25W 1.6KV 4:1 Single & Dual Output DC to DC Power Conversion / Over 32 Years Power Supply & Magnetic Components Manufacturer | YUAN DEAN SCIENTIFIC CO., LTD.

25W 1.6KV Isolation 4:1 DIP DC-DC Converters / YDS was established in 1990 at Tainan, Taiwan and our factory Ho Mao electronics was established in 1995 at Xiamen, China. We are the leading electronic manufacturer with ISO 9001, ISO 14001 and IATF16949 certified.

25W 1.6KV Isolation 4:1 DIP24 DC-DC Converters - 25W 1.6KV Isolation 4:1 DIP DC-DC Converters
  • 25W 1.6KV Isolation 4:1 DIP24 DC-DC Converters - 25W 1.6KV Isolation 4:1 DIP DC-DC Converters

25W 1.6KV Isolation 4:1 DIP24 DC-DC Converters

YKB25 Series

25W 1.6KV 4:1 Single & Dual Output DC to DC Power Conversion

4:1wide input voltage range 25 watt DC to DC power converter with 24 pin DIL package. The operating environment temperature is from -40°C to +86°C(with derating). YKB25 series has 1.6KV isolation voltage and single/dual output specifications. This product uses UL94V-0 packaging material. Its efficiency is up to 92%. This product will test by 100% high temperature pre-burn before shipment.

The DC-DC power converter products of Yuan Dean are RoHS-compliant, and can be customized for products. The products are guaranteed for 3 years after sale.

Any OEM/ ODM requirement is welcome. We look forward to cooperating with you!

Features
  • 25W DIL package.
  • 4:1 Wide Input Voltage Range.
  • High Efficiency Up to 92%.
  • Regulated Output Types.
  • No Minimum Load Required.
  • Over Power and Short Circuit Protection.
  • UL94V-0 package material.
  • Operating Temperature: -40°C to +86°C(with derating).
  • UL94V-0 Package Material.
  • 100% Burned In.
  • UL/cUL/IEC/EN 62368-1 approved, CB-Report, CE Marking.
  • EMC standard of EMI EN55032:2015 approved.
  • EMC standard of EMS EN55035:2017 approved.
  • EMC standard of Canadian ICES-003 issue7(2020) approved.
  • EMC standard of 47CFR FCC Part 15 subpart B approved.
Applications
  • Industry equipment.
  • Sensing equipment.
  • Instruments.
  • Wireless Network.
  • Telecom/Datacom.
  • Measurement.
  • Aviation.
Specifications typical at TA = 25°C, nominal input voltage and rated output current unless otherwise specified
Part NumberInput
Voltage
Range
Input CurrentOutput VoltageOutput CurrentEfficiencyMaximum
Capacitor
Load
No LoadFull Load
VdcmA(TYP)mA(TYP)VdcmA(TYP)%(TYP)μF
YKB25-24S059-367117155000898500
YKB25-24S129-3671171122084891500
YKB25-24S159-3671158151667901000
YKB25-24S249-367115824104290390
YKB25-24D129-3671171± 12± 104289± 820
YKB25-24D159-3671158± 15± 83390± 560
YKB25-48S0518-75457255000918500
YKB25-48S1218-754579122084901500
YKB25-48S1518-754572151667911000
YKB25-48S2418-75456624104292390
YKB25-48D1218-754572± 12± 104291± 820
YKB25-48D1518-754572± 15± 83391± 560
Input Specifications
ParametersConditionsMinTypMaxUnits
Input Voltage24V Models9 36Vdc
48V Models18 75Vdc
Input Surge Voltage
(100 ms max.)
24V Models-0.7 50Vdc
48V Models-0.7 100Vdc
Start-up Voltage24V Models  9Vdc
48V Models  18Vdc
Under Voltage Shutdown24V Models 7.5 Vdc
48V Models 16 Vdc
Start-up TimeConstant Resistive Load, Nominal VinsPower-up 30 ms
Remote ON/OFF 30 ms
Input FilterAll ModelsInternal Pi type
Remote ON/OFF
(Ctrl PIN Refer To –Vin PIN)
Positive LogicDC/DC ONOpen or 3.5 Vdc - 12 Vdc
DC/DC OFFShort or 0 Vdc – 1.2 Vdc
Input Current Of Ctrl PIN-0.5 0.5mA
Remote Off Input Current 3.5 mA
Output Specifications
ParametersConditionsMinTypMaxUnits
Voltage Tolerance100% load-2 +2%
Line RegulationVin(min) to Vin(max) @100% Load-0.2 +0.2%
Load Regulation0% Load to 100% Load5V Output-1 +1%
Other Output-0.5 +0.5%
Load Cross RegulationAsymmetrical Load
25% / 100% Load
Dual Output-5.0 +5.0%
Ripple & Noise
(BW=20MHz)
15Vout & 24Vout  150mVp-p
Other Outputs  100mVp-p
Transient Response Setting Time25% Load Step Change 300500μs
Transient Response Deviation25% Load Step Change-5± 3+5%
Temperature Coefficient -0.02 +0.02%/°C
Output Power Protection% of Io, Hiccup mode,
Auto-recovery
120150180%
Short Circuit ProtectionContinuous [Hiccup Mode] ,Auto-Recovery
Over Voltage Protection5Vout 6.2 Vdc
12Vout 15 Vdc
15Vout 18 Vdc
24Vout 30 Vdc
General Specifications
ParametersConditionsMinTypMaxUnits
Isolation VoltageInput To Output (60sec)1600  Vdc
Input(Output) To Case (60sec)1000  Vdc
Isolation Resistance500Vdc1000  
Isolation Capacitance100kHz, 1V  2200pF
Switching Frequency100% Load,
Nominal Input
5V Output 250 KHz
Other Output 330 KHz
Operating Ambient Temperature
(Power Derating See Derating Graph)
Nominal Vin,
100% Load
YKB25-48S24-40 67.6°C
YKB25-48S05,
YKB25-48S15,
YKB25-48D12,
YKB25-48D15
 62.5°C
YKB25-24S15,
YKB25-24S24,
YKB25-24D15,
YKB25-48S12
 57.2°C
YKB25-24S05,
YKB25-24D12,
YKB25-24S12
 51.8°C
Thermal Impedance20LFM 17.2 °C/W
100LFM 13.9 
200LFM 10.3 
400LFM 6.8 
Maximum Case Temperature   105°C
Storage Temperature -55 125°C
HumidityNon Condensing5 95%
CoolingNatural Convection
Case MaterialCopper
Potting MaterialSilicone (UL94-V0)
MTBFMIL-HDBK-217F@25°C (calculated)4.61X105Hours
Weight 18g
Dimensions31.6 x 20.1 x 10.0mm
Certification
Markings and Dimensions
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Files Download
DC-DC Converter 25W DIP Package YKB25 Series
DC-DC Converter 25W DIP Package YKB25 Series

25W 1.6KV Isolation 4:1 Wide Input Voltages Range DC-DC Converter PDF Catalogue

Download
YKA15/YKB15/YKB20/YKB25 Series CB Certificate File
YKA15/YKB15/YKB20/YKB25 Series CB Certificate File

DIL Package DC-DC Converter CB Certificate File

Download
YKA15/YKB15/YKB20/YKB25 Series UL Certificate File
YKA15/YKB15/YKB20/YKB25 Series UL Certificate File

15~25W DC-DC Converter UL 62368-1 Certificate File

Download
YKA15/YKB15/YKB20/YKB25 Series CE Certificate File
YKA15/YKB15/YKB20/YKB25 Series CE Certificate File

1.6KV Isolation DC-DC Converter CE Certificate File

Download
YKA15/YKB15/YKB20/YKB25 Series 47-CFR FCC Part 15 Certificate File
YKA15/YKB15/YKB20/YKB25 Series 47-CFR FCC Part 15 Certificate File

Regulated Output DC-DC Converter 47-CFR FCC Part 15 Certificate File

Download
YKA15/YKB15/YKB20/YKB25 Series ICES-003 issue7 Certificate File
YKA15/YKB15/YKB20/YKB25 Series ICES-003 issue7 Certificate File

DIP Package DC-DC Converter ICES-003 issue7 Certificate File

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Products

25W 1.6KV Isolation 4:1 DIP24 DC-DC Converters - 25W 1.6KV 4:1 Single & Dual Output DC to DC Power Conversion | Taiwan-Based Power Supply & Magnetic Components Manufacturer | YUAN DEAN SCIENTIFIC CO., LTD.

Based in Taiwan since 1990, YUAN DEAN SCIENTIFIC CO., LTD. has been a power converter, transformer, magnetic components manufacturer in Electronic Components Industry. Their main products, include 25W 1.6KV Isolation 4:1 DIP24 DC-DC Converters, DC-DC Converters, AC-DC Converters, RJ45 Magnetics, Converter Transformers, LAN Filters, High Frequency Transformers, POE Transformers, Inductors and LED drivers, which are RoHS approved with ERP system implemented.

YDS was established in 1990 at Tainan, Taiwan and our factory Ho Mao electronics was established in 1995 at Xiamen, China. We are the leading electronic manufacturer with ISO 9001, ISO 14001 and IATF16949 certified. We Produce various products such as DC/DC converter, AC/DC converter, RJ45 with magnetics, 10/100/1G/2.5G/10G Base-T Lan filter, all kinds of Transformer, Inductor, LED Driver/Lighting products and Power bank. ISO 9001 & ISO 14001, IATF16949 certified power converter, high frequency transformer, magnetic component with reliable EMC and EMI / EMS / EDS lab tests. Power converter solutions for medical, railway, POE, etc.

YDS has been offering customers high-quality power supply and magnetic components, both with advanced technology and 25 years of experience, YDS ensures each customer's demands are met.