KB817-B Kingbright Integrated Circuit (Small Outline Packages) In Stock
Opto isolator,1 channel,SMD,KB817-B Kingbright KB817-B DC Input Transistor Output Optocoupler, Through Hole, 4-Pin SMD
- Manufacturer
- Kingbright
- Package
- Small Outline Packages
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- KB817-B Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3150(MOQ 1)
- Temp Range
- -30.0°C to 100.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the specifications of KB817-B?
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 7.5 |
| Additional Feature | UL RECOGNIZED, VDE APPROVED |
| Coll-Emtr Bkdn Voltage-Min | 35V |
| Configuration | SINGLE |
| Current Transfer Ratio-Min | 130% |
| Current Transfer Ratio-Nom | 50% |
| Dark Current-Max | 100nA |
| Forward Current-Max | 0.05A |
| Forward Voltage-Max | 1.4V |
| Isolation Voltage-Max | 5000V |
| Mounting Feature | THROUGH HOLE MOUNT |
| Number of Elements | 1 |
| On-State Current-Max | 0.05A |
| Optoelectronic Device Type | TRANSISTOR OUTPUT OPTOCOUPLER |
| Power Dissipation-Max | 0.15W |
| Response Time-Max | 0.000018s |
| Surface Mount | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| HTS Code | 8541.40.80.00 |
| Country of Origin | Mainland China |
What are equivalent replacements for KB817-B?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the price of KB817-B?
KB817-B is priced from $0.3150 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.
Is KB817-B in stock?
KB817-B is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.
Where can I buy KB817-B?
You can buy KB817-B from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for KB817-B from Kingbright.
What is the datasheet for KB817-B?
The official KB817-B datasheet from Kingbright contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.
What package does KB817-B come in?
KB817-B is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Kingbright
Kingbright is a leading electronic component manufacturer. FindMyChip sources Kingbright ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.5000 | $1.50 |
| 50+ | $0.4280 | $21.40 |
| 100+ | $0.4163 | $41.63 |
| 250+ | $0.3600 | $90.00 |
| 500+ | $0.3150 | $157.50 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit