SRF1280-820M

Current Saturation - Series:	2.03A
Height:	0.315" (8.00mm)
Size / Dimension:	0.492" L x 0.492" W (12.50mm x 12.50mm)
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Shielding:	Shielded
DC Resistance (DCR) - Series:	578 mOhm Max
DC Resistance (DCR) - Parallel:	153 mOhm Max
Series:	SRF1280
Current Saturation - Parallel:	4.06A
Current Rating - Series:	1.04A
Current Rating - Parallel:	2.09A
Tolerance:	±20%
Inductance - Connected In Series:	328µH
Inductance - Connected In Parallel:	82µH
Number of Coils:	2
Part Status:	Active
Packaging:	Tape & Reel (TR)

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SRF1280-820M application field and working principleThe SRF1280-820M signal transformer is used in a variety of power, signal and RF applications to optimize the output levels, linearity, electrical performance characteristics and efficiency of power amplifiers. It can be used to improve frequency response and impedance matching. It is also employed in linear amplifying systems, analog signal level shifting, gain and phase control, and frequency expansion applications.This signal transformer consists of a toroidal core, a pair of primary winding, and a secondary winding wound around the core. It is primarily designed for use in power amplifier applications where there is a need to balance the power level across a wide range of frequencies. The number of turns in the primary and secondary windings, in combination with the core material, controls the effective gain of the transformer. The design of the transformer optimizes the impedance for both the input and output signals, allowing for a better signal to noise ratio.The frequency response of the SRF1280-820M signal transformer is wide enough to handle a wide variety of applications. The input impedance is generally specified to be 50 ohms, and the output impedance is typically 75 ohms. The transformer is also capable of providing DC balancing, improved linearity, as well as broad frequency and power capabilities. Additionally, the transformer is designed to reduce factors such as broadband noise and intermodulation distortion.The SRF1280-820M signal transformer is designed to operate at a relatively high efficiency level. This means that it is capable of handling high power levels without making sacrifices in terms of accuracy or linearity. It is also designed to be extremely robust and tolerant of environmental conditions, making it suitable for many outdoor and industrial applications.In terms of working principle, the signal transformer works to transfer energy from one electrical system to another, while maintaining the integrity of the signal. This is achieved by using the primary winding to generate an electromagnetic field. This field is then used to induce a current in the secondary winding, which can then be used to generate a voltage across the secondary winding. This voltage can then be used to generate a new signal or transfer energy to another system.The SRF1280-820M signal transformer can be used in a variety of applications, ranging from high-power amplifying systems to frequency shifting, signal shifting, and even frequency response enhancements. It can be used to increase the efficiency of power amplifiers, improve the linearity of analog signals, reduce noise and intermodulation distortion, and reduce the size and weight of power amplifiers. It is also used in linear amplifying systems, signal level shifting applications, and phase and gain control applications.

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