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JST BM12B Series

7 variants · JST

About the JST BM12B Series

The JST BM12B Series series groups 7 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common applications of -, connector type of Header and contact finish - mating of Tin. Variants differ by contact material, contact shape and current rating, so you can match the exact contact material your application requires using the selection guide below. All listed JST BM12B Series part numbers are active and orderable.

Select a variant by

Contact material
Copper Alloy · Phosphor Bronze
Contact shape
- · Rectangular · Square
Current rating
1A · 2A · 3A
Fastening type
Latch Holder · Locking Ramp · Push-Pull
Features
Board Guide, Pick and Place, Solder Retention · Pick and Place, Solder Retention · Solder Retention
Gender
Male Pin · Outer Shroud Contact
Insulation height
0.159\" (4.05mm) · 0.167\" (4.25mm) · 0.236\" (6.00mm) · 0.295\" (7.50mm) · 0.350\" (8.89mm)
Insulation material
Polyamide (PA), Nylon · Polyamide (PA6T), Nylon 6T · Polyamide (PA9T), Nylon 9T

Shared specifications

Applications
-
Connector type
Header
Contact finish - mating
Tin
Contact finish - post
Tin
Contact finish thickness - mating
-
Contact finish thickness - post
-
Contact length - mating
-
Contact length - post
-
Ingress protection
-
Insulation color
Natural
Material flammability rating
UL94 V-0
Mounting type
Surface Mount

Variant comparison

ParameterBM12B-GHS-TBT(LF)(SN)(N)BM12B-GVHS-TB(LF)(SN)BM12B-NSHSS-TBT (LF)(SN)BM12B-PASS-1-TFT(LF)(SN)BM12B-SRSS-TB(LF)(SN)BM12B-SRSS-TBT(LF)(SN)
Contact materialPhosphor BronzePhosphor BronzeCopper AlloyCopper AlloyCopper AlloyCopper Alloy
Contact shapeRectangularRectangular-SquareSquareSquare
Current rating1A1A1A3A1A1A
Fastening typeLocking RampLatch HolderLatch HolderLocking RampPush-PullPush-Pull
FeaturesPick and Place, Solder RetentionSolder RetentionPick and Place, Solder RetentionBoard Guide, Pick and Place, Solder RetentionSolder RetentionPick and Place, Solder Retention
GenderOuter Shroud ContactOuter Shroud ContactMale PinMale PinMale PinMale Pin
Insulation height0.159\" (4.05mm)0.159\" (4.05mm)0.236\" (6.00mm)0.350\" (8.89mm)0.167\" (4.25mm)0.167\" (4.25mm)
Insulation materialPolyamide (PA9T), Nylon 9TPolyamide (PA6T), Nylon 6TPolyamide (PA), NylonPolyamide (PA), NylonPolyamide (PA), NylonPolyamide (PA), Nylon

Request a quote on any JST BM12B Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the JST BM12B Series variants differ?
JST BM12B Series part numbers differ by contact material, contact shape, current rating and fastening type. Use the selection guide above to pick by contact material.
How many JST BM12B Series part numbers are listed?
7 JST BM12B Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for JST BM12B Series?
Request a quote (RFQ) for any JST BM12B Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants