AS Series • Current Sense Inductors & Transformers
AS Series Current Sensors are designed as a low cost method of
controlling, monitoring or measuring AC currents. The sensors serve as
feedback elements between the output and pulse control circuitry providing
accurate regulation of switch mode power supplies.
Features
• Fully encapsulated for optimal PC board mounting
• Frequency range from 20kHz to 200kHz
• Primary current rating to 30 Amps
• Primary to secondary isolated to 2500 VAC
• Meets VDE norms
• Optimum performance over designated current and
frequency range
• Competitive pricing due to high volume production
• Manufactured in an ISO-9001:2000, TS-16949:2002
and ISO-14001:2004 certified facility
• Fully RoHS compliant
Applications
Isolated current feed-back signal in Switch Mode Power Supplies • Motor current load/overload • Lighting
Switch Controls
•
Ultra-sound current
• High resolution sonar current •
Isolated bi-directional current sensor with full wave bridge rectifier
Electrical Specifications at 25°C
Part Number
Prim./Sec.
Ratio
Lsec (1)
(mH Min)
DCRsec
(Ohms Max.)
Sec. Term. (2)
Resistance
(Ohms Nom.)
Isec (3)
Max.
Volt µS (4)
Max.
AS-100
1:50
6
0.6
50
300mA
175
AS-101
1:100
25
1.1
100
150mA
350
AS-102
1:200
100
4.5
200
75mA
700
AS-103
1:300
250
10.0
300
50mA
900
AS-104
1:500
700
25.0
500
30mA
1500
AS-105
1:750
1682
43.0
750
40mA
3750
AS-110
1:50CT
6
0.3 / 0.3
25 + 25
300mA
175
AS-111
1:100CT
25
0.55 / 0.55
50 + 50
150mA
350
AS-112
1:200CT
100
2.25 / 2.25
100 + 100
75mA
700
AS-113
1:300CT
250
5.0 / 5.0
150 + 150
50mA
900
AS-114
1:500CT
700
12.5 / 12.5
250 + 250
30mA
1500
AS-115
1:750CT
1682
21.5 / 21.5
375 + 375
40mA
3750
Notes:
1)
Lsec: Secondary inductance tested at 10kHz and 10mV for 1:50 through 1:500
2)
This nominal termination resistance value will yield approximately 1.0V
1
3
1
2
3
17.2
Prim./Sec. ratios and 1kHz/10mV for Prim./Sec. ratio of 1:750
of output for each amp of current in a single turn sense line. The output
5.0
17.0
3)
ASXXX
1
2
F (Hz): Frequency
5)
Operating Temperature Range: -40°C to +120°C
6) Pin 2 is on Center-Tapped (CT) versions only
4 .0
6.35
(0.250)
maximum primary current of 15 Amp-turns rms while the Isec value for the ratio of
4)
3
0.45 x 0.66
For Prim./Sec. Ratios of 1:50 through 1:500, the sec
I value corresponds to a
1:750 corresponds to a max. primary current of 30 Amp-turns rms.
1
VµS = R t x Is x 2F
Rt (Ohms): Recommended Terminating Resistance
Is (A): Secondary Current
20.4
A0*,6
Voltage/Ampere of these devices can be increased or decreased linearly
over a restricted temperature range by adjusting the terminating resistance.
Schematic
12.7
+
9.53
1
2
+
3
_
_
Primary Sense Current
AMGIS, LLC * 10830 Kinghurst Dr. Houston, TX 77099
Phone: 832-775-1319 * Fax: 281-933-9067* email: sales@amgistoroids.com
sales@alfamag.com
Toll Free: 877-762-6447 * www.amgistoroids.com
AS Series • Current Sense Inductors & Transformers
Electrical Specifications at 25°C
Part Number
Prim./Sec.
Ratio
Lsec (1)
(mHMin.)
D C R sec
(Ohms Max.)
Sec. Term. (2)
Resistance
(Ohms Nom.)
Isec (3)
Max.
Volt µS (4)
Max.
Type 1
Type 2
AS-200
AS-300
1:50
5
0.65
50
300mA
175
AS-201
AS-301
1:100
20
1.30
100
150mA
350
AS-202
AS-302
1:200
80
4.50
200
75mA
700
AS-210
AS-310
1:50CT
5
0.65
25 + 25
300mA
175
AS-211
AS-311
1:100CT
20
1.30
50 + 50
150mA
350
AS-212
AS-312
1:200CT
80
4.50
100 + 100
75mA
700
AS-320
1:50
5
0.65
50
300mA
175
AS-321
1:100
20
1.30
100
150mA
350
AS-322
1:200
80
4.50
200
75mA
700
AS-330
1:50CT
5
0.65
25 + 25
300mA
175
AS-331
1:100CT
20
1.30
50 + 50
150mA
350
AS-332
1:200CT
80
4.50
100 + 100
75mA
700
Type 1
14.50
(0.571)
10.15
(0.400)
3
4
1
17.8
(0.700)
12.7
(0.500)
4.0
(0.157)
5
15.25
(0.600)
3
Pins 1 & 2
Ø 1.30 (0.051)
19.60
(0.772)
Pins 3, 4 &5
Ø 1.00 (0.039)
2
Pri./Sec.
Ratio
IP
Amps
Volt µS
Application
(Max.)
AS-400
1:100
1
350
Switching
AS-401
AS-402
1:100
1:100
2
5
550
1500
Switching
Switching
AS-403
1:100
10
1500
Switching
AS-404
AS-405
AS-406
AS-407
1:100
1:500
1:500
1:500
50
50
65
80
1500
2700
4200
7500
Switching
Switching
Switching
Switching
4
5
3
1
4
2
5
1
2
6
7
3
5
1
2
6
7
3
4
5
6
7
1
2
Pins 3, 4 &5
Ø 0.80 (0.032)
• Operating Temperature Range: -40°C to +120°C
• Primary to secondary isolated to 4000 VAC
• Primary current rating to 80 Amps
C ase
Type
Schematic
•
Dimensions
C
D
E
F
G
H
I
Hole
7
A
17.8
12.8
20.0
10.0
5.0
15.0
5.0
--
2
8
A
B
23.0
32.5
15.5
18.0
25.0
35.5
12.5
15.0
10.0
12.5
20.0
--
5.0
--
---
1
2
3
4
7
A
32.0
20.5
35.0
17.5
12.5
27.5
7.5
--
B
A
A
B
32.5
23.0
27.0
32.5
18.0
15.5
18.0
18.0
35.5
25.0
30.0
35.5
15.0
12.5
15.0
15.0
12.5
10.0
12.5
12.5
-20.0
22.5
--
-5.0
5.0
--
Ø8
Ø5
Ø5
Ø8
1
8
7
8
Type B
5.0 ±0.3
7
8
3
4
H
G
I
0.60 x 0.88 mm
(AS-403 0.75 x 1.10)
Pins 1, 2, 6 & 7
Ø 1.30 (0.051)
22.9
17.8
(0.700) (0.902)
3.5 ±0.3
C
4.0
(0.157)
5
Type A
E
2
17.8
(0.700)
6.35
(0.250)
12.7
(0.500)
Features
• Meets requirements of IEC 950 and VDE norms
UL94, VO recognized materials
• Operating frequency range from 20kHz to 200kHz
Electrical Specifications at 25°C
Part
Number
3
1
Type 2
18.0
(0.709)
5.08
(0.200)
Schematic
1
G
C
2
F
D
0.60 x 0.88 mm
E
F
D
AMGIS, LLC * 10830 Kinghurst Dr. Houston, TX 77099
Phone: 832-775-1319 * Fax: 281-933-9067* email: sales@amgistoroids.com
Toll Free: 877-762-6447 * www.amgistoroids.com
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