Ultra Miniature Transformers

W Series Thru Hole

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: 2.5 Grams.
OPERATING TEMPERATURE: -55º C to +130º C
TERMINALS: Solid .016 Diameter Conductor. Solderability per MIL-STD-202 Method 208.
THERMAL SHOCK: 25 Cycles, Method 107, MIL-STD-202, Test Condition 55º C. to +130º C

Larger size drawing of W Series

Ultra Miniature Transformers:
W Series

Pico
Part
Number
W Series

Prim.
Imped.
Ohms

Sec.
Imped.
Ohms
Split
Windings

Power
Watts

Prim.
Unbal.
DC
Curr.
ma

Prim.
DC
Resist.
Ohms

Sec.
DC
Resist.
Ohms

Turns Ratio
Prim/Sec.

Prices
1-9 ***
(US $)

SER

PAR

1 KHz
and
higher

400 Hz
and
higher

Ser
Conn

Par
Conn

Sec
Ser
Conn

Sec
Par
Conn

W-26003
W-26005
W-26010
W-26015
W-26020

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

65.22
65.22
65.22
65.22
65.22

W-26025
W-26030
W-26035
W-26040
W-26045

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

69.12
69.12
82.17
69.12
69.12

Ultra Miniature Transformers: W Series
Pico Part Number W Series	Prim. Imped. Ohms	Sec. Imped. Ohms Split Windings		Power Watts		Prim. Unbal. DC Curr. ma	Prim. DC Resist. Ohms	Sec. DC Resist. Ohms		Turns Ratio Prim/Sec.		Prices 1-9 * (US $)**
Pico Part Number W Series	Prim. Imped. Ohms	SER	PAR	1 KHz and higher	400 Hz and higher	Prim. Unbal. DC Curr. ma	Prim. DC Resist. Ohms	Ser Conn	Par Conn	Sec Ser Conn	Sec Par Conn	Prices 1-9 * (US $)**
W-26050 W-26055 W-26060 W-26065 W-26070	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	62.20 82.17 82.17 62.20 69.12
W-26075 W-26080 W-26085 W-26090 W-26095	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	69.12 82.17 69.12 69.12 62.20
W-26100 W-26105 W-26110 W-26115 W-26120	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	69.12 69.12 82.17 62.20 62.20
W-26125 W-26130 W-26135 W-26140 W-26145	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	82.17 82.17 69.12 82.17 94.21
W-26150 W-26155 W-26160 W-26165 W-26170	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	94.21 85.14 72.12 72.12 72.12
W-26175 W-26180 W-26185 W-26190 W-26195	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	18 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	72.12 72.12 72.12 72.12 62.20
W-26200 W-26205 W-26210 W-26215 W-26220	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 -	65.22 65.22 65.22 65.22 72.12
W-26225 W-26230 W-26235 W-26240 W-26245	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 14.14:1 5.29:1 15.8:1 8.16:1	65.22 65.22 65.22 65.22 72.12
W-26250 W-26255 W-26260 W-26265 W-26270	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 .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	65.22 65.22 65.22 72.12 72.12

Ultra Miniature Transformers: W Series
Pico Part Number W Series	Prim. Imped. Ohms	Sec. Imped. Ohms Split Windings		Power Watts		Prim. Unbal. DC Curr. ma	Prim. DC Resist. Ohms	Sec. DC Resist. Ohms		Turns Ratio Prim/Sec.		Prices 1-9 * (US $)**
Pico Part Number W Series	Prim. Imped. Ohms	SER	PAR	1 KHz and higher	400 Hz and higher	Prim. Unbal. DC Curr. ma	Prim. DC Resist. Ohms	Ser Conn	Par Conn	Sec Ser Conn	Sec Par Conn	Prices 1-9 * (US $)**
W-26275 W-26280 W-26285 W-26290 W-26295	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 -	65.22 58.72 58.72 58.72 80.36
W-26300 W-26305 W-26310 W-26315 W-26320	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	65.22 72.14 72.14 72.14 65.22
W-26325 W-26330 W-26335 W-26340 W-26345	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	85.14 85.14 94.21 85.14 85.14
W-26350 W-26355 W-26360 W-26365 W-26370	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	69.29 94.21 69.28 85.14 85.14
W-26375 W-26380 W-26385 W-26390 W-26395	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	94.21 94.21 72.14 72.14 72.14
W-26400 W-26405 W-26410 W-26415 W-26420	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 7.07:1 3.46:1 - 50:1	72.14 80.33 80.33 94.21 72.14
W-26425 W-26430 W-26435 W-26440 W-26445	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	80.33 94.21 94.21 65.22 65.22
W-26450 W-26455 W-26460 W-26465 W-26470	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	72.14 72.14 72.14 72.14 72.14
W-26475 W-26480 W-26485 W-26490 W-26495	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	85.14 85.14 83.36 83.36 85.14
W-26500 W-26505 W-26510 W-26515 W-26520	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	83.36 94.21 82.17 82.17 82.17

Ultra Miniature Transformers: W Series
Pico Part Number W Series	Prim. Imped. Ohms	Sec. Imped. Ohms Split Windings		Power Watts		Prim. Unbal. DC Curr. ma	Prim. DC Resist. Ohms	Sec. DC Resist. Ohms		Turns Ratio Prim/Sec.		Prices 1-9 * (US $)**
Pico Part Number W Series	Prim. Imped. Ohms	SER	PAR	1 KHz and higher	400 Hz and higher	Prim. Unbal. DC Curr. ma	Prim. DC Resist. Ohms	Ser Conn	Par Conn	Sec Ser Conn	Sec Par Conn	Prices 1-9 * (US $)**
W-26525 W-26530 W-26535 W-26540 W-26545	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	82.17 94.21 84.33 84.33 82.17
W-26550 W-26555 W-26560 W-26565 W-26570	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	82.17 75.12 94.21 82.17 82.17
W-26575 W-26580 W-26585 W-26590 W-26595	*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	94.21 85.14 85.14 85.14 85.14
W-26600 W-26605 W-26610 W-26615 W-26620 W-26625	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	85.14 85.14 85.14 85.14 94.21 94.21
W-SHIELD: MU-METAL SHIELD .37" d x .32" h (9.4 mm d x 8.1 mm h) SINGLE SHIELD WXX-SHIELD: MU-METAL SHIELD .395" d x .33" h (10 mm d x 8.4 mm h) USE WITH W-SHIELD FOR DOUBLE SHIELDING												8.95 8.95

* Includes Electrostatic Shield
**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--Sample orders typically ship within two weeks.

Click Here For Surface Mount Version of W Series

FEATURES

Extreme resistance to thermal shock
Ultra miniature size
PICO is approved QPL Source (Mil-PRF-27)
Magnetic Shields available
Electrostatic shielding can be added
Variation of standard designs available
Special production techniques ensure uniform size and leads which are free of encapsulant. No meniscus in lead area.
Every unit can be made with a 300 thermal cycle guarantee using PICO's special SR construction. Contact factory for details.

INDUCTORS
PART NUMBERS	INDUCTANCE SERIES	DC CURRENT ma	DC RESISTANCE OHMS	PRICE 1-9* (US $)**
W-26705	SERIES 0.1 .08 PARALLEL .025 .02	4 10 8 20	25 6.5	51.83
W-26710	SERIES 0.9 0.5 PARALLEL .23 .13	2 6 4 12	105 26	51.83
W-26715	SERIES 2.5 0.9 PARALLEL 0.6 0.23	2 4 4 8	630 160	51.83
W-26720	SERIES 4.5 1.2 PARALLEL 1.1 0.3	2 4 4 8	2300 575	58.96

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 DC Current, are listed for each inductor.
Delivery - Sample orders typically ship within two weeks.

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 Thru Hole Transformers and Inductors menu

Ultra Miniature Transformers

W Series Thru Hole

Ultra Miniature Transformers: W Series

Ultra Miniature Transformers: W Series

Ultra Miniature Transformers: W Series

Ultra Miniature Transformers: W Series

INDUCTORS

PICO Electronics, Inc.

Pico Electronics Inc.

Ultra Miniature Transformers:
W Series

Ultra Miniature Transformers:
W Series

Ultra Miniature Transformers:
W Series

Ultra Miniature Transformers:
W Series