Base-T Transformer. SM91074AL Datasheet

SM91074AL Transformer. Datasheet pdf. Equivalent


Part SM91074AL
Description 10/100 Base-T Transformer
Feature 1.27 ± 0.05 (0.05 ± 0.002) AEC-Q20*0RCoOHSMPaLnIdANT Features n Designed to meet IEEE 802.3u (100.
Manufacture BOURNS
Datasheet
Download SM91074AL Datasheet


1.27 ± 0.05 (0.05 ± 0.002) AEC-Q20*0RCoOHSMPaLnIdANT Featu SM91074AL Datasheet
Recommendation Recommendation Datasheet SM91074AL Datasheet




SM91074AL
1.27 ± 0.05
(0.05 ± 0.002)
Features
n Designed to meet IEEE 802.3u (100 Base-T)
n Expanded temperature range: -40 to +125 °C
n RoHS compliant*
n AEC-Q200 compliant
0.25 ± 0.13
(0.01 ± 0.005)
0 ˚~8 ˚
5.65 ± 0.25
(0.222 ± 0.010)
0.46 ± 0.05
(0.018 ± 0.002)
0.30 ± 0.10
(0.012 ± 0.004)
0.70 ± 0.15
SM91074AL - 10/100 Base-T Transformer (0.028 ± 0.006)
Electrical Specifications @ 25 °C
Inductance (100 kHz, 0.1 V, 8 mADC)
......................................... 350 µH Min.
Leakage Inductance (100 kHz, 0.1 V)
TD with TX Shorted.......... 0.5 µH Max.
RD with RX Shorted......... 0.5 µH Max.
Turns Ratio
TD : TX.............................. 1 : 1 (±2 %)
RD : RX............................. 1 : 1 (±2 %)
DCR
TD & RD......................... 1.4 ohm Max.
TX & RX......................... 1.0 ohm Max.
Insertion Loss (TD to TX & RD to RX)
1-100 MHz........................-1.1 dB Max.
Return Loss (TD to TX & RD to RX
with 100 ohm load)
1-40 MHz............................-16 dB Min.
40-100 MHz
............ -10+20*log (f/80 MHz) dB Min.
Cross Talk (Between Each Channel)
1-60 MHz............................-40 dB Min.
60-100 MHz........................-35 dB Min.
Common Mode Rejection
(TD to TX & RD to RX)
1-60 MHz............................-37 dB Min.
60-100 MHz........................-30 dB Min.
Differential to Common Mode
Rejection Ratio
(TD to TX & RD to RX)
30 MHz...............................-35 dB Min.
60 MHz...............................-35 dB Min.
Hi-Pot (TD to TX & RD to RX
@ 1 mA, 60 sec.)
........................ 1500 Vrms & 2250 Vdc
Storage Temperature........-40 to +125 °C
Operating Temperature.....-40 to +125 °C
Moisture Sensitivity Level......................1
ESD Classification (HBM)................. N/A
Packaging Specifications
Tape & Reel........................ 600 pcs./reel
Product Dimensions
12.80 ± 0.25
(0.504 ± 0.010)
8.89 ± 0.25
(0.350 ± 0.010)
6.90 ± 0.25
(0.272 ± 0.010)
PIN 1
SM91074AL
9.50 ± 0.25
(0.374 ± 0.010
1.27 ± 0.05
(0.05 ± 0.002)
0.25 ± 0.13
(0.01 ± 0.005)
5.65 ± 0.25
(0.222 ± 0.010)
0.46 ± 0.05
(0.018 ± 0.002)
0 ˚~8 ˚
0.70 ± 0.15
(0.028 ± 0.006)
Electrical Schematic
TD+ 1
8.89
(0.350)
TYP.
0.30 ± 0.10
(0.012 ± 0.004)
TCT 27.10
(0.280)
TYP.
10.50
(0.413)
TYP.
TD-
TYP.
0.76
(0.030)
3
1.27
(0.05)
TYP.
RD+ 6DIMENSIONS:
MM
(INCHES)
Recommended Layout
8.89
(0.350)
TYP.
7.10
(0.280)
TYP.
10.50
(0.413)
TYP.
TYP.
0.76
(0.030)
1.27
(0.05)
TYP.
DIMENSIONS:
MM
(INCHES)
How To Order
SM91074 A L - E
Model
AEC-Q200 Compliant
Termination
L = Cu/Ni/Sn (RoHS Compliant)
Packaging
E = Tape and Reel (600 pcs. per reel)
16 TX+
15 CMT
14 TX-
11 RX+
RCT 7
10 CMT
RD- 8
9 RX-
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
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.



SM91074AL
SM91074AL - 10/100 Base-T Transformer
Solder Profile
TP
TL
TS MAX.
TS MIN.
25
RAMP-UP
tp
tL
ts
PREHEAT
CRITICAL ZONE
TL TO TP
RAMP-DOWN
t 25 °C TO PEAK
Time
8 MINS./248.9 °C
Ramp-up rate = 3 °C/sec. max.
Ramp-down rate = 6 °C/sec. max.
TL = 217 °C tL = 60-150 sec.
Tp = 250 °C ±3 °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 = 8 min. max.
Packaging Specifications
30.5
(1.201)
MAX.
330.0 ± 2.0
(12.992 ± .079)
DIA.
24.00
(.945)
11.50
(.453)
END
DIA.
1.50
(.059)
DIA.
21.0 ± 0.8
(.827 ± .031)
2.5 ± 0.2
(.098 ± .008)
24.5 ± 0.2
(.965 ± .008)
2.00
(.079)
100.0
(3.937)
MIN.
DIA.
4.00
(.157)
START
1.75
(.069)
13.0 +0.5/-0.2
(.512 +.020/-.008)
0.40
(.016)
11.42
(.450)
NO
COMPONENT
25 PCS.
MIN.
16.00
(.630)
COMPONENTS
8 °
1.50
(.059)
DIA.
NO
COMPONENT
23 PCS.
MIN.
USER DIRECTION OF FEED
600 PCS. PER REEL
6.52
(.257)
DIMENSIONS:
MM
(INCHES)
TOLERANCES:
0.10
(0.004)
REV. 11/18
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.







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