Audio Transformers:

2 Ohm to 30K Ohm; 400Hz to 250KHz; 100 milliwatt at 1KHz

SURFACE MOUNT
PICO surface mount units utilize materials and methods to withstand extreme temperatures (220º C) 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-250 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: 1.5 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 drawing

Audio Transformers: 2 Ohm to 30K Ohm; 400Hz to 250KHz; 100 milliwatt at 1KHz

Gull
Wing
PICO
Part
Number

J
Lead
PICO
Part

Number

Prim
Imped
Ohms

Secondary
Impedence
Ohms
Split
Windings

Power
Milliwatts

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

70003
70005
70010
70015
70020

80003
80005
80010
80015
80020

10ct
20ct
20ct
32ct
40ct

10ct
8ct
20ct
32ct
40ct

2.5
2
5
8
10

125
125
125
125
125

20
20
20
20
20

11.5
8
8
6.5
5.6

1.1
2.1
2.1
3.52
4

1.35
1.28
2.56
4.32
4.77

.34
.32
.64
1.08
1.19

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

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

92.81
92.81
92.81
92.81
92.07

70025
70030
70035
70040

70045

80025
80030
80035
80040
80045

48ct
50ct
80ct
100ct
100ct

16ct
50ct
32ct
40ct
100ct

4
12.5
8
10
25

125
125
125
125
125

20
20
20
20
20

5.2
5
4
3.6
3.6

4.3
5.5
8.5
12.1
12.1

2.3
6.6
4.25
4.85
12

.58
1.65
1.06
1.21
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

84.36
84.36
92.07
92.07
84.36

Gull Wing PICO Part Number	J Lead PICO Part Number	Prim Imped Ohms	Secondary Impedence Ohms Split Windings		Power Milliwatts		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	Prim 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 $)**
70050 70055 70060 70065 70070	80050 80055 80060 80065 80070	120ct 120ct 120ct 150ct 150ct	12.8ct 60ct 120ct 12ct 50ct	3.2 15 30 3 12.5	125 125 125 125 125	20 20 20 20 20	3.3 3.3 3.3 3 3	13.2 13.2 13.2 15 15	1.6 7.3 16 1.56 6.6	.4 1.83 4 .39 1.65	3.06:1 1.41:1 1:1 3.54:1 1.73:1	6.12:1 2.83:1 2:1 7.07:1 3.46:1	84.36 100.90 100.90 97.68 100.90
70075 70080 70085 70090 70095	80075 80080 80085 80090 80095	150ct 150ct 150ct 200ct 300ct	100ct 150ct 600ct 200ct 12ct	25 37.5 150 50 3	125 125 125 125 125	20 20 20 20 20	3 3 3 2.5 2	15 15 15 22 33	14.5 18.3 72 25.8 1.56	3.63 4.58 18 6.7 .39	1.22:1 1:1 1:2 1:1 5:1	2.45:1 2:1 1:1 2:1 10:1	100.90 100.90 100.90 100.90 100.90
70100 70105 70110 70115 70120	80100 80105 80110 80115 80120	300ct 300ct 300ct 300ct 320ct	50ct 150ct 300ct 600ct 12.8ct	12.5 37.5 75 150 3.2	125 125 125 125 125	20 20 20 20 20	2 2 2 2 2	33 33 33 33 34	6.6 18.3 40.3 72 1.6	1.65 4.58 10.08 18 .4	2.45:1 1:1.41 1:1 1:1.41 5:1	4.9:1 2.83:1 2:1 1.41:1 10:1	100.90 100.90 100.90 91.71 108.18
70125 70130 70135 70140 70145	80125 80130 80135 80140 80145	400ct 400ct 400ct 400ct 400ct	40ct 120ct 200ct 400ct 1000ct	10 30 50 100 250	125 125 125 125 125	20 20 20 20 20	1.8 1.8 1.8 1.8 1.8	49 49 49 49 48	4.7 16.3 27.3 49 120	1.18 4.08 6.83 12.25 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	108.18 108.18 108.18 98.38 108.18
70150 70155 70160 70165 70170	80150 80155 80160 80165 80170	400ct 400ct 500ct 500ct 500ct	2000ct 4000ct 12.8ct 16ct 50ct	500 1000 3.2 4 12.5	125 125 125 125 125	20 20 20 20 20	1.8 1.8 1.6 1.6 1.6	49 49 54 54 54	270 476 1.6 2.3 6.6	67.5 119 0.4 0.58 1.65	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	108.18 108.18 98.38 98.38 98.38
70175 70180 70185 70190 70195	80175 80180 80185 80190 80195	500ct 500ct *500ct 500ct 600ct	150ct 500ct 500ct 600ct 12.8ct	37.5 125 - 150 3.2	125 125 125 125 125	20 20 20 20 20	1.6 1.6 1.6 1.6 1.5	54 54 54 54 59	18.3 65 65 72 1.6	4.58 16.3 - 18 0.4	1.83:1 1:1 1:1 1:1.1 6.85:1	3.65:1 2:1 - 1.83:1 13.7:1	98.38 108.18 108.18 108.18 108.18
70200 70205 70210 70215 70220	80200 80205 80210 80215 80220	600ct 600ct 600ct 600ct *600ct	30ct 48ct 200ct 600ct 600ct	7.5 12 50 150 -	125 125 125 125 125	20 20 20 20 20	1.5 1.5 1.5 1.5 1.5	59 59 59 59 59	4.1 5.2 26.5 72 72	1.03 1.3 6.63 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 -	98.38 98.38 98.38 87.83 108.18
70225 70230 70235 70240 70245	80225 80230 80235 80240 80245	600ct 640ct 700ct 800ct 800ct	1200ct 12.8ct 100ct 12.8ct 48ct	300 3.2 25 3.2 12	125 125 125 125 125	20 20 20 20 20	1.5 1.5 1.35 1.3 1.3	59 62 65 88 88	160 1.6 12 15 6.7	40 0.4 3 4 1.68	1:1.41 7.07:1 2.65:1 7.9:1 4.08:1	1.41:1 14.14:1 5.29:1 15.8:1 8.16:1	98.38 98.38 98.38 108.18 100.90
70250 70255 70260 70265 70270	80250 80255 80260 80265 80270	800ct 900ct 1000ct 1000ct 1000ct	800ct 600ct 12ct 50ct 1000ct	200 150 3 12.5 250	125 125 125 125 125	20 20 20 20 20	1.3 1.2 1.2 1.2 1.2	88 93 120 120 120	106 74 1.55 6.6 120	26.5 18.5 0.39 1.65 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	100.90 100.90 111.04 111.04 100.90
70275 70280 70285 70290 70295	80275 80280 80285 80290 80295	1060ct 1200ct 1200ct 1200ct *1200ct	12.8ct 12.8ct 500ct 1200ct 1200ct	3.2 3.2 125 300 -	125 125 125 125 125	20 20 20 20 20	1.2 1 1 1 1	125 133 133 133 133	1.6 1.6 65 160 160	0.4 0.4 16.25 40 -	9.1:1 9.68:1 1.55:1 1:1 1:1	18.2:1 19.4:1 3.1:1 2:1 -	111.04 111.04 111.04 111.04 111.04

Gull Wing PICO Part Number	J Lead PICO Part Number	Prim Imped Ohms	Secondary Impedence Ohms Split Windings		Power Milliwatts		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	Prim 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 $)**
70300 70305 70310 70315 70320	80300 80305 80310 80315 80320	1500ct 1500ct 1500ct 1500ct 1600ct	12ct 500ct 600ct 1500ct 12.8ct	3 125 - - 3.2	125 125 125 125 125	20 20 20 20 20	1 1 1 1 1	180 180 180 180 190	1.55 65 73 215 1.6	0.39 16.3 - - 0.4	11.2:1 1.73:1 1.58:1 1:1 11.2:1	22.4:1 3.46:1 - - 22.4:1	111.04 100.90 100.90 111.04 111.04
70325 70330 70335 70340	80325 80330 80335 80340	2000ct 2000ct *2000ct 2000ct	8ct 2000ct 2000ct 8000ct	2 500 - 2000	125 125 125 125	20 20 20 20	0.8 0.8 0.8 0.8	218 218 218 218	1 260 260 830	0.25 65 - 207.5	15.8:1 1:1 1:1 1:2	31.6:1 2.1:1 - 1:1	111.04 111.04 111.04 111.04
70345 70350 70355 70360 70365	80345 80350 80355 80360 80365	2500ct 3000ct *3000ct 3600ct 4000ct	2500ct 3000ct 3000ct 3600ct 16ct	625 725 - 900 4	125 125 125 125 125	20 20 20 20 20	0.75 0.65 0.65 0.6 0.57	280 330 330 370 400	280 330 330 450 2.3	70 82.5 - 112.5 0.58	1:1 1:1 1:1 1:1 15.8:1	2:1 2:1 - 2:1 31.6:1	108.18 108.18 108.18 108.18 108.18
70370 70375 70380 70385 70390	80370 80375 80380 80385 80390	4000ct 4000ct *4000ct 5000ct 5000ct	600ct 1000ct 8000ct 500ct 5000ct	150 250 - 125 1250	125 125 125 125 125	20 20 20 20 20	0.57 0.57 0.57 0.5 0.5	400 400 400 540 540	73 120 1070 65 650	18.25 30 - 16.25 162.5	2.58:1 2:1 1:1.41 3.16:1 1:1	5.16:1 4:1 - 6.32:1 2:1	108.18 108.18 118.94 108.18 108.18
70395 70400 70405 70410 70415	80395 80400 80405 80410 80415	7500ct 7500ct 7500ct 7500ct *7500ct	50ct 100ct 600ct 2500ct 7500ct	12.5 25 150 625 -	125 125 125 125 125	20 20 20 20 20	.5 0.4 0.4 0.4 0.4	835 835 835 835 835	6.6 12 72 280 1020	1.65 3 18 70 -	12.2:1 8.66:1 3.54:1 1.73:1 1:1	24.5:1 17.3:1 7.07:1 3.46:1 -	118.94 109.28 109.28 109.28 109.28
70420 70425 70430 70435 70440	80420 80425 80430 80435 80440	8000ct 8000ct 8000ct 9000ct 10,000ct	12.8ct 1000ct 1200ct 9000ct 12.8ct	3.2 250 - - 3.2	125 125 125 125 125	20 20 20 20 20	0.4 0.4 0.4 0.4 0.36	865 865 865 1160 1200	1.6 120 160 1160 1.6	0.4 30 - - 0.4	25:1 2.83:1 2.58:1 1:1 28:1	50:1 5.66:1 - - 56:1	118.94 118.94 118.94 118.94 118.94
70445 70450 70455 70460 70465	80445 80450 80455 80460 80465	10,000ct 10,000ct 10,000ct 10,000ct 10,000ct	16ct 100ct 200ct 500ct 600ct	4 25 50 125 150	125 125 125 125 125	20 20 20 20 20	0.36 0.36 0.36 0.36 0.36	1200 1200 1200 1200 1200	1.77 12 27 65 72	0.44 3 6.75 16.25 18	25:1 10:1 7.07:1 4.47:1 4.08:1	50:1 20:1 14.14:1 8.94:1 8.16:1	109.28 109.28 109.28 109.28 109.28
70470 70475 70480 70485 70490	80470 80475 80480 80485 80490	10,000ct 10,000ct 10,000ct 10,000ct 10,000ct	1000ct 1200ct 1500ct 2000ct 5000ct	250 300 375 500 1250	125 125 125 125 125	20 20 20 20 20	0.36 0.36 0.36 0.36 0.36	1200 1200 1200 1200 1200	120 160 215 260 650	30 40 53.8 65 162.5	3.16:1 2.88:1 2.58:1 2.24:1 1.41:1	6.32:1 5.77:1 5.16:1 4.47:1 2.83:1	109.28 109.28 111.04 111.04 111.04
70495 70500 70505 70510 70515	80495 80500 80505 80510 80515	10,000ct 10,000ct *10,000ct 15,000ct 15,000ct	7500ct 10,000ct 10,000ct 400ct 500ct	1875 2500 - 100 125	125 125 125 100 100	20 20 20 15 15	0.36 0.36 0.36 0.35 0.35	1200 1200 1200 1420 1420	1020 1200 1440 43 49	255 300 - 10.75 12.25	1.15:1 1:1 1:1 6.12:1 5.48:1	2.3:1 2:1 - 12.24:1 10.95:1	111.04 100.90 118.94 109.28 109.28
70520 70525 70530 70535 70540	80520 80525 80530 80535 80540	15,000ct 15,000ct *15,000ct 15,000ct 16,000ct	600ct 10,000ct 15,000ct 15,000ct 1000ct	150 2500 - 3750 250	100 100 100 100 100	15 15 15 15 15	0.35 0.35 0.35 0.35 0.35	1420 1420 1420 1420 1500	68 1100 1730 1730 115	17 275 - 433 28.75	5:1 1.22:1 1:1 1:1 4:1	10:1 2.45:1 - 2:1 8:1	109.28 109.28 118.94 111.04 111.04

Gull
Wing
PICO
Part
Number

J
Lead
PICO
Part
Number

Prim
Imped
Ohms

Secondary
Impedence
Ohms
Split
Windings

Power
Milliwatts

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

70545
70550
70555
70560
70565
70570

80545
80550
80555
80560
80565
80570

20,000ct
20,000ct
20,000ct
20,000ct
20,000ct
20,000ct

500ct
600ct
800ct
1000ct
5000ct
10,000ct

125
150
200
250
1250
2500

100
100
100
100
100
100

15
15
15
15
15
15

0.3
0.3
0.3
0.3
0.3
0.3

1600
1600
1600
1600
1600
1600

60
66
94
106
600
1100

15
16.5
23.5
26.5
150
275

6.33:1
5.77:1
5:1
4.47:1
2:1
1.41:1

12.65:1
11.55:1
10:1
8.94:1
4:1
2.83:1

118.94
118.94

118.94
118.94
118.94
118.94

* Includes Electrostatic Shield

INDUCTORS All Inductors have split windings and measurements are listed for both series and parrallel connections. Two values of inductance, each at a particular value of D.C. current are listed for each inductor.
Part Number	Part Number	Inductance		DC CURRENT ma	DC Resistance OHMS	Prices 1-9* (US $)**
70825	80825	Series	10.0 2.75	0 2	2250	96.02
70825	80825	Parallel	2.5 .65	0 4	560	96.02
70830	80830	Series	5.5 1.5	0 2	1000	96.02
70830	80830	Parallel	1.3 .40	0 4	250	96.02
70835	80835	Series	.85 .25	1 6	240	96.02
70835	80835	Parallel	.21 .06	2 12	60	96.02
70840	80840	Series	.6 .15	0 5	144	96.02
70840	80840	Parallel	.15 .04	0 10	36	96.02

**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 shockUltra Miniature size
PICO is approved QPL source (MIL-PRF-27)
Magnetic shield designs available
Electrostatic shielding can be added
Variation of standards 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