P O W E R
Filter Chokes
T R A N S F O R M E R S
Style NV with lugs
Style A with leads
Style NH with leads
STANCOR
PART
Inductance
Sec. NUMBER Style Type (Henries) DC.mA
A
C-1515
C-1706
C-1707
C-1709
B
C-2343
C-1722
C-2328
C-2708
C
TC-1
TC-2
C-2690
C-2685
D
C-2691
C-2686
C-2687
C-2688
E
C-2722
C-2724
C-2728
A
A
A
A
A
NV
A
A
A2
A2
NV
NV
NH
NH
NH
NH
A
A
A
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
3
3
3
20.00
4.50
7.00
8.00
0.75
8.00
0.80
0.32
0.003
0.011
0.300
0.075
0.035
0.080
0.020
0.025
0.010
0.010
0.400
0.250
0.075
15
50
50
85
300
300
375
600
1000
1000
1000
2000
2000
2500
5000
4000
8000
12500
135
275
1000
DC Res.
(Ohms)
700.00
260.00
450.00
220.00
32.00
80.00
20.00
10.00
0.20
0.75
3.00
0.75
0.60
0.60
0.15
0.43
0.15
0.11
30.00
16.00
2.50
RMS
Test
Voltage*
1500
1500
1500
1500
1500
3000
1500
1500
1000
1000
1500
1500
1500
1500
1500
1500
1500
1500
1500
Termination
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
Leads
H
1.63
1.38
1.38
2.00
1.62
4.56
2.38
2.00
1.25
1.25
3.44
2.81
3.88
2.88
3.19
3.69
1.25
1.44
2.00
DIMENSIONS-INCHES
Case
Mounting
W
D
MW
MD
2.88
2.38
2.38
3.25
2.88
3.75
3.75
3.25
1.50
1.50
2.81
2.63
3.19
3.38
3.75
4.13
2.13
2.38
3.25
1.38
1.25
1.25
1.94
1.38
3.44
1.88
1.75
1.12
1.12
3.00
2.13
3.75
2.63
3.00
3.25
1.19
1.25
1.69
2.38
2.00
2.00
2.81
2.38
3.00
3.13
2.81
1.19
1.19
2.25
2.19
2.50
2.81
3.13
3.44
1.75
2.00
2.81
-
-
-
-
-
2.50
-
-
0.44
0.44
2.63
2.00
3.00
2.13
2.50
2.50
-
-
-
Weight
(lbs.)
0.70
0.50
0.50
1.40
0.70
7.30
1.50
1.30
0.30
0.30
5.00
1.90
7.00
3.40
5.30
5.90
0.25
0.35
1.00
Agency
Certif.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
* Insulation Test Voltage: Twice Allowable RMS Working Voltage Plus 1000 Volts
For outline drawings refer to page 62.
Types of Filter Chokes
•
Type 1: Smoothing Chokes
–– Inductance Tolerance - Minus 15% Plus 50% at 10 Volts 60 Hz
–– The Stancor line of “Smoothing” types of Filter Chokes has been
designed for use with the various Power and Plate Transformers listed
in this catalog. The range of electrical ratings available covers require-
ments for practically all of the Filter Chokes used in D.C. power sup-
plies. In addition, a myriad of other electronic apparatus applications
for these items exist. Inductance values shown are measured at the full
amount of D.C. listed and at the specified values of RMS Voltage and
Frequency. All of these items are made with Class “A” insulating mate-
rials and will withstand operation up to a limit of 105˚C., continuously.
•
Type 2: High Current Chokes
–– Inductance measured at 1 Volt 60 Hz
–– Inductance Tolerance – Minus 15%, Plus 50%
–– The “High Current Chokes” listed are normally used in low voltage,
high current D.C. power supply filter applications, where low voltage
drop across the filter and good voltage regulation is required, without
any type of voltage regulator.
•
Type 3: Miniaturized High Current Chokes
–– Inductance measured at 1 Volt 60 Hz
–– Inductance Tolerance – Minus 15%, Plus 50%
–– The “Miniaturized High Current Chokes” are primarily for use with the
“Miniaturized Control/Rectifier Transformers” listed elsewhere in this cat-
alog. When used in small D.C. power supplies with these transformers,
a combination of small physical size and adequate voltage regulation for
many applications is possible, without a solid state voltage regulator.
These chokes are made with Class “A” insulating materials and may
be operated up to a maximum limit of 105˚C., continuously.
56
White-Rodgers • Emerson Electric Co.
9797 Reavis Road • St. Louis, MO 63123
(314) 865-8799 • Fax (314) 638-2400
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