SM74346L Series

T
PL
IA
N
M
■ Low height of 6.22 mm
■ HIPOT of 1500 VAC
CO
*R
oH
S
This series is OBSOLETEAND
not recommended for new designs.
Features
■ Dual transformer for transmit and receive
SM
YYW7434
W 6L
■ RoHS compliant*
Applications
■ Telecom
SM74346EL - T1/CEPT/ISDN Transformer
Electrical Specifications @ 25 °C
OCL (16-14)
mH min. @ 10 kHz, 0.1 V ..............1.2
OCL (6-8)
mH min. @ 10 kHz, 0.1 V .............1.2
LL (16-14)
µH max. @ 100 kHz, 0.1 V,
short (1-3).......................................0.6
LL (6-8)
µH max. @ 100 kHz, 0.1 V,
short (11-9) .....................................0.6
Cww (16-1)
pF max. @ 100 kHz, 0.1 V ..............30
Cww (6-11)
pF max. @ 100 kHz, 0.1 V ..............30
DCR (16-14) ohm max. .....................0.7
DCR (6-8) ohm max. .........................0.7
DCR (1-3) ohm max. .........................1.4
DCR (11-9) ohm max.........................1.4
Turns Ratio
(16-14) : (1-3) ............ 1CT : 2CT ±5 %
(6-8) : (11-19) ............ 1CT : 2CT ±5 %
Polarity (1, 16, 6, 11) ..........Same phase
HIPOT
Between Windings ..............1500 VAC
Between Transformers ........1500 VAC
Operating Temperature (°C) ......0 to +70
*CT : center tap
Product Dimensions
Electrical Schematic
1
16
2
15
3
14
6
11
7
10
8
9
12.83
MAX.
(.505)
16
9.58
MAX.
(.375)
9
(DATE)
1
1.27
(.050)
E
T
E
L
O
S
B
O
8
8.90
(.350)
6.22
MAX.
(.245)
0.46 ± 0.05
(.018 ± .002)
Tape & Reel*...................... 700 pcs./reel
0.25
(.010)
16X
0.10
(.004)
16 SURFACES
16 PLCS.
0°-8°
8.89
(.350)
1.27
(.050)
8.83
(.328)
Packaging Specifications
7.10
MAX.
(.280)
SM74346L
0.74 ± 0.03
(.029 ± .001)
Recommended PAD layout
*”E” suffix before “L” in part number
designates tape & reel packaging, e.g.
SM74346EL.
DIMENSIONS:
MM
(INCHES)
TOLERANCE: ±
0.254
(.010)
How To Order
SM74346E L
Model
Termination
L = Tin only (RoHS Compliant)
REV. 05/13
*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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
1.91
(.075)