Dongguan Hongheng Electronic Technology Co., Ltd.

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Please enter at least 3 of the following parameters below for quick query

Dimension L(mm)
Dimension W(mm)
Dimension H(mm)
Inductance（uH）
DCR（mΩ）
Power（W）

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Images	Product name	Dimension（mm）						Inductance	DCR	Power:(W)		Details	PDF	Sample
		Low	High	Low	High	Low	High	Parameter	High	Low	High

	EQ3319-H350S56	38.5	40.0	32.5	34.0	19.2	20.0	0.36mH	0.16Ω	100.00	350.00	view		Request
	P33G-220626	33.5	35.0	33.0	34.5	16.2	17.0	0.42mH	0.27Ω	200.00	265.00	view		Request
	EF20-68L255	24.3	25.1	19.9	20.7	15.3	16.1	18.00uH	62.20mΩ	5.00	15.00	view		Request
	(LLC)EF2012P	19.2	20.0	19.2	20.0	12.1	12.6	0.16mH	96.60mΩ	15.00	50.00	view		Request
	ATQ2818-W150	27.7	28.5	17.2	18.0	26.2	27.0	0.17mH	0.19Ω	100.00	150.00	view		Request
	E55-DC24Vt-AC400V/2.5A	55.5	57.0	55.5	57.0	43.5	45.0	23.20uH		800.00	1000.00	view		Request
	EE55-3500W-220	59.0	62.0	58.0	61.0	60.0	65.0	64.00mH	41.80mΩ	3.00	3500.00	view		Request
	EE33W-300W-12-220	31.5	34.5	27.5	30.5	25.0	28.0	16.00mH	0.34Ω	250.00	350.00	view		Request

Honghengda Product Catalog

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Company website：https://www.coils-hhd.com

(86)18002889308, sales@coils-hhd.com

Room 308, No. 73, Changma Road, Changping Town, Dongguan City, Guangdong Province,China

(86)18002889308

(86)18098212398

(852)64885386

sales@coils-hhd.com

info@coils-hhd.com

david@coils-hhd.com

Product Center: Inductor; Filter; Transformer; Toroidal Coil; Patented Product; More Products +

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About: Company Profile; Social responsibility; New product application; Invention and Innovation; Investment/Cooperation

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Product name：EQ3319-H350S56

Product description：EQ3319

Product Introduction：

• Designed for AC/DC transformer suppliers or controllers for the application of output up to 350Watts.

• Aux. and Flyback available.

• Operates in condition model with wide inputvoltage from 90 to 264Vac.

• Ferrite core with very low power loss used, good performance in frequency range up to 500kHz.

• Very low DC resistance and powerloss.

• 3000Vrms,one minutes isolation between Primary and Secondary.

• 20.0mm Max. height only.

• Operating temperature range: -40℃ to +155℃(Including coil temperature rise due to self-generated heat).

• Storage temperature range: -20℃ to +85℃.

• RoHS Compliant.

Product parameters

Product name EQ3319-H350S56

L（mm） 38.50 ~ 40.00

W（mm） 32.50 ~ 34.00

H（mm） 19.20 ~ 20.00

Inductance（uH） 365.00

*within（%） 8%

DCR（mΩ） 156.60

Power(W) 100

Weight(g)

MPQ（pcs） 200

LT（days） 35

Origin China

Environmental regulations RoHs

Data table EQ3319 H350S56

Product name：P33G-220626

Product description：P33G

Product Introduction：

• Designed for AC/DC Transformer suppliers or controllers for the application of 12V/22.1A (265 Watts).

• Operates in condition model with 200 to 240Vac input.

• Output: Second with DC12V/20A up to 22.1A ( 265W Max.).

• Aux. and Flyback available;

• Ferrite core with very low power loss used, good performance in frequency range up to 400kHz.

• Very low DC resistance and power loss.

• 3000Vrms,one minutes isolation between Primary and Secondary.

• 17.0mm Max. height only.

• NT Weight: 48g.

• Operating temperature range: -40℃ to +155℃(Including coil temperature rise due to self-generated heat).

• Storage temperature range: -20℃ to +85℃.

• RoHS Compliant.

Product parameters

Product name P33G-220626

L（mm） 33.50 ~ 35.00

W（mm） 33.00 ~ 34.50

H（mm） 16.20 ~ 17.00

Inductance（uH） 420.00

*within（%） 6%

DCR（mΩ） 265.60

Power(W) 200

Weight(g)

MPQ（pcs） 60

LT（days） 35

Origin China

Environmental regulations RoHs

Data table P33G-220626

Product name：EF20-68L255

Product description：EF20

Product Introduction：

• EF20-5W-Input5-50V-0.66A.

• Ferrite core with very low power loss used, good performance in frequency range up to 400kHz.

• 1000Vrms,one minutes isolation between Primary and Secondary.

• Operating temperature range: -40℃ to +155℃(Including coil temperature rise due to self-generated heat).

• Storage temperature range: -20℃ to +85℃.

• RoHS Compliant.

Product parameters

Product name EF20-68L255

L（mm） 24.30 ~ 25.10

W（mm） 19.90 ~ 20.70

H（mm） 15.30 ~ 16.10

Inductance（uH） 18.00

*within（%） 10%

DCR（mΩ） 62.20

Power(W) 5

Weight(g)

MPQ（pcs） 672

LT（days） 35

Origin China

Environmental regulations RoHs

Data table EF20-68L255

Product name：(LLC)EF2012P

Product description：(LLC)EF2012P

Product Introduction：

• Designed for LLC transformer with integrated resonant inductor. Turns ratio: Pri.: Sec.-Sec.=1: 0.0909:0.0909.

• Pri.inductance: 160uH/2A Max.. Sec. inductance: 1.32 uH/11A Max.

• 1500Vrms,one minutes isolation between Primary and Secondary.

• Very low power lose of core used , operation frequency up to 500kHz.

• Low height with 12.6 mm Max. only.

• Storage temperature range: -20℃ to +85℃.

• Operating temperature range: -40℃ to +125℃(Including coil temperature rise due to self-generated heat).

• RoHS Compliant.

Product parameters

Product name (LLC)EF2012P

L（mm） 19.20 ~ 20.00

W（mm） 19.20 ~ 20.00

H（mm） 12.10 ~ 12.60

Inductance（uH） 160.00

*within（%） 15%

DCR（mΩ） 96.60

Power(W) 15

Weight(g)

MPQ（pcs） 200

LT（days） 35

Origin China

Environmental regulations RoHs

Data table (LLC)EF2012P

Product name：ATQ2818-W150

Product description：ATQ2818

Product Introduction：

• Designed for the application of 120-150 Watts transformer with very smart size. Turns ratio Pri.:Sec.:Aux: = 28:5:4(±3%).

• Input AC88~64V, output 16.5V/7.3~9.1A (150Watts Max.).

• Very low power lose of core used , operation frequency up to 400kHz.

• 3000Vrms,one minutes isolation between Primary and Secondary.

• Storage temperature range: -20℃ to +85℃.

• Operating temperature range: -40℃ to +125℃ (Including coil temperature rise due to self-generated heat).

• RoHS Compliant .

Product parameters

Product name ATQ2818-W150

L（mm） 27.70 ~ 28.50

W（mm） 17.20 ~ 18.00

H（mm） 26.20 ~ 27.00

Inductance（uH） 175.00

*within（%） 8%

DCR（mΩ） 189.00

Power(W) 100

Weight(g)

MPQ（pcs） 250

LT（days） 35

Origin China

Environmental regulations RoHs

Data table ATQ2818-W150

Product name：E55-DC24Vt-AC400V/2.5A

Product description：E55

Product Introduction：

• Nominal input voltage: 24Vdc.

• Maximum input voltage: 28Vdc.

• Minimum input voltage: 20Vdc.

• RMS input current: 41A.

• Nominal output voltage: 350Vac.

• Output current: 2.86A.

• Switching frequency: 100kHz.

• Efficiency: 98%.

• Regulation: 0.05%.

• Maximum operating flux density: 0.05T.

• Window utilization 0.3.

• Duty cycle: 0.45.

• Temperature rise: 35℃.

• Weight: 292g.

• Leakage inductance : 0.3% Nom.

• Operating temperature range: -40℃ to +155℃(Including coil temperature rise due to self-generated heat).

• Storage temperature range: -20℃ to +85℃.

• RoHS Compliant.

Product parameters

Product name E55-DC24Vt-AC400V/2.5A

L（mm） 55.50 ~ 57.00

W（mm） 55.50 ~ 57.00

H（mm） 43.50 ~ 45.00

Inductance（uH） 23.20

*within（%） 15%

DCR（mΩ）

Power(W) 800

Weight(g) 295.0

MPQ（pcs） 50

LT（days） 45

Origin China

Environmental regulations RoHs

Data table E55-DC24V-AC400V/2.5A

Product name：EE55-3500W-220

Product description：EE55

Product Introduction：

• Our company has launched a high-power up to 3500W inverter transformer. Attached are the main performance parameters with dimensions, product- photo, and application circuit diagrams. For inquiries, sample requests, or any other assistance needed, please feel free to contact us at the following email address: sales@coils-hhd.com rd@coils-hhd.com 本公司推出一款3500Ｗ的大功率逆变变压器，并附上外形尺寸主要性能参数、实物拍照、以及应用回路图。询价、样品申请及任何其它需要协助的事项，欢迎联络至以下邮箱: sales@coils-hhd.com rd@coils-hhd.com

Product parameters

Product name EE55-3500W-220

L（mm） 59.00 ~ 62.00

W（mm） 58.00 ~ 61.00

H（mm） 60.00 ~ 65.00

Inductance（uH） 64000.00

*within（%） Min.

DCR（mΩ） 41.80

Power(W) 3

Weight(g) 516.0

MPQ（pcs） 40

LT（days） 35

Origin China

Environmental regulations RoHs

Data table EE55-3500W-220

Product name：EE33W-300W-12-220

Product description：EE33W

Product Introduction：

• Our company has launched a mini inverter transformer(EE33W-300W-12-220) with a power of 300W, along with its external dimensions, main performance parameters, and application circuit diagram. For inquiries, sample requests, or any other assistance needed, please feel free to contact us at the following email address: sales@coils-hhd.com rd@coils-hhd.com 本公司推出一款功率为300Ｗ的迷你型逆变变压器(EE33W-300W-12-220),并附上外形尺寸、主要性能参数、以及应用回路图。询价、样品申请及任何其它需要协助的事项，欢迎联络至以下邮箱: sales@coils-hhd.com rd@coils-hhd.com

Product parameters

Product name EE33W-300W-12-220

L（mm） 31.50 ~ 34.50

W（mm） 27.50 ~ 30.50

H（mm） 25.00 ~ 28.00

Inductance（uH） 16000.00

*within（%） Min.

DCR（mΩ） 336.60

Power(W) 250

Weight(g) 62.0

MPQ（pcs） 300

LT（days） 35

Origin China

Environmental regulations RoHs

Data table EE33W-300W-12-220