CURRENT SENSE
TRANSFORMER
Turns Ratio ( + 1% )
Electrical Specifications at 25
O
C
PARAMETER
Secondary Inductance
Secondary DC Resistance
Primary Unipolar Amp-Microsecond
Primary Bipolar Amp-Microsecond
Isolation (HI-POT)
Terminating Resistance = 100Ω
3750
MIN.
20
1.40
300
600
MAX.
UNITS
mH
ohms
AµS
AµS
V
RMS
1 : 100
Designed for Switching Power
Supply Applications
Primary Winding furnished
Flammability: Materials used in
the production of these units
meet requirements of UL94-VO
and IEC 695-2-2 needle flame
test.
Physical Dimensions
inches (mm)
Maximum ratings specified with rated secondary terminating
resistance and 1 turn.
Amp-µsec rating of primary equals volt-µsec rating of secondary
when secondary is terminated into rated resistance.
Maximum operating temperature 105
0
C.
SCALE FACTOR:
V
OUT
(Volts per Amp)
1 Volt @ rated terminating resistance
0.5 Volts @ 1/2 rated terminating resistance
2.0 Volts @ 2 times rated terminating resistance
20 Amps maximum suggested peak sense current @ 40% duty
cycle 40
0
C temperature rise
Frequency range 20 kHz and greater
.700
(17.78)
MAX.
.700
(17.78)
MAX.
.900
(22.86)
MAX.
.010
(0.25)
MIN.
.170
(4.31)
MIN.
.500
(12.76)
TYP.
.700
(17.78)
MAX.
2
Bottom
View
1
5
PRIMARY Leads: 16AWG (.0508")
SECONDARY Leads: 20AWG (.0320")
3
SCHEMATIC
1
PRI
SEC
3
2
5
RHOMBUS P/N:
T-20101
CUST P/N:
DATE:
5/10/00
NAME:
SHEET:
1 OF 1
Rhombus
Industries Inc.
Transformers & Magnetic Products
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: (714) 898-0960
FAX: (714) 896-0971
www.rhombus-ind.com
RHOMBUS-IND [ Rhombus Industries Inc. ]
