1 Output 4.2W Flyback SMPS Transformer, 85 → 265V ac, 7.5 → 15V ac, 2.1mH

  • RS Stock No. 418-4146
  • Mfr. Part No. 74095
  • Manufacturer Myrra
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): FR
Product Details

Transformers for 1 → 9 W TINYSwitch II circuits

Transformers specially designed to work in conjunction with the TNY264 and TNY266 integrated circuits.
They are used to make low output switch mode power supplies with a minimum number of components.
E16 size.
Materials comply with UL94-V0.

Technical specifications
Primary inductance: 2100 μH
Input voltage: 85 → 265 Veff
Primary reflected voltage: 90 → 120 V
P / S insulation voltage: ≥ 3750 V eff
Creepage path: ≥ 6 mm
Air temperature ≤ 50 °C
Ref. Myrra Max.
output
Secondary
Vmin - Vmax / Imax
Circuit
74094 5 W 3.3 → 6 V / 1 A with TNY264
  9 W 3.3 → 6 V / 1.5 A with TNY266
74095 5 W 9 → 15 V / 0.5 A with TNY264
  9 W 9 → 15 V / 0.8 A with TNY266

Standards

IEC 950, IEC 61558 for reinforced insulation

Open Frame - Laminated

PCB mounting mains transformers with a single 230Va.c. or twin 115Va.c. 50/60Hz primary winding. Independent secondary windings may be connected in series or parallel to give a wide range of output voltage and current options.

Double section metric bobbin construction
Full varnish impregnation

Technical specifications
VA regulation dimensions (mm)     pins (mm)   weight
nominal typ. (%) L L h* L Ø (kg)
3 20 38 35 30 5 1 0.14
6 25 43 36 33 5 1 0.18
12 12 54 45 41 5 1 0.4
* above the PCB
Specifications
Attribute Value
Secondary Voltage Rating 7.5 → 15V ac
Primary Voltage Rating 85 → 265V ac
Power Rating 4.2W
Number of Outputs 1
Mounting Type PCB Mount
Application Flyback
Inductance 2.1mH
Secondary Current 900mA
Length 18mm
Width 16mm
Depth 17.5mm
Dimensions 18 x 16 x 17.5mm
Maximum Operating Frequency 60Hz
Construction CEI335, CEI61558, CEI950
Maximum Temperature +60°C
Number of Phases 1
Core Type Laminated
Minimum Operating Frequency 50Hz
50 In stock for delivery within 5 working day(s)
Price (ex. GST) Each
$ 4.76
(exc. GST)
$ 5.24
(inc. GST)
units
Per unit
1 - 24
$4.76
25 - 49
$4.64
50 - 99
$4.41
100 - 249
$4.28
250 +
$4.18
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