Dongguan Hongheng Electronic Technology Co., Ltd.

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

	POE70PR-50ED	16.9	17.7	14.0	14.5	13.5	14.0	100.00uH	30.00mΩ	15.00	70.00	view		Request
	POE38PR-12ED	16.9	17.7	14.0	14.5	13.5	14.0	0.13mH	17.60mΩ	15.00	38.00	view		Request
	POE72PR-12ED	16.9	17.7	14.0	14.5	13.5	14.0	100.00uH	38.00mΩ	15.00	72.00	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
	(LLC)EF2012P	19.2	20.0	19.2	20.0	12.1	12.6	0.16mH	96.60mΩ	15.00	50.00	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
	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
	EQ3319-SM240S12	40.0	41.5	32.5	34.0	19.2	20.0	0.24mH	0.16Ω	100.00	240.00	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：POE70PR-50ED

Product description：POE70PR

Product Introduction：

• Forward transformers for PoE(Power over Ethernet) up to 72 Watts.

• Operates in condition model with 9V~57V input.

• Very low power loss ferrite core used, operation frequency up to 500kHz.

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

• Dual outputs can be configured as one single higher power output.

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

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

• NT Weight: 7.1~8.0g.

• Packing: 13″ machine-ready reel. EIA-481 embossed plastic tape.

• Packing Qty: 150 parts per full reel.

• RoHS Compliant.

Product parameters

Product name POE70PR-50ED

L（mm） 16.90 ~ 17.70

W（mm） 14.00 ~ 14.50

H（mm） 13.50 ~ 14.00

Inductance（uH） 100.00

*within（%） 15%

DCR（mΩ） 30.00

Power(W) 15

Weight(g)

MPQ（pcs） 150

LT（days） 30

Origin China

Environmental regulations RoHs

Data table POE33,POE35,POE38,POE53,POE70,POE72

Product name：POE38PR-12ED

Product description：POE38PR

Product Introduction：

• Forward transformers for PoE(Power over Ethernet) up to 72 Watts.

• Operates in condition model with 9V~57V input.

• Very low power loss ferrite core used, operation frequency up to 500kHz.

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

• Dual outputs can be configured as one single higher power output.

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

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

• NT Weight: 7.1~8.0g.

• Packing: 13″ machine-ready reel. EIA-481 embossed plastic tape.

• Packing Qty: 150 parts per full reel.

• RoHS Compliant.

Product parameters

Product name POE38PR-12ED

L（mm） 16.90 ~ 17.70

W（mm） 14.00 ~ 14.50

H（mm） 13.50 ~ 14.00

Inductance（uH） 128.00

*within（%） 15%

DCR（mΩ） 17.60

Power(W) 15

Weight(g)

MPQ（pcs） 150

LT（days） 30

Origin China

Environmental regulations RoHs

Data table POE33,POE35,POE38,POE53,POE70,POE72

Product name：POE72PR-12ED

Product description：POE72PR

Product Introduction：

• Forward transformers for PoE(Power over Ethernet) up to 72 Watts.

• Operates in condition model with 9V~57V input.

• Very low power loss ferrite core used, operation frequency up to 500kHz.

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

• Dual outputs can be configured as one single higher power output.

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

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

• NT Weight: 7.1~8.0g.

• Packing: 13″ machine-ready reel. EIA-481 embossed plastic tape.

• Packing Qty: 150 parts per full reel.

• RoHS Compliant.

Product parameters

Product name POE72PR-12ED

L（mm） 16.90 ~ 17.70

W（mm） 14.00 ~ 14.50

H（mm） 13.50 ~ 14.00

Inductance（uH） 100.00

*within（%） 15%

DCR（mΩ） 38.00

Power(W) 15

Weight(g)

MPQ（pcs） 150

LT（days） 30

Origin China

Environmental regulations RoHs

Data table POE33,POE35,POE38,POE53,POE70,POE72

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：(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：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：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

Product name：EQ3319-SM240S12

Product description：EQ3319

Product Introduction：

• Designed for AC/DC transformer suppliers or controllers for the application of output up to 250Watts.

• 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-SM240S12

L（mm） 40.00 ~ 41.50

W（mm） 32.50 ~ 34.00

H（mm） 19.20 ~ 20.00

Inductance（uH） 240.00

*within（%） 8%

DCR（mΩ） 163.30

Power(W) 100

Weight(g)

MPQ（pcs） 200

LT（days） 35

Origin China

Environmental regulations RoHs

Data table EQ3319 SM240S12