onsemi Transistor, 4 A NPN, 45 V dc, 3-Pin TO-225
- RS Stock No.:
- 184-4186
- Mfr. Part No.:
- BD437G
- Brand:
- onsemi
Bulk discount available
Subtotal (1 box of 500 units)*
£199.00
(exc. VAT)
£239.00
(inc. VAT)
FREE delivery for orders over £60.00
Temporarily out of stock
- 500 unit(s) shipping from 04 August 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Box* |
|---|---|---|
| 500 - 500 | £0.398 | £199.00 |
| 1000 - 2000 | £0.339 | £169.50 |
| 2500 - 4500 | £0.317 | £158.50 |
| 5000 - 9500 | £0.286 | £143.00 |
| 10000 + | £0.276 | £138.00 |
*price indicative
- RS Stock No.:
- 184-4186
- Mfr. Part No.:
- BD437G
- Brand:
- onsemi
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | onsemi | |
| Product Type | Transistor | |
| Maximum DC Collector Current Idc | 4A | |
| Maximum Collector Emitter Voltage Vceo | 45V dc | |
| Package Type | TO-225 | |
| Mount Type | Through Hole | |
| Transistor Configuration | Single | |
| Maximum Collector Base Voltage VCBO | 45V dc | |
| Minimum DC Current Gain hFE | 30 | |
| Maximum Power Dissipation Pd | 36W | |
| Maximum Emitter Base Voltage VEBO | 5V dc | |
| Maximum Transition Frequency ft | 1MHz | |
| Transistor Polarity | NPN | |
| Maximum Operating Temperature | 150°C | |
| Pin Count | 3 | |
| Series | BD437 | |
| Length | 8.3mm | |
| Height | 27.5mm | |
| Standards/Approvals | No | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand onsemi | ||
Product Type Transistor | ||
Maximum DC Collector Current Idc 4A | ||
Maximum Collector Emitter Voltage Vceo 45V dc | ||
Package Type TO-225 | ||
Mount Type Through Hole | ||
Transistor Configuration Single | ||
Maximum Collector Base Voltage VCBO 45V dc | ||
Minimum DC Current Gain hFE 30 | ||
Maximum Power Dissipation Pd 36W | ||
Maximum Emitter Base Voltage VEBO 5V dc | ||
Maximum Transition Frequency ft 1MHz | ||
Transistor Polarity NPN | ||
Maximum Operating Temperature 150°C | ||
Pin Count 3 | ||
Series BD437 | ||
Length 8.3mm | ||
Height 27.5mm | ||
Standards/Approvals No | ||
Automotive Standard No | ||
- COO (Country of Origin):
- CN
This series of plastic, medium-power NPN transistors can be used for amplifier and switching applications.
Pb-Free Packages are Available
Complementary Types are BD438 and BD442
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