1 Output 4.5 → 6W Flyback SMPS Transformer, 85 → 265V ac, 3.3 → 6V ac

  • RS Stock No. 418-5486
  • Mfr. Part No. 74001
  • Manufacturer Myrra
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): FR
Product Details

Switch mode power transformers format E16 & EL19, 1 W → 16 W

Transformers forming the core of a switch mode power supply, in association with a specialist circuit (VIPer, TOPSwitch, CoolSet, or control circuit + Mosfet).
The secondaries can be connected in series.
Materials comply with UL94-V0.

Technical specifications
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
Dimensions (mm):  
  E16: 18 x 16 x 17.5
  E19: 21 x 17 x 31
ref. Myrra Format Primary inductance Associated integrated circuits
7400 E16 3900 μH TOP221, VIPer20
74001 E16 3000 μH TOP221, VIPer20, TDA716831
74002 E16 3000 μH TOP221, VIPer20, TDA716831
74003 E16 3000 μH TOP221, VIPer20, TDA716831
74010 E16 1660 μH TOP222, VIPer20, TDA716831
74020 EL19 1250 μH VIPer20, VIPer50,TDA716832
74021 EL19 900 μH TOP223, VIPer20, TDA716832
ref. Myrra Max.
output
Secondary 1
Vmin - Vmax / Imax
Secondary 2
Vmin - Vmax / Imax
74000 4 W 3.3 → 7 V / 1.2 A 8 → 17 V / 0.35 A
74001 6 W 3 → 6 V / 1.2 A -
74002 6 W 9 → 18 V / 0.5 A -
74003 6 W 2 → 4 V / 1.8 A 3 → 6 V / 1.2 A
74010 10 W 3.3 → 7 V / 2 A 8 →17 V / 0.85 A
74020 16 W 4 → 7 V / 3 A 10 → 17 V / 1.4 A
74021 16 W 3.3 → 7 V / 3 A 8 → 16.5 V / 1.4 A

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 3.3 → 6V ac
Primary Voltage Rating 85 → 265V ac
Power Rating 4.5 → 6W
Number of Outputs 1
Mounting Type Through Hole
Application Flyback
Secondary Current 1.2A
Termination Type Pin
Length 18mm
Width 17.5mm
Depth 16mm
Dimensions 18 x 17.5 x 16mm
Maximum Operating Frequency 70kHz
Maximum Temperature +50°C
Number of Phases 1
Construction CEI335, CEI61558, CEI950
77 In stock for delivery within 5 working day(s)
Price (ex. GST) Each
$ 4.50
(exc. GST)
$ 4.95
(inc. GST)
units
Per unit
1 - 24
$4.50
25 - 49
$4.40
50 - 99
$4.18
100 - 249
$4.06
250 +
$3.96
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