Di-Acro

ZERO-ZONE Hiend 100VA 19V 4.2A Low Noise LPS Linear Power Supply DC PSU

Description: Finished 100VA 19V 4.2A Low Noise LPS Linear Power Supply with toroid transformer Input voltage: AC 115V or 230V (for choose) Output voltage: DC19V 4.2A Front panel: Black ( can provide silver) display color: blue ( can provide Red or Green) power switch LED color: blue (can provide Red or Green) Dimensions: 210mm Width X 70mm high X 257mm deep Transformer : 100VA OFC Toroid transformer Weight: about 4.5kg DC Head Size: Outer diameter 5.5mm, internal diameter 2.1mm ( if you need other Size DC head, Please contact us) Power Polarity: inner"+" external"-" Package include: Finished linear Power supply X 1 1.2M Teflon silver wire output DC cable X 1 (5.5*2.1mm) Default is not include the AC input cable. --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- we have following several kinds voltage for choose. Output voltage / current 1、5V@6A 2、9V@6A 3、12V@6A 4、15V@5.3A 5、18V@4.4A 6、19V@4.2A 7、24V@3.3A if you need other voltage, we can accept custom-make. ------------------------------------------------------------------------------------------------------------------------------------ Technical highlights All-discrete topology. Single-pass, series regulator design. No IC (integrated circuits) are used. This allows complete design control over all operating points and parameters for superior performance. Low noise, high PSRR A constant-current source feeds a zener diode as a stable voltage reference. A low-pass filter (with a corner frequency of 1.6Hz) prevents zener noise from being introduced into the error amplifier. This is an effective yet lower-cost alternative to expensive voltage reference ICs. The low-pass filter also provides a soft-start characteristic. The output noise (unloaded) is less than 13µV at 24VDC output (measured using a Tangent LNMP (low-noise measurement preamplifier) and a Fluke 187 50000-count DMM in ACmV mode). The output noise is even less when the output voltage is lower. This is much better than the noise of an IC regulator based PSU tested under identical conditions. The error amplifier is a discrete implementation of an opamp with a high open-loop gain of 102.5dB. The voltage supply to the error amplifier is isolated with capacitance multipliers to boost its PSRR (power supply rejection ratio). This greatly improves the line regulation performance of the PSU. A long-tailed pair differential amplifier with current mirror and constant current source forms the first stage of the error amplifier. The second stage is the voltage amplification stage (VAS), also with constant current source load. The 3rd stage is comprised of the power MOSFET output devices configured as a source follower. High-current MOSFET pass transistors Two paralleled high-current, highly reliable MOSFETs (rated at 18A each) serve as the "pass" transistor. The high current rating provides a very high safety headroom against overcurrent damage. The use of paralleled MOSFETs divides the heat dissipation, simplifying thermal management. Onboard heatsinks can be used which would allow the this PSU to supply up to 1A continuous (with much higher peak currents). More sustained currents are possible by using larger, offboard heatsinks. The negative temperature coefficient of MOSFETs prevents damaging thermal-runaway conditions that may plague conventional BJT devices. No current-limiting. Shipping time: Default send by airmail,about 8-14 business days can arrive most of europe countries, Russia, Brazil,Africa.Ukraine and some other remote countries will need some more days. Payment: We ONLY accept PayPal. Payment must be made within 3 days of the auction end time. Non-Paying bidders will be reported. All items will be shipped within 1-3 business days (from china)upon receipt of payment. We ONLY send item to buyer's registered Paypal address,Buyer must be responsible for their postal address Customs & duties:For cross-border transactions,.we are not responsible for tariffs and duties. However, buyers may be responsible for actual, applicable tariffs, and duties as requested by respective country laws Return & Exchange: >> Some items return is accepted within 7 days after the buyer's receiving the item.(please see the detail describe)[In case of DOA (Dead on Arrival), please report within 3 days] >> Returned item has to be new, unworn and in its original condition. >> After getting the returned item, we will refund the customer at the item's price ( excluding the shipping costs to and from )

Price: 130 USD

Location: FOSHAN

End Time: 2024-08-29T11:01:13.000Z

Shipping Cost: 80 USD

Product Images

ZERO-ZONE Hiend 100VA 19V 4.2A Low Noise LPS Linear Power Supply DC PSUZERO-ZONE Hiend 100VA 19V 4.2A Low Noise LPS Linear Power Supply DC PSUZERO-ZONE Hiend 100VA 19V 4.2A Low Noise LPS Linear Power Supply DC PSUZERO-ZONE Hiend 100VA 19V 4.2A Low Noise LPS Linear Power Supply DC PSUZERO-ZONE Hiend 100VA 19V 4.2A Low Noise LPS Linear Power Supply DC PSUZERO-ZONE Hiend 100VA 19V 4.2A Low Noise LPS Linear Power Supply DC PSU

Item Specifics

Return shipping will be paid by: Buyer

All returns accepted: Returns Accepted

Item must be returned within: 30 Days

Refund will be given as: Money Back

Return policy details:

Compatible Brand: Universal

Non-Domestic Product: No

Brand: ZERO-ZONE

Type: Circuit board

Custom Bundle: No

Model: Universal

MPN: Does not apply

Country/Region of Manufacture: China

Modified Item: No

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