BingZi Transformer Encapsulated (Sealed) (S-NA0.25 VA)

S-NA 0.25 VA 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蚓 ~ +70蚓;
Relative humidity: =90% at 40蚓;
Atmospheric pressure: 860 ~ 1060mbar(about 650 ~ 800mmHg);
Insulation Rating: B(130蚓);
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/50猶
Flame retardancy: In conformity with UL94-Vo.
Safety authentication/certifications: CE, UL;
Quality certification: ISO9000.

2. Outline Drawing Diagram (SNA 0.25VA)

3. Technical Parameters of S-NA 0.25 VA Standard Products

Primary Pins Primary Voltage Frequency Primary Current

Rating Max. Idle Full Load

1-4 110V 137.5V 50/60Hz ≤4.6mA ≤5.1mA

Model Windings Secondary Voltage Secondary Current
(mA) Pins Equivalent Internal Resistance
(Ω)

Idle Full Load

S-NA0.25-01
2,3,5,8 not used 8V 6V 42 6-7 54

S-NA0.25-01B 10V 7.5V 33 84

S-NA0.25-02 11.9V 9V 28 118

S-NA0.25-03 15.9V 12V 21 210

S-NA0.25-04 19.8V 15V 17 325

S-NA0.25-05 23.8V 18V 14 475

S-NA0.25-05B 27.7V 21V 12 645

S-NA0.25-06 31.8V 24V 10 885

S-NA0.25-06B 35.8V 27V 9 1100

S-NA0.25-07
2,3 not used
2 ?8V 2 ?6V 2 ?21 5-6
7-8 2 ?108

S-NA0.25-07B 2 ?10V 2 ?7.5V 2 ?17 2 ?168

S-NA0.25-08 2 ?11.9V 2 ?9V 2 ?14 2 ?236

S-NA0.25-09 2 ?15.9V 2 ?12V 2 ?10 2 ?420

S-NA0.25-10 2 ?19.8V 2 ?15V 2 ?8 2 ?650

S-NA0.25-11 2 ?23.8V 2 ?18V 2 ?7 2 ?950

S-NA0.25-11B 2 ?27.7V 2 ?21V 2 ?6 2 ?1290

S-NA0.25-12 2 ?31.8V 2 ?24V 2 ?5 2 ?1800

S-NA0.25-12B 2 ?35.8V 2 ?27V 2 ?4.6 2 ?2200

BingZi USA, Inc. 957 Fairway Dr. Walnut, CA 91789, U.S.A. Tel: (909)598-2130 Fax: (909)598-2149 E-mail: sales@bingziusa.com