145B Hammond Manufacturing, 145B Datasheet
145B
Manufacturer Part Number
145B
Description
TRANSFORMER AUDIO 600/600 IMPED
Manufacturer
Hammond Manufacturing
Series
145r
Type
Audior
Specifications of 145B
Transformer Type
Economical Open Type
Current
18mA
Impedance
600 Primary, 600 Secondary
Insertion Loss
±1dB
Mounting Type
Chassis Mount
Frequency Range
150 Hz to 15 KHz
Primary Impedance
600 Ohms CT
Secondary Impedance
600 Ohms CT
Termination Style
Wire
Dimensions
1.63 in L x 0.88 in W x 0.81 in H
Product
Audio Transformers
Shielding
Unshielded
Brand/series
145 Series
Configuration
Open Frame
Frequency
150-15000 Hz
Impedance, Primary
600 Ohms
Impedance, Secondary
600 Ohms
Length, Lead
4 "
Mounting Hole Centers
1.38 "
Number Of Outlets
1
Phase
1
Power, Rating
0.2 W
Termination
Leadwires
Weight
1.4 Oz.
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Series
143...
144...
145...
146...
No.
Red
Red
Brown
Blue
Blue
Red
Red
Brown
Blue
Blue
1.35
1.35
1.63
1.63
A
PRI
PRI
PRI
PRI
Schematic 1
Schematic 2
Schematic 3
Schematic 4
Dimensions (Inches)
0.69
0.69
0.88
0.88
B
SEC
SEC
SEC
SEC
0.69
0.69
0.81
0.81
Green
Green
Black
Yellow
Black
Yellow
C
Green
Green
Black
Black
1.06
1.06
1.38
1.38
D
•
•
•
•
•
•
NOTES:
*1) For output transformers this figure is maximum unbalance.
144G
144Q
145G
145O
146G
143B
143D
143H
143L
143N
143R
144B
144D
144F
144H
144P
144S
145A
145B
145C
145D
145E
145F
145H
145L
145N
145P
145R
146B
146C
146D
146E
146F
146H
146K
146N
146S
143J
145J
146J
Part
144I
146I
No.
Economical, open, two hole horizontal bracket mount.
Insulated, color coded flexible leads, 4" long minimum (143, 144 & 145 Series)
or 3" long minimum (146 Series).
For a similar, P.C. board mount version, refer to our 148 & 149 Series.
Frequency response 150 Hz. to 15 Khz. (+/- 1 db, reference 1000 Hz.)
When operating at impedances below nominal, power capability and the
frequency spectrum are proportionately lower, conversely, at higher impedances
power capability and frequency spectrum will be proportionately higher.
Net weight: 0.5 oz. (143, 144 & 146 Series) & 1.4 oz. (145 Series).
Driver-Output
Application
Input-Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Input
Input
Input
Input
1000 C.T.
1000 C.T.
2000 C.T.
4000 C.T.
Primary
200 C.T.
300 C.T.
500 C.T.
500 C.T.
500 C.T.
600 C.T.
600 C.T.
600 C.T.
100 C.T.
100 C.T.
250 C.T.
250 C.T.
500 C.T.
500 C.T.
Nominal Impedance
48 C.T.
48 C.T.
10000
10000
25000
10000
10000
20000
50000
10000
15000
20000
20000
200K
200K
1500
3000
2000
2000
4000
4000
75
100
600
Chassis Mount (143-146 Series)
3.2
AUDIO TRANSFORMERS
Secondary
CHASSIS MOUNT
1000 C.T.
2000 C.T.
1500 C.T.
2600 C.T.
2000 C.T.
1000 C.T.
2000 C.T.
500 C.T.
200 C.T.
600 C.T.
150 C.T.
200 C.T.
600 C.T.
200 C.T.
200 C.T.
500 C.T.
600 C.T.
200 C.T.
4000
1000
1000
600
3.2
3.2
3.2
3.2
3.2
3.2
3.2
3.2
3.2
50
8
8
8
8
8
8
8
8
8
8
(*1) ma
D.C.
Pri.
2.6
1.5
1.5
3.5
0.5
3.5
3.5
10
45
18
20
12
12
20
20
14
14
0
0
4
1
9
6
6
6
6
5
5
1
5
8
8
5
4
8
8
6
6
4
4
3
2
D.C. Resistance +/- 15% Output
Primary
4500
1890
1240
2400
3600
1180
1180
265
720
720
575
575
140
148
340
340
700
850
220
111
0.4
2.4
2.4
4.4
4.4
10
15
27
27
28
45
14
30
65
45
11
11
26
26
56
56
97
Secondary
0.33
0.33
0.33
245
100
0.9
7.3
8.2
0.5
0.9
0.9
0.3
0.7
0.3
0.7
0.3
0.7
0.3
0.7
0.3
0.7
0.7
0.7
30
24
53
89
25
19
38
52
33
83
17
24
89
10
50
89
9
9
9
mW
150
150
150
150
150
150
100
200
200
135
135
135
135
135
135
135
135
135
700
700
700
700
700
700
700
700
700
700
700
700
15
25
30
30
30
30
30
50
50
50
50
10
Sch.
1
1
2
2
2
2
2
3
3
3
3
3
4
1
1
1
2
1
2
1
4
4
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
©
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