Size Dimen­sions L
(mm)
W
(mm)
H
(mm)
Mount
EP7
- - - SMT
EP10
13.34 15.24 11.43 SMT
EP13
13.46 17.75 12.7 SMT

Characteristics

  • Low leakage inductance
  • High saturation current for low-power, DC/DC transformers
  • Self-shielding and space efficient
  • Isolation voltage: Up to 1500VAC
  • Lead free and RoHS compliant
  • Operating temp: -40°C to 125°C
  • Package sizes: EP7, EP10, and EP13

Applications

  • Industrial & medical power supplies
  • Isolated auxiliary/housekeeping power supplies
  • Isolated DC/DC supplies
  • Home automation
  • Telecom

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EP7
EP10
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Data­sheet
Simu­lation
Downloads
Status
VIN
VOut1 (V)
IOut1 (mA)
VOut2 (V)
IOut2 (mA)
Vaux (V)
L (µH)
n
ISAT (A)
LS (µH)
VT (V)
Size
IC Reference
Samples
WE-FLYLT  Flyback Transformers for Linear Technology
750312504
2 - 5.5 V (DC), 20 V, 250 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 2 - 5.5 V (DC)
Output Voltage 1 20 V
Output Current 1 250 mA
Inductance 3.46 µH
Turns Ratio 1:1 
Saturation Current 10.2 A
Leakage Inductance 0.12 µH
Insulation Test Voltage 500 V
Size EP13 
IC Reference LTC3300 
WE-FLYLT  Flyback Transformers for Linear Technology
750313460
4 - 8 V (DC), 5 V, 1200 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 4 - 8 V (DC)
Output Voltage 1 5 V
Output Current 1 1200 mA
Inductance 12 µH
Turns Ratio 4:1 
Saturation Current 7.75 A
Leakage Inductance 1.5 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8302 
WE-FLYLT  Flyback Transformers for Linear Technology
750315839
4 - 36 V (DC), 200 V, 12 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 4 - 36 V (DC)
Output Voltage 1 200 V
Output Current 1 12 mA
Inductance 40 µH
Turns Ratio 1:10 
Saturation Current 3.2 A
Leakage Inductance 0.5 µH
Insulation Test Voltage 1500 V
Size EP13 
IC Reference LT8304 
WE-FLYLT  Flyback Transformers for Linear Technology
750313973
8 - 32 V (DC), 3.3 V, 500 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 8 - 32 V (DC)
Output Voltage 1 3.3 V
Output Current 1 500 mA
Output Voltage 2 3.3 V
Output Current 2 500 mA
Inductance 40 µH
Turns Ratio 4:1:1 
Saturation Current 2 A
Leakage Inductance 1 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8301 
WE-FLYLT  Flyback Transformers for Linear Technology
750313974
8 - 32 V (DC), 5 V, 360 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 8 - 32 V (DC)
Output Voltage 1 5 V
Output Current 1 360 mA
Output Voltage 2 5 V
Output Current 2 360 mA
Inductance 40 µH
Turns Ratio 3:1:1 
Saturation Current 2 A
Leakage Inductance 1 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8301 
WE-FLYLT  Flyback Transformers for Linear Technology
750313975
8 - 32 V (DC), 24 V, 70 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 8 - 32 V (DC)
Output Voltage 1 24 V
Output Current 1 70 mA
Output Voltage 2 24 V
Output Current 2 70 mA
Inductance 40 µH
Turns Ratio 1:2:2 
Saturation Current 2 A
Leakage Inductance 1 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8301 
WE-FLYLT  Flyback Transformers for Linear Technology
750313976
8 - 32 V (DC), 48 V, 35 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 8 - 32 V (DC)
Output Voltage 1 48 V
Output Current 1 35 mA
Output Voltage 2 48 V
Output Current 2 35 mA
Inductance 40 µH
Turns Ratio 1:4:4 
Saturation Current 2 A
Leakage Inductance 1 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8301 
WE-FLYLT  Flyback Transformers for Linear Technology
750313441
8 - 32 V (DC), 5 V, 1750 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 8 - 32 V (DC)
Output Voltage 1 5 V
Output Current 1 1750 mA
Inductance 9 µH
Turns Ratio 2:1 
Saturation Current 8 A
Leakage Inductance 1.5 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8302 
WE-FLYLT  Flyback Transformers for Linear Technology
750313443
8 - 32 V (DC), 12 V, 375 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 8 - 32 V (DC)
Output Voltage 1 12 V
Output Current 1 375 mA
Output Voltage 2 12 V
Output Current 2 375 mA
Inductance 9 µH
Turns Ratio 1:1:1 
Saturation Current 7.3 A
Leakage Inductance 1 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8302 
WE-FLYLT  Flyback Transformers for Linear Technology
750313445
8 - 32 V (DC), 24 V, 320 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 8 - 32 V (DC)
Output Voltage 1 24 V
Output Current 1 320 mA
Inductance 9 µH
Turns Ratio 1:2 
Saturation Current 7.5 A
Leakage Inductance 1 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8302 
WE-FLYLT  Flyback Transformers for Linear Technology
750313457
8 - 32 V (DC), 48 V, 180 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 8 - 32 V (DC)
Output Voltage 1 48 V
Output Current 1 180 mA
Inductance 9 µH
Turns Ratio 1:2:2 
Saturation Current 7.5 A
Leakage Inductance 1 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8302 
WE-FLYLT  Flyback Transformers for Linear Technology
750313439
8 - 40 V (DC), 3.3 V, 2000 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 8 - 40 V (DC)
Output Voltage 1 3.3 V
Output Current 1 2000 mA
Inductance 12 µH
Turns Ratio 2:1 
Saturation Current 8 A
Leakage Inductance 1.5 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8302 
WE-FLYLT  Flyback Transformers for Linear Technology
750313442
8 - 40 V (DC), 5 V, 1500 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 8 - 40 V (DC)
Output Voltage 1 5 V
Output Current 1 1500 mA
Inductance 12 µH
Turns Ratio 1.5:1 
Saturation Current 7.3 A
Leakage Inductance 1.5 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8302 
WE-FLYLT  Flyback Transformers for Linear Technology
750315831
9 - 36 V (DC), 5 V, 350 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 9 - 36 V (DC)
Output Voltage 1 5 V
Output Current 1 350 mA
Inductance 150 µH
Turns Ratio 10:1 
Saturation Current 0.8 A
Leakage Inductance 8 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8303 
WE-FLYLT  Flyback Transformers for Linear Technology
750315832
9 - 36 V (DC), 100 V, 15 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 9 - 36 V (DC)
Output Voltage 1 100 V
Output Current 1 15 mA
Inductance 150 µH
Turns Ratio 1:4 
Saturation Current 0.8 A
Leakage Inductance 3.4 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8303 
WE-FLYLT  Flyback Transformers for Linear Technology
750312366
18 - 75 V (DC), 5 V, 300 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 18 - 75 V (DC)
Output Voltage 1 5 V
Output Current 1 300 mA
Inductance 400 µH
Turns Ratio 7.11:1 
Saturation Current 0.58 A
Leakage Inductance 8 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750313970
18 - 42 V (DC), 3.3 V, 500 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 18 - 42 V (DC)
Output Voltage 1 3.3 V
Output Current 1 500 mA
Output Voltage 2 3.3 V
Output Current 2 500 mA
Inductance 40 µH
Turns Ratio 2:1:1 
Saturation Current 2 A
Leakage Inductance 1 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8301 
WE-FLYLT  Flyback Transformers for Linear Technology
750313972
18 - 42 V (DC), 5 V, 275 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 18 - 42 V (DC)
Output Voltage 1 5 V
Output Current 1 275 mA
Output Voltage 2 5 V
Output Current 2 275 mA
Inductance 40 µH
Turns Ratio 1:1:1 
Saturation Current 2 A
Leakage Inductance 1 µH
Insulation Test Voltage 1500 V
Size EP10 
IC Reference LT8301 
WE-FLYLT  Flyback Transformers for Linear Technology
750315125
18 - 72 V (DC), 5 V, 4500 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 18 - 72 V (DC)
Output Voltage 1 5 V
Output Current 1 4500 mA
Inductance 40 µH
Turns Ratio 6:1 
Saturation Current 3.8 A
Leakage Inductance 2 µH
Insulation Test Voltage 1500 V
Size EP13 
IC Reference LT8304 
WE-FLYLT  Flyback Transformers for Linear Technology
750312367
22 - 72 V (DC), 3.3 V, 500 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 22 - 72 V (DC)
Output Voltage 1 3.3 V
Output Current 1 500 mA
Inductance 300 µH
Turns Ratio 8.4:1 
Saturation Current 0.45 A
Leakage Inductance 4 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750312365
30 - 72 V (DC), 12 V, 300 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 30 - 72 V (DC)
Output Voltage 1 12 V
Output Current 1 300 mA
Inductance 300 µH
Turns Ratio 4:1 
Saturation Current 0.6 A
Leakage Inductance 4 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750311019
35 - 75 V (DC), 3.3 V, 600 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 35 - 75 V (DC)
Output Voltage 1 3.3 V
Output Current 1 600 mA
Auxiliary Voltage 6.6 V
Inductance 400 µH
Turns Ratio 6:1:2 
Saturation Current 0.75 A
Leakage Inductance 8 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750311558
35 - 75 V (DC), 5 V, 400 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 35 - 75 V (DC)
Output Voltage 1 5 V
Output Current 1 400 mA
Auxiliary Voltage 5 V
Inductance 300 µH
Turns Ratio 4:1:1 
Saturation Current 0.5 A
Leakage Inductance 3 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750311559
35 - 75 V (DC), 5 V, 400 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 35 - 75 V (DC)
Output Voltage 1 5 V
Output Current 1 400 mA
Auxiliary Voltage 5 V
Inductance 175 µH
Turns Ratio 4:1:1 
Saturation Current 0.8 A
Leakage Inductance 3 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750312557
36 - 72 V (DC), 5 V, 380 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 5 V
Output Current 1 380 mA
Inductance 300 µH
Turns Ratio 6:1 
Saturation Current 0.45 A
Leakage Inductance 5 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750312558
36 - 72 V (DC), 12 V, 70 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 12 V
Output Current 1 70 mA
Output Voltage 2 12 V
Output Current 2 70 mA
Inductance 300 µH
Turns Ratio 2:1:1 
Saturation Current 0.54 A
Leakage Inductance 4 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750312559
36 - 72 V (DC), 24 V, 70 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 24 V
Output Current 1 70 mA
Inductance 300 µH
Turns Ratio 1:1 
Saturation Current 0.45 A
Leakage Inductance 4 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750311659
36 - 72 V (DC), 24 V, 80 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 24 V
Output Current 1 80 mA
Auxiliary Voltage 5 V
Inductance 300 µH
Turns Ratio 5:5:1 
Saturation Current 0.56 A
Leakage Inductance 3 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750311660
36 - 72 V (DC), 15 V, 140 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 15 V
Output Current 1 140 mA
Auxiliary Voltage 5 V
Inductance 350 µH
Turns Ratio 6:3:1 
Saturation Current 0.52 A
Leakage Inductance 4.5 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750311838
36 - 72 V (DC), 15 V, 70 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 15 V
Output Current 1 70 mA
Output Voltage 2 15 V
Output Current 2 70 mA
Inductance 350 µH
Turns Ratio 2:1:1 
Saturation Current 0.52 A
Leakage Inductance 4.5 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8300 
WE-FLYLT  Flyback Transformers for Linear Technology
750315826
36 - 72 V (DC), 5 V, 720 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 5 V
Output Current 1 720 mA
Inductance 150 µH
Turns Ratio 6:1 
Saturation Current 0.9 A
Leakage Inductance 4 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8303 
WE-FLYLT  Flyback Transformers for Linear Technology
750315827
36 - 72 V (DC), 5 V, 580 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 5 V
Output Current 1 580 mA
Inductance 150 µH
Turns Ratio 4:1 
Saturation Current 0.8 A
Leakage Inductance 3.6 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8303 
WE-FLYLT  Flyback Transformers for Linear Technology
750315828
36 - 72 V (DC), 12 V, 260 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 12 V
Output Current 1 260 mA
Inductance 150 µH
Turns Ratio 2:1 
Saturation Current 0.8 A
Leakage Inductance 3.2 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8303 
WE-FLYLT  Flyback Transformers for Linear Technology
750315829
36 - 72 V (DC), 24 V, 130 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 24 V
Output Current 1 130 mA
Inductance 150 µH
Turns Ratio 1:1 
Saturation Current 0.8 A
Leakage Inductance 3 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8303 
WE-FLYLT  Flyback Transformers for Linear Technology
750315830
36 - 72 V (DC), 48 V, 60 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 48 V
Output Current 1 60 mA
Inductance 150 µH
Turns Ratio 1:2 
Saturation Current 0.8 A
Leakage Inductance 3.8 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8303 
WE-FLYLT  Flyback Transformers for Linear Technology
750315833
36 - 72 V (DC), 12 V, 130 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 12 V
Output Current 1 130 mA
Output Voltage 2 12 V
Output Current 2 130 mA
Inductance 150 µH
Turns Ratio 2:1:1 
Saturation Current 0.8 A
Leakage Inductance 3 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8303 
WE-FLYLT  Flyback Transformers for Linear Technology
750315834
36 - 72 V (DC), 5 V, 350 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 5 V
Output Current 1 350 mA
Output Voltage 2 5 V
Output Current 2 350 mA
Inductance 150 µH
Turns Ratio 6:1:1 
Saturation Current 0.8 A
Leakage Inductance 5.2 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8303 
WE-FLYLT  Flyback Transformers for Linear Technology
750315825
36 - 72 V (DC), 3.3 V, 1000 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 3.3 V
Output Current 1 1000 mA
Inductance 150 µH
Turns Ratio 8:1 
Saturation Current 0.9 A
Leakage Inductance 6 µH
Insulation Test Voltage 1500 V
Size EP7 
IC Reference LT8303 
WE-FLYLT  Flyback Transformers for Linear Technology
750315836
36 - 75 V (DC), 24 V, 600 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 75 V (DC)
Output Voltage 1 24 V
Output Current 1 600 mA
Inductance 40 µH
Turns Ratio 1:1 
Saturation Current 3.2 A
Leakage Inductance 0.9 µH
Insulation Test Voltage 1500 V
Size EP13 
IC Reference LT8304 
WE-FLYLT  Flyback Transformers for Linear Technology
750315837
36 - 75 V (DC), 48 V, 300 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 75 V (DC)
Output Voltage 1 48 V
Output Current 1 300 mA
Inductance 40 µH
Turns Ratio 1:2 
Saturation Current 3.2 A
Leakage Inductance 1 µH
Insulation Test Voltage 1500 V
Size EP13 
IC Reference LT8304 
WE-FLYLT  Flyback Transformers for Linear Technology
750315835
36 - 75 V (DC), 3.3 V, 4800 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 75 V (DC)
Output Voltage 1 3.3 V
Output Current 1 4800 mA
Inductance 40 µH
Turns Ratio 8:1 
Saturation Current 3.2 A
Leakage Inductance 2 µH
Insulation Test Voltage 1500 V
Size EP13 
IC Reference LT8304 
WE-FLYLT  Flyback Transformers for Linear Technology
750315126
36 - 72 V (DC), 12 V, 1250 mA
Simu­lation
Status Active i | Production is active. Expected lifetime: >10 years.
Input Voltage 36 - 72 V (DC)
Output Voltage 1 12 V
Output Current 1 1250 mA
Inductance 40 µH
Turns Ratio 2:1 
Saturation Current 3.8 A
Leakage Inductance 1 µH
Insulation Test Voltage 1500 V
Size EP13 
IC Reference LT8304