We will arrange delivery within 3-5 days after receiving the payment.

Our express delivery: DHL and FedEx.

Quality packing for each product

Destination country all taxes & duty to be paid by buyer

Only part of the brand and model, if you have other product needs, please contact us.

ABB SDCS-PIN-48-SD 3BSE004939R101 Pulse Transformer  

1. Key Parameters

• Product Model: SDCS-PIN-48-SD
• Order Code: 3BSE004939R101
• Product Series: ABB SDCS Series Drive Pulse Transformers (IGBT/Thyristor Gate Drive Isolation)
• Core Function: Transmits high-speed gate drive pulses between control circuits and power devices; provides galvanic isolation between low-voltage control and high-voltage power stages; minimizes pulse distortion for precise switching timing; protects control electronics from high-voltage transients
• Electrical Specifications:

  Parameter	Details	Performance Metrics
  Input Signal	- Voltage: 5V DC ~ 15V DC (pulse amplitude) - Pulse Width: 1μs ~ 100μs (adjustable) - Frequency: 1kHz ~ 100kHz	Compatible with standard drive gate drive circuits
  Output Signal	- Voltage: 15V DC ~ 30V DC (isolated, proportional to input) - Current: 1A ~ 5A (peak, for IGBT gate drive) - Rise/Fall Time: ≤50ns (10%~90% amplitude)	Fast switching for high-frequency IGBTs (up to 10kHz switching frequency)
  Isolation Rating	- Primary to secondary: 4kVrms (1min dielectric test, IEC 61558) - Reinforced isolation: IEC 61800-5-1 compliant	Prevents high-voltage transients (up to 4kV) from reaching control circuits
  Coupling Capacitance	≤5pF (primary to secondary)	Minimizes EMI coupling between isolated circuits
  Power Consumption	≤0.5W (no-load); ≤2W (full load, 5A peak output)	Low energy loss in drive control systems
  Pulse Distortion	≤5% (amplitude); ≤10ns (time delay variation)	Ensures precise IGBT switching timing (<10ns jitter)

• Mechanical Specifications:
  • Core Material: Ferrite (high-frequency, low-loss); Encapsulation: Epoxy resin (UL94 V-0)
  • Dimensions (L×W×H): 30mm × 25mm × 20mm (compact for drive control board mounting)
  • Mounting: Surface-mount (SMD) or through-hole (TH) options; 8-pin DIP package (compatible with drive PCB layouts)
  • Weight: Approximately 15g
  • Terminals: Gold-plated pins (8 pins: 4 primary, 4 secondary); Contact resistance: ≤10mΩ
• Environmental Ratings:
  • Operating Temperature Range: -40℃~+125℃ (-40℉~257℉)
  • Storage Temperature Range: -55℃~+150℃ (-67℉~302℉)
  • Humidity Tolerance: ≤95% RH (non-condensing, 40℃; suitable for drive cabinet environments)
  • Vibration Resistance: 10~2000Hz, 20g acceleration (IEC 60068-2-6; no mechanical damage)
  • Shock Resistance: 100g acceleration (1ms duration, IEC 60068-2-27; maintains isolation integrity)
  • EMC Immunity: Complies with IEC 61000-4-2 (ESD: ±8kV contact); IEC 61000-4-4 (EFT: ±2kV) | Resists noise in drive environments |
• Compliance Standards: IEC 61558-2-16 (safety transformers), IEC 61800-5-1 (adjustable speed drives), UL 1585 (transformers), CE, RoHS

2. Key Features

• Drive-Specific Design: Exclusively engineered for ABB DCS800 DC drives and ACS880 medium-voltage AC drives—pinout and electrical parameters (4kVrms isolation, 5A peak output) perfectly match drive gate drive circuits, ensuring plug-and-play integration without compatibility issues.
• High-Speed Signal Transmission: ≤50ns rise/fall time and ≤10ns delay variation enable precise control of fast-switching IGBTs (up to 10kHz switching frequency)—critical for minimizing switching losses in high-power drive systems (e.g., 1MW+ industrial drives).
• 4kVrms Reinforced Isolation: Reinforced isolation between primary (control side) and secondary (power device side) circuits prevents high-voltage transients (common in drive systems during load changes) from damaging CPU boards—enhances system reliability in harsh industrial grids.
• Low Coupling Capacitance (≤5pF): Minimizes capacitive coupling of high-frequency noise between isolated circuits—reduces EMI emissions from the drive, ensuring compliance with EN 61000-6-4 EMC standards for industrial environments.
• Wide Temperature Range (-40℃~+125℃): Operates reliably in high-temperature drive cabinets (e.g., near power devices dissipating significant heat)—avoids performance degradation in thermal-stressed environments (e.g., steel mill rolling drives).
• Compact, Rugged Package: 30mm×25mm×20mm form factor fits densely packed drive control boards; epoxy encapsulation (UL94 V-0) resists mechanical stress and chemical exposure (e.g., cooling fluids in drive cabinets).
• Dual Mounting Options: Supports both SMD and through-hole mounting—adapts to different drive PCB manufacturing processes (e.g., automated SMD assembly for high-volume production, through-hole for field replacement).

3. Application Fields

• ABB Drive Gate Drive Systems: Primary application—isolated pulse transmission in drives:
  • DCS800 DC Drives: Transmits gate pulses between control boards (e.g., SDCS-CON-10) and thyristor stacks in 100kW~1MW DC drives; 4kVrms isolation protects control electronics from DC bus transients (up to 1200V DC), ensuring reliable motor speed control in steel rolling mills.
  • ACS880 Medium-Voltage AC Drives: Delivers high-speed pulses to IGBT gates in 500kW~5MW drives; ≤50ns rise time enables precise IGBT switching, reducing harmonic distortion in output current—critical for pump and fan applications in water treatment plants.
• Industrial Power Electronic Converters: Isolation for custom power systems:
  • Active Front-End (AFE) Converters: Transmits control pulses in AFE rectifiers (used with ACS880 drives); low coupling capacitance minimizes EMI, ensuring compliance with grid codes for harmonic injection (e.g., IEEE 519).
  • Custom Inverter Systems: Integrates into user-built inverters for renewable energy systems (e.g., solar PV inverters); wide temperature range (-40℃~+125℃) withstands outdoor inverter cabinet conditions.
• High-Power Motor Control: Supports large motor drive systems:
  • Mining Hoist Drives: Isolates gate drive signals in 2MW~5MW hoist drives; shock resistance (100g) withstands mechanical vibrations from hoist operation, preventing pulse transmission failures during critical lifting cycles.
  • Marine Propulsion Drives: Transmits pulses in shipboard AC drives; humidity tolerance (≤95% RH) resists saltwater-induced moisture in engine rooms, ensuring reliable vessel propulsion.

4. Precautions

• Drive Compatibility: Use exclusively with ABB DCS800 DC drives and ACS880 medium-voltage AC drives. Never install in non-ABB drives or low-power drives (e.g., ACS355)—electrical mismatches (e.g., gate voltage, pulse width) will damage the transformer or power devices (IGBTs/thyristors).
• High-Voltage Safety (Critical):
  • Power Disconnection: Before replacing the transformer, disconnect the drive from all AC/DC power and discharge the DC bus capacitors (wait ≥30 minutes for DCS800 drives)—high-voltage residues (up to 1200V DC) on the secondary side pose fatal shock risks. Use insulated tools and PPE (insulated gloves).
  • Isolation Testing: After installation, verify isolation integrity with a megohmmeter (500V DC test): primary-to-secondary resistance must be ≥100MΩ—values below this indicate damage, requiring immediate replacement to prevent control circuit failure.
• Installation & Wiring:
  • Polarity Matching: Ensure primary (control side) and secondary (device side) pins are correctly aligned with drive PCB traces—reverse polarity inverts pulse signals, causing IGBTs/thyristors to switch incorrectly (e.g., shoot-through faults). Refer to the drive’s wiring diagram for pin assignments.
  • Soldering Requirements: For through-hole mounting, use a soldering iron with ≤30W power and keep soldering time ≤3 seconds per pin—excessive heat damages the ferrite core, increasing pulse distortion (>5%).
• Operating Limits:
  • Pulse Parameters: Do not exceed 100kHz frequency or 100μs pulse width—overstressing causes core saturation, leading to signal clipping and power device failure. Verify drive gate drive parameters match transformer ratings (1kHz~100kHz).
  • Temperature Control: Ensure drive cabinet temperature stays below +125℃; install forced-air cooling if ambient temp exceeds +100℃—operation at 150℃ reduces transformer lifespan by 50% due to epoxy degradation.
• Maintenance & Replacement:
  • Visual Inspection: Check for physical damage (e.g., cracked epoxy, bent pins) during drive maintenance—damaged units must be replaced immediately, as isolation integrity may be compromised.
  • Functional Testing: Use an oscilloscope to verify pulse integrity (amplitude distortion ≤5%, delay variation ≤10ns) after replacement—degraded performance indicates incorrect installation or incompatible drive firmware.
  • Genuine Parts Only: Replace with ABB-approved 3BSE004939R101 units—non-genuine transformers may not meet 4kVrms isolation standards, increasing fire and shock risks in high-power drive systems

The structure and details of the product：

 Please make an inquiry for more models

ABB 3BHB007211R0102/XVC768

ABB 3BHB007211R0105/XV C768 AE105

ABB 3BHB013088R0001 GVC750BE101

ABB 3BHB019719R0101 GVC736BE101

ABB 3BHE003688R0101

ABB 3BHE004573R0143

ABB 3BHE005555R0101 LD SYN-101

ABB 3BHE005555R0101 LDSYN-101

ABB 3BHE005555R0101/LD SYN-101

ABB 3BHE006373R0101

ABB 3BHE006373R0101/XV C769 AE101

ABB 3BHE006412R0101

ABB 3BHE006412R0101/UF C762 AE101

ABB 3BHE006414R0001/XV C770 AE

ABB 3BHE009017R0101

ABB 3BHE009017R0101/XV C724 BE101

ABB 3BHE009681R0101

ABB 3BHE010751R0101 PP C902 AE101

ABB 3BHE013940R0002 UNS0868B

ABB 3BHE014070R0101

ABB 3BHE014070R0101/PP C905 AE101

ABB 3BHE014070R0101/PPC905

ABB 3BHE021083R0101

ABB 3BHE021083R0101/XV C770 BE101

ABB 3BHE024415R0101

ABB 3BHE024855R0101 ABB

ABB 3BHL000389P0104

ABB 3BHL000397P0001

ABB 3BHL000986P7000

ABB 3BHL001863P0001

ABB 3BHT300007R1

ABB 3BHT300009R1

ABB 3BHT300025R1

ABB 3BSC690103R2

ABB 3BSC980004R1014

ABB 3BSC980006R213 CI627A

ABB 3BSE000435R1 CS513  8.10

ABB 3BSE000467R1 PFBI161

ABB 3BSE000469R1 PFBK164

ABB 3BSE000470R1 PFBK165

ABB 3BSE000860R1 SB510

ABB 3BSE000863R1 SR511

ABB 3BSE001449R1 TC520

ABB 500PSM03 1MRB150038R0001

ABB FMT500-IG

ABB ACS880-01-119A-7+C132

ABB 5SDF0545F0001 3BHL000395P0001

ABB 1SFL551001R8411

ABB 3BSE002348R1 SB511

ABB 3BSE002540R1 MB510

ABB 3BSE003127R1 DSAI130D

ABB 3BSE003195R1 SNAT7640

ABB 3BSE003642R1 PM151

ABB 3BSE003643R1 PM151

ABB 3BSE003644R1 PM153

ABB 3BSE003645R1 PM154

ABB 3BSE003816R1 SC520

ABB 3BSE003827R1 CI532V02

ABB 3BSE003828R1 CI532V03

ABB 3BSE003832R1 SC510

ABB 3BSE003879R1 BB174

ABB 3BSE004086R1 SDCS-IOB-3

ABB 3BSE004166R1 PFTL101A

ABB 3BSE004802R0001 SB171

ABB 3BSE018310R1 DSTA 156B

ABB 3BSE004939R1 SDCS-PIN-41

ABB 3BSE004940R1 SDCS-PIN-51

ABB 3BSE005178R0001 SDCS-IOB-23

ABB 3BSE005178R1 SDCS-IOB-23

ABB 3BSE005666R1 SDCS-PIN-25

ABB 3BSE006196R1 SDCS-CON-1

ABB 3BSE007949R1 DSAI 146

Other best-selling products：