RHOMBUS-IND T-1198

Flyback Transformer TOP224Y/TOP225Y
Turns Ratio
Bias (3-4) : Primary (2-1)
Sec. #1 (8-7) : Primary (2-1)
Sec. #2 (6-5) : Primary (2-1)
PARAMETER
1
Primary Inductance (2-1)
1 : 8.375 + 4%
1 : 4.250 + 4%
1 : 4.250 + 4%
MIN.
TYP.
MAX.
UNITS
585
650
715
µH
35
µH
265
Vac
1
Pri. Leakage Ind. (Sec. Shorted)
SCHEMATIC DIAGRAM
APP Circuit parameters :
AC Line Voltage 47/400 Hz
85
Sec #1 Output Voltage
+24.0
Output Current Continuous
50
Sec #2 Output Voltage
Vdc
+400
-24
Output Current Continuous
50
Peak Current Out, Each Sec.
-400
mA
+450
mA
Line Regulation (85 to 265Vac)
0.20
+%
Load Regulations 10-100%
0.20
+%
Ripple
50.0
+mV
3000
Isolation Primary & Bias
SECONDARY #1
PRIMARY
mA
Vdc
8 (+24V)
1
(RAIL)
(DRAIN)
2
7 (+24V RETURN)
(+BIAS)
3
6 (-24V RETURN)
BIAS
(RETURN)
SECONDARY #2
5 (-24V)
4
SHIELD
VRms
to Secondaries
1. Voltage = 0.250 Vrms Frequency = 100 kHz
8
6
7
5
Physical
Dimensions
T-1198
YYWW
1
2
3
inches (mm)
4
1.024
(26.0)
MAX.
.718
(18.2)
MAX.
Materials used in construction of
this component meet or exceed UL
Class F (155oC)
Before core halves are assembled to bobbin,
the Bottom half of core is wrapped with
kapton tape to provide 6.2mm creepage,
pin to core and core to pin.
.820
(20.82)
MAX.
.16
(4.0)
.197
(5.0)
TYP.
PIN DIA.
.031 (0.8)
8 EA..
1
2
3
4
Bottom View
8
7
6
.496
(12.6)
5
Rhombus
Industries Inc.
Transformers & Magnetic Products
RHOMBUS P/N: T-1198
CUST P/N:
DATE: 3/08/99
NAME:
SHEET:
1 of 1
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: (714) 898-0960
FAX: (714) 896-0971
www.rhombus-ind.com