PB2003NL(2007) 查看數據表（PDF） - Pulse Electronics
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PB2003NL Datasheet PDF : 6 Pages
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HIGH FREQUENCY WIRE WOUND
TRANSFORMERS
EFD Platforms - EFD15, EFD20 and EFD25
Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C
TRANSFORMERS (continued)
Part 6,7
Number
Application 2
Turns Ratio
Pri. Sec. Pri. Aux.
Primary
Primary Leakage
Secondary Inductance Inductance
Isolation (µH MIN) (µH MAX)
DCR (mΩ MAX)
Pri.
Pri.
Aux.
Sec.
A
Sec.
B
EFD 25 - 10 PIN THT - (26.4MM X 26.1MM X 14.0MM)
100W Forward Transformer
PA0397NL Vin=36-75v, Freq.=250kHz
9
Vout=3.3v/30A, 12v/0.1A
EFD 25 - 10 PIN SMT - (32.0MM X 26.2MM X 13.5MM)
165 F-Bridge Transformer
PA0302NL Vin=21-56v, Freq.=230kHz
1
Vout=15v/11A
EFD 25 - 12 PIN SMT - (32.0MM X 26.2MM X 13.7MM)
72W Forward Transformer
PA0700NL
Vin=12v, Freq.=250kHz
3
Vout=48v/1.5A
INDUCTORS
EFD 25 PLATFORMS - UP TO 180W
2
8
1500Vdc
Basic
113
1
1
500Vrms
Operational
24
22
N/A
2250Vrms
Operational
21.4
Part 6,7
Number
Application 2
Induct.
@ Irated
(µH MIN)
Irated
(Adc)
Turns Ratio
EFD 20 - 12 PIN SMT - (29.2MM X 21.8MM X 11.4MM)
Output Inductor
PB2042NL for PB2041
13
Transformer
4
3:3:4
(+12v:-12v:Aux)
DCR (mΩ MAX)
Winding Winding
1
2
EFD 20 PLATFORMS
Winding
3
29.2
87.6
253
(+12v) (+12v) (15v Aux.)
0.64
0.1
0.5
Induct.
0 Adc 3
(µH ±7%)
14.4
21 570
3.3
8 130
8
4 N/A
95
Saturation
Current 4
@25°
Heating
Current 5
(A)
5
4
N/A
8
N/A
±12v
Winding
to Aux.
Isolation
1500
Vrms
Basic
Notes:
by 20% at 25°C. This current is determined by placing the component in
1. The temperature of the component (ambient plus temperature rise) must the specified ambient environment and applying a short duration pulse
be within the stated operating temperature range.
current (to eliminate self-heating effects) to the component.
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
by Pulse's power IC partners and are sited in the appropriate datasheet part to increase by approximately 40°C.
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
4. The saturation current is the current which causes the inductance to drop contact Pulse for availability.
Mechanicals
EFD 15
.640
16,26
MAX
10-PIN SMT
Part Number
Date Code
Country of Origin
10X
.028
0,71
.098
2,50
.392
9,96
.850
21,59
MAX
.680
17,27
.960
24,38
10X
.035
0,90
.098
2,50
.392
9,96
SUGGESTED PAD LAYOUT
12X
.028
0,71
.098
2,50
.675
17,15
MAX
12-PIN SMT
Part Number
Date Code
Country of Origin
.490
12,45
.875
22,23
MAX
.722
18,34
10X
.035
0,90
.900
22,86
.098
2,50
.490
12,45
SUGGESTED PAD LAYOUT
.330
8,38
MAX
.010
0,25
.005/0,13
10 SURFACES
10X 0°- 8°
10X
.062
1,57
±
±
.006
0,15
.330
8,38
MAX
.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 (11/07)
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