Product Information

78250MC

78250MC electronic component of Murata

Datasheet
Power Transformers 2mH 69pF 6 pin SM

Manufacturer: Murata
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

45: USD 2.1934 ea
Line Total: USD 98.703

0 - Global Stock
MOQ: 45  Multiples: 45
Pack Size: 45
Availability Price Quantity
0 - Global Stock


Ships to you between Thu. 04 Apr to Wed. 10 Apr

MOQ : 50
Multiples : 1

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78250MC
Murata

50 : USD 3.3745
100 : USD 3.3324
250 : USD 3.2537
500 : USD 3.2235
1000 : USD 3.1933
2500 : USD 3.1618
3000 : USD 3.1316
5000 : USD 3.1001
10000 : USD 3.0699

0 - Global Stock


Ships to you between Thu. 04 Apr to Wed. 10 Apr

MOQ : 11
Multiples : 1

Stock Image

78250MC
Murata

11 : USD 3.0912
25 : USD 2.9767
75 : USD 2.9767
200 : USD 2.8623
500 : USD 2.8623

0 - Global Stock


Ships to you between Wed. 10 Apr to Fri. 12 Apr

MOQ : 50
Multiples : 50

Stock Image

78250MC
Murata

50 : USD 3.0429
100 : USD 2.9101
250 : USD 2.7169

0 - Global Stock


Ships to you between Thu. 04 Apr to Wed. 10 Apr

MOQ : 45
Multiples : 45

Stock Image

78250MC
Murata

45 : USD 2.1934
50 : USD 2.0088
100 : USD 1.9686

     
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RoHS - XON
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78250 Series www.murata-ps.com MAX250/MAX251 Compatible Converter Transformers CHARACTERISTICS 78250C/78250MC Parameter Conditions Min. Typ. Max. Units Primary Inductance, L 10kHz, 100mV 1.0 2.0 2.5 mH P Leakage Inductance, L 100kHz, 100mV 2.0 3.0 H L Interwinding Capacitance, C 100kHz, 100mV 69 90 pF WW Primary D.C. Resistance, R <0.1VDC 1.0 2.0 DC Volt-time Product, Et Pins1/2 or 2/3 50 Vs FEATURES CHARACTERISTICS 78250VC/78250MVC Parameter Conditions Min. Typ. Max. Units n RoHS compliant Primary Inductance, L 10kHz, 100mV 1.0 2.0 2.5 mH P n Maxim MAX250/MAX251 compatible Leakage Inductance, L 100kHz, 100mV 35 40 H L Interwinding Capacitance, C 100kHz, 100mV 9 12 pF n Isolation to 4kVrms WW Primary D.C. Resistance, R <0.1VDC 1.4 1.8 DC n Industry-standard pinout Volt-time Product, Et Pins1/2 or 2/3 50 Vs n Surface mount option ORDER CODE DETAILS n UL 94 V-0 package materials Order Code Package Type Packaging Type Quantity n Low profile 78250C / 78250VC 6 Pin DIL Tube 50 78250MC / 78250MVC 6 Pin SM Tube 50 n Toroidal construction 78250MC-R / 78250MVC-R 6 Pin SM Tape & Reel 500 n Fully encapsulated ABSOLUTE MAXIMUM RATINGS n Industrial temperature range Operating free air temperature range -40C to 85C Storage temperature range -50C to 125C DESCRIPTION Lead temperature 1.5mm from case for 10 seconds 300C Peak current, I 300mA The 78250 series of converter transformers PK Isolation voltage 78250(M)C (flash tested for 1 second) 1.5kVrms are specifically designed for use with Maxim 4.0kVrms Isolation voltage 78250(M)VC (flash tested for 1 second) chipsets to provide isolated RS232 interfaces. Carefully controlled turns ratios ensure consistent All specifications typical at T =25C A performance whilst a toroidal construction TECHNICAL NOTES minimises EMI. ISOLATION VOLTAGE REPEATED HIGH-VOLTAGE ISOLATION TESTING Hi Pot Test, Flash Tested, Withstand Voltage, Proof Volt- It is well known that repeated high-voltage isolation Surface-mount parts age, Dielectric Withstand Voltage & Isolation Test Voltage testing of a barrier component can actually degrade are all terms that relate to the same thing, a test voltage, isolation capability, to a lesser or greater degree The surface-mount (M suffix) products are not applied for a specified time, across a component designed depending on materials, construction and environ- recommended for new designs. For existing designs, to provide electrical isolation, to verify the integrity of that ment. This series has toroidal isolation transformers, however, Murata Power Solutions will continue to isolation. with no additional insulation between primary and manufacture and fully support these parts. secondary windings of enameled wire. While parts All products in this series are 100% production tested at For recommended alternatives please refer to the can be expected to withstand several times the their stated isolation voltage. stated test voltage, the isolation capability does de- 78250J Series datasheet. A question commonly asked is, What is the continuous pend on the wire insulation. Any material, including voltage that can be applied across the part in normal opera- this enamel (typically polyurethane) is susceptible tion to eventual chemical degradation when subject to For a part holding no specific agency approvals both input very high applied voltages thus implying that the and output should normally be maintained within SELV limits number of tests should be strictly limited. We there- i.e. less than 42.4V peak, or 60VDC. The isolation test volt- fore strongly advise against repeated high voltage age represents a measure of immunity to transient voltages isolation testing, but if it is absolutely required, that and the part should never be used as an element of a safety the voltage be reduced by 20% from specified test isolation system. The part could be expected to function cor- voltage. rectly with several hundred volts offset applied continuously This consideration equally applies to agency recog- across the isolation barrier but then the circuitry on both nized parts rated for better than functional isolation sides of the barrier must be regarded as operating at an where the wire enamel insulation is always supple- unsafe voltage and further isolation/insulation systems must mented by a further insulation system of physical For full details go to form a barrier between these circuits and any user-acces- For full details go towww.cd4power.com/rohs spacing or barriers. www.murata-ps.com/rohs sible circuitry according to safety standard requirements. www.murata-ps.com/support KMP 78250C C07 Page 1 of 378250 Series MAX250/MAX251 Compatible Converter Transformers PACKAGE SPECIFICATIONS MECHANICAL DIMENSIONS 0.5 6 Pin DIL 6 Pin SM (12.70) 0.375 0.375 (9.52) MAX (9.52) Max. Primary Secondary Primary Secondary 1 6 1 6 0.354 0.354 2 2 5* (9.0) Max. (9.0) Max. 78250MC 78250C 3 4 3 4 XYYWW XYYWW 0.25 0.25 (6.35) (6.35) 0.1350.02 0.0120.30 0.025 (0.63) (3.440.50) (0.0080.20) 0.035 (0.90) 0.021 (0.53) 0.1 (2.54) 0.025 (0.63) 0.012(0.30) 0.021 (0.53) 0.008(0.20) 0.40 0.1 (10.16) (2.54) Unless otherwise stated all dimensions in inches (mm) 0.01 (0.25). All pins on a 0.1 (2.54) pitch and within 0.01 (0.25) of true position. * Pin 5 is connected to secondary center tap. Package Weight 1.0g TYP. RECOMMENDED FOOTPRINT DETAILS 6 Pin DIL 6 Pin SM 0.10 (2.54) 0.10 (2.54) 0.06 (1.60) 0.06 (1.60) 0.10 (2.54) 0.10 (2.54) 0.10 (2.54) 0.10 (2.54) +0.006 (0.15)+0.006 (0.15) 0.05 (1.20) 0.05 (1.20) -0.000 (0.00)-0.000 (0.00) 0.04 0.04 (1.00) (1.00) 0.45 0.45 (11.50) (11.50) Unless otherwise stated all dimensions in inches (mm) 0.01 (0.25). All pins on a 0.1 (2.54) pitch and within 0.01 (0.25) of true position. 1 TUBE OUTLINE DIMENSIONS SOLDERING INFORMATION 0.43 Pin finish Matte tin (10.95) Peak wave solder temperature 300C for 10 seconds Unless otherwise stated all 0.16 (4.00) 2 dimensions in inches (mm) Peak reflow temperature 220C 0.01 (0.25). 1 For further information, please visit www.murata-ps.com/rohs 0.0230.005 0.51 Tube length: 18.30.08 (4652). 2 For high temperature reflow parts see 78250J Series. (0.600.15) (12.95) Tube material: Antistatic coated clear pvc. 0.22 (5.50) 0.15 (3.80) 0.62 (15.70) www.murata-ps.com/support KMP 78250C C07 Page 2 of 3

Tariff Desc

8504.31.00 TC9500870 TRANSFORMERS, output, ferrite core, frequency within the range 20-50KHz, nominal power rating NOT greater than 100W

8504.31.00 TC1224368 TRANSFORMERS, LED, NOT less than 24VDC and NOT greater than 35VDC

8504.40.30 as follows
(a) separately housed units, designed to be housed in the same cabinet as the central processing unit of equipment of 8471
(b) for telecommunication apparatus of 8517
60 Electric current rectifying assemblies
Free

8504.31.00 TC702370 TRANSFORMERS, CURRENT AND/OR VOLTAGE, having ANY of the following
(a) current transformer voltage rating GREATER than 400kV
(b) voltage transformer voltage rating GREATER than 72kV
(c) combined current and voltage transformer voltage rating GREATER than 72kV

8504.34.00 TC513212 TRANSFORMERS, having ALL of the following
(a) primary and secondary winding
(b) primary voltage NOT less than 500kV
(c) greater than 330 MVA rating

8504.31 TC8343084 AUTOTRANSFORMERS, toroidal core, continuously variable from zero voltage

8504.31 TC8343083 TRANSFORMERS, radio frequency, power rating 100W continuous, frequency range 1.4MHz or greater but NOT exceeding 200.0MHz, input impedance 75ohms, output impedance 50ohms

8504.33.00 TC1761475 CURRENT TRANSFORMER MODULES, with OR without voltage measurement outputs, having NOT greater than 4 poles

8504.31.00 TRANSFORMERS, RF pulse, dual in-line packaging (DIP) TC9209172

8504.31.00 TC 1056338 TRANSFORMERS, TOROIDAL, STEP DOWN, isolated OR auto-wound, enclosed, complying with Australian & NZ Standards AS/NZS61558.1:2008, AS/NZS3820:2009 & AS/NZS3191:2008, including ALL of the following
(a) input voltage NOT less than 230V and NOT greater than 250V
(b) output voltage NOT less than 100V and NOT greater than 120V
(c) female 3 slot output chassis sockets rated at NOT greater than 20A
(d) rated Voltage Amps NOT less than 0.05kVA & NOT greater than 4kVA
(e) thermal fuse or thermal cut out protectors
IPDiA
MU2
MUP
MUR
MURATA
Murata - TOKO
Murata / IPDiA
Murata Electronics
Murata Electronics N
Murata Electronics North America
MURATA MANUFACTURING
Murata Manufacturing Co.
Murata Power Solutio
Murata Power Solutions
Murata Power Solutions Inc
Murata Power Solutions Inc.
Toko
TOKO AMERICA
Toko America Inc.
TOKO, Inc.
TOKYO PARTS INDUSTRIAL
Tokyo Parts Industrial Group

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