Emei Group

Untitled Document

Inductive Components

3. Audio Transformer

Feature

Excellent anti-interference capability, small distributed capability, high impedance, low magnetic leakage, low loss.

Part Number		ED8P4H1S-00	EL16P4H8S-00	EL16P4H40-00	EL16P4H3- 00	EE19P4M25-00	EL16P4H20-00
FIGURE		FIG-1	FIG-3	FIG-2	FIG-4	FIG-5	FIG-6
SPECIFICATIONS		14.4 Kbps	56 Kbps	56 Kbps	56 Kbps	2.4 Kbps	56 Kbps
IMPEDANCE (PRI. & SEC.)		600 OHMS EACH (REF.)	600 OHMS EACH (REF.)	600 OHMS EACH (REF.)	600 OHMS EACH (REF.)	600 OHMS EACH (REF.)	600 OHMS EACH (REF.)
DESIGNED TO REFLECT @ 1KHz., 1Vrms		600OHMS±3% ON PRI. WITH 301 OHMS LOAD ON SEC.	600OHMS±3% ON PRI. WITH 301 OHMS LOAD ON SEC.	600OHMS±3% ON PRI. WITH 301 OHMS LOAD ON SEC.	600OHMS±3% ON PRI. WITH 530 OHMS LOAD ON SEC.	600OHMS±3% ON PRI. WITH 520 OHMS LOAD ON SEC.	600OHMS±3% ON PRI. WITH 301 OHMS LOAD ON SEC.
D.C. RESISTANCE	PRI.	150 OHMS +/- 10%	155 OHMS +/- 10% @ 20 C	150 OHMS +/- 10% @ 20 C	43 OHMS +/- 10% @ 20 C	145 OHMS +/- 15% @ 20 C	150 OHMS +/- 10% @ 20 C
D.C. RESISTANCE	SEC	150 OHMS +/- 10%	155 OHMS +/- 10%	150 OHMS +/- 10%	43 OHMS +/- 10%	105 OHMS +/- 15%	150 OHMS +/- 10%
TURN RATIO (PRI. : SEC)		1 : 1 +/- 2%	1 : 1 +/- 2%	1 : 1 +/- 2%	1 : 1 +/- 2%	0.958 : 1 +/- 2%	1 : 1 +/- 2%
INDUCTANCE		1 H MIN. @ 1KHz., 1Vrms ON SERIES	8 H TYP. @ 250Hz.,1Vrms ON PARALLEL	40 H MIN. (TYP. 46 H) @ 250Hz., 1Vrms IN PARALLEL	3 H MIN. @ 200Hz.,1Vrms ON PARALLEL	25mH MIN. @ 1KHz. 1Vrms. ON SERIES	20 H MIN. (TYP. 30 H) @ 250Hz., 1Vrms IN PARALLEL
INSERTION LOSS		3.3dB MAX @ 1KHz	3.0dB MAX @ 1KHz., 1Vrms	3.0dB MAX @ 1KHz., 0dBm	1.0dB MAX @ 1KHz.	1.5dB MAX @ 1KHz.	2.8dB MAX @ 1KHz., 1Vrms.
FREQUENCY RESPONSE		+/- 0.15dB, 300Hz. – 3.5KHz.	+/- 0.10dB, 200Hz. – 10KHz.	+/- 0.2dB, 200Hz. – 4KHz	+/- 0.2dB, 200Hz. – 4KHz	+/- 1.8dB, 300Hz. – 3.5KHz., 0dBm, 80mADC	+/- 0.2dB, 200Hz. – 4KHz
RETURN LOSS		25dB MIN. @ 300Hz. – 3.5KHz	30dB MIN. @ 200Hz. – 4KHz.	32dB MIN. @ 200Hz. - 4KHz	25dB MIN. @ 200Hz. - 4KHz.	10dB MIN., 300Hz	35dB MIN., 300Hz
TOTAL HARMONIC DISTORTION		-76dB MAX. @ 600Hz., -10dBm	-82 dB MAX. @ 600Hz., -10dBm	-84dB MAX. @ 600Hz., -10dBm	-80dB MAX. @ 600Hz., -10dBm	-80dB MAX. @ 600Hz., -10dBm	-84dB MAX. @ 600Hz., -10dBm
LONGITUDINAL BALANCE		60dB MIN., 200Hz. – 1KHz.	65dB MIN. @ 200Hz. – 4KHz	80dB MIN., 200Hz. – 4KHz.	60dB MIN., 200Hz. – 1KHz.	60dB, 60Hz – 1KHz	60dB MIN., 200Hz. – 1KHz
LONGITUDINAL BALANCE		40dB MIN., 1KHz. – 4KHz.	-----	-----	40dB MIN., 1KHz. – 4KHz.	40dB, 1KHz – 4KHz	40dB MIN., 1KHz. – 4KHz.
HI-POT TEST		1.25 KVAC MIN	1.25 KVAC MIN	1.25 KVAC MIN	1.25 KVAC MIN.	3.75 KVAC MIN.	1.25 KVAC MIN.