Audio Transformers:

2 Ohm to 40K Ohm; 400Hz to 100KHz; 400 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

MIL-PRF-27: All units manufactured to MIL-PRF-27, Grade 5, Class S.
FREQUENCY RESPONSE: ± 3db, 400 Hz-100 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: 3 Grams
TERMINALS: Solderability per MIL-STD-202, Method 208.
THERMAL SHOCK: 25 Cycles, Method 107, MIL-STD-202, Test Condition -55º C to +130º C.
MOISTURE SENSITIVITY LEVEL: MSL3

Bottom View
Larger size schematic

Audio Transformers: 2 Ohm to 40K Ohm; 400Hz to 100KHz; 400 milliwatt at 1KHz

Gull
Wing
PICO
Part
Number

J
Lead
PICO
Part
Number

Primary
Imped
Ohms

Secondary
Impedence
Ohms
Split
Windings

Power
Watts

Primary
Unbal
DC
Current
ma

Prim
DC
Resist
Ohms

Secondary
DC
Resistance
Ohms

Turns/Ratio
Prim/Sec

Pico
Prices
1-9**
(US $)

SER

PAR

1KHz
and
higher

400Hz
and
higher

SER
CONN

PAR
CONN

SEC
SER
CONN

SEC
PAR
CONN

71003
71005
71010
71015
71020

81003
81005
81010
81015
81020

10ct
20ct
20ct
32ct
40ct

10ct
8ct
20ct
32ct
40ct

2.5
2
5
8
10

.4
.4
.4
.4
.4

.075
.075
.075
.075
.075

31.6
22.3
22.3
17.6
15.8

1.1
2.2
2.2
3.5
4

1.3
1
2.6
4.2
4.5

.33
.25
.65
1.05
1.2

1:1
1.58:1
1:1
1:1
1:1

2:1
3.16:1
2:1
2:1
2:1

68.48

71025
71030
71035
71040
71045

81025
81030
81035
81040
81045

48ct
50ct
80ct
100ct
100ct

16ct
50ct
32ct
40ct
100ct

4
12.5
8
10
25

.4
.4
.4
.4
.4

.075
.075
.075
.075
.075

14.4
14.1
11.1
10
10

5.3
5.6
8
10
10

1.9
6.5
4
4.5
12

.48
1.6
1
1.2
3

1.73:1
1.1
1.58:1
1.58:1
1:1

3.46:1
2:1
3.16:1
3.16:1
2:1

72.67
72.67
86.26
72.67
65.36

Gull Wing PICO Part Number	J Lead PICO Part Number	Primary Imped Ohms	Secondary Impedence Ohms Split Windings		Power Watts		Primary Unbal DC Current ma	Prim DC Resist Ohms	Secondary DC Resistance Ohms		Turns/Ratio Prim/Sec		Pico Prices 1-9 (US $)**
Gull Wing PICO Part Number	J Lead PICO Part Number	Primary Imped Ohms	SER	PAR	1KHz and higher	400Hz and higher	Primary Unbal DC Current ma	Prim DC Resist Ohms	SER CONN	PAR CONN	SEC SER CONN	SEC PAR CONN	Pico Prices 1-9 (US $)**
71050 71055 71060 71065 71070	81050 81055 81060 81065 81070	120ct 120ct 120ct 150ct 150ct	12.8ct 60ct 120ct 12ct 50ct	3.2 15 30 3 12.5	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	9.1 9.1 9.1 8.2 8.2	12 12 12 15 15	1.5 7.2 14.5 1.5 6	.38 1.8 3.6 .38 1.5	3.06:1 1.41:1 1:1 3.54:1 1.73:1	6.12:1 2.83:1 2:1 7.08:1 3.46:1	65.36 86.26 86.26 65.43 72.67
71075 71080 71085 71090 71095	81075 81080 81085 81090 81095	150ct 150ct 150ct 200ct 300ct	100ct 150ct 600ct 200ct 12ct	25 37.5 150 50 3	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	8.2 8.2 8.2 7 5.8	15 15 15 20 30	12 16.8 70 24 1.5	3 4.2 17.5 6 .38	1.22:1 1:1 1:2 1:1 5:1	2.45:1 2:1 1:1 2:1 10:1	72.67 86.26 72.67 72.67 65.36
71100 71105 71110 71115 71120	81100 81105 81110 81115 81120	300ct 300ct 300ct 300ct 320ct	50ct 150ct 300ct 600ct 12.8ct	12.5 37.5 75 150 3.2	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	5.8 5.8 5.8 5.8 5.6	30 30 30 30 32	6 18 36 72 1.5	1.5 4.5 9 18 .38	2.45:1 1.41:1 1:1 1:1.41 5:1	4.9:1 2.83:1 2:1 1.41:1 10:1	72.67 72.67 86.26 65.36 65.36
71125 71130 71135 71140 71145	81125 81130 81135 81140 81145	400ct 400ct 400ct 400ct 400ct	40ct 120ct 200ct 400ct 1000ct	10 30 50 100 250	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	5 5 5 5 5	40 40 40 40 40	4.5 14 24 48 120	1.1 3.5 6 12 30	3.16:1 1.83:1 1.41:1 1:1 1:1.58	6.32:1 3.65:1 2.83:1 2:1 1.26:1	86.26 86.26 72.67 86.26 98.99
71150 71155 71160 71165 71170	81150 81155 81160 81165 81170	400ct 400ct 500ct 500ct 500ct	2000ct 4000ct 12.8ct 16ct 50ct	500 1000 3.2 4 12.5	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	5 5 4.5 4.5 4.5	40 40 50 50 50	240 480 1.5 2 6	60 120 .38 .5 1.5	1:2.24 1:3.16 6.25:1 5.6:1 3.16:1	1:1.12 1:1.58 12.5:1 11.2:1 6.32:1	98.99 89.39 75.76 75.76 75.76
71175 71180 71185 71190 71195	81175 81180 81185 81190 81195	500ct 500ct *500ct 500ct 600ct	150ct 500ct 500ct 600ct 12.8ct	37.5 125 - 150 3.2	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	4.5 4.5 4.5 4.5 4.1	50 50 50 50 60	16 60 60 72 1.5	4.5 15 - 18 .38	1.83:1 1:1 1:1 1:1.1 6.85:1	3.65:1 2:1 - 1.83:1 13.7:1	75.76 75.76 75.76 75.76 65.36
71200 71205 71210 71215 71220	81200 81205 81210 81215 81220	600ct 600ct 600ct 600ct *600ct	30ct 48ct 200ct 600ct 600ct	7.5 12 50 150 -	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	4.1 4.1 4.1 4.1 4.1	60 60 60 60 60	3.6 5.8 24 72 72	.9 1.45 6 18 -	4.47:1 3.54:1 1.73:1 1:1 1:1	8.94:1 7.07:1 3.46:1 2:1 -	68.48 68.48 68.48 68.48 75.76
71225 71230 71235 71240 71245	81225 81230 81235 81240 81245	600ct 640ct 700ct 800ct 800ct	1200ct 12.8ct 100ct 12.8ct 48ct	300 3.2 25 3.2 12	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	4.1 3.9 3.8 3.5 3.5	60 64 70 80 80	144 1.5 12 1.5 5.8	36 .38 3 .38 1.45	1:1.41 7.07:1 2.65:1 7.9:1 4.08:1	1.41:1 14.4:1 5.29:1 15.8:1 8.16:1	68.48 68.48 68.48 68.48 102.21
71250 71255 71260 71265 71270	81250 81255 81260 81265 81270	800ct 900ct 1000ct 1000ct 1000ct	800ct 600ct 12ct 50ct 1000ct	200 150 3 12.5 250	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	3.5 3.3 3.2 3.2 3.2	80 90 100 100 100	96 72 1.5 6 120	24 18 0.38 1.5 30	1:1 1.22:1 9.13:1 4.47:1 1:1	2:1 2.45:1 18.3:1 8.94:1 2:1	68.48 68.48 68.48 75.76 75.76
71275 71280 71285 71290 71295	81275 81280 81285 81290 81295	1060ct 1200ct 1200ct 1200ct *1200ct	12.8ct 12.8ct 500ct 1200ct 1200ct	3.2 3.2 125 300 -	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	3.1 2.9 2.9 2.9 2.9	106 120 120 120 120	1.5 1.5 60 140 140	.38 .38 15 35 -	9.1:1 9.68:1 1.55:1 1:1 1:1	18.2:1 19.4:1 3.1:1 2:1 -	68.48 61.70 61.70 61.70 84.33
71300 71305 71310 71315 71320	81300 81305 81310 81315 81320	1500ct 1500ct 1500ct 1500ct 1600ct	12ct 500ct 600ct 1500ct 12.8ct	3 125 - - 3.2	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	2.6 2.6 2.6 2.6 2.5	150 150 150 150 160	1.5 60 72 180 1.5	.38 15 - - .38	11.2:1 1.73:1 1.58:1 1:1 11.2:1	22.4:1 3.46:1 - - 22.4:1	68.48 75.74 75.76 75.76 68.48

Gull Wing PICO Part Number	J Lead PICO Part Number	Primary Imped Ohms	Secondary Impedence Ohms Split Windings		Power Watts		Primary Unbal DC Current ma	Prim DC Resist Ohms	Secondary DC Resistance Ohms		Turns/Ratio Prim/Sec		Pico Prices 1-9 (US $)**
Gull Wing PICO Part Number	J Lead PICO Part Number	Primary Imped Ohms	SER	PAR	1KHz and higher	400Hz and higher	Primary Unbal DC Current ma	Prim DC Resist Ohms	SER CONN	PAR CONN	SEC SER CONN	SEC PAR CONN	Pico Prices 1-9 (US $)**
71325 71330 71335 71340 71345	81325 81330 81335 81340 81345	2000ct 2000ct *2000ct 2000ct 2500ct	8ct 2000ct 2000ct 8000ct 2500ct	2 500 - 2000 625	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	2.2 2.2 2.2 2.2 2	200 200 200 200 250	1 240 240 960 300	.25 60 - 240 75	15.8:1 1:1 1:1 1:2 1:1	31.6:1 2:1 - 1:1 2:1	89.38 89.38 98.99 89.38 89.38
71350 71355 71360 71365 71370	81350 81355 81360 81365 81370	3000ct *3000ct 3600ct 4000ct 4000ct	3000ct 3000ct 3600ct 16ct 600ct	725 - 900 4 150	.4 .4 .4 .4 .4	.075 .075 .075 .075 .075	1.8 1.8 1.7 1.6 1.6	300 300 360 400 400	360 360 432 1.9 72	90 - 108 .47 18	1:1 1:1 1:1 15.8:1 2.58:1	2:1 - 2:1 31.6:1 5.16:1	72.72 98.99 72.72 89.38 89.38
71375 71380 71385 71390 71395	81375 81380 81385 81390 81395	4000ct *4000ct 5000ct 5000ct 7500ct	1000ct 8000ct 500ct 5000ct 50ct	250 - 125 1250 12.5	.4 .4 .4 .4 .33	.075 .075 .075 .075 .075	1.6 1.6 1.4 1.4 1.2	400 400 500 500 750	120 960 60 600 6	30 - 15 150 1.5	2:1 1:1.41 3.16:1 1:1 12.2:1	4:1 - 6.32:1 2:1 24.5:1	98.99 98.99 75.76 75.76 75.76
71400 71405 71410 71415 71420	81400 81405 81410 81415 81420	7500ct 7500ct 7500ct *7500ct 8000ct	100ct 600ct 2500ct 7500ct 12.8ct	25 150 625 - 3.2	.33 .33 .33 .33 .3	.075 .075 .075 .075 .075	1.2 1.2 1.2 1.2 1.1	750 750 750 750 800	12 72 300 900 1.5	3 18 75 - .38	8.66:1 3.54:1 1.73:1 1:1 25:1	17.3:1 7.07 3.46:1 - 50:1	75.76 84.33 84.33 98.99 75.76
71425 71430 71435 71440 71445	81425 81430 81435 81440 81445	8000ct 8000ct 9000ct 10,000ct 10,000ct	1000ct 1200ct 9000ct 12.8ct 16ct	250 - - 3.2 4	.3 .3 .27 .25 .25	.075 .075 .075 .075 .075	1.1 1.1 1.1 1.0 1.0	800 800 900 1000 1000	120 144 1080 1.5 1.92	30 - - .38 .48	2.83:1 2.58:1 1:1 28:1 25:1	5.66:1 - - 56:1 50:1	84.33 98.99 98.99 68.48 68.48
71450 71455 71460 71465 71470	81450 81455 81460 81465 81470	10,000ct 10,000ct 10,000ct 10,000ct 10,000ct	100ct 200ct 500ct 600ct 1000ct	25 50 125 150 250	.25 .25 .25 .25 .25	.075 .075 .075 .075 .075	1.0 1.0 1.0 1.0 1.0	1000 1000 1000 1000 1000	12 24 60 72 120	3 6 15 18 30	10:1 7.07:1 4.47:1 4.08:1 3.16:1	20:1 14.14:1 8.94:1 8.16:1 6.32:1	75.76 75.76 75.76 75.76 75.76
71475 71480 71485 71490 71495	81475 81480 81485 81490 81495	10,000ct 10,000ct 10,000ct 10,000ct 10,000ct	1200ct 1500ct 2000ct 5000ct 7500ct	300 375 500 1250 1875	.25 .25 .25 .25 .25	.075 .075 .075 .075 .075	1.0 1.0 1.0 1.0 1.0	1000 1000 1000 1000 1000	144 180 240 600 900	36 45 60 150 225	2.89:1 2.58:1 2.24:1 1.41:1 1.15:1	5.77:1 5.16:1 4.47:1 2.83:1 2.3:1	89.38 89.38 87.59 89.09 89.38
71500 71505 71510 71515 71520	81500 81505 81510 81515 81520	10,000ct *10,000ct 15,000ct 15,000ct 15,000ct	10,000ct 10,000ct 400ct 500ct 600ct	2500 - 100 125 150	.25 .25 .16 .16 .16	.075 .075 .075 .075 .075	1.0 1.0 .82 .82 .82	1000 1000 1500 1500 1500	1200 1200 48 60 72	300 - 12 15 18	1:1 1:1 6.12:1 5.48:1 5:1	2:1 - 12.24:1 10.95:1 10:1	86.16 98.99 86.16 86.16 86.16
71525 71530 71535 71540 71545	81525 81530 81535 81540 81545	15,000ct *15,000ct 15,000ct 16,000ct 20,000ct	10,000ct 15,000ct 15,000ct 1000ct 500ct	2500 - 3750 250 125	.16 .16 .16 .15 .125	.075 .075 .075 .075 .075	.82 .82 .82 .8 .7	1500 1500 1500 1600 2000	1200 1800 1800 120 60	300 - 450 30 15	1.22:1 1:1 1:1 4:1 6.33:1	2.45:1 - 2:1 8:1 12.65:1	86.16 98.99 89.38 89.38 82.50
71550 71555 71560 71565 71570	81550 81555 81560 81565 81570	20,000ct 20,000ct 20,000ct 20,000ct 20,000ct	600ct 800ct 1000ct 5000ct 10,000ct	150 200 250 1250 2500	.125 .125 .125 .125 .125	.075 .075 .075 .075 .075	.7 .7 .7 .7 .7	2000 2000 2000 2000 2000	72 96 120 600 1200	18 24 30 150 300	5.77:1 5:1 4.47:1 2:1 1.41:1	11.55:1 10:1 8.94:1 4:1 2.83:1	82.50 78.86 98.99 86.16 86.16

Gull
Wing
PICO
Part
Number

J
Lead
PICO
Part
Number

Primary
Imped
Ohms

Secondary
Impedence
Ohms
Split
Windings

Power
Watts

Primary
Unbal
DC
Current
ma

Prim
DC
Resist
Ohms

Secondary
DC
Resistance
Ohms

Turns/Ratio
Prim/Sec

Pico
Prices
1-9**
(US $)

SER

PAR

1KHz
and
higher

400Hz
and
higher

SER
CONN

PAR
CONN

SEC
SER
CONN

SEC
PAR
CONN

71575
71580
71585
71590
71595

81575
81580
81585
81590
81595

*20,000ct
25,000ct
25,000ct
30,000ct
30,000ct

20,000ct
500ct
1000ct
50ct
1200ct

-
125
250
12.5
300

.125
.1
.1
.083
.083

.075
.075
.075
.075
.075

.7
.63
.63
.58
.58

2000
2500
2500
3000
3000

2400
60
120
6
144

-
15
30
1.5
36

1:1
7.07:1
5:1
24.5:1
5:1

-
14.14:1
10:1
49:1
10:1

98.99
89.38

89.38

71600
71605
71610
71615
71620
71625

81600
81605
81610
81615
81620
81625

30,000ct
30,000ct
30,000ct
30,000ct
*30,000ct 40,000ct

500ct
200ct
5000ct
10,000ct
30,000ct
400ct

125
50
1250
2500
-
100

.083
.083
.083
.083
.083
.062

.075
.075
.075
.075
.075
.062

.58
.58
.58
.58
.58
.5

3000
3000
3000
3000
3000
4000

60
24
600
1200
3600
48

15
6
150
300
-
12

7.75:1
12.25:1
2.45:1
1.73:1
1:1
10:1

15.5:1
24.5:1
4.9:1
3.46:1
-
20:1

89.38
89.38
89.38
89.38
97.28
97.28

* INCLUDES ELECTROSTATIC SHIELD

INDUCTORS

All Inductors have split windings and measurements are listed for both series and parallel connections. Two values of inductance, each at a particular value of D.C. current, are listed for each inductor.

Pico Part Number	Pico Part Number	Inductance Series		DC CURRENT	DC Resistance	Prices 1-9 (US $)**
71705	81705	Series	0.1 .08	4 10	25	68.48
71705	81705	Parallel	.025 .02	8 20	6.5	68.48
71710	81710	Series	.09 .05	2 6	105	68.48
71710	81710	Parallel	.23 .13	4 12	26	68.48
71715	81715	Series	2.5 0.9	2 4	630	68.48
71715	81715	Parallel	0.6 0.23	4 8	160	68.48
71720	81720	Series	4.5 1.2	2 4	2300	72.72
71720	81720	Parallel	1.1 0.3	4 8	575	72.72

**Discount Prices:

1-9 Net;
10-24 less 10%;
25-49 less 16%;
50-99 less 23%;
100-499 less 30%

Ordering Instructions:

No minimum.
Net 30 days F.O.B. Pelham, NY
Delivery--stock to one week for sample orders.

FEATURES:

Extreme resistance to thermal shock
Ultra Miniature size
PICO is approved QPL source (MIL-PRF-27)
Magnetic shield design available
Electrostatic shielding can be added
Variation of standard designs available
Every unit in this catalog can be made with a 300 thermal cycle guarantee using PICO's special SR construction.
Contact factory for details.

Schematics

Schematics for Transformers with Split Secondaries
Schematics for Transformers with Electrostatic Shield	Schematics for Inductors

RECOMMENDED LAND PATTERN DIMENSIONS

Click Here for Thru Hole Version of the 71000 and 81000 Series

For immediate engineering assistance or to place an order:
Call Toll Free: 800-431-1064

PICO Electronics, Inc.

143 Sparks Ave. Pelham, NY 10803-1810
Tel: 914-738-1400 or Fax: 914-738-8225

Go back to Surface Mount Transformers and Inductors Selections