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Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
4kV
Primary Winding(s):
2
Output Current:
750mA;200mA
Primary Side Voltage:
115V;230V
Mfr. Part #:
14A-20-512
Package:
Through Hole-8P,57.2x47.6mm
Key Attributes
Model Number:
14A-20-512
Product Description
Product Overview
Signal's 14A Triple Output Transformers are designed for PC board mounting, offering the performance of their split bobbin 14A series. These transformers are ideal for regulated power supplies requiring 5 VDC and 12 VDC or 15 VDC, with international safety certifications. They are suitable for applications demanding robust and reliable power conversion with international compliance.
Product Attributes
- Brand: Signal
- Series: 14A Triple Output Transformers
- Mounting Type: Printed Circuit Mount
- 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
- Compliance: RoHS Compliant
- Customization: Custom versions available upon request
- Manufacturer: Signal Transformer (a Bel Fuse company)
Technical Specifications
| Part Number | VA | DC Output | Suggested Components (C2 and C4 See Note 1) | Regulator I | Regulator II | C1 | IC1 | IC2 | IC3 | D1 | D2 | Size | Mounting Screw | Qty | Weight lbs (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 20 | #4 | 2 | 0.90 (0.41) | |||
| 14A-20-515 | 20 | 5 V @ 750 mA 15 V @ 175 mA | LM-323K-5 | LM-340K-15 | LM-320K-15 | PE20 | PF20 | 20 | #4 | 2 | 0.90 (0.41) | ||||
| 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 | 30 | #6 | 4 | 1.15 (0.52) | |||
| 14A-30-515 | 30 | 5 V @ 1.25 A 15 V @ 200 mA | LM-323K-5 | LM-340K-15 | LM-320K-15 | PE20 | PF20 | 30 | #6 | 4 | 1.15 (0.52) | ||||
| 14A-56-512 | 56 | 5 V @ 3 A 12 V @ 300 mA | 10.0 KMFD @ 15 VDC | LM-338 | LM-340K-12 | LM-320K-12 | PP20 | PF20 | 56 | #6 | 4 | 1.70 (0.77) | |||
| 14A-56-515 | 56 | 5 V @ 3 A 15 V @ 250 mA | LM-338 | LM-340K-15 | LM-320K-15 | PP20 | PF20 | 56 | #6 | 4 | 1.70 (0.77) |
| VA | Mechanical Dimensions Inches (mm) | Mounting Dimensions Inches (mm) | Mounting Screw | Qty | Weight lbs (kg) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | W | H* | A | B | C | D | Sq. Pin Dimensions | M | N | P | Size | |||
| 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 (38.1) | - | - | #4 | 2 | 0.90 (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.
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
Notes:
- 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 MFRs 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.
2411272150_Bel-Fuse-14A-20-512_C17490614.pdf
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