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P1977NLT Datasheet, PDF (1/2 Pages) Pulse A Technitrol Company – SMT PLANAR TRANSFORMER AND PLANAR INDUCTOR
SMT PLANAR TRANSFORMER
AND PLANAR INDUCTOR
For use with Linear Technology’s
LT1681 and LTC1698
NEW!
PLANAR TRANSFORMER – PA0191
Power Rating: 60-100W
Height: 8.3 mm Max
Footprint: 27.7 mm x 21.8 mm Max
PLANAR INDUCTOR – P1977
Energy Storage: 420 µJ (2.1 µH/20A)
Height: 8.3 mm Max
Footprint: 21.7 mm x 20.3 mm Max
Part
Number
PA0191
Power
Rating 1
60-100 W
Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C
Turns Ratio
(with 7T Pri. Aux.)
Primary
Secondary
Isolation
Primary
Inductance
(µH MIN)
Leakage
Inductance
(µH MAX)
DCR
Primary Primary Aux.
(mΩ MAX) (mΩ MAX)
9:2
1500 Vdc Basic
100
1.5
85
800
Secondary
(mΩ MAX)
2.5
Part
Number
P1977
Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C
Inductance
@Irated
(µH ±5%)
Irated 2
(ADC)
DCR
(mΩ)
TYP
MAX
Inductance
@ 0 ADC
(µH ±5%)
Saturation Current 3
(A)
@ 25°C
@ 125°C
2.1
20
1.00
1.25
2.1
27.0
22.5
Heating
Current 4
(A)
31
PA0191
.235
5,97
.915 .551
23,24 14,00
Mechanicals
.530
13,46
.305
7,75
2X
.100
2,54
4X
.060
1,52
4XØ
.080
2,03
PIN 1
.530
13,46
.265
6,73
2X
.100
2,54
PIN 2
PIN 3
PIN 4
PA0191
Date Code
Country of Origin
1.090
27,69
MAX
.360
9,14
.860
21,84
MAX
.180
4,57
2XØ
.100
2,54
.005/0,13
4 SURFACES
.325
8,26
MAX
.915
23,24
PIN 5
.405
10,29
PIN 7
.180
4,57
.360
9,14
2X
.150
3,81
SUGGESTED PAD LAYOUT
Schematics
1
9T
2
3
7T
4
7
2T
5
P1977
PA0191
Date Code
Country of Origin
1
2
.275
6,99
.855
21,72
MAX
.800
20,32
.360 MAX
9,14
.005/0,13
3 SURFACES
.325
8,26
MAX
.360
9,14
PIN 1
.275
6,99
PIN 2
2X
.150
3,81
SUGGESTED PAD LAYOUT
1
3T
2
PA0191
P1977
Weight ..................11.0 grams ..................10.8 grams
Tape & Reel...............150/reel.......................150/reel
Tray .............................55/tray.........................48/tray
Dimensions: Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
US 619 674 8100 • UK 44 1483 401 700 • France 33 3 84 35 04 04 • Singapore 65 287 8998 • Taiwan 886 2 2698 0228 • Hong Kong 852 2788 6588 • http://www.pulseeng.com
P553.A (7/02)