Name: BD678
Brand: ON Semiconductor
SKU: BD678
Availability: InStock
Rating: 5 (81 reviews)

BD678

For Reference Only

Part Number	BD678
Manufacturer	ON Semiconductor
Description	TRANS PNP DARL 60V 4A TO225
Datasheet	BD678 Specifications
Package	TO-225AA, TO-126-3
ECAD
In Stock	130,248 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 27 - May 2 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # BD678 (Transistors - Bipolar (BJT) - Single) is manufactured by ON Semiconductor and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For BD678 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add BD678 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of BD678.

BD678 Specifications

Manufacturer	ON Semiconductor
Category	Discrete Semiconductor Products - Transistors - Bipolar (BJT) - Single
Package	TO-225AA, TO-126-3
ECAD
Series	-
Transistor Type	PNP - Darlington
Current - Collector (Ic) (Max)	4A
Voltage - Collector Emitter Breakdown (Max)	60V
Vce Saturation (Max) @ Ib, Ic	2.5V @ 30mA, 1.5A
Current - Collector Cutoff (Max)	500µA
DC Current Gain (hFE) (Min) @ Ic, Vce	750 @ 1.5A, 3V
Power - Max	40W
Frequency - Transition	-
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-225AA, TO-126-3
Supplier Device Package	TO-225AA

BD678 Reviews

Kars*****istry

March 30, 2023

★ ★ ★ ★ ★

Bought these to help prevent solar panels from feeding back. Works great and doesn't get as hot.

Eri*****Dayal

March 29, 2023

★ ★ ★ ★ ★

This seems to be a good set. I'll update more when I've tested these and can review their working quality.

Sebas*****Nelson

March 24, 2023

★ ★ ★ ★ ★

So far so good. I need to see how they hold up.

Kyr*****unlap

March 12, 2023

★ ★ ★ ★ ★

All OK, fast delivery, good quality. Product works as it should, Nice Seller.

Core*****rrell

March 9, 2023

★ ★ ★ ★ ★

No complaints. Works perfectly every single one of them! great quality! No bent pins either!

Stev*****ilcox

March 6, 2023

★ ★ ★ ★ ★

Order arrived to Estonia in 3 days. Item as described. Well packed.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

BD678 Packaging

BD678 FAQ

1. How to order BD678 on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that BD678 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the BD678. All suppliers must pass our qualification reviews before they can publish their products including BD678 on Heisener; we pay more attention to the channels and quality of BD678 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the BD678 price and inventory displayed accurate?

The price and inventory of BD678 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of BD678?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the BD678 we delivered, we will accept the replacement or return of the BD678 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of BD678.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as BD678 pin diagram, BD678 datasheet?

If you need any after-sales service, please do not hesitate to contact us.

BD678 Related Products

DSC1124CE1-100.0000	Microchip Technology, OSC MEMS 100.0000MHZ HCSL SMD, 6-SMD, No Lead, -	View
RT8290GSP	Richtek USA Inc., IC REG BUCK ADJ 3A SYNC 8SOP, 8-SOIC (0.154", 3.90mm Width) Exposed Pad, -	View
ALMD-CM1F-34002	Broadcom Limited, LED GREEN SMT ROUND INGAN 15DEG, -, -	View
PWR221T-30-12R0F	Bourns Inc., RES 12 OHM 30W 1% TO220, TO-220-2, -	View
CMF704K7000JKEK	Vishay Dale, RES 4.7K OHM 1.75W 5% AXIAL, Axial, -	View
CPF0603B200RE	TE Connectivity Passive Product, RES SMD 200 OHM 0.1% 1/16W 0603, 0603 (1608 Metric), -	View
ERJ-S02F1131X	Panasonic Electronic Components, RES SMD 1.13K OHM 1% 1/10W 0402, 0402 (1005 Metric), -	View
CLM-112-02-F-D-BE-K-TR	Samtec Inc., 1MM MICRO STRIPS, -, -	View
LJT07RE-25-37SC-023	Amphenol Aerospace Operations, LJT 37C 37#16 SKT RECP, -, -	View
ACT90MB99SD-6149	TE Connectivity Deutsch Connectors, ACT90MB99SD-6149, -, -	View
MS27467T19B18B	Amphenol Aerospace Operations, CONN PLG HSG FMALE 18POS INLINE, -, -	View
W632GU6NB-11	Winbond Electronics, IC SDRAM 2G DDR3 96WFBGA, 96-VFBGA, -	View

BD678 Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
BD678G D# V99:2348_07300175	ON Semiconductor	Trans Darlington PNP 60V 4A 40000mW 3-Pin(3+Tab) TO-225 Box RoHS: Compliant	0
BD678 D# V36:1790_06548007	STMicroelectronics	Trans Darlington PNP 60V 4A 40000mW 3-Pin(3+Tab) SOT-32 Tube	0
BD678AG D# V36:1790_07289963	ON Semiconductor	Trans Darlington PNP 60V 4A 40000mW 3-Pin(3+Tab) TO-225 Box RoHS: Compliant	0
BD678A D# V99:2348_17624239	STMicroelectronics	Trans Darlington PNP 60V 4A 40000mW 3-Pin(3+Tab) SOT-32 Tube	0

Part Number	Manufacturer	Description	Stock
BD678G D# BD678G	ON Semiconductor	Trans Darlington PNP 60V 4A 3-Pin(3+Tab) TO-225 Bulk - Bulk (Alt: BD678G) RoHS: Compliant	0
BD678AS D# BD678AS	ON Semiconductor	Trans Darlington PNP 60V 4A 3-Pin(3+Tab) TO-126 Bulk - Bulk (Alt: BD678AS) RoHS: Compliant	0
BD678AG D# BD678AG	ON Semiconductor	Trans Darlington PNP 60V 4A 3-Pin(3+Tab) TO-225 Bulk - Bulk (Alt: BD678AG) RoHS: Compliant	0
BD678 D# BD678	STMicroelectronics	Trans Darlington PNP 60V 4A 3-Pin(3+Tab) SOT-32 Tube - Rail/Tube (Alt: BD678) RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

BD67891MUV-E2

D# BD67891MUV-E2

ROHM Semiconductor

3-Phase Motor Driver 2.3V to 5.5V 32-Pin VQFN Embossed Carrier T/R (Alt: BD67891MUV-E2)

Part Number	Manufacturer	Description	Stock
BD678AG D# BD678AG	ON Semiconductor	Trans Darlington PNP 60V 4A 3-Pin(3+Tab) TO-225 Bulk (Alt: BD678AG)	0
BD678A D# BD678A	STMicroelectronics	Trans Darlington PNP 60V 4A 3-Pin(3+Tab) SOT-32 Tube (Alt: BD678A)	0
BD678G D# BD678G	ON Semiconductor	Trans Darlington PNP 60V 4A 3-Pin(3+Tab) TO-225 Bulk (Alt: BD678G)	0
BD678 D# BD678	STMicroelectronics	Trans Darlington PNP 60V 4A 3-Pin(3+Tab) SOT-32 Tube (Alt: BD678)	0

Part Number

Manufacturer

Description

Stock

BD678A

Motorola Semiconductor Products

1430

BD678

Motorola Semiconductor Products

500

Part Number

Manufacturer

Description

Stock

BD678

D# 14S6650

Continental Device India Ltd

Transistor BD678

1933

Part Number	Manufacturer	Description	Stock
BD678AG	ON Semiconductor	BIP C77 PNP 4A 60V - Boxed Product (Development Kits)	0
BD678AS	Fairchild Semiconductor Corporation	PNP/60V/4A - Bulk	0
BD678A	STMicroelectronics	Min Qty 600	6850
BD678G	ON Semiconductor	BIP C77 PNP 4A 60V , ROHS COMPLIANT: YES	0
BD678	STMicroelectronics	Min Qty 600	91400

Part Number

Manufacturer

Description

Stock

BD678

STMicroelectronics

Power Bipolar Transistor, 4A I(C), 60V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin

RoHS: Compliant

BD678G

ON Semiconductor

Power Bipolar Transistor, 4A I(C), 60V V(BR)CEO, 1-Element, PNP, Silicon, TO-225AA, Plastic/Epoxy, 3 Pin

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
BD678AS D# 2156-BD678AS-ND	Rochester Electronics LLC	POWER BIPOLAR TRANSISTOR, 4A I(C	1698
BD678G D# BD678GOS-ND	ON Semiconductor	TRANS PNP DARL 60V 4A TO225	0
BD678 D# 497-5715-ND	STMicroelectronics	TRANS PNP DARL 60V 4A SOT-32	0
BD678A D# 497-6658-5-ND	STMicroelectronics	TRANS PNP DARL 60V 4A SOT-32	10
BD678AG D# BD678AGOS-ND	ON Semiconductor	TRANS PNP DARL 60V 4A TO225AA	1007

Part Number

Manufacturer

Description

Stock

BD678A

D# BD678A

Motorola Semiconductor Products

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

Part Number

Manufacturer

Description

Stock

BD678

STMicroelectronics

In stock shipping within 2days

822

Part Number	Manufacturer	Description	Stock
MKDS 5/ 3-6,35 BD:6,7,8 D# 3241406	Phoenix Contact	TB, WIRE TO BRD, 3POS, 10AWG RoHS: Compliant Min Qty: 50 Container: Each	0
BD678 D# 9946446	STMicroelectronics	DARLINGTON TRANSISTOR, SOT-32 RoHS: Compliant Min Qty: 5 Container: Each	930
BD678AG D# 2630285	ON Semiconductor	TRANS, DARLINGTON, NPN, -60V, TO-225 RoHS: Compliant Min Qty: 1 Container: Each	1206
BD678A D# 2849625	STMicroelectronics	TRANSISTOR, PNP, -60V, -4A, SOT-32-3 RoHS: Compliant Min Qty: 5 Container: Each	26

Part Number	Manufacturer	Description	Stock
BD678G	ON Semiconductor	BD Series 60 V 4 A Medium Power Silicon PNP Darlington Transistor - TO-225AA RoHS: Compliant pbFree: Yes	0
BD678	STMicroelectronics	BD6xxx Series PNP 60 V 4 A Complementary Darlington Transistor - SOT-32 RoHS: Compliant pbFree: Yes	0
BD678AG	ON Semiconductor	BD Series 60 V 4 A Medium Power Silicon PNP Darlington Transistor - TO-225 RoHS: Compliant pbFree: Yes	0
BD678A	STMicroelectronics	RoHS: Compliant pbFree: Yes	200

Part Number	Manufacturer	Description	Stock
BD678240	UNKN	OEM/CM QUOTES ONLY \| NO BROKERS	12
BD6789609	UNKN	OEM/CM QUOTES ONLY \| NO BROKERS	23
BD678	Inchange Semiconductor Company Ltd	OEM/CM QUOTES ONLY \| NO BROKERS	72450
BD678STM	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	138
BD678AS	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	2300
BD678ALIAS933253090127	Philips Semiconductors	OEM/CM QUOTES ONLY \| NO BROKERS	173
BD678G	ON SEMICONDUCTOR	OEM/CM QUOTES ONLY \| NO BROKERS	18957
BD678P	New Jersey Semiconductor Products Inc	OEM/CM QUOTES ONLY \| NO BROKERS	10
BD678N	NXP Semiconductors	OEM/CM QUOTES ONLY \| NO BROKERS	460
BD678AG	ON SEMICONDUCTOR	OEM/CM QUOTES ONLY \| NO BROKERS	4025
BD678A	Inchange Semiconductor Company Ltd	OEM/CM QUOTES ONLY \| NO BROKERS	69000

Part Number

Manufacturer

Description

Stock

BD678DC92

NXP Semiconductors

OEM/CM ONLY

1022

Part Number

Manufacturer

Description

Stock

BD678A

STMicroelectronics

in stock - can ship the same day

BD678

STMicroelectronics

in stock - can ship the same day

Part Number

Manufacturer

Description

Stock

MKDS 5/ 3-6 35 BD:6 7 8

Phoenix Contact

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
BD678	STMicroelectronics	OEM/CM Immediate delivery	556398
BD67891MUV-E2	ROHM Semiconductor	OEM/CM Immediate delivery	33
BD6780EFV-E2	ROHM Semiconductor	OEM/CM Immediate delivery	2000

Part Number	Manufacturer	Description	Stock
BD678G D# 863-BD678G	ON Semiconductor	Darlington Transistors 4A 60V Bipolar Power PNP RoHS: Compliant	2038
BD678 D# 511-BD678	STMicroelectronics	Darlington Transistors DARLINGTON TRAN RoHS: Compliant	12
BD678AS D# 512-BD678AS	ON Semiconductor	Darlington Transistors PNP Epitaxial Sil RoHS: Compliant	1349
BD678AG D# 863-BD678AG	ON Semiconductor	Darlington Transistors 4A 60V Bipolar Power PNP RoHS: Compliant	2296
BD678A D# 511-BD678A	STMicroelectronics	Darlington Transistors PNP Power Darlington RoHS: Compliant	37

Part Number

Manufacturer

Description

Stock

BD678AG

D# XSKDRABV0061441

ON SEMICONDUCTOR

3000

Part Number	Manufacturer	Description	Stock
BD678AG D# 41K9620	ON Semiconductor	DARLINGTON TRANSISTOR, PNP, -60V, TO-225, Transistor Polarity:PNP, Collector Emitter Voltage V(br)ceo:-60V, DC Collector Current:-4A, Power Dissipation Pd:40W, Transistor Mounting:Through Hole, No. of Pins:3Pins, Product Range:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 1000 Container: Bulk	4
BD678 D# 12P4832	SPC Multicomp	Bipolar (BJT) Single Transistor, Darlington, PNP, 60 V, 40 W, 4 A, 750 RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	2000
BD678A D# 51AC8900	STMicroelectronics	TRANS, PNP, -60V, -4A, 150DEG C, 40W, Transistor Polarity:PNP, Collector Emitter Voltage V(br)ceo:-60V, DC Collector Current:-4A, Power Dissipation Pd:40W, Transistor Mounting:Through Hole, No. of Pins:3Pins, Product Range:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	303
BD678G D# 41K9621	ON Semiconductor	Bipolar (BJT) Single Transistor, Darlington, PNP, 60 V, 200 MHz, 40 W, 4 A, 750 RoHS Compliant: Yes RoHS: Compliant Min Qty: 1000 Container: Bulk	0

Part Number	Manufacturer	Description	Stock
BD678AS D# NS-BD678AS	Fairchild Semiconductor Corporation	OEM/CM ONLY	2016
BD678G D# NS-BD678G	ON Semiconductor	OEM/CM ONLY	5953
BD678AG D# NS-BD678AG	ON Semiconductor	OEM/CM ONLY	7352
BD678A D# NS-BD678A	STMicroelectronics	OEM/CM ONLY	1998
BD678 D# NS-BD678	STMicroelectronics	OEM/CM ONLY	3857

Part Number

Manufacturer

Description

Stock

MKDS 5/ 3-6 35 BD:6 7 8

Phoenix Contact

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

BD678

STMicroelectronics

Part Number Only

BD678A

Motorola Semiconductor Products

Bipolar Junction Transistor, Darlington, PNP Type, TO-126

7100

Part Number	Manufacturer	Description	Stock
BD678A D# 4859991	STMicroelectronics	STMicroelectronics BD678A PNP Darlington Pair, 4 A 60 V HFE:750, 3-Pin SOT-32, PK Min Qty: 5 Container: Package	180
BD678AG D# 5452333	ON Semiconductor	ON Semi BD678AG PNP Darlington Pair, 4 A 60 V HFE:750, 3-Pin TO-225, PK Min Qty: 5 Container: Package	150
BD678G D# 1867358	ON Semiconductor	ON Semi BD678G PNP Digital Transistor, 60 V dc, 3-Pin TO-225, BX Min Qty: 500 Container: Box	350

Part Number

Manufacturer

Description

Stock

BD678AG

ON Semiconductor

Power Bipolar Transistor, 4A, 60V, PNP, TO-225AA, Plastic/Epoxy, 3 Pin

RoHS: Compliant

19000

BD678AS

ON Semiconductor

4A, 60V, PNP, Si, POWER TRANSISTOR, TO-126

RoHS: Compliant

1698

Part Number	Manufacturer	Description	Stock
BD678 STM	STMicroelectronics	OEM/CM ONLY	136
BD678AG	ON Semiconductor	OEM/CM ONLY	310
BD678 ALIAS 9332 530 90 127	Philips Semiconductors	OEM/CM ONLY	166
BD678A	STMicroelectronics	OEM/CM ONLY	74777
BD678AS	Fairchild Semiconductor Corporation	OEM/CM ONLY	69
BD678G	ON Semiconductor	OEM/CM ONLY	16500
BD678N	NXP Semiconductors	OEM/CM ONLY	416
BD678	STMicroelectronics	OEM/CM ONLY	72097

Part Number	Manufacturer	Description	Stock
BD67891MUV-E2	ROHM Semiconductor	IN stock Immediate delivery	28
BD678	STMicroelectronics	IN stock Immediate delivery	556383
BD6780EFV-E2	ROHM Semiconductor	IN stock Immediate delivery	2015

Part Number	Manufacturer	Description	Stock
BD678A	STMicroelectronics	shipping today	21
BD678	STMicroelectronics	shipping today	3321
BD6780EFV-E2	ROHM Semiconductor	shipping today	1996

Part Number	Manufacturer	Description	Stock
BD678G D# 25863341	ON Semiconductor	Trans Darlington PNP 60V 4A 40000mW 3-Pin(3+Tab) TO-225 Box RoHS: Compliant	0
BD678 D# 41525151	SPC Multicomp	Trans Darlington PNP 60V 4A 1250mW 3-Pin(3+Tab) TO-126	0
BD678A D# 26605498	STMicroelectronics	Trans Darlington PNP 60V 4A 40000mW 3-Pin(3+Tab) SOT-32 Tube	0

Part Number

Manufacturer

Description

Stock

BD678AG

ON Semiconductor

RFQ

3519

BD678AS

mfr

RFQ

8486

Part Number

Manufacturer

Description

Stock

BD678

STMicroelectronics

TRANS PNP DARL 60V 4A SOT-32

3325

Part Number	Manufacturer	Description	Stock
BD678G D# 9557679	ON Semiconductor	RoHS: Compliant Min Qty: 1 Container: Each	0
BD678 D# 1574361	SPC Multicomp	DARLINGTON TRANSISTOR, TO-126 RoHS: Compliant Min Qty: 5 Container: Each	5863
TBD678 D# 9207350	SPC Multicomp	RoHS: Compliant Min Qty: 1 Container: Each	0
BD678AG D# 2630285	ON Semiconductor	TRANS, DARLINGTON, NPN, -60V, TO-225 RoHS: Compliant Min Qty: 1 Container: Each	1000
BD678A D# 2849625	STMicroelectronics	TRANSISTOR, PNP, -60V, -4A, SOT-32-3 RoHS: Compliant Min Qty: 5 Container: Each	147

Quick Inquiry

BD678

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS