| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| DB4 | Diotec Semiconductor AG | $0.0646 | DIAC, 45V V(BO) Max, DO-35 | DB4 vs DB4 |
| DB4-G | Sensitron Semiconductors | Check for Price | DIAC, 45V V(BO) Max, DO-35 | DB4 vs DB4-G |
| HT-4093RP | Teccor | Check for Price | DIAC, 45V V(BO) Max, DO-35 | DB4 vs HT-4093RP |
| BR100/04DO-41 | SEMIKRON | Check for Price | DIAC, 45V V(BO) Max, DO-204AL | DB4 vs BR100/04DO-41 |
| HT-40R91 | Teccor | Check for Price | DIAC, 45V V(BO) Max, DO-35 | DB4 vs HT-40R91 |
| DB4 | Continental Device India Ltd | Check for Price | DIAC, 45V V(BO) Max, DO-35 | DB4 vs DB4 |
| HT-40 | Littelfuse Inc | Check for Price | DIAC, 45V V(BO) Max, DO-35, ROHS COMPLIANT PACKAGE-2 | DB4 vs HT-40 |
| HT-40R | Teccor | Check for Price | DIAC, 45V V(BO) Max, DO-35 | DB4 vs HT-40R |
| D-40A | Hutson Industries | Check for Price | DIAC, 45V V(BO) Max, DO-35 | DB4 vs D-40A |
| D-40B | Hutson Industries | Check for Price | DIAC, 45V V(BO) Max, DO-41 | DB4 vs D-40B |
Part Details for DB4 by STMicroelectronics
Results Overview of DB4 by STMicroelectronics
- Distributor Offerings: (25 listings)
- Number of FFF Equivalents: (10 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
DB4 Information
DB4 by STMicroelectronics is a DIAC.
DIACs are under the broader part category of Trigger Devices.
Trigger devices initiate or control actions in electronic circuits by producing output signals when specific input conditions are met. They are commonly used in timing circuits and pulse generators. Read more about Trigger Devices on our Trigger Devices part category page.
Price & Stock for DB4
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
25M8899
|
Newark | Diac, 35V To 45V, 300Ma, Do-35, Full Ree, |Stmicroelectronics DB4 RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 1 Container: Bulk | 5621 |
|
$0.0520 / $0.2670 | Buy Now |
|
DISTI #
497-DB4TR-ND
|
DigiKey | DIAC/SIDAC 35-45V 2A DO-35 Min Qty: 5000 Container: Tape & Reel |
13597 Tape & Reel |
|
$0.0378 / $0.0517 | Buy Now |
|
DISTI #
497-DB4CT-ND
|
DigiKey | DIAC/SIDAC 35-45V 2A DO-35 Min Qty: 1 Container: Cut Tape |
3597 Cut Tape |
|
$0.0599 / $0.2700 | Buy Now |
|
DISTI #
E02:0323_00207178
|
Arrow Electronics | DIAC 45V 0.05mA 2-Pin DO-35 T/R RoHS: Exempt Min Qty: 5000 Package Multiple: 5000 Lead time: 11 Weeks Date Code: 2545 | Europe - 75000 |
|
$0.0360 / $0.0425 | Buy Now |
|
DISTI #
P02:6590_00207178
|
Arrow Electronics | DIAC 45V 0.05mA 2-Pin DO-35 T/R RoHS: Exempt Min Qty: 44 Package Multiple: 1 Lead time: 11 Weeks Container: Cut Strips | Asia - 8479 |
|
$0.0381 / $0.1536 | Buy Now |
|
DISTI #
511-DB4
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Mouser Electronics | Diacs 40 Volt Trigger RoHS: Compliant | 26667 |
|
$0.0430 / $0.2700 | Buy Now |
|
DISTI #
92066424
|
Verical | DIAC 45V 0.05mA 2-Pin DO-35 T/R RoHS: Exempt Min Qty: 5000 Package Multiple: 5000 Date Code: 2545 | Americas - 75000 |
|
$0.0355 / $0.0419 | Buy Now |
|
DISTI #
93255758
|
Verical | DIAC 45V 0.05mA 2-Pin DO-35 T/R RoHS: Exempt Min Qty: 44 Package Multiple: 1 | Americas - 8479 |
|
$0.0378 / $0.1523 | Buy Now |
|
DISTI #
70520933
|
RS | DIAC 40V 2A DO-35 Min Qty: 25 Package Multiple: 1 Container: Bulk | 0 |
|
$0.0930 / $0.1100 | RFQ |
|
|
STMicroelectronics | DIAC COO: France Min Qty: 1 | 26667 |
|
$0.0800 / $0.2700 | Buy Now |
US Tariff Estimator: DB4 by STMicroelectronics
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
DB4 CAD Models
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DB4 Part Data Attributes
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DB4
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
DB4
STMicroelectronics
DIAC, 45V V(BO) Max, DO-35
|
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.30.00.80 | |
| Factory Lead Time | 11 Weeks | |
| Breakover Voltage-Max | 45 V | |
| Breakover Voltage-Min | 35 V | |
| Case Connection | Isolated | |
| Configuration | Single | |
| JEDEC-95 Code | DO-35 | |
| JESD-30 Code | O-PALF-W2 | |
| JESD-609 Code | e3 | |
| Number of Elements | 1 | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 110 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Shape | Round | |
| Package Style | Long Form | |
| Qualification Status | Not Qualified | |
| Surface Mount | No | |
| Terminal Finish | Matte Tin (Sn) - Annealed | |
| Terminal Form | Wire | |
| Terminal Position | Axial | |
| Trigger Device Type | Diac |
Alternate Parts for DB4
This table gives cross-reference parts and alternative options found for DB4. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of DB4, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
DB4 Frequently Asked Questions (FAQ)
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The recommended operating voltage range for DB4 is 1.65V to 3.6V.
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To ensure data integrity in a noisy environment, use a bypass capacitor (e.g., 10nF) between VCC and GND, and consider using a series resistor (e.g., 10kΩ) on the SCL line to reduce noise coupling.
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The maximum clock frequency supported by DB4 is 400 kHz.
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Yes, DB4 supports multi-master I2C bus configuration, but ensure that each master device has a unique address and follows the I2C bus arbitration rules.
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To handle bus contention, use a bus arbiter or implement a software-based arbitration mechanism to ensure that only one master device accesses the bus at a time.