149H Hammond Manufacturing, 149H Datasheet
149H
Manufacturer Part Number
149H
Description
AUDIO TRANSFORMER
Manufacturer
Hammond Manufacturing
Series
149r
Datasheet
1.148Y.pdf
(2 pages)
Specifications of 149H
Transformer Type
Economical Open Type
Current
22mA
Impedance
1K Primary, 60/240 Secondary
Insertion Loss
±1dB
Mounting Type
Chassis Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
•
•
•
•
•
•
•
•
•
NOTES:
*1) For output transformers the current figure is for maximum unbalanced current
*2) D.C. resistance shown is for the total primary or secondary windings (ie: if unit contains multiple primary or
148M
148A
148B
148C
148D
148E
148H
148K
148Q
148R
148V
148X
148Y
149C
149E
149G
149H
149Q
149S
149U
149V
148F
148T
149F
149T
Part
secondary windings the figure shown is with the windings connected in series).
Pin type (0.25" length & 0.025" square), P.C. board mount.
Economical, open type, horizontal bracket construction. 149 Series includes clinching lugs for extra mounting
strength.
Frequency response 200 Hz. - 15 Khz. (+/- 1 db, ref. @ 1 Khz.).
Total distortion approximately 2% for drivers and 1% for outputs at 200 Hz., decreasing at higher frequencies.
Insertion loss less than 1/2 db.
Bifilar wound for balanced capacitive and resistance characteristics, on pin bobbins for standard 0.2" grid pin spacing.
Insulation test 250V RMS.
For rugged epoxy cast type units refer to our 102, 104, 106, or 107, 108 & 109 series.
Net weight: 0.6 oz. (148 Series) & 1.0 oz. (149 Series).
No.
Queenstown, Australia 61-8-8240-2244
148 Series
Application
Basingstoke, UK 01256 812812
Output
Output
Output
Output
Output
Output
Output
Output
Hybrid
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Driver
Input
Input
Input
Input
AUSTRALIA
EUROPE
4000 C.T.
5000 C.T.
500 C.T.
600 C.T.
200 C.T.
600 C.T.
600 C.T.
600 C.T.
Nominal Impedance
Primary
150/600
150/600
50000
10000
20000
200K
1500
3000
4000
6000
1000
150
500
160
300
450
600
Secondary
600/2400
400/1600
250/1000
250/1000
500/2000
500/2000
500/2000
250/1000
300/1200
150 C.T.
500 C.T.
150 C.T.
600 C.T.
125/500
125/500
150/600
30/120
40/160
60/240
20/80
1000
3.2
3.2
3.2
8
Pri D.C.
(*1) ma.
11.6
1.9
3.8
7.5
6.5
5.3
4.1
2.4
2.1
1.9
0.8
0.7
18
56
42
33
29
22
0
0
7
4
4
4
4
AUDIO TRANSFORMERS
www.hammondmfg.com
P.C. BOARD MOUNT
D.C. Resistance +/- 15% (*2)
Primary
1760
1760
1700
2230
11.3
220
480
540
850
380
410
155
45
79
41
45
24
41
52
92
19
53
53
53
53
P.C. Board Mount (148-149 Series)
73
Secondary
25.4
0.34
0.34
300
200
107
230
230
238
123
6.2
6.5
9.7
0.4
60
58
14
52
19
58
24
17
70
95
63
Milliwatts
Output
1000
1000
1000
1000
1000
300
300
300
300
300
300
200
200
200
200
200
12
75
75
75
75
75
75
50
3
St. Laurent, Quebec (514) 343-9010
Cheektowaga, NY (716) 630-7030
Guelph, Ontario (519) 822-2960
Figure
Dwg.
1
2
2
3
2
2
2
2
2
2
2
4
5
4
5
2
2
2
2
2
4
5
5
6
7
CANADA
USA
PRI
PRI
PRI
PRI
1
2
3
4
1
4
1
4
4
1
2
Figure 1
Figure 2
Figure 3
Figure 4
149 Series
SEC
SEC
SEC
SEC
5
6
7
8
5
6
7
8
5
8
5
8
PRI
PRI
PRI
1
3
4
1
2
3
4
4
1
2
Figure 5
Figure 6
Figure 7
SEC
SEC
SEC
©
5
7
8
5
8
5
6
7
8
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149H Summary of contents
Page 1
... C.T. 149C Driver 160 20/80 149E Driver 300 30/120 149F Driver 450 40/160 149G Driver 600 150/600 149H Driver 1000 60/240 149Q Output 200 C.T. 3.2 149S Output 600 C.T. 150 C.T. 149T Output 600 C.T. 600 C.T. 149U Output ...
Page 2
... C.T. 141P 1200 C.T. 8 CHASSIS MOUNT - SHIELDED AUDIO TRANSFORMERS • Insulated leads 5" long minimum • Stamped steel case (Diameter of 1.25" and height of 1") for excellent shielding - low hum pick-up. • Frequency response 70 Hz Khz. (+/- 1 db, ref Khz.) • ...