HIGH FREQUENCY CONVENTIONAL
WOUND TRANSFORMERS
EFD Platforms - EFD15, EFD20 and EFD25
Transformers and Inductors
Power:
30W to 180W
Three Different Platforms:
THT and SMT
Low Profile Platforms:
8.4mm to 13.5mm
Custom designs available
Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C
TRANSFORMERS
Part
6,7
Number
Application
2
Pri.
Turns Ratio
Sec. Pri. Aux.
Primary
Secondary
Isolation
Primary
Inductance
(µH MIN)
Leakage
Inductance
(µH MAX)
Pri.
Pri.
Aux.
DCR
(mΩ MAX)
Sec.
Sec.
A
B
EFD 15 P
LATFORMS
- U
P TO
30W
EFD 15 - 10 P
IN
SMT - (21.6
MM X
16.3
MM X
8.4
MM
)
15W Flyback Transformer
PB2187NL
Vin=36-75v, Freq.=225kHz
24
Vout=12v/1.7A, 15v/20mA
EFD 15 - 12 P
IN
SMT - (22.2
MM X
17.2
MM X
8.4
MM
)
15W Flyback Transformer
PA0476NL
Vin=18-72v, Freq.=500kHz
16
Vout=5v/3A, 10v/20mA
15W Flyback Transformer
PA0691NL
Vin=30-57v, Freq.=100kHz
52
Vout=3.3v/3A, 5.6v/10mA10v/20mA
15W Flyback Transformer
PA1039NL
50
Vin=29-59v, Freq.=100kHz
Vout=5v/2A, 7.5v/10mA10v/20mA
20W Forward Transformer
PA1067NL
12
Vin=34-75v, Freq.=555kHz
Vout=3.3v/6A, 12v/25mA
EFD 20 - 8 P
IN
THT - (21.0
MM X
21.0
MM X
13.0
MM
)
80W Forward Transformer
14
Vin=30-57v, Freq.=250kHz
Vout=12v/5A, -12v/1.6A, 12v/0.1A
EFD 20 - 10 P
IN
SMT - (26.2
MM X
21.8
MM X
10.4
MM
)
30W Flyback Transformer
PB2003NL
Vin=36-72v, Freq.=300kHz
16
Vout=5v/6A, 15v/0.1A
EFD 20 - 12 P
IN
SMT - (29.2
MM X
21.8
MM X
11.4
MM
)
50W Forward Transformer
PA0273NL
Vin=36-72v, Freq.=250kHz
16
Vout=12v/4.5A, 12v/0.1A
13W Flyback Transformer
PA0751NL
Vin=25-75v, Freq.=250kHz
26
Vout=3.3v/4.5A, 15v/0.1A
100W Forward Transformer
PA0769NL
Vin=36-75v, Freq.=250kHz
15
Vout=±12v/2.1A, 5v/9A
45W Forward Transformer
PA1066NL
Vin=30-75v, Freq.=550kHz
11
Vout=±5v/4.5A, 12v/20mA
48W Forward Transformer
PB2041NL
Vin=36-75v, Freq.=230kHz
10 + 10
Vout=12v/3A, -12v/1A
33W Forward Transformer
PB2089NL
Vin=36-72v, Freq.=250kHz
13
Vout=3.3v/10A, 2.2v/0.05A
12W Flyback Transformer
PB2134NL
Vin=36-57v, Freq.=200kHz
32
Vout=3.3v/3.5A, 12v/0.1A
PA1040NL
7&7
7
1500Vdc
Operational
154
2
45
80
15
24
1500Vrms
Operational
38
@ 2.2A
12
16
0.6
190
410
50
N/A
3
8&
14
10 &
15
3
7
26
500Vrms
Operational
500Vdc
Operational
500Vdc
Operational
500Vrms
35.5
146
@ 1.2A
137.5
@ 1.2A
79
0.15
2.4
2.0
1
23.5
600
500
87
2000
1300
8
20
(3.3v)
25
6
N/A
720
(5.6v)
760
N/A
22
10 &
12 (reset)
70 70 & 70
(reset)
EFD 20 P
LATFORMS
- U
P TO
80W
2
7
1500Vrms
Operational
29.2
@ 3.0A
1.7
75
75
4.5
N/A
10
6
7&7
&3
4&4
12
& 12
3&2
4
10
18
5
9 & 11
(reset)
N/A
13
(reset)
15
1500Vrms
Basic
700Vdc
Operational
1500Vdc
Operational
500Vrms
1500Vrms
Basic
1500Vrms
Basic
1800Vdc
Operational
230
99
74
93
324
141
195
@ 1.0A
0.35
2
1.5
1
1
1
5
65
85
50
35
82
31
200
240
300
110
100
N/A
923
215
27
12
35 & 35
(±12v)
15 & 15
30.8
(+12v)
N/A
N/A
3.8
(5v)
N/A
86.4
(-12v Sec)
5.5
112
(3.3v Sec) (2.2v Sec)
12
N/A
(Transformers continued on next page)
USA 858 674 8100
•
Germany 49 7032 7806 0
•
Singapore 65 6287 8998
•
Shanghai
86 21 54643211 / 2
•
China 86 755 33966678
•
Taiwan 886 3 4641811
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103
SPM2007 (9/07)
HIGH FREQUENCY CONVENTIONAL
WOUND TRANSFORMERS
EFD Platforms - EFD15, EFD20 and EFD25
TRANSFORMERS
(continued)
Part
6,7
Number
Application
2
Pri.
Turns Ratio
Sec. Pri. Aux.
Primary
Secondary
Isolation
Primary
Inductance
(µH MIN)
Leakage
Inductance
(µH MAX)
Pri.
DCR
(mΩ MAX)
Pri.
Sec.
Sec.
Aux.
A
B
Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C
EFD 25 P
LATFORMS
- U
P TO
180W
EFD 25 - 10 P
IN
THT - (26.4
MM X
26.1
MM X
14.0
MM
)
100W Forward Transformer
PA0397NL
Vin=36-75v, Freq.=250kHz
9
Vout=3.3v/30A, 12v/0.1A
EFD 25 - 10 P
IN
SMT - (32.0
MM X
26.2
MM X
13.5
MM
)
165 F-Bridge Transformer
PA0302NL
Vin=21-56v, Freq.=230kHz
1
Vout=15v/11A
EFD 25 - 12 P
IN
SMT - (32.0
MM X
26.2
MM X
13.7
MM
)
72W Forward Transformer
PA0700NL
Vin=12v, Freq.=250kHz
3
Vout=48v/1.5A
INDUCTORS
Part
6,7
Number
Application
2
Induct.
@ Irated
(µH MIN)
Irated
(Adc)
1500Vdc
Basic
2
8
113
0.64
21
570
3.3
N/A
1
1
500Vrms
Operational
24
0.1
8
130
8
8
22
N/A
2250Vrms
Operational
21.4
0.5
4
N/A
95
N/A
DCR
(mΩ MAX)
Turns Ratio
Winding Winding
1
2
EFD 20 P
LATFORMS
Winding
3
Induct.
0 Adc
3
(µH ±7%)
Saturation
Current
4
@25°
Heating
Current
5
(A)
±12v
Winding
to Aux.
Isolation
EFD 20 - 12 P
IN
SMT - (29.2
MM X
21.8
MM X
11.4
MM
)
PB2042NL
Output Inductor
for
PB2041
Transformer
13
4
3:3:4
(+12v:-12v:Aux)
29.2
(+12v)
87.6
(+12v)
253
(15v Aux.)
14.4
5
4
1500
Vrms
Basic
Notes:
by 20% at 25°C. This current is determined by placing the component in
the specified ambient environment and applying a short duration pulse
1. The temperature of the component (ambient plus temperature rise) must
current (to eliminate self-heating effects) to the component.
be within the stated operating temperature range.
2. The above transformers and inductors have been tested and approved 5. The heating current is the dc current which causes the temperature of the
part to increase by approximately 40°C.
by Pulse's power IC partners and are sited in the appropriate datasheet
or evaluation board documentation at these companies. To determine 6. Add 'T' suffix to the part number for Tape & Reel version (ie: PB2041NLT).
which IC and IC partners are matched with the above Pulse part numbers 7. The "NL" suffix indicates an RoHS-compliant part number. Non-NL
please consult the IC Cross Reference on the Pulse website.
suffixed parts are not necessarily RoHS compliant, but are electrically
3. The rated current as listed is either 85% of the saturation current or the
and mechanically equivalent to NL versions. If a part number does not
heating current whichever is lower.
have the "NL" suffix, but an RoHS compliant version is required, please
contact Pulse for availability.
4. The saturation current is the current which causes the inductance to drop
Mechanicals
EFD 15
.640
16,26
MAX
10-PIN SMT
.675
17,15
MAX
.960
24,38
Date Code
Country of Origin
12-PIN SMT
Date Code
Country of Origin
Part Number
.850
21,59
MAX
.680
17,27
Part Number
.875
22,23
MAX
.722
18,34
.900
22,86
10X .028
0,71
.098
2,50
.392
9,96
10X .035
0,90
.098
2,50
.392
9,96
10X .035
0,90
.098
2,50
.490
12,45
12X .028
0,71
.098
2,50
.490
12,45
SUGGESTED PAD LAYOUT
SUGGESTED PAD LAYOUT
.330 MAX
8,38
.010
0,25
.005/0,13
10 SURFACES
10X 0°- 8°
10X .062 ± .006
1,57 ± 0,15
.330 MAX
8,38
.010 ± .002
0,25 ± 0,05
.004/0,10
12 SURFACES
12X .072
1,83
USA 858 674 8100
•
Germany 49 7032 7806 0
•
Singapore 65 6287 8998
•
Shanghai
86 21 54643211 / 2
•
China 86 755 33966678
•
Taiwan 886 3 4641811
www.pulseeng.com
104
SPM2007 (9/07)
HIGH FREQUENCY CONVENTIONAL
WOUND TRANSFORMERS
EFD Platforms - EFD15, EFD20 and EFD25
Mechanicals
EFD 20
10-PIN
SMT
12
1.030
26,16
MAX
.860
21,84
1.050
26,67
Date Code
Country of Origin
.860
21,84
MAX
.860
21,84
MAX
7
12-PIN
SMT
12
1.150
29,21
MAX
6
.930
23,62
1
12X .060
1,52
.118
3,00
6
7
1.190
30,23
Date Code
Country of Origin
Part Number
Part Number
10X .039
1,00
.148
3,76
10X .080
2,03
.148
3,76
.592
15,21
.592
15,21
12X .028
0,71
.118
3,00
1
SUGGESTED PAD LAYOUT
.590
14,99
SUGGESTED PAD LAYOUT
.590
14,99
.410 MAX
10,41
.010 ± .002
0,25 ± 0,05
.005/0,13
10 SURFACES
.450 MAX
11,43
10X .039
1,00
.010 ± .002
0,25 ± 0,05
.006 /0,15
12 SURFACES
12X .080
2,03
.826
20,98
MAX
8-PIN
THT
.512
13,00
MAX
Pin 8
Pin 1
Pin 4
Pin 4
.031
8X Ø
0,79
.826
20,98
MAX
.591 ± .006
15,01 ± 0,15
.197
5,00
Date Code
Country of Origin
Part Number
.689 ± .006
17,50 ± 0,15
SUGGESTED PAD LAYOUT
USA 858 674 8100
•
Germany 49 7032 7806 0
•
Singapore 65 6287 8998
•
Shanghai
86 21 54643211 / 2
•
China 86 755 33966678
•
Taiwan 886 3 4641811
www.pulseeng.com
105
SPM2007 (9/07)
HIGH FREQUENCY CONVENTIONAL
WOUND TRANSFORMERS
EFD Platforms - EFD15, EFD20 and EFD25
Mechanicals
EFD 25
1.030
26,16
MAX
10-PIN
SMT
1.040
26,42
MAX
1.350
34,29
Date Code
Country of Origin
12-PIN
SMT
Date Code
Country of Origin
Part Number
1.260
32,00
MAX
1.140
28,96
Part Number
1.260
32,00
MAX
1.140
28,96
1.300
33,02
10X .043
1,09
.197
5,00
10X .074
1,88
.197
5,00
.788
20,00
.788
20,00
12X .043
1,09
.158
4,01
12X .074
1,88
.158
4,01
.790
20,07
.790
20,07
SUGGESTED PAD LAYOUT
SUGGESTED PAD LAYOUT
.530 MAX
13,46
.010 ± .002
0,25 ± 0,05
.005/0,13
10 SURFACES
.540 MAX
13,72
10X .035
0,89
.012 ± .002
0,30 ± 0,05
.005/0,13
12 SURFACES
12X .035
0,89
1.040
26,42
MAX
1.028
26,11
MAX
10-PIN
THT
.886
22,50
Date Code
Country of Origin
Part Number
Pin 1 Chamfer
.550 MAX
13,97
1
.800
20,32
.200
5,08
5
.200
5,08
.800
20,32
10X Ø.045
1,14
SUGGESTED PAD LAYOUT
.138 ± .012
3,50 ± 0,30
5
6
10X
.028
0,71
1
5
.886
22,50
10
6
USA 858 674 8100
•
Germany 49 7032 7806 0
•
Singapore 65 6287 8998
•
Shanghai
86 21 54643211 / 2
•
China 86 755 33966678
•
Taiwan 886 3 4641811
www.pulseeng.com
106
SPM2007 (9/07)
HIGH FREQUENCY CONVENTIONAL
WOUND TRANSFORMERS
EFD Platforms - EFD15, EFD20 and EFD25
Schematics
EFD 15
PB2187
PA0476
PA0691
PA1039
1
36-75v
225kHz
9,8
+12v/1.7A
2
4
1
Primary
18-72v
3
4
15v/0.1A
7,6
3
5
6
1
+5v/3A
Auxiliary
10v/.02A
10
11
12
7
8
9
3
28-59v
100kHz
12
3.3v/3A
11
9
3
30-57v
100kHz
12
5.0v/2A
11
9
5
2
10v/0.015A
10
8
5.6v/0.01A
5
2
10v/0.015A
10
8
7.5v/0.01A
5
NOTE:
Pins 9 to 8 and Pins 7 to 6
to be connected on customer PCB
PA1067
1
7
1
7
NOTE:
Pins 8, 9 and 10 to be
connected on customer PCB
NOTE:
Pins 8, 9 and 10 to be
connected on customer PCB
RESET
2
3
34-75v
3.3v/6A
12, 11,10
9, 8, 7
4
5
AUX
12v/25mA
6
EFD 20
PA1040
PB2003
PA0273
2
30-57v
250kHz
+12v/5A
5
6
7
-12v/1.6A
2
Primary
36-75v
1,2
3
4
5
6
7
8
36-75v
7,8,9
+12v/4.5A
3
1
4
PA0751
9
1
Auxiliary
15v/0.1A
+5v/6A
3,4
5
Pri. Aux.
12v/0.1A
10,11,12
8
10
PA0769
6
PA1066
4
25-75v
250kHz
12,11,10
3.3v/4.5A
2
4
1
36-75v
250kHz
12
+5v/9A
1
RESET
5v/4.5A
11
10
9
34-75v
5v/4.5A
5
1
15v/0.1A
9,8,7
3
5
12v/0.1A
11
10
+12v/2.1A
2
3
4
5
AUX
12v/25mA
9
8
-12v/2.1A
3
6
NOTE:
Pins 1 & 2 and Pins 3 & 4 to be
connected on customer PCB
7
8
6
(EFD 20 Schematics continued on next page)
USA 858 674 8100
•
Germany 49 7032 7806 0
•
Singapore 65 6287 8998
•
Shanghai
86 21 54643211 / 2
•
China 86 755 33966678
•
Taiwan 886 3 4641811
www.pulseeng.com
107
SPM2007 (9/07)
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