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Focus on R & D and production of electronic transformers for 26 years. Can be customized as required to meet the requirements of different industries.

Transformer custom service hotline 400-0989-306

崇州恒达电子
恒牛环形变压器,自产环形铁芯,退火工艺精制
Miniature Transformers

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微型变压器 Transformer for medical equipment 40W 220V / 35V 7V

Miniature transformer

Product power: 40W Output voltage: 35V 7V Product model: HDB-40 Dimensions: Φ≤89mm, H≤40mm Input voltage: 220V Installation method: 70 * 70 Field of use: for medical equipment
微型变压器 For automatic gated transformer 45W 220V / 18V

Miniature transformer

Product power: 45W Output voltage: 18V Product model: HDB-45 Dimensions: Φ≤88mm, H≤45mm Input voltage: 220V Installation method: 70 * 70 Field of use: for automatic door control
微型变压器 For instrument transformer 30W 220V / 12V + 12V

Miniature transformer

Product power: 30W Output voltage: 12V + 12V Product model: HDB-30 Dimensions: Φ≤76mm, H≤39mm Input voltage: 220V Installation method: 60 * 60 Field of use: for instruments
微型变压器 For radio and television amplifier transformer 15W 220V / 18V

Miniature transformer

Product power: 15W Output voltage: 18V Product model: HDB-15 Dimensions: Φ≤65mm, H≤37mm Input voltage: 220V Installation method: 55 * 55 Application area: used in broadcasting amplifier
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Micro transformer model list (some examples)
power All copper (HDB series) Half aluminum (HDB-L series) All aluminum (HDB-2L series)
Dimensions
H × Φ (mm)
Installation hole distance (mm) Dimensions
H × Φ (mm)
Installation hole distance (mm) Dimensions
H × Φ (mm)
Installation hole distance (mm)
12VA 37 × 62 55 × 55 37 × 63 55 × 55
15VA 37 × 65 55 × 55 38 × 66 55 × 55
20VA 38 × 70 60 × 60 39 × 71 60 × 60 40 × 72 60 × 60
25VA 38 × 76 60 × 60 40 × 77 60 × 60 40 × 78 60 × 60
30VA 39 × 76 60 × 60 40 × 77 60 × 60 40 × 79 60 × 60
40VA 40 × 89 70 × 70 41 × 90 70 × 70 42 × 90 70 × 70
50VA 45 × 88 70 × 70 46 × 89 70 × 70 48 × 92 70 × 70
Note: The external dimensions can be customized according to customer requirements. For details, please contact customer service & call: 400-0989-306; or log in to our official Taobao factory: http://scczhd.taobao.com

环形变压器外形尺寸、安装尺寸示意图

Micro-transformer performance indicators (some examples)
model Power (VA) Primary DC copper resistance (Ω ± 20%) No-load current (≤mA) Load loss
(≤W)
Anti-electrical strength between primary and secondary
(KV)
Adjustment rate
(≤%)
Insulation class
Full load temperature rise
(≤ ℃)
Efficiency (≥%)
HDB-50 50 35 15 1.5 3.5 / 60S 10.5 B 35 88
Remarks: For more examples of models, please log in to our official Taobao shop: http://scczhd.taobao.com

Product features

01

Refers to toroidal transformers below 50VA, suitable for volume-constrained environments, fully replacing R-type transformers;

02

The external dimensions can be adjusted arbitrarily, and the installation methods are diverse to meet the needs of different customers;

03

Low no-load current, high efficiency and easy installation;

04

Widely used in DAC decoder, amp, medical equipment, instrumentation, broadcasting and other industries;

05

Fully hold UL, CE, RoHS, CESI, ISO9001 quality system certification.

Transformer installation effect

  • HDY Power Series
  • 特殊安装 Special installation
  • Vertical installation
  • 加接线排BK安装 BK installation
  • 中孔灌封 Mesopouring
  • BK变压器

    BK transformer

Installation method

Packing

custom solutions

Online
Choose the relevant parameters according to your needs

  • rated power
  • Lead length
  • Primary rated voltage
  • Other characteristic requirements:
  • Secondary rated voltage
  • Dielectric strength
  • Application area
  • Terminal insert
  • protective device
  • Power frequency
  • Insulation class
  • Dimensions

Online
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  • Name
  • phone
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