IA
N
Features
■
Wide operating input voltage range
■
Meets IEC 60950-1, Functional Grade
EL
47
0 S
91 0
M 162
S
Applications
■
TI UCC28880 High voltage switcher
■
AC/DC Power supplies
■
Metering, home automation, appliances,
*R
oH
S
CO
M
PL
T
of Insulation
■
RoHS compliant*
white goods and LED drivers
SM91047EL Series Flyback Transformer
Electrical Schematic
L (Pin 9-7)
±15 %
@10 kHz /
1V
5.0 mH
3.5 mH
5.0 mH
Hi-pot
Rated
Current
0.2 Adc
0.3 Adc
0.2 Adc
NP to NS
1.5 k Vrms,
2 mA, 2 S
1.5 k Vrms,
2 mA, 2 S
3 k Vrms,
2 mA, 2 S
NP, NS to Core
200 Vrms,
2 mA, 2 S
1.5 k Vrms,
2 mA, 2 S
2 k Vrms,
2 mA, 2 S
Product Dimensions
17.80
MAX.
(.701)
5
6
9
Bourns Part
Number
SM91047EL
SM91047-1EL
SM91047-2EL
2
NP
NS
4
7
Rated Current
L
drop
(Pin 9-7) @10 kHz, 1 V ...................................................................... >85 % L
0A
Leakage Inductance @10 kHz, 1 V
Pin 9-7 ....................................................................................................... 100
μH
max.
(Pin 2,4 Short)
DCR
Pin 9-7 ...................................................................................................... 8.0
Ω
±20 %
Pin 2-4 ................................................................................................... 104 mΩ ±30 %
Turns Ratio & Polarity @10 kHz, 1 V
Pin 9-7 : Pin 2-4 ......................................................................................11.875 : 1 typ.
Operating Temperature Range ............................................................. -40 °C to +125 °C
including temperature rise
Storage Temperature Range .................................................................. -40 °C to +85 °C
PART NO.
YYWWS
13.50
(.531)
MAX.
10
PIN 1 INDICATOR
1
12.70
(.500)
MAX.
Tape & Reel .................................................................................................. 180 pcs./reel
How To Order
2.50 ± 0.30
(.098 ± .012)
15.40
REF.
(.606)
0.70 x 0.30
(.028 x .012)
10 REF.
SM91047 __ E L
Model
L
Blank = 5 mH, 1.5 kV / 200 V Hi-pot
-1 = 3.5 mH, 1.5 kV / 1.5 kV Hi-pot
-2 = 5 mH, 3 kV / 2 kV Hi-pot
Packaging
E = Tape and Reel (180 pcs./reel)
Termination
L = Tin (RoHS Compliant)
1
5
6
Recommended Layout
16.36
(.644)
2.50
(.098)
1.17
(.046)
WARNING Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on
the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf
TI is a trademark or registered trademark of its respective owner.
1.88
(.074)
DIMENSIONS:
MM
(INCHES)
SM91047EL Series Flyback Transformer
tp
TP
RAMP-UP
TL
TS MAX.
tL
CRITICAL ZONE
T L TO TP
TS MIN.
ts
PREHEAT
RAMP-DOWN
Ramp-up rate = 3 °C/sec. max.
Ramp-down rate = 6 °C/sec. max.
TL = 217 °C tL = 60-150 sec.
Tp = 245 °C ±5 °C
Time within 5 °C of actual Peak Temp (tp) = 20~40 sec.
Ts min = 150 °C Ts max = 200 °C
Ts min to Ts max = 60-180 sec., 25 °C to Peak Temperature = 6 min. max.
Temperature
25 °C
t 25 °C TO PEAK
Time
44.00 +2/-0
(1.732 +.079/-0)
2.2 ± 0.2
(.087 ± .008)
21.0 ± 0.8
DIA.
(.827 ± .031)
13.2 ± 0.2
DIA.
(.520 ± .008)
300.0 ± 2.0
(11.811 ± .079)
DIA.
100.0 ± 2.0
(3.937 ± .079)
DIA.
DETAIL A
A
24.00
(.945)
4.00
(.157)
50.8
MAX.
(1.969)
END
START
44.00
(1.732)
PART NO.
PART NO.
0.20 ± 0.05
(.008 ± .002)
0.75
R
(.030)
B
NO COMPONENT
NO COMPONENT
COMPONENTS
18 PCS.
MIN.
14 PCS.
MIN.
DETAIL B
USER DIRECTION OF FEED
QUANTITY: 180 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
REV. 01/18
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns
®
products manufactured by or on behalf of Bourns, Inc. and
Unless otherwise expressly indicated in writing, Bourns
®
products and data sheets relating thereto are subject to change
and complete before placing orders for Bourns
®
products.
The characteristics and parameters of a Bourns
®
product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns
®
®
product with other components
the actual performance of the Bourns
®
®
®
product as meeting the requirements of a particular industry
®
of Bourns products are responsible for ensuring compliance with safety-related requirements and standards applicable to
®
Bourns
®
on a case-by-case basis, use of any Bourns
®
®
®
®
®
Bourns
®
®
standard products that are suitable for use in aircraft
®
standard
the user’s sole risk.
®
and the user for which such Bourns
®
®
custom products shall be negotiated on a case-by-case basis by Bourns
®
also apply to such Bourns custom products.
Users shall not sell, transfer, export or re-export any Bourns
®
Bourns
®
standard products shall
products and Bourns technology and technical data may not under any circumstance be
exported or re-exported to countries subject to international sanctions or embargoes. Bourns
®
products may not, without
®
bilingual versions are available at:
Web Page:
http://www.bourns.com/legal/disclaimers-terms-and-policies
PDF:
http://www.bourns.com/docs/Legal/disclaimer.pdf
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