
For Reference Only
Part Number | BUL128D-B |
OEMstron Part # | BUL128D-B |
Manufacturer | STMicroelectronics |
Category | Semiconductors › Transistors › Bipolar (BJT) - Single |
Description | TRANS NPN 400V 4A TO-220 |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | BUL128D-B PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Feb 25 - Mar 2 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
BUL128D-B Specifications
Part Number | BUL128D-B | |
Brand | STMicroelectronics | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Transistors | |
Subcategory | Bipolar (BJT) - Single | |
Manufacturer | STMicroelectronics | |
Series | - | |
Transistor Type | NPN | |
Current - Collector (Ic) (Max) | 4A | |
Voltage - Collector Emitter Breakdown (Max) | 400V | |
Vce Saturation (Max) @ Ib, Ic | 500mV @ 1A, 4A | |
Current - Collector Cutoff (Max) | 250µA | |
DC Current Gain (hFE) (Min) @ Ic, Vce | 12 @ 2A, 5V | |
Power - Max | 70W | |
Frequency - Transition | - | |
Operating Temperature | 150°C (TJ) | |
Mounting Type | Through Hole | |
Package / Case | TO-220-3 | |
Supplier Device Package | TO-220AB |
BUL128D-B Documents

Industry Leaders in Quality
Cooperation comes from trust,
And trust is based on quality.
Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
BUL128DB D# E02:0323_00206814 STMicroelectronics |
Trans GP BJT NPN 400V 4A 70000mW 3-Pin(3+Tab) TO-220AB Tube |
Europe - 3550 |
Part Number | Description | Stock |
BUL128D-B D# BUL128D-B STMicroelectronics |
Trans GP BJT NPN 400V 4A 3-Pin(3+Tab) TO-220 Tube - Rail/Tube (Alt: BUL128D-B) RoHS: Compliant
|
Americas - 0 |
Part Number | Description | Stock |
BUL128D-B D# BUL128D-B STMicroelectronics |
Trans GP BJT NPN 400V 4A 3-Pin(3+Tab) TO-220 Tube (Alt: BUL128D-B) |
Europe - 5400 |
Part Number | Description | Stock |
BUL128D-B STMicroelectronics |
TRANS NPN 400V 4A TO-220 |
2848 |
Part Number | Description | Stock |
BUL128DB STMicroelectronics |
RoHS: Compliant
|
Europe - 30000 |
Part Number | Description | Stock |
BUL128D-B D# 497-12755-5-ND STMicroelectronics |
TRANS NPN 400V 4A TO-220 |
3915 In Stock |
Part Number | Description | Stock |
BUL128D-B STMicroelectronics |
In stock shipping within 2days |
12260 |
Part Number | Description | Stock |
BUL128D-B STMicroelectronics |
BUL128 Series NPN 700V 4 A High Voltage Fast-Switching Power Transistor - TO-220 RoHS: Compliant
pbFree: Yes
|
0 Box |
Part Number | Description | Stock |
BUL128DB STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
34500 |
Part Number | Description | Stock |
BUL128D-B STMicroelectronics |
OEM/CM Immediate delivery |
12000 |
BUL128DB STMicroelectronics |
OEM/CM Immediate delivery |
8000 |
Part Number | Description | Stock |
BUL128D-B D# 511-BUL128D-B STMicroelectronics |
Bipolar Transistors - BJT PTD IGBT & IPM RoHS: Compliant
|
7685 |
Part Number | Description | Stock |
BUL128D-B D# XSKDRABS0036668 STMicroelectronics |
TO 220 AB NON/NPN TRAN 700V 4A |
4300 |
Part Number | Description | Stock |
BUL128D-B D# 41Y5365 STMicroelectronics |
INDUSTRIAL & POWER CONVERSION RoHS: Not Compliant
Min Qty: 4000
Container: Bulk
|
0 |
Part Number | Description | Stock |
BUL128D-B D# NS-BUL128D-B STMicroelectronics |
OEM/CM ONLY |
2514 |
Part Number | Description | Stock |
BUL128D-B D# 6868048 STMicroelectronics |
STMicroelectronics BUL128D-B NPN Transistor, 4 A, 400 V, 3-Pin TO-220, PK Min Qty: 10
Container: Package
|
240 |
Part Number | Description | Stock |
BUL128DB STMicroelectronics |
OEM/CM ONLY |
30616 |
Part Number | Description | Stock |
BUL128D-B STMicroelectronics |
IN stock Immediate delivery |
12015 |
BUL128DB STMicroelectronics |
IN stock Immediate delivery |
8015 |
Part Number | Description | Stock |
BUL128D-B STMicroelectronics |
shipping today |
11999 |
BUL128DB STMicroelectronics |
shipping today |
143 |
Part Number | Description | Stock |
BUL128DB D# 19174769 STMicroelectronics |
Trans GP BJT NPN 400V 4A 70000mW 3-Pin(3+Tab) TO-220AB Tube |
Americas - 3550 |
Part Number | Description | Stock |
BUL128D-B STMicroelectronics |
RFQ |
4823 |
BUL128DB STMicroelectronics |
RFQ |
1650 |
Part Number | Description | Stock |
BUL128D-B D# 1084520 STMicroelectronics |
TRANSISTOR, NPN, TO-220 RoHS: Compliant
Min Qty: 1
Container: Each
|
0 |
The Products You May Be Interested In
![]() |
KSD401YTU | TRANS NPN 150V 2A TO-220 | 321 More on Order |
![]() |
TN6726A | TRANS PNP 30V 1.5A TO-226 | 127 More on Order |
![]() |
KSD288O | TRANS NPN 55V 3A TO-220 | 226 More on Order |
![]() |
FMMT591QTA | TRANS PNP 60V 1A SOT23-3 | 3941 More on Order |
![]() |
BC848C-TP | TRANS NPN 30V 0.1A SOT-23 | 362 More on Order |
![]() |
BCP56-10,115 | TRANS NPN 80V 1A SOT223 | 25077 More on Order |
![]() |
BC846,215 | TRANS NPN 65V 0.1A SOT23 | 238018 More on Order |
![]() |
FZT658TA | TRANS NPN 400V 0.5A SOT-223 | 40702 More on Order |
![]() |
BC850CW RFG | TRANSISTOR, NPN, 45V, 0.1A, 420A | 400 More on Order |
![]() |
D45C8 | TRANS PNP 60V 4A TO-220 | 259 More on Order |
![]() |
MJD2955-1G | TRANS PNP 60V 10A IPAK | 272 More on Order |
![]() |
LP395Z/LFT1 | TRANS NPN 36V TO92-3 | 488 More on Order |
Quick Inquiry
In Stock | 291 - More on Order |
---|---|
Quote Limit | No Limit |
Lead-Time | To be Confirmed |
Minimum | 1 |
Add to Shopping Cart
Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 0.7400 | $ 0.7400 |
100 | $ 0.7400 | $ 74.0000 |
500 | $ 0.7400 | $ 370.0000 |
1000 | $ 0.7400 | $ 740.0000 |
2500 | $ 0.7400 | $ 1,850.0000 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
Contact Us
- CALL US
86-755-83232896
- SKYPE
- Message
Please feel free to contact us for details.