M21038/27-28T datasheet, PDF - EEWORLD Datasheet

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M21038/27-28T: DescriptionPulse Transformer, GENERAL PURPOSE Application(s), 1CT:1.5CT, DIP-6; CategoryPower management transformer; File Size86KB，2 Pages; ManufacturerPulse Electronics

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M21038/27-28T Overview

Pulse Transformer, GENERAL PURPOSE Application(s), 1CT:1.5CT, DIP-6

M21038/27-28T Parametric

Parameter Name	Attribute value
Maker	Pulse Electronics
Reach Compliance Code	compliant
ECCN code	EAR99
application	GENERAL PURPOSE
Certification	MIL-PRF-21038/27
high	6.35 mm
length	12.7 mm
Installation features	THROUGH HOLE MOUNTED
Number of functions	1
Maximum operating temperature	130 °C
Minimum operating temperature	-55 °C
physical size	L0.5XB0.35XH0.25 (inch)
surface mount	NO
Transformer type	PULSE TRANSFORMER
Turns ratio (Np:Ns)	1CT:1.5CT
width	8.89 mm

M21038/27-28T Preview

Through the board

MIL-PRF-21038/27

Level T Interface Transformers

qualified for use in QPL MIL-STD-1553 applications

single ratio packages

designed, built, and tested to

MIL-PRF-21038 Level T*

package C is 4-lead; package D is

6-lead (center tap)

built in ISO 9002 facility

APPLICABLE SPECIFICATIONS

MIL-STD-1553B

MIL-STD-202

MIL-I-45208

MIL-T-10727

MIL-PRF-21038/27*

ISO 9002

SUMMARY PERFORMANCE SPECIFICATIONS

Impedance................................................................................................... see table

Droop..............................................................................................................

20%

Overshoot..................................................................................................

1V max

Common mode rejection (CMR).................................................................

45 dB

Frequency range (no load)............................................................. 75 kHz to 1MHz

Operating temperature range........................................................... -55oC to 130oC

Weight.......................................................................................................

5 grams

Insulation resistance (min)........................................... 10K megohms @ 250 Vdc

Dielectric withstanding voltage................................................................ 100 Vrms

*MIL-PRF-21038E (8 July 1998) supersedes MIL-T-21038D (11 May 1979) and establishes

three product levels for low power pulse transformers:

Level C - for high reliability commercial/industrial applications;

Level M - for general purpose military applications;

Level T - for high reliability critical military applications.

TWO PEARL BUCK COURT

BRISTOL, PA 19007-6812

TEL 215-781-6400

FAX 215-781-6403

www.pulsespecialty.com

CHARACTERISTICS

MILITARY

DESIGNATION

NUMBER

TECHNITROL

PART NO.

PACK AGE

HEIGHT

(in.)

MAX

TERMINALS

RATIO

( +3%)

(+ 3%)

RDC

(ohm s)

MAX

IMPEDANCE

(ohms)

MIN

M21038/27-05T

QT 1553 -20

.250

1-2:4-3

1:1.41

1-2 2.2

4-3 2.7

1-5 2.5

6-2 2.8

1-5 2.2

6-2 2.7

1-5 1.5

6-2 2.4

1-5 1.3

6-2 2.6

1-3 0.90

6-2 2.5

1.5 0.90

6-2 2.5

1-5 1.0

6-2 2.8

(4-3)

3,000

(6-2)

3,000

(6-2)

3,000

(6-2)

3,000

(6-2)

3,000

(6-2)

3,000

(6-2)

3,000

(6-2)

3,000

M21038/27-06T

QT 1553 -21

.250

1-5:6-2

1CT :1CT

M21038/27-07T

QT 1553 -22

.250

1-5:6-2

1CT :1.41CT

M21038/27-08T

QT 1553 -23

.250

1-5:6-2

1CT :1.66CT

M21038/27-09T

QT 1553 -24

.250

1-5:6-2

1CT :2CT

M21038/27-28T

QT1553-25*

.250

1-5:6-2

1CT :1.5CT

M21038/27-29T

QT1553-51*

.250

1-5:6-2

1CT :1.79CT

M21038/27-30T

QT1553-52*

.250

1-5:6-2

1CT :2.5CT

*Designed for transceivers utilizing a single supply voltage (+5V).

SCHEMATICS AND DIMENSIONS

Package C

Package D

4&6L~TH~T

TWO PEARL BUCK COURT

BRISTOL, PA 19007-6812

TEL 215-781-6400

FAX 215-781-6403

www.pulsespecialty.com

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M21038/27-28T Related Products

	M21038/27-28T	M21038/27-08T	M21038/27-09T	M21038/27-06T	M21038/27-05T	M21038/27-29T	M21038/27-30T	M21038/27-07T
Description	Pulse Transformer, GENERAL PURPOSE Application(s), 1CT:1.5CT, DIP-6	Pulse Transformer, GENERAL PURPOSE Application(s), 1CT:1.66CT, DIP-6	Pulse Transformer, GENERAL PURPOSE Application(s), 1CT:2CT, DIP-6	Pulse Transformer, GENERAL PURPOSE Application(s), 1CT:1CT, DIP-6	Pulse Transformer, GENERAL PURPOSE Application(s), 1:1.41, DIP-4	Pulse Transformer, GENERAL PURPOSE Application(s), 1CT:1.79CT, DIP-6	Pulse Transformer, GENERAL PURPOSE Application(s), 1CT:2.5CT, DIP-6	Pulse Transformer, GENERAL PURPOSE Application(s), 1CT:1.41CT, DIP-6
Maker	Pulse Electronics	Pulse Electronics	Pulse Electronics	Pulse Electronics	Pulse Electronics	Pulse Electronics	Pulse Electronics	Pulse Electronics
Reach Compliance Code	compliant	compliant	compliant	compliant	compliant	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
application	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE
Certification	MIL-PRF-21038/27	MIL-STD-1553	MIL-STD-1553	MIL-PRF-21038/27	MIL-PRF-21038/27	MIL-PRF-21038/27	MIL-PRF-21038/27	MIL-PRF-21038/27
high	6.35 mm	6.35 mm	6.35 mm	6.35 mm	6.35 mm	6.35 mm	6.35 mm	6.35 mm
length	12.7 mm	12.7 mm	12.7 mm	12.7 mm	12.7 mm	12.7 mm	12.7 mm	12.7 mm
Installation features	THROUGH HOLE MOUNTED	THROUGH HOLE MOUNTED	THROUGH HOLE MOUNTED	THROUGH HOLE MOUNTED	THROUGH HOLE MOUNTED	THROUGH HOLE MOUNTED	THROUGH HOLE MOUNTED	THROUGH HOLE MOUNTED
Number of functions	1	1	1	1	1	1	1	1
Maximum operating temperature	130 °C	130 °C	130 °C	130 °C	130 °C	130 °C	130 °C	130 °C
Minimum operating temperature	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C
physical size	L0.5XB0.35XH0.25 (inch)	L0.5XB0.35XH0.25 (inch)	L0.5XB0.35XH0.25 (inch)	L0.5XB0.35XH0.25 (inch)	L0.5XB0.35XH0.25 (inch)	L0.5XB0.35XH0.25 (inch)	L0.5XB0.35XH0.25 (inch)	L0.5XB0.35XH0.25 (inch)
surface mount	NO	NO	NO	NO	NO	NO	NO	NO
Transformer type	PULSE TRANSFORMER	PULSE TRANSFORMER	PULSE TRANSFORMER	PULSE TRANSFORMER	PULSE TRANSFORMER	PULSE TRANSFORMER	PULSE TRANSFORMER	PULSE TRANSFORMER
Turns ratio (Np:Ns)	1CT:1.5CT	1CT:1.66CT	1CT:2CT	1CT:1CT	1:1.41	1CT:1.79CT	1CT:2.5CT	1CT:1.41CT
width	8.89 mm	8.89 mm	8.89 mm	8.89 mm	8.89 mm	8.89 mm	8.89 mm	8.89 mm

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