821-M0680 datasheet, PDF - EEWORLD Datasheet

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821-M0680: DescriptionTelecom Transformer, SO016A; Categorytransformer; File Size77KB，2 Pages; ManufacturerElec & Eltek; Websitehttp://www.eleceltek.com

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821-M0680 Overview

Telecom Transformer, SO016A

821-M0680 Parametric

Parameter Name	Attribute value
Maker	Elec & Eltek
package instruction	SO016A
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	HEIGHT DIM. INCLUDES TERMINALS ALSO, TURNS RATIO: 1:2CT; 1:1
high	5.08 mm
length	12.7 mm
Manufacturer's serial number	821-M0680
Installation features	SURFACE MOUNT
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
method of packing	TAPE & REEL
physical size	L12.7XB6.86XH5.08 (mm)
surface mount	YES
Transformer type	TELECOM TRANSFORMER
width	6.86 mm
Base Number Matches	1

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T3/DS3/E3/STS-1 TRANSFORMER

E & E Magnetic Products Limited

Dual SOIC package contains both transmit and

receive transformers

Models designed for leading transceiver ICs

Return loss meets requirements of G.703

Designed to meet UL60950

Isolation voltage: 1500Vrms

Dual, SOIC, 1500Vrms, Standard and

Extended Temperature Range

E

LECTRICAL

S

PECIFICATION

@25°C

Part Number

Std. Temp

(0°C to

+70°C)

---

821-M0772

821-M0773

821-M0774

821-M0775

---

Ext. Temp

(-40°C to

TX

RX

+85°C)

821-M0432 1:2CT

1:1

821-M0679 1CT:1CT

1:1

821-M0680 1:2CT

1:1

---

1:1

---

1:1

1:1.5

---

1:1

1CT:1CT

---

1:1

1:2CT

821-M0776

1:1

821-M1674 1:2CT

1:2CT

Turns Ratio

(Pri : Sec ± 2%)

OCL

Primary@25ºC

(uH Min)

TX

40

100

40

45

40

RX

100

40

19

45

40

OCL

Primary@-40ºC

(uH Min)

TX

19

40

---

40

19

RX

40

---

40

19

LL

(uH Max)

0.12

0.10

0.12

0.10

0.12

0.10

Cww

(pF Max)

10

Schematic

1

2

3

5

2

3

5

4

Primary

Pins

TX

RX

16-14 6-8

6-8 16-15

7-8 16-15

1-2

7-8

1-2

7-8

1-2

6-8

1-2

7-8

1-2

7-8

16-14 11-9

M

ECHANICAL

D

IMENSIONS

Package: SO016A

.075

1.91

.350

8.89

.050

1.27

.500

12.70 MAX

.420

10.67

.370

±

.010

9.40

±

0.25

EE

1Mxxxx

(DATE)

.025

0.64

Recommended

Pad Layout

.270

±

.005

6.86

±0.13

.005-.020

0.13-0.51

.200

±

.010

5.08

±

0.25

REFERENCE OR

GAUGE PLANE

.050

±

.005

1.27

±

0.13

.350

±

.010

8.89

±

0.25

.035

±

.010

0.89

±0.25

0-8°

Note :

inches

mm with higher precedence in inches.

.010

Unless otherwise specified, all tolerances are

±

0.25 .

All dimensions are specified in

Weight (in gram)

Tape & Reel

:

0.8 typ

600 / reel

Unit B10, 3/F., 94 Tokwawan Road, Kowloon, Hong Kong • Tel: (852) 2954 3333 • Fax: (852) 2954 3304

1

Preliminary

TE304(01) Revised in 03/09

821-M0680 Related Products

	821-M0680	821-M0432	821-M0679	821-M0772	821-M0773	821-M0774	821-M0775	821-M0776	821-M1674
Description	Telecom Transformer, SO016A	Telecom Transformer, SO016A	Telecom Transformer, SO016A	Telecom Transformer, SO016A	Telecom Transformer, SO016A	Telecom Transformer, SO016A	Telecom Transformer, SO016A	Telecom Transformer, SO016A	Telecom Transformer, SO016A
Maker	Elec & Eltek	Elec & Eltek	Elec & Eltek	Elec & Eltek	Elec & Eltek	Elec & Eltek	Elec & Eltek	Elec & Eltek	Elec & Eltek
package instruction	SO016A	SO016A	SO016A	SO016A	SO016A	SO016A	SO016A	SO016A	SO016A
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Other features	HEIGHT DIM. INCLUDES TERMINALS ALSO, TURNS RATIO: 1:2CT; 1:1	HEIGHT DIM. INCLUDES TERMINALS ALSO, TURNS RATIO: 1:2CT; 1:1	HEIGHT DIM. INCLUDES TERMINALS ALSO, TURNS RATIO: 1CT:1CT; 1:1	HEIGHT DIM. INCLUDES TERMINALS ALSO, TURNS RATIO: 1:1; 1:1	HEIGHT DIM. INCLUDES TERMINALS ALSO, TURNS RATIO: 1:1; 1:1.5	HEIGHT DIM. INCLUDES TERMINALS ALSO, TURNS RATIO: 1:1; 1CT:1CT	HEIGHT DIM. INCLUDES TERMINALS ALSO, TURNS RATIO: 1:1; 1:2CT	HEIGHT DIM. INCLUDES TERMINALS ALSO, TURNS RATIO: 1:1; 1:1	HEIGHT DIM. INCLUDES TERMINALS ALSO, TURNS RATIO: 1:2CT; 1:2CT
high	5.08 mm	5.08 mm	5.08 mm	5.08 mm	5.08 mm	5.08 mm	5.08 mm	5.08 mm	5.08 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	12.7 mm
Manufacturer's serial number	821-M0680	821-M0432	821-M0679	821-M0772	821-M0773	821-M0774	821-M0775	821-M0776	821-M1674
Installation features	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT
Maximum operating temperature	85 °C	85 °C	85 °C	70 °C	70 °C	70 °C	70 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-	-	-	-	-40 °C	-40 °C
method of packing	TAPE & REEL	TAPE & REEL	TAPE & REEL	TAPE & REEL	TAPE & REEL	TAPE & REEL	TAPE & REEL	TAPE & REEL	TAPE & REEL
physical size	L12.7XB6.86XH5.08 (mm)	L12.7XB6.86XH5.08 (mm)	L12.7XB6.86XH5.08 (mm)	L12.7XB6.86XH5.08 (mm)	L12.7XB6.86XH5.08 (mm)	L12.7XB6.86XH5.08 (mm)	L12.7XB6.86XH5.08 (mm)	L12.7XB6.86XH5.08 (mm)	L12.7XB6.86XH5.08 (mm)
surface mount	YES	YES	YES	YES	YES	YES	YES	YES	YES
Transformer type	TELECOM TRANSFORMER	TELECOM TRANSFORMER	TELECOM TRANSFORMER	TELECOM TRANSFORMER	TELECOM TRANSFORMER	TELECOM TRANSFORMER	TELECOM TRANSFORMER	TELECOM TRANSFORMER	TELECOM TRANSFORMER
width	6.86 mm	6.86 mm	6.86 mm	6.86 mm	6.86 mm	6.86 mm	6.86 mm	6.86 mm	6.86 mm
Base Number Matches	1	1	1	1	1	1	1	1	1

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