Ningbo Wanji Electronic Science & Technology Co.,Ltd.

Products

	Toroidal Transformer

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Model Number

TDB series

Categories: TDB annular transformer series
product number： 012
product name： Annular transformer
clicks: 3 times
description： 1. Widely used
2. Safe and reliabe
3. Double primary/double junior
4. Small and light
5. Idle, low consumption
6. Low noise
7. Low magnet leakage
8. Less temperature rising
9. High efficiency
10. Competitive price
11. Easy to install
Model Adjustment Rate Outer Diameter Height Weight Temperature Rising
TDB-15 13.70% 66mm 30mm 0.35kg 30 deg c
TDB-25 13.00% 71mm 31.5mm 0.5kg 40 deg c
TDB-30 13.70% 71mm 31.5mm 0.5kg 43 deg c
TDB-40 11.10% 80mm 33mm 0.76kg 45 deg c
TDB-50 11.80% 80mm 33mm 0.76kg 48 deg c
TDB-60 11.10% 87mm 33mm 0.825kg 49 deg c
TDB-63 11.10% 87mm 33mm 0.825kg 49 deg c
TDB-80 9.80% 87mm 45mm 0.95kg 51 deg c
TDB-100 8.00% 87mm 45mm 1.25kg 51 deg c
TDB-120 10.00% 92mm 45mm 1.5kg 53 deg c
TDB-166 7.00% 103mm 45mm 1.75kg 54 deg c
TDB-225 7.00% 113mm 53mm 2.3kg 54 deg c
TDB-236 6.80% 113mm 53mm 2.3kg 54 deg c
TDB-250 6.50% 113mm 53mm 2.45kg 53 deg c
TDB-300 6.40% 124mm 55mm 2.75kg 52 deg c
TDB-330 6.40% 126mm 56mm 2.95kg 52 deg c
TDB-500 5.00% 135mm 58mm 4.6kg 53 deg c
TDB-625 4.50% 146mm 68mm 5.2kg 55 deg c
TDB-800 4.40% 170mm 60mm 6.3kg 55 deg c
TDB-1000 4.00% 174mm 70mm 7.80kg 56 deg c

115/230 primary &120/240primary annular transformer series 25VA~50000VA

Primary 115V+115V AC 50/60Hz & 120V+120V AC 50/60Hz
Junior As customer's need
Label C CE and UL sign, manufacturer name
Manufacture standard UL506， UL1411， IEC61558 EN61558和EN60950
Insulation grade B级130°C
Primary-iron core Mylar band or glass fibre band 1/2 serried bundling one layer
Junior 1/2-3/4 serried bundling three layers Mylar band
Girdle paper Yellow, white, green, blue 130°C glue band
Terminal insulation 1/2 serried bundling one layer Mylar band
Insulation intensity ≤5mA Primary-junior 4KV AC 60sec., current leakage≤5mA
Installation fittings One metal round plate band, two rubber mats, one set of screw and bolt
Weight&size For your reference, but within +/-3% tolerance
All down-lead UL down-lead, 6mm peeled and immerged tin at the end

30°C disposable melting-temperature fuse and 105-150°C switch can be fixed into the transformer as customer's need;
Accept customer's order;
Parameters can be adjusted without notice;
Reserve copyright.