February 6, 2013

DATATRONIC

499 King’s Road, Hong Kong Tel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290

All specifications are subject to change without notice

ELECTRICAL SPECIFICATIONS AT 25ºC

IMPEDANCE

PRIMARY

600 Ohms

SECONDARY

600 Ohms

TURNS RATIO

1 : 1

INSERTION LOSS @ 2 kHz (max)

2.0 dB

FREQUENCY RESPONSE @ 200-4000Hz

±0.25 dB

RETURN LOSS @ 200-4000Hz

24 dB

LONGITUDINAL BALANCE (min)

80 dB

DISTORTION (max)

-76 dB

POWER LEVEL

10 dBm

SHUNT INDUCTANCE (min)

3.8 H

SHUNT LOSS (min)

7500 Ohms

LEAKAGE INDUCTANCE @ 1kHz

6-7 mH

UNBALANCED D.C. CURRENT

0 mA

DC RESISTANCE*

PRIMARY

(±15%)

115 Ohms

SECONDARY (±15%)

115 Ohms

INSULATION RESISTANCE (min) @500VDC

100 MOhms

DIELECTRIC STRENGTH for 1 minute (PRI – SEC)

3750 Vrms

(100% tested at 4600 Vrms for 2 seconds in production)

Weight:

2 grams

Note: For use with recommended circuit (BS6305 impedance Class A non-speech or Class B speech)

*SM501-1 is symmetrical meaning there is no real primary or secondary winding.

**SM501-1 is identical to SM-LP-5001. SM-LP-5001 is the European version and is UL60950-1 recognized.

Terminal finish is compliant to RoHS requirements

Moisture Sensitivity Level = 3

OUTLINE SPECIFICATIONS

SURFACE MOUNT TELECOM TRANSFORMER SM501-1

Features



UL60950-1 Recognized



Operating Temp. -20°C to +85°C



Storage Temp. -20°C to +85°C

APPLICATIONS



Modems



Laptop Computers



Telecommunications



Instrumentation

SM501-1 DATE

PRC

C

US

1

2

3

4

5

6

12.5

0.60

Typ

0.60

Typ

9.60

ALL DIMENSIONS IN MILLIMETERS

TOLERANCE : .XX =+/-0.25MM

7.36

Leads Coplanarity = 0.15mm Maximum

1

3

6

4

PR

SEC

SCHEMATIC

N/C

N/C

2.50 X 0.95

2.54

5.08

12.0

LINE

600

6.8nF

±5%

6.8nF

±5%

430



600

LINE

370



310nF

100nF

±5%

680



560



620



BS6305 CLASS A MATCHING (NON-SPEECH)

RECOMMENDED CIRCUITS

3.3uF

±5%

±2%

±2%