Audio Transformers:
2 Ohm to 100K Ohm; 300Hz to 75KHz; 600 milliwatt at 1KHz
SURFACE MOUNT
PICO surface mount units utilize materials and methods to
withstand extreme temperatures of vapor phase, I.R., and
other reflow procedures without degradation of electrical or
mechanical characteristics.
Specifications
MILPRF27:
All units manufactured to Mil
PRF27, Grade 5, Class S.
FREQUENCY RESPONSE: ± 3db, 300 Hz75 KHz at
1.0 Milliwatt.
MAXIMUM DISTORTION: 5% with rated power
level at 1 KHz and 400 Hz.
DIELECTRIC STRENGTH: All units tested at 200
V RMS.
INSULATION RESISTANCE: Greater than 10,000
Megohms at 300 V DC.
WEIGHT: 5 Grams
TERMINALS: Solderability per MILSTD202,
Method 208.
THERMAL SHOCK: 25 Cycles, Method 107, MIL
STD202, Test Condition 55º C to +130º C.
MOISTURE SENSITIVITY LEVEL: MSL3
Bottom View
Larger size drawing
Audio Transformers: 2 Ohm to 100K Ohm; 300Hz to 75KHz; 600 milliwatt at 1KHz
Secondary
Impedence
Ohms
Split
Windings
Secondary
DC
Resistance
OHMS
Turns Ratio
Primary
Prim
***
PRIM/SEC
PICO Primary
Unbal
DC
Prices
Part Impedence
DC
Resist
19
Number Ohms
Current
Ohms
1KHz 400Hz 300Hz
SEC
SEC (US $)
ma
SER PAR
SER PAR
and
and
and
SER PAR
CONN CONN
CONN CONN
higher higher higher
CONN CONN
Power Watts
76203
76205
76210
76215
76218
76220
76225
76228
76230
76235
76240
76245
76250
76255
20ct
20ct
32ct
40ct
48ct
50ct
80ct
100ct
100ct
120ct
120ct
120ct
150ct
150ct
8ct
20ct
32ct
40ct
16ct
50ct
32ct
40ct
100ct
12.8ct
60ct
120ct
12ct
50ct
2
5
8
10
4
12.5
8
10
25
3.2
15
30
3
12.5
.6
.6
.6
.6
.6
.6
.6
.6
.6
.6
.6
.6
.6
.6
.4
.4
.4
.4
.4
.4
.4
.4
.4
.4
.4
.4
.4
.4
.3
.3
.3
.3
.3
.3
.3
.3
.3
.3
.3
.3
.3
.3
30.0
30.0
23.0
21.0
19.0
19.0
15.0
13.0
13.0
12.0
12.0
12.0
11.0
11.0
2
2
3.3
3.7
3.75
5
7.5
10.8
10.8
9.3
9
11.6
11.2
13
1.2
2.8
4.5
5
3
7
4.3
5
12
2.2
7.2
13
2.2
6.8
.3
.7
1.13
1.25
.75
1.75
1.13
1.25
3
.55
1.8
3.3
55
1.7
1.58:1
1:1
1:1
1:1
1.73:1
1:1
1.58:1
1.58:1
1:1
3.06:1
1.41:1
1:1
3.54:1
1.73:1
3.16:1
2:1
2:1
2:1
3.46:1
2:1
3.16:1
3.16:1
2:1
6.12:1
2.83:1
2:1
7.08:1
3.46:1
50.32
50.32
50.32
50.32
50.32
50.32
50.32
50.32
50.32
50.32
50.32
50.32
50.32
50.32
Turns Ratio
Primary
Prim
***
PRIM/SEC
PICO Primary
Unbal
DC
Prices
Part Impedence
DC
Resist
19
Number Ohms
Current
Ohms
1KHz 400Hz 300Hz
SEC SEC (US $)
ma
SER
PAR
SER PAR
and
and
and
SER PAR
CONN CONN
CONN CONN
higher higher higher
CONN CONN
Power Watts
76755
76760
76765
76770
76775
76777
76779
76780
76785
76787
76790
76795
76800
76805
76810
76815
40,000ct 2000ct
40,000ct 4000ct
40,000ct 20,000ct
*40,000ct 40,000ct
50,000ct
200ct
50,000ct
50,000ct
60,000ct
62,500ct
80,000ct
500ct
600ct
15,000ct
50ct
15,000ct
500
1000
5000
50
125
150
3750
12.5
3750
2500
3750
15
25
125
2500
.25
.25
.25
.25
.2
.2
.2
.16
.16
.12
.1
.1
.1
.1
.1
.1
.25
.25
.25
.25
.2
.2
.2
.16
.16
.12
.1
.1
.1
.1
.1
.1
.25
.25
.25
.25
.2
.2
.2
.16
.16
.12
.1
.1
.1
.1
.1
.1
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
3400
3400
3400
3400
4850
4850
4850
5275
5445
6130
8140
8400
8750
8750
8750
8750
268
476
2700
4750
27
68
75
2250
8.7
2250
1520
2250
9.2
15
68
1535
67
119
675
6.7
17
18.5
563
2.2
563
380
563
2.3
3.8
17
385
4.47:1
3.16:1
1.41:1
1:1
15.8:1
8.94:1
6.32:1
2.83:1
31.6:1
66.77
66.77
66.77
74.47
74.47
Secondary
Impedence
Ohms
Split
Windings
Secondary
DC
Resistance
OHMS
10:1
20:1 74.47
9.13:1 18.26:1 74.47
2:1
4:1
80.29
35.4:1 70.7:1 80.29
2.3:1 4.6:1 80.29
3:1
2.52:1
40.8:1
31.6:1
14.1:1
3.16:1
6:1
5.03:1
81.6:1
63.2:1
28.3:1
6.32:1
84.37
84.37
84.37
84.37
84.37
84.37
90,000ct 10,000ct
95,000ct 15,000ct
100,000ct
60ct
100,000ct 100ct
100,000ct 500ct
100,000ct 10,000ct
* INCLUDES ELECTROSTATIC SHIELD
***Discount Prices:
19 Net;
1024 less 10%;
2549 less 16%;
5099 less 23%;
100499 less 30%
Features
Extreme resistance to
thermal shock
Ultra Miniature size
PICO is approved QPL
source (MILPRF27)
Magnetic shields available
Electrostatic shielding can
be added
Variation of standards
designs available
Primary and secondary
windings can be used either
as input or output
Every unit in this catalog can
be made with a 300 thermal
cycle guarantee using
PICO's special SR
construction. Contact
factory for details.
Ordering Instructions:
No minimum.
Net 30 days F.O.B. Pelham, NY
Deliverystock to one week for sample
orders.
Schematics
for Transformers
with Electrostatic Shield
Schematics
for Transformers
with Split Secondaries
RECOMMENDED LAND PATTERN
DIMENSIONS
Click Here for Plugin Version of These Units
For immediate engineering assistance or to place an order:
Call Toll Free: 8004311064
PICO Electronics, Inc.
143 Sparks Ave. Pelham, NY 108031810
Tel: 9147381400 or Fax: 9147388225
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