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    PT91-21B Everlight Electronics Co Ltd

    Part No.:
    PT91-21B
    Manufacturer:
    Everlight Electronics Co Ltd
    Category:
    Phototransistors
    Package:
    Axial, Flat Leads
    Datasheet:
    PT91-21B.pdf
    Description:
    SENSOR PHOTO 940NM TOP VIEW AXL
    Quantity:

    Unit Price:$0

    Ext Price:$0

    Payment:
    Payment
    Shipping:
    Shipping

    Inventory:4,046

    Send us your inquiry,we will respond immediately.

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    Stock:4,046

    Qty. Unit Price Ext Price
    RFQ Add to cart

    PT91-21B Historical Prices This historical transaction price is taken from real offline transaction data of certified spot merchants in Huaqiangbei Electronic Commerce District, Shenzhen, China, and serves as a benchmark reference price for spot circulation in the industry; market prices fluctuate daily with inventory and delivery time, and are only used as a reference for BOM cost calculation.

    Date Price (USD)
    2022-07-07 $0.0266
    2021-09-27 $0.0414
    2021-07-20 $0.0369
    2021-05-24 $0.1034
    2020-05-29 $0.0414

    Product Details

    The PT91-21B from Everlight Electronics Co Ltd is part of our extensive selection of Phototransistors, designed to meet the demanding requirements of modern electronic applications. This component is widely used by engineers and manufacturers for its reliable performance, stable quality, and broad compatibility across various circuit designs. Whether applied in consumer devices, industrial equipment, automotive systems, or IoT solutions, the PT91-21B delivers dependable functionality that helps optimize design efficiency and reduce development time.

    At Chipkind Electronics, we provide genuine Everlight Electronics Co Ltd products with complete datasheets, specifications, and technical support. Each PT91-21B is carefully sourced through reliable distribution channels to support authenticity, traceability, and quality control. With our global supply chain and professional procurement team, customers can access stock information, competitive pricing, and flexible order quantities to fit both prototyping and mass production needs.

    Beyond offering the PT91-21B, Chipkind Electronics also provides alternative models, cross-references, and related components, making it easier to identify the right solution for your project. Our technical resources, combined with fast quotation and delivery services, give engineers and buyers the confidence to move quickly from design to production.

    PT91-21B Specifications

    • Specifications
    • FAQ
    Attributes
    Property Value
    Manufacturer
    Everlight Electronics Co Ltd
    Series:
    -
    Package/Case:
    Axial, Flat Leads
    Packaging:
    Bulk
    Product Status:
    Active
    Voltage - Collector Emitter Breakdown (Max):
    30 V
    Current - Collector (Ic) (Max):
    20 mA
    Current - Dark (Id) (Max):
    100 nA
    Wavelength:
    940nm
    Viewing Angle:
    -
    Power - Max:
    -
    Mounting Type:
    Through Hole
    Orientation:
    Top View
    Operating Temperature:
    -25°C ~ 85°C
    Grade:
    -
    Qualification:
    -
    Category:
    Phototransistors
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    Q1: What purchasing channels are offered to buy the Everlight Electronics Co Ltd PT91-21B through Chipkind Electronics?

    A1: Two ordering solutions are available for the Everlight Electronics Co Ltd PT91-21B component:

    • Direct Cart Checkout: When the PT91-21B model supports instant online checkout, select the "Add to Cart" button. You may then finish the transaction by filling out payment information and delivery addresses at checkout.
    • RFQ Quote Submission: This route fits large-volume purchases, customized tiered pricing demands or lead time verification. Hit the RFQ button to send your demand for PT91-21B, and our sales specialists will follow up with formal offers covering unit costs, stock availability and delivery schedules.

    Q2: What measures does Chipkind Electronics take to ensure genuine Everlight Electronics Co Ltd PT91-21B components?

    A2: Our supply chain of PT91-21B is strictly limited to Everlight Electronics Co Ltd original factories and officially licensed distribution partners. Every vendor must pass our rigid qualification screening process, and all component batches go through standardized professional quality testing prior to being dispatched to customers.

    Q3: Can I trust the listed pricing and stock status of PT91-21B shown on your page?

    A3: Our cost list and inventory data are updated regularly, typically every 24 hours. Electronic component markets experience constant supply and cost volatility, so we recommend verifying the final unit price and real-time stock status with our sales staff before confirming orders. All formal quotations stay effective for 5 calendar days.

    Q4: Which settlement options can customers utilize to complete payments?

    A4: Our platform supports multiple global payment channels: Telegraphic Transfer (T/T), PayPal, credit card transactions, Western Union, MoneyGram, Alipay and WeChat Pay. Extra service charges may apply to certain payment types, calculated based on your total order amount and receiving region.

    Q5: What logistics services are used to deliver PT91-21B orders?

    A5: We cooperate with mainstream global couriers including DHL, FedEx, UPS and TNT for all component shipments. Once goods leave our warehouse, tracking links will be sent to your registered email address. Standard express transit time ranges from 3 to 5 working days. You can also apply for supplementary shipping insurance if needed.

    Q6: Could you explain your product exchange and return regulations?

    A6: Every component passes mandatory Pre-Shipment Inspection (PSI) before delivery. Return or replacement services are eligible only when all the below requirements are met:

    • 1. Any product discrepancies such as missing quantities, incorrect parts or obvious physical flaws are notified within 90 days after parcel receipt;
    • 2. The PT91-21B components remain unused and kept inside intact original factory packaging;
    • 3. Customers acquire official Return Authorization from our customer service team in advance.

    Q7: Where can I access technical guidance for the PT91-21B chip?

    A7: Complete supporting technical documents including official datasheets, pinout schematics and practical application guides are posted directly on this product page. If you require further one-on-one technical assistance, submit a consultation form or send emails to [email protected] to reach our dedicated technical engineering team.

    Q8: What quality management accreditations and standards does Chipkind Electronics comply with?

    A8: Chipkind Electronics maintains valid ISO9001 and IATF16949 quality management certifications. We operate all business procedures in accordance with worldwide recognized quality criteria, which enables standardized component procurement, strict quality control workflows and ongoing optimization of our service system.

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