21F181 THORDARSON, 21F181 Datasheet - Page 2

• Manufacturer Part Number: 21F181
• Description: Transformer, Filament, Low Power, pri:115/230V, 50/60HZ, sec:24VCT@1.0A, leads
• Manufacturer: THORDARSON
• Type: Powerr

Specifications of 21F181

• Configuration: Bobbin
• Current, Secondary: 1 A
• Dimensions: 3-5/16"W×2"H×2-1/8"D
• Frequency: 50/60 Hz
• Mounting Hole Centers: 2.8125 "
• Mounting Type: Panel/Chassis
• Number Of Outlets: 1
• Phase: 1
• Termination: Leadwires
• Voltage, Primary: 115/230 VAC
• Voltage, Secondary: 24 (C.T.) VAC
• Weight: 1.5 lbs.

Number
23V256
23V401
23V257
23V402
23V258
23V259
23V404
26F68
21F84
21F181
23V552 $
23V478
23V419
23V420
23V421
23V546
23V422
21F51
21F159
21F142
21F83
21F180
21F114
21F197
21F198
21F188 *
21F189 *
21F27
21F82
23V270
23V379
23V381
23V382
23V423
23V424
23V425
23V426
23V479
23V525
23V480
23V528
23V531
23V384
23V405
23V385
23V386
23V387
23V427
23V428
23V429
23V430
23V520
23V521
23V522
23V458
23V459
23V529
21F187 * *
23V466
23V530
23V523
23V464
23V465
23V468
Part
RECTIFIER-CONTROL-FILAMENT TRANSFORMERS
24.0CT
24.0CT
24.0CT
24.0CT
24.0CT
24.0CT
24.0CT
24.0
24.0CT
24.0CT
24.0
24.0CT
24.0CT
24.0CT
24.0CT
24.0CT
24.0CT
25.2
25.2
25.2CT
25.2CT
25.2CT
25.2CT
25.2CT
25.2CT
26.00CT
Nominal
26.00CT
Nominal
26.5CT
26.8CT
26.8CT
28.0CT
28.0CT
28.0CT
28.0CT
28.0CT
28.0CT
28.0CT
30.0CT
30.0CT
30.0CT
30.0CT
30.0CT
36.0CT
36.0CT
36.0CT
36.0CT
36.0CT
36.0CT
36.0CT
36.0CT
36.0CT
40.0CT
40.0CT
40.0CT
40.0CT
40.0CT
40.0CT
48.0CT
Nominal
50.0CT
50.0CT
60.0CT
60.0CT
60.0CT
70.0CT
Volts
Secondary
RMS
Amps
10.0
12.0
0.085
0.085
0.20
0.20
0.40
0.70
0.70
1.0
1.0
1.0
2.0
2.0
4.0
6.0
8.0
1.0
1.0
1.0
2.0
2.0
3.0
5.0
7.5
0.04
0.25
0.6
1.0
1.7
0.085
0.3
0.8
1.0
2.0
4.0
6.0
1.0
1.7
2.0
4.0
1.5
0.065
0.065
0.135
0.3
0.55
1.0
2.0
4.0
6.0
0.12
0.2
0.25
1.0
2.0
4.0
1.0
1.0
4.0
0.4
1.0
2.0
1.0
Primary
115/230
115/230
115/230
115/230
115/230
115/230
Volts
117 * *
117 *
117 *
117
230
117
230
117
117
230
117
115
115
115
117
117
117
115
117
117
230
117
115
117
117
117
117
115
115
117
117
117
117
117
117
117
115
115
115
115
117
230
117
117
117
117
117
117
117
115
115
115
115
115
115
115
115
115
Insulation
Volts
Test
RMS
1500
1500
1500
1500
1500
1500
1500
2500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
2500
2500
3000
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
2500
2500
2500
1500
1500
1500
2500
1500
1500
1500
1500
1500
1500
Style
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
GGV
GGV
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
BAH
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
LAV
1 1/4
1 1/4
1 3/8
1 3/8
1 5/8
2
2
2
2
2
2 5/8
2 5/8
3 13/16
4 3/16
4 3/16
4 3/16
4 9/16
2
2
2
2 5/8
2 5/8
2 5/8
4 1/4
4 1/4
1 1/4
1 5/8
2
2
2 5/8
1 1/4
1 5/8
2
2
3 1/8
3 13/16
4 3/16
2 1/4
2 5/8
3 1/8
3 7/8
2 5/8
1 1/4
1 1/4
1 3/8
1 5/8
2
2 3/8
3 7/16
4 3/16
4 9/16
1 3/8
1 5/8
1 5/8
2 5/8
3 1/2
3 7/8
2 5/8
2 5/8
4 3/16
2
3
3 13/16
3 1/2
H
2 1/16
2 1/16
2 3/8
2 3/8
2 13/16
3 1/4
3 1/4
3 1/4
3 1/4
3 5/16
4
4
3 1/8
3 7/16
3 7/16
3 1/2
3 3/4
3 1/4
3 1/4
3 1/4
4
4
4
3 7/16
3 7/16
2 1/16
2 13/16
3 1/4
3 1/4
4
2 1/16
2 13/16
3 1/4
3 1/4
2 1/2
3 1/8
3 7/16
3 11/16
4
2 9/16
3 1/8
4
2 1/8
2 1/8
2 3/8
2 13/16
3 1/4
3 3/4
2 13/16
3 7/8
3 3/4
2 3/8
2 13/16
2 13/16
4
2 7/8
3 1/8
4
4
3 7/16
3 1/4
2 1/2
3 1/8
2 7/8
Case
W
Dimensions-Inches
1 1/2
1 3/8
1 1/2
1 1/2
1 5/8
1 3/4
1 3/4
2 1/8
2 1/8
2 1/8
2 1/16
2 3/8
2 13/16
3
3 7/16
3 /4
4 5/8
2 1/8
2 1/8
2 1/8
2 1/4
2 1/4
2 1/4
3 7/8
4 1/4
1 1/2
1 3/4
2 1/8
2 1/8
2 1/4*
1 3/8
1 5/8
2 1/8
2 1/8
2 1/2
3 1/4
3 1/2
2
2 1/4
2 5/8
3 1/8
2 5/16
1 3/8
1 3/8
1 7/16
1 5/8
1 7/8
2 3/8
2 3/4
3 1/8
3 5/8
1 3/8
1 1/2
1 5/8
2 5/16
2 7/8
3 1/2
2 3/8
2 5/16
3 1/2
2
2 5/16
2 7/8
3 1/2
D
1 3/4
1 3/4
2
2
2 3/8
2 13/16
2 13/16
2 13/16
2 13/16
2 13/16
3 9/16
3 9/16
2 1/2
2 3/4
2 3/4
2 3/4
3
2 13/16
2 13/16
2 13/16
3 9/16
3 9/16
3 9/16
2 3/4
2 3/4
1 3/4
2 3/8
2 13/16
2 13/16
3 9/16
1 3/4
2 3/8
2 13/16
2 13/16
2
2 1/2
2 3/4
3 1/8
3 9/16
2
2 1/2
3 9/16
1 3/4
1 3/4
2
2 3/8
2 13/16
3 1/8
2 1/4
2 3/4
3
2
2 3/8
2 3/8
3 9/16
2 1/4
2 1/2
3 9/16
3 9/16
2 3/4
2 13/16
2
2 1/2
2 1/4
MW
Mounting
—
—
—
—
—
—
—
—
—
—
—
—
2 1/8
2 1/4
2 3/4
3
3 1/4
—
—
—
—
—
—
2 11/16
3 1/16
—
—
—
—
—
—
—
—
—
2 3/16
2 1/2
2 5/8
—
—
2 3/8
2 5/8
—
—
—
—
—
—
—
2 1/8
2 3/8
2 5/8
—
—
—
—
2 3/8
2 7/8
—
—
2 3/4
—
2 3/8
2 5/8
2 1/4
MD
Lbs.
Wt.
11.5
0.3
0.3
0.4
0.4
0.8
0.9
0.9
1.5
1.5
1.5
2.3
2.3
4.0
5.7
7.3
8.0
1.5
1.5
1.5
2.2
2.2
2.2
5.5
7.5
0.3
0.6
1.6
1.6
2.3
0.3
0.6
1.0
1.4
2.9
5.3
7.0
1.5
1.5
3.2
5.8
2.2
0.3
0.3
0.4
0.7
1.0
2.0
3.4
6.1
8.5
0.5
0.6
0.8
2.6
4.0
6.3
2.3
2.5
7.5
1.3
3.4
5.7
4.1