Audio Transformers:
2 Ohm to 135K Ohm; 75Hz to 30KHz; 1.5 watt 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 MILPRF27, Grade 5, Class S
FREQUENCY RESPONSE: ±3db, 75 Hz30 KHz at 1.0 Milliwatt.
MAXIMUM DISTORTION: 5% with Rated Power Level at 1 KHz, 300 Hz and 75 Hz.
DIELECTRIC STRENGTH: All units tested at 200 V RMS.
INSULATION RESISTANCE: Greater than 10,000 Megohms at 300 V DC.
WEIGHT: 12 Grams
OPERATING TEMPERATURE: 55º C to +130º C
TERMINALS: Solderability per MILSTD202, Method 208.
THERMAL SHOCK: 25 Cycles, Method 107, MILSTD202, Test Condition 55º C to +130º C.
MOISTURE SENSITIVITY LEVEL: MSL3
Bottom View
Larger size schematic
Audio Transformers 2 Ohm to 135K Ohm; 75Hz to 30KHz; 1.5 watt at 1KHz
Secondary
Impedance
Ohms
Split
Pico
Prim
Part Imped Windings
Number Ohms
Primary
Unbal
DC
Current
300
1KHz
75 Hz
ma
Hz
SER PAR and
and
and
higher
higher
higher
250
12.5
300
125
50
.4
.33
.33
.33
.33
.33
.33
.33
.25
.25
.25
.25
.25
.2
.2
.2
.2
.16
.16
.12
.11
.1
.1
.1
.1
.1
.1
.1
.07
.4
.33
.33
.33
.33
.33
.33
.33
.25
.25
.25
.25
.25
.2
.2
.2
.2
.16
.16
.12
.11
.1
.1
.1
.1
.1
.1
.1
.07
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.6
.6
.6
.6
.6
.6
.6
.6
.5
.5
.5
.5
.5
.4
.4
.4
.4
.4
.4
.3
.3
.3
.3
.3
.3
.3
.3
.3
.2
Power Watt
Prim
DC
Resist
Ohms
Turns Ratio Pico
Prime/Sec Price
19
***
SEC SEC (US
SER PAR
SER PAR $)
CONN CONN
CONN CONN
95
4.75
114
47.5
19
475
950
2850
38
190
380
1900
3800
19
47.5
57
4750
1430
4.75
1430
950
1430
5.7
9.5
47.5
95
190
950
7.8
23.8
1.19
28.5
11.88
4.75
119
238
9.5
47.5
95
475
4.75
11.88
14.3
1190
358
1.19
358
238
358
1.43
2.38
11.88
23.8
47.5
238
1.9
5:1
24.5:1
5:1
7.7:1
12.2:1
2.45:1
1.73:1
1:1
10:1
4.47:1
3.16:1
1.41:1
1:1
15.8:1
10:1
9.13:1
1:1
2:1
35.4:1
2.3:1
3:1
2.5:1
40.8:1
31.6:1
14.1:1
10:1
7.07:1
3.16:1
40.6:1
10:1
49:1
10:1
15.5:1
24.5:1
4.9:1
3.46:1
20:1
8.94:1
6.32:1
2.83:1
31.6:1
20:1
18.26:1
2:1
4:1
70.7:1
4.6:1
6:1
5:1
81.6:1
63.2:1
28.3:1
20:1
14.14:1
6.32:1
81.2:1
73.07
75.97
75.97
75.97
75.97
75.97
75.97
81.84
81.84
81.84
81.84
81.84
90.85
90.85
90.85
90.85
90.85
98.16
98.16
98.16
98.16
103.02
103.02
103.02
103.02
103.02
103.02
103.02
107.62
Secondary
DC
Resistance
Ohms
82520
82525
82530
82532
82534
82535
82540
82545
82550
82555
82560
82565
82570
82575
82577
82578
82579
82580
82585
82587
82590
82595
82600
82605
82610
82613
82614
82615
82620
25,000ct 1000 ct
30,000ct 50 ct
30,000ct 1200 ct
30,000ct 500 ct
30,000ct 200 ct
30,000ct
30,000ct
*30,000ct
40,000ct
40,000ct
40,000ct
40,000ct
*40,000ct
50,000ct
50,000ct
2000
2400
2400
2400
2400
2400
2400
2400
3200
3200
3200
3200
3200
4000
4000
4000
4000
4800
5000
6400
7200
7600
8000
8000
8000
8000
8000
8000
10,800
5000 ct 1250
10,000ct 2500
30,000ct
400 ct
100
2000 ct 500
4000 ct 1000
20,000ct 5000
40,000ct
200 ct
50
500 ct
125
50,000ct 600 ct
150
50,000ct 50,000ct 12,500
60,000ct 15,000ct 3750
62,500ct 50 ct
12.5
80,000ct 15,000ct 3750
90,000ct
95,000ct
100,000ct
100,000ct
100,000ct
10,000ct 2500
15,000ct 3750
60 ct
15
100 ct
25
500 ct
125
100,000ct 1000 ct 250
100,000ct 2000 ct 500
100,000ct 10,000ct 2500
135,000ct 82 ct
20.5
*Includes electrostatic shield
**Miniaturized telephoned coupling application
***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 standard designs available.
Ordering Instructions:
No minimum.
Net 30 days F.O.B. Pelham, NY
Deliverystock to one week for sample
orders.
stm32/stm8
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