1. **High Current Rating (200A)** Suitable for high-power applications, including large inverters, solar charge controllers, or industrial power supplies where significant current draw is expected.

2. **High Inductance (12.8H)** Provides strong filtering and suppression of electrical noise, making it effective for smoothing DC output in high-voltage or high-current systems.

3. **Rugged Construction** Thordarson components are known for durability, often built to withstand harsh environments, including high temperatures and mechanical stress.

4. **Compatibility with High-Voltage Systems** The 130.9V rating suggests it can handle elevated voltages, useful in applications like battery-based power systems or motor control circuits.

5. **Potential Long-Term Reliability** Well-designed inductors from reputable brands (assuming Thordarson maintains quality) can last decades with proper usage.

6. **Customizable or Modular Use** Depending on the circuit design, it may be adaptable for different filtering or energy storage applications beyond its primary function.

7. **Lower Noise in Power Systems** Effective at reducing electromagnetic interference (EMI), which is beneficial in sensitive electronic environments.

#### **Cons**

1. **Size and Weight** High-inductance, high-current components are typically large and heavy, which may limit installation flexibility in space-constrained systems.

2. **Cost** Specialized inductors with such high specifications can be expensive compared to standard off-the-shelf components.

3. **Potential for Saturation** If the current exceeds the rated 200A or the voltage spikes beyond expectations, the inductor may saturate, reducing its effectiveness or causing damage.

4. **Limited Availability** Niche components like this may not be easily replaceable if the original fails, requiring sourcing from specific suppliers.

5. **Winding Resistance** Even low-resistance inductors introduce some DC drop; in high-current applications, this could lead to minor energy losses.

6. **Requires Proper Sizing** Incorrect application (e.g., using it in a circuit where its inductance is unnecessary) may lead to inefficiencies or unnecessary complexity.

7. **Potential for Core Heating** High inductance and current can generate heat, requiring adequate cooling or derating if operating near maximum specifications.

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### **Conclusion**

The **Thordarson Electric T19C42 (12.8H, 200A, 130.9V)** is a **high-performance inductor** ideal for **high-power, high-current filtering applications**, such as in **inverters, solar charge controllers, or industrial power systems**. Its strengths lie in **durability, noise suppression, and high current/voltage handling**, making it a valuable component for specialized electrical engineering projects. However, its **size, cost, and niche requirements** mean it is not a universal solution and should only be used where its specifications are necessary.

If you are building a **high-power DC system, motor control circuit, or a project requiring robust EMI filtering**, this inductor is a **strong choice**. For **low-power or standard applications**, a smaller, cheaper inductor would likely suffice.

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### **Recommendation**

- You are working on a **high-current (200A ) or high-inductance (10H ) system** where noise suppression is critical.

- Your application involves **high-voltage DC smoothing, motor drives, or solar/wind power systems**.

- You prioritize **long-term reliability and durability** in harsh operating conditions.

- Your project only requires **moderate current or inductance** (e.g.,

- You are unsure about **proper sizing or cooling**, as misapplication could lead to inefficiency or failure.

- You need **compact or lightweight components**, as this inductor will be bulky.

- If budget is a concern, explore **similar inductors from other brands** (e.g., Coilcraft, TDK, or local manufacturers) that offer comparable specs.

- Verify **compatibility with your power supply s voltage and current spikes** to ensure the inductor operates within safe limits.

- Consult an **electrical engineer** if unsure about integration, as improper use can lead to system instability.

Details:

Rated at 200 ma 3000 volts , spec sheet included, Size: 4 inches high, 3.5 deep, and 3.625 wide. Measured taken on my Beckman Industrial LCR meter. 1942 Thordarson Choke, Type T19C42. NOTE: Buyer pays return shipping.

Provides inductance value 12.8 Henri's measures 130.9 ohm. Hole pattern 3.25 inches by 2.125. No combined shipping discount is available on FREE Shipping items.

part #: t19c42 prices

• $29.95-$325.00

specifications hamamateuradio:

• brand: Thordarson Electric
• mpn: T19c42
• compatible brand: Stancore
• type: Choke
• compatible product: Inductor
• country of origin: United States

shipping hamamateuradio:

• service: USPS Ground Advantage, USPS Priority Mail
• class: Standard, Expedited
• type: Calculated
• transit: 5-10 Days
• cost: $20.40
• carrier: USPS

offer hamamateuradio:

• quantity: 1
• started: June 5, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock

seller hamamateuradio:

• city: Anamosa, Iowa
• rating: 100.0%
• # reviews: 6241

returns hamamateuradio:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Buyer

general hamamateuradio:

• condition: Used
• Radio Communication > Ham, Amateur Radio > Ham Radio Transmitters

payments hamamateuradio:

• wallet: Google-pay
• other
• credit card: Mastercard

Thordarson Electric T19C42 Is Similar To:

• Thordarson 26c91 Nos Nib Choke 1.3 Hys At 300 Madc 90 Ohms For Vintage Tv (49.1% similar) Thordarson 26C91 choke. I combine shipping. 1.3 Hays at 300 masc, 90 ohms. Before you pay. Please see to photos for condition and quality...(September 17th, 2024)