14A-20-512 BEL | Alldatasheet

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belfuse.com/signal Printed Circuit Mount 14A Series One-4-All™ Triple Output Transformers For 5 VDC and ±12 VDC or ±15 VDC Regulated Power Supllies Requiring International Safety Certification Signal’s 14A triple output transformers have PC board mounting capability plus all of the performance features of our split bobbin 14A series. General Specifications

  • Power - 20 VA to 56 VA
  • Dielectric Strength - 4000 Vrms Hipot
  • Primaries - Dual 115/230 V, 50/60 Hz
  • Secondaries - Dual complementary outputs
  • Insulation System - Class F , 155° C, UL 1446 (E66312)
  • Flammability Rating - Bobbin and shroud material meet UL 94-V0 Agency Certifications
  • UL recognized to UL 506 / UL 5085-2, File # E63829
  • CSA certified to C22.2 No. 66.1, File # 221070
  • VDE certified to VDE 0805 / EN 60950, File # 1446 RoHS Compliant

belfuse.com/signal

128 Atlantic Avenue, Lynbrook, NY 11563

Toll Free 866-239-5777 | Tel 516-239-5777 | Fax 516-239-7208 sales@signaltransformer.com | techhelp@signaltransformer.com Custom versions available upon request. © 2019 Signal Transformer Specifications subject to change without notice 14A 3O Series 12.19 14A Triple Output Series Datasheet Part Number Selection Part Number VA DC Output Suggested Components (C2 and C4 See Note 1) Size Regulator I Regulator II C1 IC1 3 IC2 3 IC3 3 D1 4 D2 4 14A-20-512 20 5 V @ 750 mA ±12 V @ 200 mA

2.3 KMFD @ 50 VDC

LM-323K-5 LM-340K-12 LM-320K-12 PE20 PF20 14A-20-515 20 5 V @ 750 mA ±15 V @ 175 mA LM-323K-5 LM-340K-15 LM-320K-15 PE20 PF20 14A-30-512 30 5 V @ 1.25 A ±12 V @ 250 mA

4.1 KMFD @ 15 VDC

LM-323K-5 LM-340K-12 LM-320K-12 PE20 PF20 14A-30-515 30 5 V @ 1.25 A ±15 V @ 200 mA LM-323K-5 LM-340K-15 LM-320K-15 PE20 PF20 14A-56-512 56 5 V @ 3 A ±12 V @ 300 mA

10.0 KMFD @ 15 VDC

LM-338 2 LM-340K-12 LM-320K-12 PP20 PF20 14A-56-515 56 5 V @ 3 A ±15 V @ 250 mA LM-338 2 LM-340K-15 LM-320K-15 PP20 PF20 Note 1: Output capacitors C2 and C4 are required to stabilize regulators. Values can be 1 MFD min. tantalum or 10 MFD min. electrolytic, 20 V min. Note 2: LM-338 is an adjustable regulator and MFR’s specifications (National Semiconductor) should be consulted for values of external components. Note 3: All ICs are National Semiconductor types. Note 4: All bridges are EDI types. RoHS Compliant

belfuse.com/signal Toll Free 866-239-5777 | Tel 516-239-5777 | Fax 516-239-7208 sales@signaltransformer.com | techhelp@signaltransformer.com Custom versions available upon request. © 2019 Signal Transformer Specifications subject to change without notice 14A 3O Series 12.19 14A Triple Output Series Datasheet Mechanical Specifications screw and nut information. VA Mechanical Dimensions Sq. Pin Dimensions Mounting Dimensions Mounting Screw Weight L W H* A B C D M N P Size Inches (mm) Size Qty lbs (kg) 20 2.25 (57.2) 1.87 (47.6) 1.62 (41.3) 0.40 (10.2) 0.40 (10.2) 1.46 (37.1) 0.20 (5.1) 0.036 (0.91) 1.50 (0.41) 30 2.62 (66.7) 2.18 (55.5) 1.56 (39.7) 0.55 (13.9) 0.27 (7.0) 1.68 (42.7) 0.27 (7.0) 0.045 (1.14) - 1.75 (44.4) 2.18 (55.5) #6 4 1.15 (0.52) 56 3.00 (76.2) 2.50 (63.5) 1.83 (46.5) 0.60 (15.2) 0.30 (7.6) 1.90 (48.3) 0.30 (7.6) 0.045 (1.14) - 2.00 (50.8) 2.50 (6.35) #6 4 1.70 (0.77) * Dimension H represents the total distance from the seating plane to the uppermost surface, stand offs and/or risers inclusive.