SMB1251B1-3GT30G-50Alternatives & Equivalent Parts

About SMB1251B1-3GT30G-50

SMB1251B1-3GT30G-50 is a Connector component manufactured by Amphenol. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterSMB1251B1-3GT30G-50SourceSSM-120-L-DH39-30-10201393243-4
ManufacturerAmphenolSAMTECMolexTE Connectivity
Package TypeOtherOtherOther—
Pin Count54028
Temperature Range—-55.0°C ~ 125.0°C-40.0°C ~ 105.0°C-40.0°C ~ 85.0°C
Price$0.0000$3.6229$0.1581$1.2880
StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
YTEOL7.659.16.877
Body/Shell StyleJACKSOCKETPLUG—
Connector TypeRF SMB CONNECTORBOARD CONNECTORRECTANGULAR POWER CONNECTOR—
Contact Finish MatingGOLD (30) OVER NICKEL (100)GOLD (10)NOT SPECIFIED—
Contact Finish TerminationGOLD (30) OVER NICKEL (100)Tin (Sn) - with Nickel (Ni) barrierMatte Tin (Sn)—
Contact GenderMALEFEMALEMALE—
Coupling TypeSNAP———
DIN ConformanceNONONO—
Filter FeatureNONONO—
IEC ConformanceNONONO—
Insulator MaterialPOLYTETRAFLUOROETHYLENELIQUID CRYSTAL POLYMERPOLYAMIDE66—
JESD-609 Codee4e3e3—
MIL ConformanceNONONO—
Mounting StyleSTRAIGHTRIGHT ANGLERIGHT ANGLE—
Mounting TypeBOARDBOARDBOARD—
OptionGENERAL PURPOSEGENERAL PURPOSEGENERAL PURPOSE—
Panel MountNO———
Termination TypeSOLDERSURFACE MOUNTSOLDERSOLDER/QUICK CONNECT
Pbfree Code—YesYes—
Additional Feature—E.L.P., TIGER CLAWMINI-FIT JR—
Body Breadth—0.225 inch0.38 inch12.7 mm
Body Depth—0.32 inch0.764 inch—
Body Length—1 inch0.21 inch—
Contact Material—PHOSPHOR BRONZEBRASS—
Contact Pattern—RECTANGULAR——
Contact Resistance—10 mΩ10 mΩ—
Contact Style—SQ PIN-SKTSQ PIN-SKT—
Dielectric Withstanding Voltage—1000VAC V1500VAC V—
Insertion Force-Max—1.39 N——
Insulation Resistance—5000000000 Ω1000000000 Ω—
Insulator Color—BLACKNATURAL—
Mating Contact Pitch—0.1 inch——
Mating Contact Row Spacing—0.1 inch——
Mating Information—MULTIPLE MATING PARTS AVAILABLEMULTIPLE MATING PARTS AVAILABLE—
Mixed Contacts—NONO—
Number Of Connectors—ONEONE—
Number Of PCB Rows—2——
Number of Rows Loaded—2——
PCB Contact Pattern—RECTANGULAR——
PCB Contact Row Spacing—10.16 mm——
Plating Thickness—10u inch100u inch—
Rated Current (Signal)—1 A——
Reference Standard—ULCSA,TUV,ULCSA; UL; VDE
Terminal Pitch—2.54 mm——
Total Number of Contacts—402—
UL Flammability Code—94V-094V-2—
Withdrawl Force-Min—.556 N——
Board Mounting Option——PEG—
Contact Arrangement——S0P2—
Durability——30 Cycles—
Empty Shell——NO—
Mounting Option 1——FRICTION RAMP—
Mounting Option 2——LOCKING—
Terminal Length——0.14 inch0.003599187198374397 inch
Factory Lead Time———14 Weeks, 6 Days
Body Height———15.7 mm
Body Length or Diameter———29 mm
Coil Current(DC)-Max———0.033 A
Coil Operate Voltage(DC)———8.4 V
Coil Power———400 mW
Coil Release Voltage(DC)———1.2 V
Coil Resistance———360 Ω
Coil Voltage(DC)-Max———12 V
Coil Voltage-Nom———12 V
Coil/Input Supply Type———DC
Contact (AC) Max Power Rating R Load———2000VA@400VAC
Contact (AC) Max Rating R Load———8A@400VAC
Contact Current(AC)-Max———8 A
Contact Current(DC)-Max———8 A
Contact Voltage(AC)-Max———400 V
Contact/Output Supply Type———AC
Dielectric Strength Between Coil and Contacts———5000 Vrms
Dielectric Strength Between Open Contacts———1000 Vrms
End Contact Material———SILVER NICKEL
Input Switching Control Type———Random
Mounting Feature———PANEL MOUNT
Operate Time———8 ms
Packing Method———BOX; TUBE
Physical Dimension———29mm x 12.7mm x 15.7mm
Relay Action———MOMENTARY
Relay Form———2 FORM C
Relay Function———DPDT
Relay Type———POWER/SIGNAL RELAY
Release Time———6 ms
Sealing———RT3
Surface Mount———NO
Weight———13 g

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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Get one quote covering all 3 alternatives for SMB1251B1-3GT30G-50 — response within 24 hours.

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Why Look for Alternatives?

Finding alternatives for SMB1251B1-3GT30G-50 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating SMB1251B1-3GT30G-50 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to SMB1251B1-3GT30G-50?

Known equivalents for SMB1251B1-3GT30G-50 include SSM-120-L-DH, 39-30-1020, 1393243-4. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of SMB1251B1-3GT30G-50?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify SMB1251B1-3GT30G-50 alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.