TITLE
TI/E1/CEPT/ISDN-PRI DUAL TRANSFORMER
AGENCY APPROVAL: NA
PN
32374
SH
REV
B
OF
2
2
SPECIFICATIONS:
1. TURNS RATIO: (16 - 14):(2 - 3)/(1 - 3) = 1:1/1.26CT ±5 %
(6 - 8):(11 - 9) = 1CT:2CT ±5 %
2. INDUCTANCE: 10 kHz, 0.01 VRMS:
16 - 14; 6 - 8;= 1.20 mH & 1.20 mH MIN.
3. LEAKAGE INDUCTANCE: 1 MHz, 0.10 VRMS:
16 - 14 (WITH 1,2,AND 3 SHORT) = 0.60 µH MAX.
6 - 8 (WITH 11,10,AND 9 SHORT) = 0.60 µH MAX.
4. INTERWINDING CAPACITANCE: 1 MHz:
PRI TO SEC; 30 & 30 pF MAX.
5. D.C. RESISTANCE: OHMS MAX
PRI = 0.70 & 0.70
(1 - 3) = 0.80 .
(11 - 9) = 1.00
6. RETURN LOSS: PRIMARY, 75 OHM REF:
51 kHz TO 102 kHz = 12 dB MIN.
102 kHz TO 2.048 MHz = 18 dB MIN.
2.048 MHz TO 3.072 MHz = 14 dB MIN.
NOTE: CONNECT 120 OHMS TO 1 - 3 FOR TEST ON
16 - 14 AND 300 OHMS ON 11 - 9 FOR TEST ON 6 - 8.
TEST TO BE PERFORMED ON EACH SIDE OF THE
TRANSFORMER, INDEPENDENTLY.
7. DIELECTRIC VOLTAGE WITHSTAND FOR 1 MINUTE:
PRI TO SEC; 1500 VAC.
OR 2150 Vdc 1 SECOND ON VOLTECH
8. OPERATING TEMPERATURE RANGE: 0° TO 70°C
9. FLAMMABILITY: ALL MATERIALS RATED AS UL94-VO
.245 MAX
(6,22)
.375 MAX
(9,52)
NOTE:
PIN NUMBERS SHOWN
FOR REFERENCE ONLY
.505 MAX
(12,83)
16
9
REF: PWB LAYOUT
.050
(1,27)
.350
(8,89)
SCHOTT
32374
YYWW
1
8
.280 MAX
(7,11)
.328
(8,33)
.075
(1,90)
.029 ±.001 (16X)
(,74,±,03)
.010
(0,25)
.004/,10
(16X)
0° - 8°
.018 ±.002
(,46 ±,05)
16 PL
NOTE: PRIMARY
PINS, 16 - 14; 6 - 8
16
15
14
11
10
9
1
2
3
6
7
8
1000 Parkers Lake Road, Wayzata, MN 55391, (952) 475-1173, www.schottcorp.com
TOLERANCES UNLESS
OTHERWISE SPECIFIED
INCHES / DECIMAL
MILLIMETERS (mm)
.XX = ± .01
.XX = ± 0.20
.XXX = ±.010
ANGLES ± 1°
SCHOTT [ SCHOTT CORPORATION ]
