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BM12B-SURS-TF — JST product photo
JST

JST BM12B-SURS-TF Header – 0.80 mm Pitch, 12 Pos, SMT

MPNBM12B-SURS-TF
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JST SUR series, BM12B-SURS-TF, Board to Cable/Wire Header, 12 positions, 0.80 mm pitch, SMT, shrouded 4-wall, tin-plated contacts, solder retention features, UL94 V-0 natural nylon housing, rated 0.2 A / 0.5 A, 30 V, -25°C to 85°C, mated stack height 3.95 mm.

$1.0900Ref. price · indicative, final on quote
BM12B-SURS-TF datasheet
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
  • New & original stockTraceable channels only — no mixed lots, no re-taped reels.
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Specifications

BM12B-SURS-TF Technical Specifications
ParameterValue
SeriesSUR
GenderOuter Shroud Contact
Mounting typeSurface Mount
Connector typeHeader
Fastening typePush-Pull
Voltage rating30V
Current rating0.2A, 0.5A
Operating temperature-25°C ~ 85°C
Contact materialCopper Alloy
Insulation colorNatural
Insulation height0.106\" (2.70mm)
Insulation materialPolyamide (PA), Nylon
Mated stacking heights3.95mm
Material flammability ratingUL94 V-0
StyleBoard to Cable/Wire
PackageTape & Reel (TR) Cut Tape (CT)
FeaturesSolder Retention
ShroudingShrouded - 4 Wall
TerminationSolder
Contact shapeRectangular
Rows1
Pitch0.031\" (0.80mm)
Positions12
Contact finish - postTin
Contact finish - matingTin

Product details

0.80 mm pitch SMT header for tight board-to-cable routing

The BM12B-SURS-TF: JST SUR series header, 12 positions at 0.80 mm pitch, surface-mount with a shrouded 4-wall housing that protects the contacts during mating. Rated 0.2 A per contact (0.5 A peak) at 30 V – this is a signal-level interconnect, not for power delivery.

Solder retention and shrouded walls for reliable assembly

RoHS non-compliant per the listing – verify your assembly's regulatory requirements before committing.

Position count contrast within the SUR series

The 12-position BM12B-SURS-TF shares the same 0.80 mm pitch, stack height, and tin-plated contacts as the 10-position BM10B-SURS-TF(LF)(SN) and the 8-position BM08B-SURS-TF – the only difference is circuit count. If your BOM calls for 12 circuits, this is the correct member; the 10- or 8-position siblings will not fit a 12-way mating receptacle.

Frequently asked questions

What is the pitch of JST BM12B-SURS-TF?

The pitch is 0.031" (0.80 mm) – this is the center-to-center spacing between adjacent contacts, matching the SUR series receptacle.

Does BM12B-SURS-TF have solder retention features?

Yes, the header includes solder retention features that hold it in place during reflow soldering.

Is BM12B-SURS-TF RoHS compliant?

No, the listing shows RoHS non-compliant. Confirm your application's regulatory requirements before ordering.