Chassis & P.C. Board Mount
Red
PULSE TRANSFORMERS
•
Economical, open style, chassis mount.
•
Mounting hole (G) - .187"
•
Units are intended for pulse applications including
thyristor / triac firing circuits.
•
Flexible leads - 4" minimum.
Brn
Yel
Org
612H
Blk
Yel
Secondary
Blk
Blu
Primary
Cat. No.
612G
612H
Ra t i o
1:1
1:1:1
Brn
Org
612G
Pr imar y
Circuit Max.
Volts
Inductance D.C. Res.
mH (min.) (Ohms)
600
6.6
0.87
600
1.5
0.45
D.C. Winding
Re s i s t a n c e
Se c . 1
Se c . 2
(Ohms)
(Ohms)
0.87
-
0.42
0.49
Secondary
Primary
I nsul at i on
RMS
(Volts)
4000
4000
Wt.
Oz .
8.0
8.0
Dimensions
A
B
C
D
2.06 1.25 1.19 1.75
2.06 1.25 1.19 1.75
2.38
15.24
5
4
1
3
5.08 5.08 5.08
2
6
20
2.38
All Dimensions in mm
Pins 0.64 sq.
12.5
13
6.5
1
Primary
4
5
6
2
Sec. 2
Sec. 1
○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
PULSE TRANSFORMERS
•
These transformers are fully encapsulated in a high grade black molded case
with a UL94V-O rating.
•
They are intended mainly for thyristor / triac triggering applications.
•
All units are voltage proof tested between windings at 2500V RMS for 1
minute, for a working voltage rating maximum of 440V RMS.
•
Transformers with three or more windings can be series connected to obtain
alternative ratios. (ie...a 1:1:1 type may be series connected by linking pins 4
& 5 in which case 3-6 are used as the primary winding to obtain a ratio of 2:1
etc.)
Ca t .
No.
630B
631B
632B
630C
631C
632C
630D
631D
632D
640A
640B
640C
641A
641B
641C
Tur ns
Ra t i o
1:1
1:1:1
2:1:1
1:1
1:1:1
2:1:1
1:1
1:1:1
2:1:1
2:1:1:1
2:1:1:1
2:1:1:1
2:1:1:1
2:1:1:1
2:1:1:1
Leakage
Ca p a c i t y
I nduct ance
pf. (max)
I n d u c t a n c e ET Co n s t a n t
uH (max)
V uS
mH (min.)
1
120
2.0
50
1
120
3
40
1
120
3.5
30
4
240
5
55
4
240
11
35
4
240
11
35
16.3
482
18
65
16.3
482
40
40
16.3
482
40
40
10
370
38
32
30
640
110
38
100
1160
340
35
10
890
28
65
30
1520
75
70
100
2760
190
190
Pr imar y
D.C. Winding Resistance
(ohms)
Pr i .
0.25
0.25
0.24
0.86
0.9
0.84
3.5
3.6
3.5
2.3
6.6
25.0
0.45
1.2
5.2
Se c . 1 Se c . 2 Se c . 3
0.23
0.22
0.12
0.83
0.76
0.38
3.4
3.1
1.6
1.1
3.0
12.0
0.2
0.5
2.4
2
Primary
3
8
Feedback
or Sec. 3
1
630 Series - Dimensions &
Schematic
25
20
3
-
0.28
0.15
-
1.1
0.5
-
4.2
2.0
1.3
3.8
14.6
0.26
0.65
2.9
4
5
6
7
-
-
-
-
-
-
-
-
-
1.0
2.7
10.8
0.19
0.46
2.2
640 Series - Dimensions &
Schematic
Sec. 1
Sec. 2
Cat. Ser ies No.
6 4 0 Se r i e s
6 4 1 Se r i e s
Tol.
Max.
Min.
Max.
Min.
a
25.0
-
36.0
-
b
12.7
-
20.2
-
c
-
4.0
-
4.0
Dimensions
v
w
17.98 12.9
17.58 12.47
28.12 20.52
27.72 20.12
x
7.82
7.42
12.90
12.47
y
5.28
4.88
7.82
7.42
z
1.2
1.1
1.2
1.1
CANADA
Phone: (519) 822-2960 Fax: (519) 822-0715
© 2000
www.hammondmfg.com
USA
66
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