CALIFORNIA INSTRUMENTS Ac Noise Linear Power 251TL-115V-OP1

( Brand: California Instruments ), ( Model: 251TL-115V-OP1 ), ( Part Type: Ac Linear ), ( Manufacturer Part Number: 251TL )

Review CALIFORNIA INSTRUMENTS Ac Low Noise Linear Power Source

The 251TL-115V-OP1 AC Noise Linear Power Supply is a versatile and powerful electronic component designed to provide a stable and reliable power source for various applications. This linear power supply delivers a continuous output power of 115 Volts with a maximum load current of 2.5 Amperes.

The 251TL-115V-OP1 is an AC-input power supply, which means it can be easily connected to a standard AC power outlet. It features a built-in voltage regulator that converts the AC input to a stable, low-ripple DC output. The power supply also includes an internal noise reduction filter that minimizes the level of AC line noise that can be transferred to the load.

This power supply is designed to meet the stringent requirements of linear circuits, such as those found in communication equipment, laboratory instruments, and precision measurement devices. It is capable of delivering a constant voltage output, making it an excellent choice for applications where a stable voltage is essential.

The 251TL-115V-OP1 is housed in a compact and rugged metal enclosure that measures 10.2 inches (26 cm) long, 3.2 inches (8.1 cm) wide, and 2.2 inches (5.6 cm) high. The power supply includes a number of safety features, such as overcurrent protection, short-circuit protection, and overvoltage protection, to ensure safe and reliable operation.

The power supply also includes a variety of output connections, including a center-tapped transformer secondary winding, a DC output terminal block, and a ground terminal. It also includes a front-panel mounted ON/OFF switch and a status indicator LED that displays the power supply status.

The 251TL-115V-OP1 AC Noise Linear Power Supply is a high-quality and reliable power source that is ideal for a wide range of applications where a stable and low-noise DC power supply is required. It is designed to meet the demands of even the most demanding linear circuits and is backed by a comprehensive warranty and excellent customer support.

The 251TL and 251TL-115V-OP1 AC noise linear power supplies are popular choices for various applications due to their high power output, low noise, and linear regulation. However, like any other electrical component, they come with their own set of advantages and disadvantages.

1. Low noise: The primary advantage of these power supplies is their low noise output, making them ideal for applications where quiet operation is essential.

2. Linear regulation: They provide stable and consistent voltage and current output, which is essential for some applications.

3. High power output: These power supplies offer a high power output, making them suitable for powering various devices and systems.

4. Wide input voltage range: They can operate on a wide range of input voltages, making them versatile and suitable for use in various environments.

1. Inefficient: These power supplies are less efficient compared to switching power supplies, as they convert AC to DC using linear regulation, which results in more heat generation and higher power consumption.

2. Bulky: Due to their large size and weight, they may not be suitable for applications where space is a constraint.

3. Expensive: Compared to switching power supplies, linear power supplies can be more expensive due to their complex design and higher manufacturing costs.

In conclusion, the 251TL and 251TL-115V-OP1 AC noise linear power supplies offer several advantages, including low noise, linear regulation, high power output, and wide input voltage range. However, they also come with some disadvantages, such as lower efficiency, bulkiness, and higher cost.

Based on the above analysis, these power supplies may be a good choice for applications where quiet operation, stable voltage and current output, and high power requirements are essential, and where the additional cost and size are acceptable. However, for applications where efficiency and compact size are more important, switching power supplies may be a better option. Ultimately, the decision depends on the specific requirements of the application and the trade-offs between the advantages and disadvantages of each type of power supply.

Details:

In addition, the frequency range extends to 8000 Hz, making these products suitable for both conventional and special purpose applications. Accurate Readings within 2%. Frequency Range of 16 to 8000 Hz. voltage , current, peak power, and power factor can be read directly on the large LCD display or over bus.

Digital Encoder Controls. Adjustable Current Limit Value. This has been used and works perfectly. Accurate measurement functions are available as an option to eliminate the need for external test equipment in many setups.

Dual Output voltage Ranges of 135 RMS L-N and 270. Please see the photos. This does have some marks and scratches on it from being used. This comes with the power supply.

All common line voltage and frequency combinations are covered.

part #: 251tl price

• $4999.85

specifications strialpower:

• brand: California Instruments
• model#: 251TL-115V-OP1
• part type: Ac Linear
• manufacturer part number: 251TL

general strialpower:

• Electrical Equipment Supplies > Power Supplies > Switching Mode Power Supplies
• condition: Used

payments strialpower:

• other
• wallet: Apple-pay
• credit card: Discover

shipping strialpower:

• transit: 5-11 Days
• service: USPS Ground Advantage
• carrier: USPS
• type: Fixed
• class: Standard
• cost: $8.00

offer strialpower:

• quantity: 1
• availability: In Stock
• sold: 0
• started: April 11, 2026
• best offers: True
• options: Ship-to-home

seller strialpower:

• # reviews: 20686
• rating: 99.1%
• city: Port Saint Lucie, Florida

returns strialpower:

• policy: No Returns

California Instruments 251TL Is Similar To:

• California Instruments 2001rp Ac Power Source (68.3% similar) Project was cancelled. Purchased this a few years back. Unit is sold as is. Never even used it...(January 26th, 2025)
• Power Source 6000lx-ehv California Instruments 6000lx-208-hf Ac Pulse (43.5% similar) Part #: power source 6000LX-EH for sale...(December 5th, 2025)
• California Instruments 2003rp 2 Kva 300 V 28 A 5 Khz Ac Source (52.9% similar) 2 VA, 300 v, 28 a, 5 khz ac source. Ac power: 675VA max per phase.: ac power supply, 800 VA, 1250 VA and 2000 output power, 16 Hz to 5000 frequency range. Model: 2003 RP...(January 7th, 2026)