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SMD Transformer E10 EM Series TDK B78307A2385A003 Partial Discharge Inception Voltage Over 900 Volt
SMD Transformer E10 EM Series TDK B78307A2385A003 Partial Discharge Inception Voltage Over 900 Volt
SMD Transformer E10 EM Series TDK B78307A2385A003 Partial Discharge Inception Voltage Over 900 Volt
SMD Transformer E10 EM Series TDK B78307A2385A003 Partial Discharge Inception Voltage Over 900 Volt
Specifications
Description :
SMD-8P,13.2x9.3mm Switching Converter, SMPS Transformers RoHS
Mfr. Part # :
B78307A2385A003
Model Number :
B78307A2385A003
Package :
SMD-8P,13.2x9.3mm
Description

SMD Transformers - E10 EM Series

The E10 EM series SMD transformers from TDK Electronics are designed for high-performance applications, offering excellent electrical insulation and a wide operating temperature range. These transformers are qualified to AEC-Q200 and are RoHS compatible, making them suitable for demanding industrial and automotive environments.

Product Attributes

  • Brand: TDK Electronics
  • Series: E10 EM series
  • Ordering Code: B78307A*A003
  • Construction: Ferrite core (MnZn), SMD gullwing pins, triple insulated wire, non-conductive pick-and-place cap
  • Insulation System: UL1446 class 155 (F)
  • Certifications: AEC-Q200 qualified, RoHS compatible
  • Plastic Materials: UL94-V0
  • Insulated Wire: UL60950-1, Annex U

Technical Specifications

Feature Specification
Height 11.35 mm max
Operating Temperature Range -40 C to +150 C (component)
Weight Approx. 2 g
Typical Operational Frequency 100 - 500 kHz
High Voltage Test (AC N1/N2) 3000 V AC (50 Hz, 1 s)
High Voltage Type Test (AC N1/N2) 3750 V AC (50 Hz, 60 s)
Partial Discharge Inception Voltage (N1/N2) >900 V peak (type test)
Partial Discharge Extinction Voltage (N1/N2) >700 V peak (type test)
Creepage Distance (N1/N2) >6 mm (cumulative, core floating)
Clearance Distance (N1/N2) >5.5 mm (cumulative, core floating)
Creepage Distance ([N1,N2]/core) >3 mm
Clearance Distance ([N1,N2]/core) >2.75 mm
Clearance/Creepage (core/top surface) >2 mm
Pollution Degree P2 (to IEC 60664)
Insulation Thermal Class +155 C (F) (to IEC 60085)
Climatic Category 40/150/56 (to IEC 60068)
Storage Conditions -25 C to +40 C, humidity 75% RH
Resistance to Reflow Soldering Heat In accordance with JEDEC J-STD-020D (Tpeak = +245 C)
Delivery Mode Blister tape, 380 mm diameter
Packing Unit 280 pcs per reel

Applications

  • Isolated DC/DC converters (bridge and flyback topology)
  • Gate driver circuits (e.g., for 650 V IGBTs)
  • Digital isolator ICs

Characteristics and Ordering Codes

Topology Turns Ratio N1/N2 LN1 (H) Lleak,typ, N1 (H) Isat,N1 (A) E*dtN1 (max, unipolar/bipolar) (Vs) RDC,N1 (m) RDC,N2 (m) Cp N1/N2 (pF) Ordering Code
B1, B2 1 : 1.08 100 0.35 - 15 / 30 350 410 9 B78307A2276A003
B1, B2 1 : 0.76 100 0.45 - 18 / 36 360 300 9 B78307A9741A003
B1, B2 1 : 3.67 10 0.1 - 10 / 20 200 700 6 B78307A2385A003
B3, B4 1 : 4 2 10% 0.06 4 - 105 340 4 F3 B78307A2338A003
B3, B4 4 : 1 25 10% - 1 - - - 4 F4 B78307A2338A003

Note: For detailed explanations of footnotes and configuration details, please refer to the original datasheet.


2411272151_TDK-B78307A2385A003_C17483703.pdf

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SMD Transformer E10 EM Series TDK B78307A2385A003 Partial Discharge Inception Voltage Over 900 Volt

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Product Detail
Description :
SMD-8P,13.2x9.3mm Switching Converter, SMPS Transformers RoHS
Mfr. Part # :
B78307A2385A003
Model Number :
B78307A2385A003
Package :
SMD-8P,13.2x9.3mm
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SMD Transformer E10 EM Series TDK B78307A2385A003 Partial Discharge Inception Voltage Over 900 Volt
SMD Transformer E10 EM Series TDK B78307A2385A003 Partial Discharge Inception Voltage Over 900 Volt

Changsha Purple Horn E-Commerce Co., Ltd.

Verified Supplier
1 Years
hunan, changsha
Since 2009
Business Type :
Manufacturer, Distributor/Wholesaler, Agent, Importer
Main Products :
Current Transformers, Pulse Transformers, Power Transformers
Employee Number :
>300
Certification Level :
Verified Supplier
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