Model:D4721

Characteristics:

Direct substitute for foreign similar product

Work frequency is 15KHz-200KHz

Dielectric strength is 3500V/1min

Purpose: Driver for IGBT ,MOS tube and high-frequency signal transmission isolation

Table of technical parameters
Model	Transform ation ratio n	Volt microsecond integral ∫u2dt μVs	Primary inductance Lp mH	Leakage inductance Ls pH	Electrostatic capacity Ck PF	Operating voltage Uis V	Dielectric strength Vp kV	Direct current Resistance DC Ω
D4721-111	1:1:1	250	>0.85	28	6	750	3KV/2s	0.7/0.8/0.9
D4721-311	3:1:1	250	>7.6	68	5.5	500	3.1KV/2s	4.4/1.3/1.3
D4721-101	1:1	250	>0.85	70	110	500	3.5KV/2s	0.7/0.8
D4721-201	2:1	250	>3.9	75	8	500	3.5KV/2s	2.3/1.1
D4721-301	3:1	250	>7.6	70	500	500	3.5KV/2s	3.1/1.0