60 Hz Transformers

P Series

Category Power Transformer
Type Hermetically Sealed, Harsh Environment
Power Type Single Phase, 60 Hz

P Series Introduction

Built to meet the specifications of MIL-PRF-27, long life and reliability are major features of these encapsulated, ruggedly built power transformers. Hermetically sealed, available in almost any output voltage between 5 and 200 volts, and offered in a wide variety of power ratings, these transformers have a wide variety of uses in military and industrial systems. Threaded inserts provide for flexible mounting.

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Key Features

Military Designation TF4S03YY
Hermetically sealed, rugged MIL-PRF-27 transformers
Standard output voltages: 5 to 486 volts

Threaded inserts for versatile mounting
Wide range of power ratings:
5, 10, 15, 20, 30, 40, 80, 120, 160, 200, and 300 VA

Specifications

AC INPUT (VAC)
115 VAC
For 230 VAC add Suffix “A” to Model No.
For 115/230 VAC add Suffix “B” to Model No.
AC INPUT (HZ)
60Hz ± 5 Hz, Single Phase
EFFICIENCY
Ranges from 80% to 90% Typical.
LOAD REGULATION
Sizes A1-A2: 12% No load to Full Load.
Sizes A3-A11: 10% No load to Full Load.
SECONDARY VOLTAGE TOLERANCE
Within 3% of listed output voltage when measure at full load and listed input.
DIELECTRIC WITHSTANDING VOLTAGE
1750 VAC
STANDARD POWER LEVELS (VA)
5, 10, 15, 20, 30, 40, 80, 120, 160, 200, and 300
AVAILABLE OUTPUTS
Sizes A1 thru A7: 5 VAC to 200 VAC
Sizes A1 thru A8: 6.3 VAC to 200 VAC
Sizes A1 thru A9: 8 VAC to 200 VAC
Sizes A1 thru A10: 10 VAC to 200 VAC
Sizes A1 thru A11: 16 VAC to 200 VAC
Other Standard Outputs Available up to 1000VAC
OPERATING TEMPERATURE RANGE
95 °C Maximum
CONSTRUCTION
per MIL-PRF-27 grade 4, Class S.
MATERIALS/FINISHES
Steel case, painted Navy Gray per #595 Type 1, 26307 Semi-Gloss Gray
MOUNTING DETAILS
Threaded Inserts Standard, Consult Factory for Additional Options
ENVIRONMENT
Encapsulated to meet MIL-STD-810 and MIL-STD-202 for Vibration, Shock, Sand, Dust, Humidity, Salt Spray, Fungus, Sunshine, Rain, Explosion, and Altitude to a Vacuum
(Note: For High Altitude Operation, Encapsulate Terminals).

Dimensions

Size	B	C	D	E	F	G	Model Type	Weight lbs. (Max)	Primary DCR Ohms (Typical)
A1 A2 A3 A4	1.500 1.750 1.875 2.000	1.750 2.062 2.375 2.375	2.375 2.750 3.125 3.125	1.062 1.250 1.250 1.500	1.250 1.500 1.750 1.750	6-32 6-32 8-32 8-32	5P 10P 15P 20P	1.0 1.5 2.0 2.5	86.0 36.0 24.0 15.0
A5 A6 A7* A8*	2.125 2.250 2.625 2.875	2.687 2.687 3.125 3.437	3.500 3.500 4.125 4.500	1.500 1.625 2.000 2.250	2.000 2.000 2.250 2.500	8-32 8-32 8-32 10-32	30P 40P 80P 120P	3.0 3.3 5.0 6.5	8.5 6.7 3.7 1.9
A9* A10* A11*	3.125 3.375 3.875	3.750 4.062 4.687	4.875 5.250 6.000	2.437 2.625 2.750	2.750 3.000 3.500	10-32 ¼-20 ¼-20	160P 200P 300P	8.2 10.5 17.0	1.6 1.1 0.5

*See Fig. 3 for header configuration used on any unit with output current greater than 10 amps.

Mechanical Drawings

Circuit Diagram

Images

Standard Model List

Output Volts (FL)	Output Current (Amp)	Size	Secondary DCR Ohms (Typical)	Model Number	QPL Model Number
5.0	1.00 2.00 3.00 4.00 6.00 8.00 16.00	A1 A2 A3 A4 A5 A6 A7	0.335 0.12 0.07 0.066 0.04 0.03 0.011	5P5CT 10P5CT 15P5CT 20P5CT 30P5CT 40P5CT 80P5CT	M27/312-01 M27/313-01 M27/314-01 M27/315-01 M27/316-01 M27/317-01 M27/318-01
6.3	0.79 1.58 2.38 3.16 4.76 6.35 12.70 19.00	A1 A2 A3 A4 A5 A6 A7 A8	0.53 0.18 0.094 0.1 0.06 0.059 0.016 0.012	5P6.3CT 10P6.3CT 15P6.3CT 20P6.3CT 30P6.3CT 40P6.3CT 80P6.3CT 120P6.3CT	M27/312-02 M27/313-02 M27/314-02 M27/315-02 M27/316-02 M27/317-02 M27/318-02 M27/319-01
8.0	0.67 1.25 1.88 2.50 3.76 5.00 10.00 15.00 20.00	A1 A2 A3 A4 A5 A6 A7 A8 A9	0.87 0.27 0.16 0.15 0.08 0.079 0.037 0.018 0.014	5P8CT 10P8CT 15P8CT 20P8CT 30P8CT 40P8CT 80P8CT 120P8CT 160P8CT	M27/312-03 M27/313-03 M27/314-03 M27/315-03 M27/316-03 M27/317-03 M27/318-03 M27/319-02 M27/320-01
10	0.50 1.00 1.50 2.00 3.00 4.00 8.00 12.00 16.00 20.00	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10	1.34 0.42 0.23 0.23 0.14 0.11 0.05 0.031 0.018 0.015	5P10CT 10P10CT 15P10CT 20P10CT 30P10CT 40P10CT 80P10CT 120P10CT 160P10CT 200P10CT	M27/312-04 M27/313-04 M27/314-04 M27/315-04 M27/316-04 M27/317-04 M27/318-04 M27/319-03 M27/320-02 M27/321-01
12.6	0.39 0.79 1.19 1.59 2.38 3.18 6.35 9.53 12.70 15.90	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10	2.06 0.65 0.4 0.34 0.2 0.18 0.7 0.041 0.038 0.027	5P12.6CT 10P12.6CT 15P12.6CT 20P12.6CT 30P12.6CT 40P12.6CT 80P12.6CT 120P12.6CT 160P12.6CT 200P12.6CT	M27/312-05 M27/313-05 M27/314-05 M27/315-05 M27/316-05 M27/317-05 M27/318-05 M27/319-04 M27/320-03 M27/321-02
14	0.36 0.72 1.07 1.43 2.15 2.86 5.72 8.59 11.40 14.30	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10	2.95 0.74 0.6 0.4 0.23 0.19 0.1 0.055 0.042 0.029	5P14CT 10P14CT 15P14CT 20P14CT 30P14CT 40P14CT 80P14CT 120P14CT 160P14CT 200P14CT	M27/312-06 M27/313-06 M27/314-06 M27/315-06 M27/316-06 M27/317-06 M27/318-06 M27/319-05 M27/320-04 M27/321-03
16	0.34 0.68 0.94 1.25 1.87 2.50 5.00 7.50 10.00 12.50 18.7	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	3.35 1.08 0.67 0.52 0.28 0.28 0.12 0.072 0.046 0.034 0.016	5P16CT 10P16CT 15P16CT 20P16CT 30P16CT 40P16CT 80P16CT 120P16CT 160P16CT 200P16CT 300P16CT	M27/312-07 M27/313-07 M27/314-07 M27/315-07 M27/316-07 M27/317-07 M27/318-07 M27/319-06 M27/320-05 M27/321-04 M27/322-01
18	0.28 0.55 0.83 1.11 1.67 2.21 4.44 6.68 8.89 11.10 16.7	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	4.65 1.42 0.78 0.62 0.38 0.36 0.16 0.08 0.06 0.045 0.02	5P18CT 10P18CT 15P18CT 20P18CT 30P18CT 40P18CT 80P18CT 120P18CT 160P18CT 200P18CT 300P18CT	M27/312-08 M27/313-08 M27/314-08 M27/315-08 M27/316-08 M27/317-08 M27/318-08 M27/319-07 M27/320-06 M27/321-05 M27/322-02
20	0.25 0.50 0.75 1.00 1.50 2.00 4.00 6.00 8.00 10.00 15.00	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	5.25 1.54 0.9 0.85 0.4 0.43 0.19 0.12 0.07 0.066 0.023	5P20CT 10P20CT 15P20CT 20P20CT 30P20CT 40P20CT 80P20CT 120P20CT 160P20CT 200P20CT 300P20CT	M27/312-09 M27/313-09 M27/314-09 M27/315-09 M27/316-09 M27/317-09 M27/318-09 M27/319-08 M27/320-07 M27/321-06 M27/322-03
22	0.22 0.45 0.68 0.91 1.36 1.82 3.64 5.45 7.27 9.10 13.60	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	7.3 1.9 1.2 0.95 0.55 0.57 0.25 1.25 0.092 0.073 0.031	5P22CT 10P22CT 15P22CT 20P22CT 30P22CT 40P22CT 80P22CT 120P22CT 160P22CT 200P22CT 300P22CT	M27/312-10 M27/313-10 M27/314-10 M27/315-10 M27/316-10 M27/317-10 M27/318-10 M27/319-09 M27/320-08 M27/321-07 M27/322-04
25	0.20 0.40 0.60 0.80 1.20 1.60 3.20 4.80 6.40 8.00 12.00	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	8.23 2.55 1.4 1.37 0.7 0.67 0.3 0.182 0.11 0.079 0.042	5P25CT 10P25CT 15P25CT 20P25CT 30P25CT 40P25CT 80P25CT 120P25CT 160P25CT 200P25CT 300P25CT	M27/312-11 M27/313-11 M27/314-11 M27/315-11 M27/316-11 M27/317-11 M27/318-11 M27/319-10 M27/320-09 M27/321-08 M27/322-05
28	0.18 0.36 0.54 0.71 1.07 1.43 2.86 4.29 5.72 7.10 10.70	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	11.4 3 1.9 1.6 0.94 0.9 0.4 0.205 0.15 0.11 0.046	5P28CT 10P28CT 15P28CT 20P28CT 30P28CT 40P28CT 80P28CT 120P28CT 160P28CT 200P28CT 300P28CT	M27/312-12 M27/313-12 M27/314-12 M27/315-12 M27/316-12 M27/317-12 M27/318-12 M27/319-11 M27/320-10 M27/321-09 M27/322-06
31	0.16 0.32 0.48 0.64 0.97 1.29 2.58 3.87 5.17 6.40 9.67	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	13.8 3.8 2.2 2.2 0.96 0.95 0.45 0.31 0.166 0.12 0.054	5P31CT 10P31CT 15P31CT 20P31CT 30P31CT 40P31CT 80P31CT 120P31CT 160P31CT 200P31CT 300P31CT	M27/312-13 M27/313-13 M27/314-13 M27/315-13 M27/316-13 M27/317-13 M27/318-13 M27/319-12 M27/320-11 M27/321-10 M27/322-07
35	0.14 0.29 0.43 0.57 0.86 1.14 2.28 3.43 4.57 5.71 8.59	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	17.6 4.5 3 2.4 1.4 1.32 0.5 0.35 0.24 0.17 0.072	5P35CT 10P35CT 15P35CT 20P35CT 30P35CT 40P35CT 80P35CT 120P35CT 160P35CT 200P35CT 300P35CT	M27/312-14 M27/313-14 M27/314-14 M27/315-14 M27/316-14 M27/317-14 M27/318-14 M27/319-13 M27/320-12 M27/321-11 M27/322-08
39	0.13 0.26 0.38 0.51 0.77 1.03 2.05 3.07 4.10 5.12 7.69	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	19.7 6.3 3.5 3.6 1.62 1.5 0.7 0.342 0.27 0.18 0.08	5P39CT 10P39CT 15P39CT 20P39CT 30P39CT 40P39CT 80P39CT 120P39CT 160P39CT 200P39CT 300P39CT	M27/312-15 M27/313-15 M27/314-15 M27/315-15 M27/316-15 M27/317-15 M27/318-15 M27/319-14 M27/320-13 M27/321-12 M27/322-09
43	0.12 0.23 0.35 0.46 0.70 0.93 1.85 2.79 3.70 4.64 6.95	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	22 7 4.65 4 2.15 1.62 0.94 0.48 0.382 0.26 0.108	5P43CT 10P43CT 15P43CT 20P43CT 30P43CT 40P43CT 80P43CT 120P43CT 160P43CT 200P43CT 300P43CT	M27/312-16 M27/313-16 M27/314-16 M27/315-16 M27/316-16 M27/317-16 M27/318-16 M27/319-15 M27/320-14 M27/321-13 M27/322-10
48	0.10 0.21 0.31 0.42 0.63 0.83 1.63 2.50 3.33 4.17 6.26	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	30 9.3 5.2 4.4 2.4 2.35 1 0.66 0.405 0.29 0.165	5P48CT 10P48CT 15P48CT 20P48CT 30P48CT 40P48CT 80P48CT 120P48CT 160P48CT 200P48CT 300P48CT	M27/312-17 M27/313-17 M27/314-17 M27/315-17 M27/316-17 M27/317-17 M27/318-17 M27/319-16 M27/320-15 M27/321-14 M27/322-11
55	0.09 0.18 0.27 0.36 0.55 0.73 1.46 2.18 2.91 3.64 5.46	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	34.4 11 7.5 6 3.5 3.2 1.5 0.82 0.6 0.41 0.175	5P55CT 10P55CT 15P55CT 20P55CT 30P55CT 40P55CT 80P55CT 120P55CT 160P55CT 200P55CT 300P55CT	M27/312-18 M27/313-18 M27/314-18 M27/315-18 M27/316-18 M27/317-18 M27/318-18 M27/319-17 M27/320-16 M27/321-15 M27/322-12
63	0.08 0.16 0.24 0.32 0.48 0.64 1.27 1.91 2.25 3.18 4.76	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	52 16.4 8.6 8.6 3.9 3.7 1.7 1.11 0.64 0.47 0.187	5P63CT 10P63CT 15P63CT 20P63CT 30P63CT 40P63CT 80P63CT 120P63CT 160P63CT 200P63CT 300P63CT	M27/312-19 M27/313-19 M27/314-19 M27/315-19 M27/316-19 M27/317-19 M27/318-19 M27/319-18 M27/320-17 M27/321-16 M27/322-13
70	0.07 0.14 0.21 0.29 0.43 0.57 1.14 1.72 2.28 2.86 4.29	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	63 19 11.2 9.8 5.5 5.2 2.4 1.2 0.93 0.67 0.26	5P70CT 10P70CT 15P70CT 20P70CT 30P70CT 40P70CT 80P70CT 120P70CT 160P70CT 200P70CT 300P70CT	M27/312-20 M27/313-20 M27/314-20 M27/315-20 M27/316-20 M27/317-20 M27/318-20 M27/319-19 M27/320-18 M27/321-17 M27/322-14
80	0.07 0.13 0.19 0.25 0.38 0.50 1.00 1.50 2.00 2.50 3.75	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	80 25 13.6 13.4 6.4 6.4 2.7 1.43 1.06 0.74 0.3	5P80CT 10P80CT 15P80CT 20P80CT 30P80CT 40P80CT 80P80CT 120P80CT 160P80CT 200P80CT 300P80CT	M27/312-21 M27/313-21 M27/314-21 M27/315-21 M27/316-21 M27/317-21 M27/318-21 M27/319-20 M27/320-19 M27/321-18 M27/322-15
90	0.06 0.11 0.17 0.22 0.33 0.45 0.89 1.34 1.79 2.22 3.32	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	112 30.4 20 14.8 8.6 8.4 3.8 1.96 1.49 1.05 0.43	5P90CT 10P90CT 15P90CT 20P90CT 30P90CT 40P90CT 80P90CT 120P90CT 160P90CT 200P90CT 300P90CT	M27/312-22 M27/313-22 M27/314-22 M27/315-22 M27/316-22 M27/317-22 M27/318-22 M27/319-21 M27/320-20 M27/321-19 M27/322-16
100	0.05 0.10 0.15 0.20 0.30 0.40 0.80 1.20 1.60 2.00 3.00	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	113 40.5 22 15.5 10 9.4 4.2 2.75 1.69 1.17 0.48	5P100CT 10P100CT 15P100CT 20P100CT 30P100CT 40P100CT 80P100CT 120P100CT 160P100CT 200P100CT 300P100CT	M27/312-23 M27/313-23 M27/314-23 M27/315-23 M27/316-23 M27/317-23 M27/318-23 M27/319-22 M27/320-21 M27/321-20 M27/322-17
110	0.05 0.09 0.14 0.18 0.27 0.36 0.73 1.09 1.45 1.82 2.72	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	140 44.5 28 23 13.6 12.5 5.7 3.05 2.3 1.6 0.65	5P110CT 10P110CT 15P110CT 20P110CT 30P110CT 40P110CT 80P110CT 120P110CT 160P110CT 200P110CT 300P110CT	M27/312-24 M27/313-24 M27/314-24 M27/315-24 M27/316-24 M27/317-24 M27/318-24 M27/319-23 M27/320-22 M27/321-21 M27/322-18
123	0.04 0.08 0.12 0.16 0.24 0.33 0.65 0.97 1.30 1.62 2.44	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	198 70 33.5 35 15.3 14.6 6.5 4.35 2.57 1.8 0.74	5P123CT 10P123CT 15P123CT 20P123CT 30P123CT 40P123CT 80P123CT 120P123CT 160P123CT 200P123CT 300P123CT	M27/312-25 M27/313-25 M27/314-25 M27/315-25 M27/316-25 M27/317-25 M27/318-25 M27/319-24 M27/320-23 M27/321-22 M27/322-19
138	0.04 0.07 0.11 0.15 0.22 0.29 0.58 0.87 1.15 1.45 2.17	A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	227 80 46 37.5 21 20.5 9.5 4.85 3.6 2.5 1.02	5P138CT 10P138CT 15P138CT 20P138CT 30P138CT 40P138CT 80P138CT 120P138CT 160P138CT 200P138CT 300P138CT	M27/312-26 M27/313-26 M27/314-26 M27/315-26 M27/316-26 M27/317-26 M27/318-26 M27/319-25 M27/320-24 M27/321-23 M27/322-20
157	0.06 0.10 0.13 0.19 0.25 0.51 0.76 1.02 1.27 1.91	A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	100 53 48.2 24.5 23.6 10.5 5.45 4.1 2.86 1.16	10P157CT 15P157CT 20P157CT 30P157CT 40P157CT 80P157CT 120P157CT 160P157CT 200P157CT 300P157CT	M27/313-27 M27/314-27 M27/315-27 M27/316-27 M27/317-27 M27/318-27 M27/319-26 M27/320-25 M27/321-24 M27/322-21
175	0.06 0.09 0.11 0.17 0.23 0.46 0.69 0.91 1.14 1.71	A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	111 70 55 35 33.7 14.8 7.6 5.82 4.09 1.63	10P175CT 15P175CT 20P175CT 30P175CT 40P175CT 80P175CT 120P175CT 160P175CT 200P175CT 300P175CT	M27/313-28 M27/314-28 M27/315-28 M27/316-28 M27/317-28 M27/318-28 M27/319-27 M27/320-26 M27/321-25 M27/322-22
200	0.05 0.08 0.10 0.15 0.20 0.40 0.60 0.80 1.00 1.50	A2 A3 A4 A5 A6 A7 A8 A9 A10 A11	160 87 75 40.5 38.5 17 8.8 6.7 4.55 1.92	10P200CT 15P200CT 20P200CT 30P200CT 40P200CT 80P200CT 120P200CT 160P200CT 200P200CT 300P200CT	M27/313-29 M27/314-29 M27/315-29 M27/316-29 M27/317-29 M27/318-29 M27/319-28 M27/320-27 M27/321-26 M27/322-23

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