JST B03B Series
12 variants · JST
About the JST JST B03B Series series
The JST JST B03B Series series groups 12 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 thickness - mating of -. Variants differ by contact finish - mating, contact finish - post and contact length - mating, so you can match the exact contact finish - mating your application requires using the selection guide below. The range mixes active and legacy part numbers, so you can source both current JST B03B Series variants and discontinued ones from a single page.
Select a variant by
- Contact finish - mating
- Tin · Tin-Lead
- Contact finish - post
- Tin · Tin-Lead
- Contact length - mating
- - · 0.126\" (3.20mm)
- Contact length - post
- 0.110\" (2.79mm) · 0.118\" (3.00mm) · 0.130\" (3.30mm) · 0.134\" (3.40mm)
- Contact shape
- Circular · Rectangular · Square
- Current rating
- 2A · 3A · 7A
- Fastening type
- Latch Holder · Locking Ramp
- Features
- - · Board Guide
Variant comparison
| Parameter | B03B-JWPF-SK-R(LF)(SN) | B03B-PASK-1(LF)(SN) | B03B-PASK(LF)(SN) | B03B-WPJES-3(LF)(SN) | B03B-WPJRS-2(LF)(SN) | B03B-WPJSS-1(LF)(SN) |
|---|---|---|---|---|---|---|
| Contact finish - mating | Tin | Tin | Tin | Tin | Tin | Tin |
| Contact finish - post | Tin | Tin | Tin | Tin | Tin | Tin |
| Contact length - mating | - | 0.126\" (3.20mm) | 0.126\" (3.20mm) | - | - | - |
| Contact length - post | 0.130\" (3.30mm) | 0.118\" (3.00mm) | 0.118\" (3.00mm) | 0.130\" (3.30mm) | 0.130\" (3.30mm) | 0.130\" (3.30mm) |
| Contact shape | Square | Square | Square | Square | Square | Square |
| Current rating | 3A | 3A | 3A | 7A | 7A | 7A |
| Fastening type | Latch Holder | Locking Ramp | Locking Ramp | Latch Holder | Latch Holder | Latch Holder |
| Features | Board Guide | Board Guide | - | Board Guide | Board Guide | Board Guide |
Shared specifications
- Applications
- -
- Connector type
- Header
- Contact finish thickness - mating
- -
- Contact finish thickness - post
- -
- Contact material
- Copper Alloy
- Material flammability rating
- UL94 V-0
- Mounting type
- Through Hole
- Package
- Bulk
- Positions
- 3
- Row spacing - mating
- -
- Rows
- 1
- Shrouding
- Shrouded - 4 Wall
Request a quote on any JST B03B 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 JST B03B Series variants differ?
- JST B03B Series part numbers differ by contact finish - mating, contact finish - post, contact length - mating and contact length - post. Use the selection guide above to pick by contact finish - mating.
- How many JST JST B03B Series part numbers are listed?
- 12 JST JST B03B Series part numbers are listed, each with specifications and a datasheet where available.
- How do I get pricing and lead time for JST JST B03B Series?
- Request a quote (RFQ) for any JST B03B Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.
All variants
Style: Board to Cable/Wire · Series: JWPF · Package: Bulk · Features: Board Guide · Shrouding: Shrouded - 4 Wall · Termination: Kinked Pin, Solder · Gender: Male Pin · Contact shape: Square · Mounting type: Through Hole · Connector type: Header · Fastening type: Latch Holder · Rows: 1 · Pitch: 0.079\" (2.00mm) · Voltage rating: 100V · Contact material: Copper Alloy · Insulation color: Natural · Insulation height: 0.654\" (16.61mm) · Ingress protection: Dust Tight, Waterproof · Insulation material: Polybutylene Terephthalate (PBT), Glass Filled · Positions: 3 · Contact finish - post: Tin · Contact length - post: 0.130\" (3.30mm) · Current rating: 3A · Operating temperature: -55°C~85°C · Mated stacking heights: 21mm · Contact finish - mating: Tin · Material flammability rating: UL94 V-0
Style: Board to Cable/Wire · Series: PA · Package: Bulk · Features: Board Guide · Shrouding: Shrouded - 4 Wall · Termination: Kinked Pin, Solder · Gender: Male Pin · Contact shape: Square · Mounting type: Through Hole · Connector type: Header · Fastening type: Locking Ramp · Rows: 1 · Pitch: 0.079\" (2.00mm) · Voltage rating: 250V · Contact material: Copper Alloy · Insulation color: Natural · Insulation height: 0.303\" (7.70mm) · Insulation material: Polybutylene Terephthalate (PBT), Glass Filled · Positions: 3 · Contact finish - post: Tin · Contact length - post: 0.118\" (3.00mm) · Current rating: 3A · Operating temperature: -25°C~85°C · Mated stacking heights: 9.9mm, 14.7mm, 14.9mm · Overall contact length: 0.319\" (8.10mm) · Contact finish - mating: Tin · Contact length - mating: 0.126\" (3.20mm) · Material flammability rating: UL94 V-0
Style: Board to Cable/Wire · Series: PA · Package: Bulk · Shrouding: Shrouded - 4 Wall · Termination: Kinked Pin, Solder · Gender: Male Pin · Contact shape: Square · Mounting type: Through Hole · Connector type: Header · Fastening type: Locking Ramp · Rows: 1 · Pitch: 0.079\" (2.00mm) · Voltage rating: 250V · Contact material: Copper Alloy · Insulation color: Natural · Insulation height: 0.303\" (7.70mm) · Insulation material: Polybutylene Terephthalate (PBT), Glass Filled · Positions: 3 · Contact finish - post: Tin · Contact length - post: 0.118\" (3.00mm) · Current rating: 3A · Operating temperature: -25°C~85°C · Mated stacking heights: 9.9mm, 14.7mm, 14.9mm · Overall contact length: 0.319\" (8.10mm) · Contact finish - mating: Tin · Contact length - mating: 0.126\" (3.20mm) · Material flammability rating: UL94 V-0
Style: Board to Cable/Wire · Series: WPJ · Package: Bulk · Features: Board Guide · Shrouding: Shrouded - 4 Wall · Termination: Solder · Gender: Male Pin · Contact shape: Square · Mounting type: Through Hole · Connector type: Header · Fastening type: Latch Holder · Rows: 1 · Pitch: 0.197\" (5.00mm) · Voltage rating: 300V · Contact material: Copper Alloy · Insulation color: Blue · Insulation height: 0.843\" (21.41mm) · Ingress protection: Waterproof · Insulation material: Polybutylene Terephthalate (PBT), Glass Filled · Positions: 3 · Contact finish - post: Tin · Contact length - post: 0.130\" (3.30mm) · Current rating: 7A · Operating temperature: -25°C ~ 85°C · Mated stacking heights: 25.3mm · Contact finish - mating: Tin · Material flammability rating: UL94 V-0
Style: Board to Cable/Wire · Series: WPJ · Package: Bulk · Features: Board Guide · Shrouding: Shrouded - 4 Wall · Termination: Solder · Gender: Male Pin · Contact shape: Square · Mounting type: Through Hole · Connector type: Header · Fastening type: Latch Holder · Rows: 1 · Pitch: 0.197\" (5.00mm) · Voltage rating: 300V · Contact material: Copper Alloy · Insulation color: Red · Insulation height: 0.843\" (21.41mm) · Ingress protection: Waterproof · Insulation material: Polybutylene Terephthalate (PBT), Glass Filled · Positions: 3 · Contact finish - post: Tin · Contact length - post: 0.130\" (3.30mm) · Current rating: 7A · Operating temperature: -25°C ~ 85°C · Mated stacking heights: 25.3mm · Contact finish - mating: Tin · Material flammability rating: UL94 V-0
Style: Board to Cable/Wire · Series: WPJ · Package: Bulk · Features: Board Guide · Shrouding: Shrouded - 4 Wall · Termination: Solder · Gender: Male Pin · Contact shape: Square · Mounting type: Through Hole · Connector type: Header · Fastening type: Latch Holder · Rows: 1 · Pitch: 0.197\" (5.00mm) · Voltage rating: 300V · Contact material: Copper Alloy · Insulation color: Natural · Insulation height: 0.843\" (21.41mm) · Ingress protection: Waterproof · Insulation material: Polybutylene Terephthalate (PBT), Glass Filled · Positions: 3 · Contact finish - post: Tin · Contact length - post: 0.130\" (3.30mm) · Current rating: 7A · Operating temperature: -25°C~85°C · Mated stacking heights: 25.3mm · Contact finish - mating: Tin · Material flammability rating: UL94 V-0
Style: Board to Cable/Wire · Series: PA · Package: Bulk · Features: Board Guide · Shrouding: Shrouded - 4 Wall · Termination: Kinked Pin, Solder · Gender: Male Pin · Contact shape: Square · Mounting type: Through Hole · Connector type: Header · Fastening type: Locking Ramp · Rows: 1 · Pitch: 0.079\" (2.00mm) · Voltage rating: 250V · Contact material: Copper Alloy · Insulation color: Black · Insulation height: 0.303\" (7.70mm) · Insulation material: Polybutylene Terephthalate (PBT), Glass Filled · Positions: 3 · Contact finish - post: Tin · Contact length - post: 0.118\" (3.00mm) · Current rating: 3A · Operating temperature: -25°C~85°C · Mated stacking heights: 9.9mm, 14.7mm, 14.9mm · Contact finish - mating: Tin · Material flammability rating: UL94 V-0
Style: Board to Cable/Wire · Series: PA · Package: Bulk · Features: Board Guide · Shrouding: Shrouded - 4 Wall · Termination: Kinked Pin, Solder · Gender: Male Pin · Contact shape: Square · Mounting type: Through Hole · Connector type: Header · Fastening type: Locking Ramp · Rows: 1 · Pitch: 0.079\" (2.00mm) · Voltage rating: 250V · Contact material: Copper Alloy · Insulation color: Natural · Insulation height: 0.303\" (7.70mm) · Insulation material: Polybutylene Terephthalate (PBT), Glass Filled · Positions: 3 · Contact finish - post: Tin-Lead · Contact length - post: 0.118\" (3.00mm) · Current rating: 3A · Operating temperature: -25°C~85°C · Mated stacking heights: 9.9mm, 14.7mm, 14.9mm · Overall contact length: 0.319\" (8.10mm) · Contact finish - mating: Tin-Lead · Contact length - mating: 0.126\" (3.20mm) · Material flammability rating: UL94 V-0
Style: Board to Cable/Wire · Series: XA · Package: Bulk · Features: Board Guide · Shrouding: Shrouded - 4 Wall · Termination: Press-Fit, Solder · Gender: Male Pin · Contact shape: Circular · Mounting type: Through Hole · Connector type: Header · Fastening type: Locking Ramp · Rows: 1 · Pitch: 0.098\" (2.50mm) · Voltage rating: 250V · Contact material: Copper Alloy · Insulation color: Natural · Insulation height: 0.346\" (8.80mm) · Insulation material: Polyamide (PA66), Nylon 6/6, Glass Filled · Positions: 3 · Contact finish - post: Tin · Contact length - post: 0.134\" (3.40mm) · Current rating: 3A · Operating temperature: -25°C ~ 85°C · Contact finish - mating: Tin · Material flammability rating: UL94 V-0
Style: Board to Cable/Wire · Series: XA · Package: Bulk · Features: Board Guide · Shrouding: Shrouded - 4 Wall · Termination: Press-Fit, Solder · Gender: Male Pin · Contact shape: Circular · Mounting type: Through Hole · Connector type: Header · Fastening type: Locking Ramp · Rows: 1 · Pitch: 0.098\" (2.50mm) · Voltage rating: 250V · Contact material: Copper Alloy · Insulation color: Natural · Insulation height: 0.346\" (8.80mm) · Insulation material: Polyamide (PA66), Nylon 6/6, Glass Filled · Positions: 3 · Contact finish - post: Tin · Contact length - post: 0.110\" (2.79mm) · Current rating: 3A · Operating temperature: -25°C ~ 85°C · Contact finish - mating: Tin · Material flammability rating: UL94 V-0
Style: Board to Cable/Wire · Series: XA · Package: Bulk · Shrouding: Shrouded - 4 Wall · Termination: Press-Fit, Solder · Gender: Male Pin · Contact shape: Circular · Mounting type: Through Hole · Connector type: Header · Fastening type: Locking Ramp · Rows: 1 · Pitch: 0.098\" (2.50mm) · Voltage rating: 250V · Contact material: Copper Alloy · Insulation color: Natural · Insulation height: 0.346\" (8.80mm) · Insulation material: Polyamide (PA66), Nylon 6/6, Glass Filled · Positions: 3 · Contact finish - post: Tin · Contact length - post: 0.110\" (2.79mm) · Current rating: 3A · Operating temperature: -25°C ~ 85°C · Contact finish - mating: Tin · Material flammability rating: UL94 V-0
Style: Board to Cable/Wire · Series: ZE · Package: Bulk · Features: Board Guide · Shrouding: Shrouded - 4 Wall · Termination: Kinked Pin, Solder · Gender: Outer Shroud Contact · Contact shape: Rectangular · Mounting type: Through Hole · Connector type: Header · Fastening type: Locking Ramp · Rows: 1 · Pitch: 0.059\" (1.50mm) · Voltage rating: 100V · Contact material: Copper Alloy · Insulation color: Natural · Insulation height: 0.335\" (8.51mm) · Insulation material: Polyamide (PA66), Nylon 6/6, Glass Filled · Positions: 3 · Contact finish - post: Tin · Contact length - post: 0.134\" (3.40mm) · Current rating: 2A · Operating temperature: -25°C ~ 85°C · Contact finish - mating: Tin · Material flammability rating: UL94 V-0