BingZi Transformer Encapsulated (Sealed) (S-NA 4VA)

S-NA 4VA 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/50�S
Flame retardancy: In conformity with UL94-Vo.
Safety authentication/certifications: CE, UL;
Quality certification: ISO9000.

2. Outline Drawing Diagram (SNA 4VA)

3. Technical Parameters of S-NA 4VA Standard Products

Primary Pins Primary Voltage Frequency Primary Current

Rating Max. Idle Full Load

1-5 110V 137.5V 50/60Hz ≤30mA ≤52mA

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

Idle Full Load

S-NA4-01
2,3,4,6,8,10 not used
6.9V
6V 667 7-9 1.75

S-NA4-01B 8.6V 7.5V 533 2.7

S-NA4-02 10.3V 9V 444 3.9

S-NA4-03 13.8V 12V 333 7

S-NA4-04 17.2V 15V 267 10.5

S-NA4-05 20.6V 18V 222 15.6

S-NA4-05B 24V 21V 190 21.5

S-NA4-06 27.5V 24V 167 28

S-NA4-06B 31V 27V 148 35

S-NA4-07
2,3,4,8 not used
2 ?6.9V 2 ?6V 2 ?333 6-7
9-10 2 ?3.5

S-NA4-07B 2 ?8.6V 2 ?7.5V 2 ?267 2 ?5.4

S-NA4-08 2 ?10.3V 2 ?9V 2 ?222 2 ?7.8

S-NA4-09 2 ?13.8V 2 ?12V 2 ?167 2 ?14

S-NA4-10 2 ?17.2V 2 ?15V 2 ?133 2 ?21

S-NA4-11 2 ?20.6V 2 ?18V 2 ?111 2 ?31.5

S-NA4-11B 2 ?24V 2 ?21V 2 ?95 2 ?43

S-NA4-12 2 ?27.5V 2 ?24V 2 ?83 2 ?56

S-NA4-12B 2 ?31V 2 ?27V 2 ?74 2 ?70

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