BD135 STMicroelectronics Transistor BJT NPN (Transistor Outline, Vertical) In Stock
The BD135 is an NPN bipolar power transistor from STMicroelectronics rated for a 45V maximum collector-emitter voltage and 1.5A maximum collector current, featuring a low-leakage design with a minimum DC current gain (hFE) of 40 in a TO-126 package.
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- BD135 Datasheet PDF
- Category
- Transistor BJT NPN
- Price
- From $0.0710(MOQ 10)
- Temp Range
- ?°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of BD135?
- NPN bipolar power transistor with low-leakage design
- Maximum collector-emitter voltage (VCEO) of 45V
- Maximum collector current (IC) rated at 1.5A
- Minimum DC current gain (hFE) of 40
- 3-pin TO-126 (JEDEC TO-126) power package
- Single transistor configuration for general-purpose amplification and switching
What is BD135 used for?
The BD135 is commonly used in low-power audio amplifier stages, voltage regulator pass elements, and general-purpose switching circuits where a 45V, 1.5A NPN transistor with low leakage current is required. Its TO-126 package provides adequate heat dissipation for moderate-power driver and amplifier applications.
What are the specifications of BD135?
| Pbfree Code | No |
| Manufacturer Package Code | 77-09 |
| YTEOL | 0 |
| Additional Feature | LOW LEAKAGE |
| Collector Current-Max (IC) | 1.5A |
| Collector-Emitter Voltage-Max | 45V |
| Configuration | SINGLE |
| DC Current Gain-Min (hFE) | 40 |
| JEDEC-95 Code | TO-126 |
| JESD-30 Code | R-PSFM-T3 |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Polarity/Channel Type | NPN |
| Power Dissipation Ambient-Max | 12.5W |
| Qualification Status | Not Qualified |
| Surface Mount | NO |
| Terminal Form | THROUGH-HOLE |
| Terminal Position | SINGLE |
| Transistor Element Material | SILICON |
| VCEsat-Max | 0.5V |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.29.00.75 |
| Country of Origin | India |
Where can I find the BD135 datasheet?
BD135 Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for BD135?
Compatible alternatives and drop-in replacements for BD135:
suggested
suggested
suggested
Power Bipolar Transistor, 1.5A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin
Frequently Asked Questions
What is the maximum collector-emitter voltage rating of the BD135?
The BD135 has a maximum collector-emitter voltage (VCEO) of 45V and a maximum collector current (IC) of 1.5A, making it suitable for low- to medium-power NPN switching and amplification applications.
How is the BD135 transistor packaged for power dissipation?
The BD135 is housed in a 3-pin TO-126 (JEDEC TO-126) package designed for moderate power dissipation, supporting a maximum collector current of 1.5A and a collector-emitter voltage rating of 45V in through-hole power circuits.
Is the BD135 RoHS (Pb-free) compliant?
The BD135 is not RoHS/Pb-free compliant per its factory code, so buyers requiring lead-free assembly should verify compliance needs; the device is rated for a 45V, 1.5A NPN transistor role in legacy and industrial repair applications.
Which circuit designs commonly use the BD135 NPN transistor?
The BD135 is commonly used in audio driver stages, linear voltage regulators, and general-purpose switching circuits that require a 45V, 1.5A NPN transistor with a minimum hFE of 40 and low leakage current.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $0.3200 | $3.20 |
| 100+ | $0.2800 | $28.00 |
| 500+ | $0.2200 | $110.00 |
| 1000+ | $0.0810 | $81.00 |
| 2000+ | $0.0750 | $150.00 |
| 5000+ | $0.0710 | $355.00 |
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