Product Overview
Signals 14A Series International Transformers are designed for low-power applications, offering high isolation, creepage, and clearance to meet international safety standards. These transformers provide international standards compliance at a lower cost with improved performance. They feature dual primaries and secondaries, allowing for series or parallel configuration. The insulation system is Class F (155 C) and UL 1446 recognized, with bobbin and shroud materials meeting UL 94-V0 flammability rating. They are suitable for various low-power applications requiring reliable and safe power conversion.
Product Attributes
- Brand: Signal Transformer (belfuse.com/signal)
- Series: 14A Series
- 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 0868 / EN 62368, File # 1446
- CE Compliance VDE Declaration of Conformity LVD 2014/35/EU
- CSA certified to C22.2 No. 66.3 / UL5085-3, File # 221070 - Class 2 Energy Limited
- UL Recognized to UL5085-3 Inherently Limited
- UL Recognized to UL5085-3 Non-Inherently Limited
- Compliance: RoHS Compliant
- Customization: Custom versions available upon request.
Technical Specifications
| Part Number | VA | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | Size (Inches/mm) | Weight (lbs/kg) |
|---|---|---|---|---|---|
| 14A-2.5R-10 | 2.5 | 10.0 VCT @ 0.25 A | 5.0 V @ 0.50 A | 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) | 0.25 (0.113) |
| 14A-5.0R-10 | 5 | 10.0 VCT @ 0.50 A | 5.0 V @ 1.00 A | 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) | 0.37 (0.168) |
| 14A-10R-10 | 10 | 10.0 VCT @ 1.00 A | 5.0 V @ 2.00 A | 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) | 0.53 (0.240) |
| 14A-2.5R-12## | 2.5 | 12.6 VCT @ 0.20 A | 6.3 V @ 0.40 A | 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) | 0.25 (0.113) |
| 14A-5.0R-12## | 5 | 12.6 VCT @ 0.40 A | 6.3 V @ 0.80 A | 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) | 0.37 (0.168) |
| 14A-10R-12## | 10 | 12.6 VCT @ 0.80 A | 6.3 V @ 1.60 A | 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) | 0.53 (0.240) |
| 14A-2.5R-16# | 2.5 | 16.0 VCT @ 0.15 A | 8.0 V @ 0.30 A | 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) | 0.25 (0.113) |
| 14A-5.0R-16# | 5 | 16.0 VCT @ 0.31 A | 8.0 V @ 0.62 A | 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) | 0.37 (0.168) |
| 14A-10R-16# | 10 | 16.0 VCT @ 0.62 A | 8.0 V @ 1.25 A | 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) | 0.53 (0.240) |
| 14A-2.5R-20## | 2.5 | 20.0 VCT @ 0.12 A | 10 V @ 0.24 A | 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) | 0.25 (0.113) |
| 14A-5.0R-20# | 5 | 20.0 VCT @ 0.25 A | 10 V @ 0.50 A | 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) | 0.37 (0.168) |
| 14A-10R-20# | 10 | 20.0 VCT @ 0.50 A | 10 V @ 1.00 A | 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) | 0.53 (0.240) |
| 14A-2.5R-24## | 2.5 | 24.0 VCT @ 0.10 A | 12 V @ 0.20 A | 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) | 0.25 (0.113) |
| 14A-5.0R-24## | 5 | 24.0 VCT @ 0.21 A | 12 V @ 0.42 A | 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) | 0.37 (0.168) |
| 14A-10R-24## | 10 | 24.0 VCT @ 0.42 A | 12 V @ 0.84 A | 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) | 0.53 (0.240) |
| 14A-2.5R-28 | 2.5 | 28.0 VCT @ 0.09 A | 14 V @ 0.18 A | 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) | 0.25 (0.113) |
| 14A-5.0R-28 | 5 | 28.0 VCT @ 0.18 A | 14 V @ 0.36 A | 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) | 0.37 (0.168) |
| 14A-10R-28 | 10 | 28.0 VCT @ 0.36 A | 14 V @ 0.72 A | 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) | 0.53 (0.240) |
| 14A-2.5R-36 | 2.5 | 36.0 VCT @ 0.07 A | 18 V @ 0.14 A | 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) | 0.25 (0.113) |
| 14A-5.0R-36 | 5 | 36.0 VCT @ 0.14 A | 18 V @ 0.28 A | 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) | 0.37 (0.168) |
| 14A-10R-36 | 10 | 36.0 VCT @ 0.28 A | 18 V @ 0.56 A | 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) | 0.53 (0.240) |
| 14A-20-10 | 20 | 10.0 VCT @ 2.0 A | 5.0 V @ 4.0 A | 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) | 0.90 (0.41) |
| 14A-30-10 | 30 | 10.0 VCT @ 3.0 A | 5.0 V @ 6.0 A | 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) | 1.15 (0.52) |
| 14A-56-10 | 56 | 10.0 VCT @ 5.6 A | 5.0 V @ 11.2 A | 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) | 1.70 (0.77) |
| 14A-20-12## | 20 | 12.6 VCT @ 1.6 A | 6.3 V @ 3.2 A | 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) | 0.90 (0.41) |
| 14A-30-12#* | 30 | 12.6 VCT @ 2.4 A (2) | 6.3 V @ 4.80 A (4) | 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) | 1.15 (0.52) |
| 14A-56-12* | 56 | 12.6 VCT @ 4.4 A (4) | 6.3 V @ 8.80 A ++ | 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) | 1.70 (0.77) |
| 14A-20-16# | 20 | 16.0 VCT @ 1.25 A | 8.0 V @ 2.50 A | 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) | 0.90 (0.41) |
| 14A-30-16# | 30 | 16.0 VCT @ 1.90 A | 8.0 V @ 3.80 A | 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) | 1.15 (0.52) |
| 14A-56-16 | 56 | 16.0 VCT @ 3.50 A | 8.0 V @ 7.00 A | 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) | 1.70 (0.77) |
| 14A-20-20# | 20 | 20.0 VCT @ 1.00 A | 10 V @ 2.00 A | 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) | 0.90 (0.41) |
| 14A-30-20# | 30 | 20.0 VCT @ 1.50 A | 10 V @ 3.00 A | 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) | 1.15 (0.52) |
| 14A-56-20 | 56 | 20.0 VCT @ 2.80 A | 10 V @ 5.60 A | 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) | 1.70 (0.77) |
| 14A-20-24## | 20 | 24.0 VCT @ 0.83 A | 12 V @ 1.66 A | 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) | 0.90 (0.41) |
| 14A-30-24#* | 30 | 24.0 VCT @ 1.25 A (1) | 12 V @ 2.50 A (3) | 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) | 1.15 (0.52) |
| 14A-56-24* | 56 | 24.0 VCT @ 2.33 A (2) | 12 V @ 4.66 A (4) | 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) | 1.70 (0.77) |
| 14A-20-28 | 20 | 28.0 VCT @ 0.72 A | 14 V @ 1.44 A | 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) | 0.90 (0.41) |
| 14A-30-28 | 30 | 28.0 VCT @ 1.06 A | 14 V @ 2.12 A | 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) | 1.15 (0.52) |
| 14A-56-28 | 56 | 28.0 VCT @ 2.00 A | 14 V @ 4.00 A | 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) | 1.70 (0.77) |
| 14A-20-36 | 20 | 36.0 VCT @ 0.56 A | 18 V @ 1.12 A | 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) | 0.90 (0.41) |
| 14A-30-36 | 30 | 36.0 VCT @ 0.82 A | 18 V @ 1.64 A | 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) | 1.15 (0.52) |
| 14A-56-36 | 56 | 36.0 VCT @ 1.56 A | 18 V @ 3.12 A | 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) | 1.70 (0.77) |
General Specifications:
- Power: 2.5 VA to 56 VA
- Dielectric Strength: 4000 Vrms Hipot
- Dual Primaries: 115/230 V - 50/60 Hz
- Dual Secondaries: Series or parallel
- Insulation System: Class F, 155 C, UL 1446 (E66312)
- Flammability Rating: Bobbin and shroud material meet UL 94-V0
Recommended secondary fuse value:
- (1): 1.5 A
- (2): 2.5 A
- (3): 3.0 A
- (4): 5.0 A
++ Parallel connected secondaries NOT Class 2 rated.
Mechanical Dimensions:
| VA | L (Inches/mm) | W (Inches/mm) | H* (Inches/mm) | A (Inches/mm) | B (Inches/mm) | C (Inches/mm) | Mounting Screw | Qty |
|---|---|---|---|---|---|---|---|---|
| 2.5 | 1.62 (41.3) | 1.43 (36.5) | 1.12 (28.6) | 0.20 (5.08) | 0.25 (6.35) | 1.00 (25.4) | #4 | 2 |
| 5 | 1.62 (41.3) | 1.43 (36.5) | 1.37 (34.9) | 0.20 (5.08) | 0.40 (10.16) | 1.00 (25.4) | #4 | 2 |
| 10 | 1.87 (47.6) | 1.56 (39.7) | 1.37 (34.9) | 0.20 (5.08) | 0.40 (10.16) | 1.14 (29.0) | #4 | 2 |
| 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) | #4 | 2 |
| 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) | #6 | 4 |
| 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) | #6 | 4 |
*Note: Dimension H represents the total distance from the seating plane to the uppermost surface, stand offs and/or risers inclusive.
2411272147_Bel-Fuse-14A-56-16_C17692593.pdf
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