Available 24/7 at
0755-82798135Rohm Semiconductor SIM-040ST
SIM-040ST Supplier & Distributor
SIM-040ST is an electronic component from Rohm Semiconductor. TomatoElec is an in-stock independent distributor supporting original component sourcing, inventory checks and BOM purchasing needs.
We support RFQ handling, component availability confirmation and sourcing coordination for OEM, EMS, repair and electronic trading companies.
- Original component sourcing support
- In-stock inventory checking
- RFQ and availability confirmation
- BOM sourcing and bulk order support
- Part No.:
- SIM-040ST
- Manufacturer:
- Rohm Semiconductor
- Category:
- LED Emitters - Infrared, UV, Visible
- Package:
- 2-SMD, No Lead
- Datasheet:
-
SIM-040ST.pdf
- Description:
- EMITTER IR 870NM 100MA SMD
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:

- Shipping:

Inventory:10,170
Send us your inquiry,we will respond immediately.
About SIM-040ST
Looking for SIM-040ST supplier or distributor? Tomato Electronics provides high-quality electronic components including MLCC capacitors, tantalum capacitors, ICs, diodes and more.
Contact us now for quotation and availability of SIM-040ST.
SIM-040ST Specifications
- Specifications
- FAQ
- The Posts
- Attributes
- Property Value
- Manufacturer
- Rohm Semiconductor
- Series:
- -
- Package/Case:
- 2-SMD, No Lead
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Infrared (IR)
- Current - DC Forward (If) (Max):
- 100mA
- Radiant Intensity (Ie) Min @ If:
- 20mW/sr @ 100mA
- Wavelength:
- 870nm
- Voltage - Forward (Vf) (Typ):
- 1.7V
- Viewing Angle:
- 40°
- Orientation:
- Top View
- Operating Temperature:
- -25°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Category:
- LED Emitters - Infrared, UV, Visible
1. How to order SIM-040ST from Hong Kong Tomato Electronics Co., Limited?
You can submit an RFQ for SIM-040ST directly on our website. After receiving your request, our sales team will contact you with price, availability, lead time and order details. Once you confirm the quotation, we will help you complete the order process.
2. How does Hong Kong Tomato Electronics Co., Limited ensure that SIM-040ST is original and reliable?
Hong Kong Tomato Electronics Co., Limited works with qualified supply channels and applies strict quality control procedures for electronic components including SIM-040ST. We pay close attention to supplier screening, product verification and delivery quality to help customers source with confidence.
3. Are the price and inventory of SIM-040ST accurate?
The price and inventory of SIM-040ST may change due to market conditions and stock movement. We update information as frequently as possible, but final quotation and availability should be confirmed by our sales team. In most cases, quotations are valid for 3 to 5 days.
4. What payment methods are accepted?
We usually accept Wire Transfer, PayPal, Alipay, WeChat Pay, Credit Card, Western Union and other agreed payment methods, depending on the order and customer location.
Please note that some payment methods may involve additional handling charges.
5. How is the shipping arranged?
Customers can choose major international carriers such as DHL, UPS, FedEx and other available shipping methods. Shipping options depend on package size, destination and delivery urgency.
After shipment, our team will send you the shipping status and tracking number by email.
Please note that tracking information may take some time to become active after dispatch.
6. What is the return or replacement policy for SIM-040ST?
All shipments are checked before dispatch. If there is a confirmed issue related to the delivered SIM-040ST, such as incorrect quantity, wrong item or verified product problem, please contact us as soon as possible.
Return or replacement requests are usually accepted only when the part remains unused and in its original packaging, and when the issue is reported within the agreed time after delivery.
Please contact our team first before returning any goods so that we can confirm the issue and provide return instructions.
7. How can I get technical support, such as the datasheet or specifications for SIM-040ST?
If you need technical support for SIM-040ST, including datasheets, specifications or general product information, please contact our sales team. We will do our best to help you obtain the relevant information.

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- Comparison
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| Part No. | SIM-040ST | SIM-012SBT87 | SIM-012STT87 | SIM-20ST | SIM-22STF |
| Manufacturer | Rohm Semiconductor | Rohm Semiconductor | Rohm Semiconductor | Rohm Semiconductor | Rohm Semiconductor |
| Series | - | - | - | - | - |
| Package/Case | 2-SMD, No Lead | 4-SMD, No Lead | 4-SMD, No Lead | Radial | Radial |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Bulk | Bulk |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Infrared (IR) | Infrared (IR) | Infrared (IR) | Infrared (IR) | Infrared (IR) |
| Current - DC Forward (If) (Max) | 100mA | 40mA | 40mA | 50mA | 50mA |
| Radiant Intensity (Ie) Min @ If | 20mW/sr @ 100mA | 0.9mW/sr @ 20mA | 0.9mW/sr @ 20mA | 7.5mW/sr @ 50mA | 0.8mW/sr @ 10mA |
| Wavelength | 870nm | 950nm | 950nm | 950nm | 950nm |
| Voltage - Forward (Vf) (Typ) | 1.7V | 1.2V | 1.2V | 1.3V | 1.3V |
| Viewing Angle | 40° | 24° | 24° | 30° | 60° |
| Orientation | Top View | Side View | Side View | Side View | Side View |
| Operating Temperature | -25°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -25°C ~ 85°C (TA) | -25°C ~ 85°C (TA) |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Through Hole | Through Hole |
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