Skip to main content

JST BM40B Series

3 variants · JST

About the JST BM40B Series

The JST BM40B Series series groups 3 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 Gold. Variants differ by contact shape, fastening type and features, so you can match the exact contact shape your application requires using the selection guide below. All listed JST BM40B Series part numbers are active and orderable.

Select a variant by

Contact shape
- · Square
Fastening type
Latch Holder · Locking Ramp · Push-Pull
Features
Board Guide, Pick and Place, Solder Retention · Solder Retention
Gender
Male Pin · Non-Gendered · Outer Shroud Contact
Insulation height
0.159\" (4.05mm) · 0.167\" (4.25mm) · 0.197\" (5.00mm)
Insulation material
Polyamide (PA), Nylon · Polyamide (PA), Nylon, Glass Filled · Polybutylene Terephthalate (PBT)
Mated stacking heights
6.3mm · 7.3mm · 8.5mm
Package
Tape & Reel (TR) · Tape & Reel (TR); Cut Tape (CT)

Shared specifications

Applications
-
Connector type
Header
Contact finish - mating
Gold
Contact finish - post
-
Contact finish thickness - mating
-
Contact finish thickness - post
-
Contact length - mating
-
Contact length - post
-
Contact material
Phosphor Bronze
Current rating
1A
Ingress protection
-
Insulation color
Natural

Variant comparison

ParameterBM40B-SRDS-A-G-TF(LF)(SN)BM40B-GHDS-G-TF(LF)(SN)BM40B-SHLDS-G-TFT(LF)(SN)
Contact shapeSquare--
Fastening typePush-PullLocking RampLatch Holder
FeaturesBoard Guide, Pick and Place, Solder RetentionSolder RetentionSolder Retention
GenderMale PinOuter Shroud ContactNon-Gendered
Insulation height0.167\" (4.25mm)0.197\" (5.00mm)0.159\" (4.05mm)
Insulation materialPolyamide (PA), Nylon, Glass FilledPolybutylene Terephthalate (PBT)Polyamide (PA), Nylon
Mated stacking heights6.3mm8.5mm7.3mm
PackageTape & Reel (TR); Cut Tape (CT)Tape & Reel (TR)Tape & Reel (TR)

Request a quote on any JST BM40B 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 BM40B Series variants differ?
JST BM40B Series part numbers differ by contact shape, fastening type, features and gender. Use the selection guide above to pick by contact shape.
How many JST BM40B Series part numbers are listed?
3 JST BM40B Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for JST BM40B Series?
Request a quote (RFQ) for any JST BM40B Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants