PA38(55,56).00xNL Series Datasheet by Pulse Electronics Power

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High Frequency Wire Wound Transformers
EP13Plus Platforms - SMT PA3855/56.XXXNLT
Industry standard footprint, 30% more power
handling
Power Range: Up to 70W
Height: 14.0mm Max
Footprint: 17.7mm x 14.5mm Max
Topology: Forward and Flyback
Part Number Electrical Specifications @25°C – Operating Temperature -40°C to 130°C 1Schematic
PA3855.001NL
Pri. Inductance (1-3) 54uH +/- 10%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.67uH Max
DCR
(1-3) 62
mΩ Max
(9-6) 6.5
(10-7) 6.5
(4-5) 120
Hi-Pot Pri-Sec 2250 Vdc Flyback Transformer
K1 Factor 1125.0
PA3855.002NL
Pri. Inductance (1-3) 48uH +/- 10%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.67uH Max
DCR
(1-3) 62
mΩ Max
(9-6) 10
(10-7) 10
(4-5) 120
Hi-Pot Pri-Sec 2250 Vdc Flyback Transformer
K1 Factor 1000.0
PA3855.003NL
Pri. Inductance (1-3) 41uH +/- 10%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.67uH Max
DCR
(1-3) 62
mΩ Max
(9-6) 20
(10-7) 23
(4-5) 120
Hi-Pot Pri-Sec 2250 Vdc Flyback Transformer
K1 Factor 854.2
PA3855.004NL
Pri. Inductance (1-3) 21uH +/- 10%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.3uH Max
DCR
(1-3) 31
mΩ Max
(9-6) 10
(10-7) 10
(4-5) 180
Hi-Pot Pri-Sec 2250 Vdc Flyback Transformer
K1 Factor 538.5
81
31
5.33 1
12
4.33 1
13
2.67 1
11
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High Frequency Wire Wound Transformers
EP13Plus Platforms - SMT PA3855/56.XXXNLT
Part Number Electrical Specifications @25°C – Operating Temperature -40°C to 130°C 1Schematic
PA3855.005NL
Pri. Inductance (1-3) 21uH +/- 10%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.3uH Max
DCR
(1-3) 31
mΩ Max
(9-6) 14
(10-7) 14
(4-5) 180
Hi-Pot Pri-Sec 2250 Vdc Flyback Transformer
K1 Factor 583.3
PA3855.006NL
Pri. Inductance (1-3) 21uH +/- 10%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.3uH Max
DCR
(1-3) 31
mΩ Max
(9-6) 58
(10-7) 58
(4-5) 180
Hi-Pot Pri-Sec 2250 Vdc Flyback Transformer
K1 Factor 583.3
PA3855.008NL
Pri. Inductance (6-9) 2.5uH +/- 10%
Lk. Inductance (6-9 w/
(1,2,3,5) shorted 0.2uH Max
DCR
(1-2) 80
mΩ Max(3-5) 100
(6,7-9,10) 9
Hi-Pot Pri-Sec 2250 Vdc Flyback Transformer
K1 Factor 208.3
PA3856.001NL
Pri. Inductance (1-3) 100 uH +/- 15%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.4uH Max
DCR
(1-3) 29.4
mΩ Max
(9-6) 6.5
(10-7) 6.5
(4-5) 120
Hi-Pot Pri-Sec 2250 Vdc Forward Transformer
K1 Factor 27.8
PA3856.002N
Pri. Inductance (1-3) 100uH +/- 15%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.4uH Max
DCR
(1-3) 29.4
mΩ Max
(9-6) 10
(10-7) 10
(4-5) 120
Hi-Pot Pri-Sec 2250 Vdc Forward Transformer
K1 Factor 27.8
31
2.25 1
1.33 1
10.89
61
31
41
21
0.25
0.25
1
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High Frequency Wire Wound Transformers
EP13Plus Platforms - SMT PA3855/56.XXXNLT
Part Number Electrical Specifications @25°C – Operating Temperature -40°C to 130°C 1Schematic
PA3856.003NL
Pri. Inductance (1-3) 100uH +/- 15%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.4uH Max
DCR
(1-3) 29.4
mΩ Max
(9-6) 31.6
(10-7) 36
(4-5) 120
Hi-Pot Pri-Sec 2250 Vdc Forward Transformer
K1 Factor 27.8
PA3856.004NL
Pri. Inductance (1-3) 128uH +/- 25%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.15uH Max
DCR
(1-3) 17.6
mΩ Max
(9-6) 14.4
(10-7) 17
(4-5) 410
Hi-Pot Pri-Sec 2250 Vdc Forward Transformer
K1 Factor 41.7
PA3856.005NL
Pri. Inductance (1-3) 128uH +/- 15%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.15uH Max
DCR
(1-3) 17.6
mΩ Max
(9-6) 31.6
(10-7) 36
(4-5) 410
Hi-Pot Pri-Sec 2250 Vdc Forward Transformer
K1 Factor 41.7
PA3856.006NL
Pri. Inductance (1-3) 128uH +/- 15%
Lk. Inductance (1-3) w/
(10,9,6,7,4,5) shorted 0.15uH Max
DCR
(1-3) 17.6
mΩ Max
(9-6) 105.6
(10-7) 122
(4-5) 426
Hi-Pot Pri-Sec 2250 Vdc Forward Transformer
K1 Factor 41.7
PA3856.007NL
Pri. Inductance (1-2) 200uH +/- 25%
Lk. Inductance (1-2) w/
(7,8,9,10) shorted 0.36uH Max
DCR
(1-2) 60
mΩ Max
(3-4) 75
(8-7) 90
(10-9) 90
Hi-Pot Pri-Sec 2250 Vdc Forward Transformer
K1 Factor 33.3
1.14 1
21
0.47 1
0.82 1
1.6 1
1.2 1
1.71 1
0.86 1
0.91
0.91
1
1
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High Frequency Wire Wound Transformers
EP13Plus Platforms - SMT PA3855/56.XXXNLT
PM2160.XXXNL
Mechanical
PART NUMBER
1. The temperature of the component (ambient plus temperature rise) must be within the
stated operating temperature range.
2. For flyback topology applications, it is necessary to ensure that the transformer will not
saturate in the application. The peak flux density (Bpk) should remain below 2700Gauss.
To calculate the peak flux density use the following formula:
Bpk (Gauss) = K1_Factor * Ipk(A)
3. In high volt-μsec applications, it is important to calculate the core loss of the trans-
former. Approximate transformer core loss can be calculated as:
CoreLoss (W) = 3.84E-14 * (Freq_kHz)1.63 * (ΔB_Gauss)2.63
where ΔB can be calculated as:
For Flyback Topology: ΔB = K1_Factor * ΔI(A)
For Forward Topology: ΔB = K1_Factor * Volt-μsec
4. The standard pin-numbering for this package is indicated in the below mechanical
drawing showing pin 1 on the lower right corner and the numbers proceeding clockwise
to pin 10 on the upper right corner.
5. Optional Tape & Reel packaging can be ordered by adding a “T” suffix to the part num-
ber (i.e. (PA2160.001NL becomes PA2160.001NLT). Pulse complies with industry standard
tape and reel specification EIA481.
Notes:
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High Frequency Wire Wound Transformers
EP13Plus Platforms - SMT PA3855/56.XXXNLT
Pulse Worldwide
Headquarters
15255 Innovation Drive Ste 100
San Diego, CA 92128
U.S.A.
Tel: 858 674 8100
Fax: 858 674 8262
Pulse Europe
Pulse Electronics GmbH
Am Rottland 12
58540 Meinerzhagen
Germany
Tel: 49 2354 777 100
Fax: 49 2354 777 168
Pulse China Headquarters
Pulse Electronics (ShenZhen) CO., LTD
D708, Shenzhen Academy of
Aerospace Technology,
The 10th Keji South Road,
Nanshan District, Shenzhen,
P.R. China 518057
Tel: 86 755 33966678
Fax: 86 755 33966700
Pulse North China
Room 2704/2705
Super Ocean Finance Ctr.
2067 Yan An Road West
Shanghai 200336
China
Tel: 86 21 62787060
Fax: 86 2162786973
Pulse South Asia
3 Fraser Street
0428 DUO Tower
Singapore 189352
Tel: 65 6287 8998
Fax: 65 6280 0080
Pulse North Asia
1F., No.111 Xiyuan Rd
Zhongli City
Taoyuan City 32057
Taiwan (R.O.C)
Tel: 886 3 4356768
Fax: 886 3 4356820
For More Information
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may
be trademarks or registered trademarks of their respective owners. © Copyright, 2020. Pulse Electronics, Inc. All rights reserved.
SURFACE MOUNTING TYPE, REEL/TAPE LIST
PART NUMBER REEL SIZE (mm) TAPE SIZE (mm) QTY
A G P1W K0PCS/REEL
PA3855/56.XXXNLT Ø330 32.4 24 32 13.2 130
TAPE & REEL INFO
P
W
K01
A
G
Direction of tape
Marking
Marking

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