Ultra Miniature Transformers

R Series Thru Hole

Specifications:

MIL-PRF-27: All units manufactured to MIL-PRF-27, Grade 5, Class S.
FREQUENCY RESPONSE: ±3db, 75 Hz - 30 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: 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

For Surface Mount Equivalent of this series click here

Larger size drawing of R Series

Ultra Miniature Transformers:
R Series

Pico
Part
Number

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

300 Hz
and
higher

75 Hz
and
higher

Ser
Conn

Par
Conn

Sec
Ser
Conn

Sec
Par
Conn

R-20003
R-20005
R-20010
R-20015
R-20018

20ct
20ct
32ct
40ct
48ct

8ct
20ct
32ct
40ct
16ct

2
5
8
10
4

1.5
1.5
1.5
1.5
1.5

.9
.9
.9
.9
.9

.03
.03
.03
.03
.03

22
22
17.5
16
14.5

1.6
1.6
2.56
3.2
3.84

.76
1.9
3
3.8
1.52

.19
.48
.75
.95
.38

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

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

102.06
102.06
102.06
102.06
102.06

R-20020
R-20025
R-20028
R-20030
R-20035

50ct
80ct
100ct
100ct
120ct

50ct
32ct
40ct
100ct
12.8ct

12.5
8
10
25
3.2

1.5
1.5
1.5
1.5
1.5

.9
.9
.9
.9
.9

.03
.03
.03
.03
.03

14
11
10
10
9

4
6.4
8
8
9.6

4.75
3
3.8
9.5
1.22

1.19
.75
.95
2.38
.3

1:1
1.58:1
1.58:1
1:1
3.06:1

2:1
3.16:1
3.16:1
2:1
6.12:1

102.06
102.06
102.06
102.06
102.06

Ultra Miniature Transformers: R Series
Pico Part Number	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	Prim. Imped. Ohms	SER	PAR	1 KHz and higher	300 Hz and higher	75 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 $)**
R-20040 R-20045 R-20050 R-20055 R-20060	120ct 120ct 150ct 150ct 150ct	60ct 120ct 12ct 50ct 100ct	15 30 3 12.5 25	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	9 9 8 8 8	9.6 9.6 12 12 12	5.7 11.4 1.14 4.75 9.5	1.4 2.85 .29 1.19 2.38	1.14:1 1:1 3.54:1 1.73:1 1.22:1	2.83:1 2:1 7.08:1 3.46:1 2.44:1	102.06 102.06 102.06 102.06 102.06
R-20065 R-20070 R-20075 R-20080 R-20085	150ct 150ct 200ct 300ct 300ct	150ct 600ct 200ct 12ct 50ct	37.5 150 50 3 12.5	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	8 8 7 5.5 5.5	12 12 16 24 24	14.3 57 19 1.14 4.75	3.56 14.3 4.75 .29 1.19	1:1 1:2 1:1 5:1 2.45:1	2:1 1:1 2:1 10:1 4.9:1	102.06 102.06 102.06 102.06 102.06
R-20090 R-20095 R-20100 R-20105 R-20110	300ct 300ct 300ct 320ct 400ct	150ct 300ct 600ct 12.8ct 40ct	37.5 75 150 3.2 10	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	5.5 5.5 5.5 5.5 5	24 24 24 25.6 32	14.25 28.5 57 1.22 3.8	3.56 7.13 14.25 .3 .95	1.41:1 1:1 1:1.41 5:1 3.16:1	2.83:1 2:1 1.41:1 10:1 6.32:1	102.06 102.06 102.06 102.06 102.06
R-20115 R-20120 R-20125 R-20130 R-20135	400ct 400ct 400ct 400ct 400ct	120ct 200ct 400ct 1000ct 2000ct	30 50 100 250 500	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	5 5 5 5 5	32 32 32 32 32	11.4 19 38 95 190	2.85 4.75 9.5 23.8 47.5	1.83:1 1.41:1 1:1 1:1.58 1:2.24	3.65:1 2.83:1 2:1 1.26:1 1:1.12	102.06 102.06 102.06 102.06 102.06
R-20140 R-20142 R-20144 R-20145 R-20147	400ct 500ct 500ct 500ct 500ct	4000ct 12.8ct 16ct 50ct 150ct	1000 3.2 4 12.5 37.5	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	5 4.5 4.5 4.5 4.5	32 40 40 40 40	380 1.22 1.52 4.75 14.25	95 .3 .38 1.19 3.56	1:3.16 6.25:1 5.6:1 3.16:1 1.83:1	1:1.58 12.5:1 11.2:1 6.32:1 3.65:1	102.06 102.06 102.06 102.06 102.06
R-20150 R-20155 R-20160 R-20165 R-20167	500ct *500ct 500ct 600ct 600ct	500ct 500ct 600ct 12.8ct 30ct	125 - 150 3.2 7.5	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	4.5 4.5 4.5 4 4	40 40 40 48 48	47.5 47.5 57 1.22 2.85	11.88 - 14.25 .3 .71	1:1 1:1 1:1.1 6.85:1 4.47:1	2:1 - 1.83:1 13.7:1 8.94:1	102.06 108.56 102.06 102.06 102.06
R-20170 R-20175 R-20180 R-20185 R-20186**	600ct 600ct 600ct 600ct 600ct	48ct 200ct 600ct 600ct 900ct	12 50 150 - -	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	4 4 4 4 4	48 48 48 48 48	4.56 19 57 57 85.5	1.14 4.75 14.25 - -	3.54:1 1.73:1 1:1 1:1 1:1.22	7.07:1 3.46:1 2:1 - -	102.06 102.06 102.06 108.56 108.56
R-20187** R-20190 R-20195 R-20200 R-20205	600ct 640ct 700ct 800ct 800ct	1200ct 12.8ct 100ct 12.8ct 48ct	300 3.2 25 3.2 12	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	4 4 3.5 3.5 3.5	48 51.2 56 64 64	114 1.22 9.5 1.22 4.56	28.5 .3 2.38 .3 1.14	1:1.41 7.07:1 2.65:1 7.91:1 4.08:1	1.41:1 14.14:1 5.29:1 15.8:1 8.16:1	102.06 102.06 102.06 102.06 102.06
R-20210 R-20215 R-20217** R-20220 R-20225	800ct 900ct *900ct 1000ct 1000ct	800ct 600ct 900ct 12ct 50ct	200 150 - 3 12.5	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	3.5 3 3 3 3	64 72 72 80 80	76 57 85.5 1.14 4.75	19 14.3 - .29 1.19	1:1 1.23:1 1:1 9.13:1 4.47:1	2:1 2.45:1 - 18.26:1 8.94:1	102.06 102.06 108.56 102.06 102.06
R-20230 R-20235 R-20240 R-20245 R-20250	1000ct 1060ct 1200ct 1200ct 1200ct	1000ct 12.8ct 12.8ct 500ct 1200ct	250 3.2 3.2 125 300	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	3 3 3 3 3	80 85 96 96 96	95 1.22 1.22 47.5 114	23.8 .3 .3 11.88 28.5	1:1 9.1:1 9.68:1 1.55:1 1:1	2:1 18.2:1 19.4:1 3.1:1 2:1	102.06 102.06 102.06 102.06 102.06

Ultra Miniature Transformers: R Series
Pico Part Number	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	Prim. Imped. Ohms	SER	PAR	1 KHz and higher	300 Hz and higher	75 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 $)**
R-20255 R-20260 R-20265 R-20270 R-20275	1200ct 1500ct 1500ct 1500ct *1500ct	1200ct 12ct 500ct 600ct 1500ct	- 3 125 - -	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	3 2.5 2.5 2.5 2.5	96 120 120 120 120	114 1.14 47.5 57 142	- .29 11.88 - -	1:1 11.18:1 1.73:1 1.58:1 1:1	- 22.36:1 3.46:1 - -	108.56 102.06 102.06 108.56 108.56
R-20280 R-20283 R-20285 R-20290 R-20295	1600ct 2000ct 2000ct *2000ct 2000ct	12.8ct 8ct 2000ct 2000ct 8000ct	3.2 2 500 - 2000	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	2.5 2.2 2.2 2.2 2.2	128 160 160 160 160	1.22 .76 190 190 760	3 .19 47.5 - 190	11.18:1 15.8:1 1:1 1:1 1:2	22.36:1 31.6:1 2:1 - 1:1	102.06 102.06 102.06 108.56 102.06
R-20297 R-20300 R-20305	2500ct 3000ct *3000ct	2500ct 3000ct 3000ct	625 750 -	1.5 1.5 1.5	.9 .9 .9	.03 .03 .03	2 1.8 1.8	200 240 240	238 285 285	59.5 71.3 -	1:1 1:1 1:1	2:1 2:1 -	102.06 102.06 108.56
R-20310 R-20312 R-20314** R-20315 R-20320	3600ct 4000ct 4000ct 4000ct *4000ct	3600ct 16ct 600ct 1000ct 8000ct	900 4 150 250 -	1.5 1.5 1.5 1.5 1.5	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	1.7 1.6 1.6 1.6 1.6	288 320 320 320 320	342 1.52 57 95 760	86 .38 14.3 23.8 -	1:1 15.8:1 2.58:1 2:1 1:1.41	2:1 31.6:1 5.16:1 4:1 -	102.06 102.06 102.06 102.06 108.56
R-20325 R-20330 R-20335 R-20340 R-20345	5000ct 5000ct 7500ct 7500ct 7500ct	500ct 5000ct 50ct 100ct 600ct	125 1250 12.5 25 150	1.5 1.5 1.3 1.3 1.3	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	1.4 1.4 1.2 1.2 1.2	400 400 600 600 600	47.5 475 4.75 9.5 57	11.88 119 1.19 2.38 14.3	3.16:1 1:1 12.25:1 8.66:1 3.54:1	6.32:1 2:1 24.5:1 17.32:1 7.07:1	102.06 102.06 116.11 116.11 116.11
R-20350 R-20355 R-20360 R-20365 R-20370	7500ct 7500ct 8000ct 8000ct 8000ct	2500ct 7500ct 12.8ct 1000ct 1200ct	625 - 3.2 250 -	1.3 1.3 1.2 1.2 1.2	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	1.2 1.2 1.1 1.1 1.1	600 600 640 640 640	238 713 1.22 95 114	59.5 - .3 23.8 -	1.73:1 1:1 25:1 2.83:1 2.58:1	3.46:1 - 50:1 5.66:1 -	116.11 123.61 116.11 116.11 123.61
R-20375 R-20380 R-20385 R-20390 R-20395	*9000ct 10,000ct 10,000ct 10,000ct 10,000ct	9000ct 12.8ct 16ct 100ct 200ct	- 3.2 4 25 50	1.1 1.0 1.0 1.0 1.0	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	1.1 1 1 1 1	720 800 800 800 800	855 1.22 1.52 9.5 19	- .3 .38 2.38 4.75	1:1 28:1 25:1 10:1 7.07:1	- 56:1 50:1 20:1 14.14:1	123.61 116.11 116.11 116.11 116.11
R-20400 R-20405 R-20410 R-20415 R-20420	10,000ct 10,000ct 10,000ct 10,000ct 10,000ct	500ct 600ct 1000ct 1200ct 1500ct	125 150 250 300 375	1.0 1.0 1.0 1.0 1.0	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	1 1 1 1 1	800 800 800 800 800	47.5 57 95 114 143	11.88 14.25 23.8 28.5 35.8	4.47:1 4.08:1 3.16:1 2.89:1 2.58:1	8.94:1 8.16:1 6.32:1 5.77:1 5.16:1	116.11 116.11 116.11 116.11 116.11
R-20425 R-20430 R-20435 R-20440 R-20445	10,000ct 10,000ct 10,000ct 10,000ct *10,000ct	2000ct 5000ct 7500ct 10,000ct 10,000ct	500 1250 1875 2500 -	1.0 1.0 1.0 1.0 1.0	.9 .9 .9 .9 .9	.03 .03 .03 .03 .03	1 1 1 1 1	800 800 800 800 800	190 475 713 950 950	47.5 119 178 238 -	2.24:1 1.41:1 1.16:1 1:1 1:1	4.47:1 2.83:1 2.31:1 2:1 -	116.11 116.11 116.11 116.11 123.87
R-20450 R-20452 R-20455 R-20460 R-20465	15,000ct 15,000ct 15,000ct 15,000ct *15,000ct	400ct 500ct 600ct 10,000ct 15,000ct	100 125 150 2500 -	.66 .66 .66 .66 .66	.66 .66 .66 .66 .66	.03 .03 .03 .03 .03	.8 .8 .8 .8 .8	1200 1200 1200 1200 1200	38 48 57 950 1430	9.5 12 14.3 238 -	6.12:1 5.48:1 5:1 1.22:1 1:1	12.25:1 10.95:1 10:1 2.45:1 -	116.11 116.11 116.11 116.11 123.87

Ultra Miniature Transformers: R Series
Pico Part Number	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	Prim. Imped. Ohms	SER	PAR	1 KHz and higher	300 Hz and higher	75 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 $)**
R-20470 R-20475 R-20480 R-20485 R-20490	15,000ct 16,000ct 20,000ct 20,000ct 20,000ct	15,000ct 1000ct 500ct 600ct 800ct	3750 250 125 150 200	.66 .62 .5 .5 .5	.66 .62 .5 .5 .5	.03 .03 .03 .03 .03	.8 .8 .7 .7 .7	1200 1280 1600 1600 1600	1430 95 47.5 57 76	357 23.8 11.88 14.25 19	1:1 4:1 6.32:1 5.77:1 5:1	2:1 8:1 12.65:1 11.55:1 10:1	116.11 116.11 123.80 123.80 123.80
R-20495 R-20500 R-20505 R-20510 R-20515	20,000ct 20,000ct 20,000ct *20,000ct 25,000ct	1000ct 5000ct 10,000ct 20,000ct 500ct	250 1250 2500 - 125	.5 .5 .5 .5 .4	.5 .5 .5 .5 .4	.03 .03 .03 .03 .03	.7 .7 .7 .7 .6	1600 1600 1600 1600 2000	95 475 950 1900 47.5	23.8 119 238 - 11.88	4.47:1 2:1 1.41:1 1:1 7.07:1	8.94:1 4:1 2.83:1 - 14.14:1	123.80 123.80 123.80 128.70 123.80
R-20520 R-20525 R-20530 R-20532 R-20534	25,000ct 30,000ct 30,000ct 30,000ct 30,000ct	1000ct 50ct 1200ct 500ct 200ct	250 12.5 300 125 50	.4 .33 .33 .33 .33	.4 .33 .33 .33 .33	.03 .03 .03 .03 .03	.6 .6 .6 .6 .6	2000 2400 2400 2400 2400	95 4.75 114 47.5 19	23.8 1.19 28.5 11.88 4.75	5:1 24.5:1 5:1 7.7:1 12.2:1	10:1 49:1 10:1 15.5:1 24.5:1	123.80 128.70 128.70 128.70 128.70
R-20535 R-20540 R-20545 R-20550 R-20555	30,000ct 30,000ct *30,000ct 40,000ct 40,000ct	5000ct 10,000ct 30,000ct 400ct 2000ct	1250 2500 - 100 500	.33 .33 .33 .25 .25	.33 .33 .33 .25 .25	.03 .03 .03 .03 .03	.6 .6 .6 .5 .5	2400 2400 2400 3200 3200	475 950 2850 38 190	119 238 - 9.5 47.5	2.45:1 1.73:1 1:1 10:1 4.47:1	4.9:1 3.46:1 - 20:1 8.94:1	128.70 128.70 138.65 138.65 138.65
R-20560 R-20565 R-20570 R-20575 R-20577	40,000ct 40,000ct *40,000ct 50,000ct 50,000ct	4000ct 20,000ct 40,000ct 200ct 500ct	1000 5000 - 50 125	.25 .25 .25 .2 .2	.25 .25 .25 .2 .2	.03 .03 .03 .03 .03	.5 .5 .5 .4 .4	3200 3200 3200 4000 4000	380 1900 3800 19 47.5	95 475 - 4.75 11.88	3.16:1 1.41:1 1:1 15.8:1 10:1	6.32:1 2.83:1 - 31.6:1 20:1	138.65 138.65 153.93 153.93 153.93
R-20578 R-20579 R-20580 R-20585 R-20587	50,000ct 50,000ct 60,000ct 62,500ct 80,000ct	600ct 50,000ct 15,000ct 50ct 15,000ct	150 12,500 3750 12.5 3750	.2 .2 .16 .16 .12	.2 .2 .16 .16 .12	.03 .03 .03 .03 .03	.4 .4 .4 .4 .3	4000 4000 4800 5000 6400	57 4750 1430 4.75 1430	14.3 1190 358 1.19 358	9.13:1 1:1 2:1 35.4:1 2.3:1	18.26:1 2:1 4:1 70.7:1 4.6:1	153.93 153.93 166.26 166.26 166.26
R-20590 R-20595 R-20600 R-20605 R-20610	90,000ct 95,000ct 100,000ct 100,000ct 100,000ct	10,000ct 15,000ct 60ct 100ct 500ct	2500 3750 15 25 125	.11 .1 .1 .1 .1	.11 .1 .1 .1 .1	.03 .03 .03 .03 .03	.3 .3 .3 .3 .3	7200 7600 8000 8000 8000	950 1430 5.7 9.5 47.5	238 358 1.43 2.38 11.88	3:1 2.5:1 40.8:1 31.6:1 14.1:1	6:1 5:1 81.6:1 63.2:1 28.3:1	166.26 174.52 174.52 174.52 174.52
R-20613 R-20614 R-20615 R-20620	100,000ct 100,000ct 100,000ct 135,000ct	1000ct 2000ct 10,000ct 82ct	250 500 2500 20.5	.1 .1 .1 .07	.1 .1 .1 .07	.03 .03 .03 .03	.3 .3 .3 .2	8000 8000 8000 10,800	95 190 950 7.8	23.8 47.5 238 1.9	10:1 7.07:1 3.16:1 40.6:1	20:1 14.14:1 6.32:1 81.2:1	174.52 174.52 174.52 182.33

*Includes electrostatic shield
**Miniaturized telephone coupling application

***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.

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
Primary and secondary windings can be used either as input or output.
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.

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

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Ultra Miniature Transformers

R Series Thru Hole

Ultra Miniature Transformers: R Series

Ultra Miniature Transformers: R Series

Ultra Miniature Transformers: R Series

Ultra Miniature Transformers: R Series

PICO Electronics, Inc.

Pico Electronics Inc.

Ultra Miniature Transformers:
R Series

Ultra Miniature Transformers:
R Series

Ultra Miniature Transformers:
R Series

Ultra Miniature Transformers:
R Series