S-NA 2VA PCB Mountable Power Transformers
LI017V2/2004
1. Features
  • Fully-encapsulated printed circuit board soldering, easy and flexable to use. Perfect outline;
  • Compact in structure, solid, shockproof, moisture-proof, flame-resitant;
  • Low idle current,good over-voltage capacity;
  • Built-in temperature protector, safer in application.
  • Ambient temperature: -25°C ~ +70°C;
  • Relative humidity: =90% at 40°C;
  • Atmospheric pressure: 860 ~ 1060mbar(about 650 ~ 800mmHg);
  • Insulation Rating: B(130°C);
  • Insulation resistance: >1000MΩ in normal condition;
  • Insulation withstand voltages: 2000V/min in line-frequency;
  • Basis insulation impulse level: Can receive 20 times continued impact of 6KV/50µS
  • Flame retardancy: In conformity with UL94-Vo.
  • Safety authentication/certifications: CE, UL;
  • Quality certification: ISO9000.
2. Outline Drawing Diagram (SNA 2VA)

3. Technical Parameters of S-NA 2VA Standard Products

Primary Pins Primary Voltage Frequency Primary Current
Rating Max. Idle Full Load
1-5 110V 137.5V 50/60Hz ≤15mA ≤27mA

Model Windings Secondary Voltage Secondary Current
(mA)		 Pins Equivalent Internal Resistance
(Ω)
Idle Full Load
S-NA2-01  
2,3,4,6,8,10 not used

7V

 6V 333 7-9 3.75
S-NA2-01B 8.8V 7.5V 267 5.85
S-NA2-02 10.5V 9V 222 8.4
S-NA2-03 14V 12V 167 15
S-NA2-04 17.5V 15V 133 23.5
S-NA2-05 20.9V 18V 111 33.5
S-NA2-05B 24.5V 21V 95 46
S-NA2-06 27.8V 24V 83 60
S-NA2-06B 31.5V 27V 74 76
S-NA2-07  
2,3,4,8 not used

2 ?7V 2 ?6V 2 ?167 6-7
9-10		 2 ?7.5
S-NA2-07B 2 ?8.8V 2 ?7.5V 2 ?133 2 ?11.7
S-NA2-08 2 ?10.5V 2 ?9V 2 ?111 2 ?16.8
S-NA2-09 2 ?14V 2 ?12V 2 ?83 2 ?30
S-NA2-10 2 ?17.5V 2 ?15V 2 ?66.7 2 ?47
S-NA2-11 2 ?20.9V 2 ?18V 2 ?55.6 2 ?67
S-NA2-11B 2 ?24.5V 2 ?21V 2 ?47.6 2 ?92
S-NA2-12 2 ?27.8V 2 ?24V 2 ?41.7 2 ?120
S-NA2-12B 2 ?31.5V 2 ?27V 2 ?37 2 ?152


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