Name: BD681
Brand: STMicroelectronics
SKU: BD681_235
Availability: InStock
Rating: 5 (162 reviews)

BD681

For Reference Only

Part Number	BD681
Manufacturer	STMicroelectronics
Description	TRANS NPN DARL 100V 4A SOT-32
Datasheet	BD681 Datasheet BD681 Specifications
Package	TO-225AA, TO-126-3
ECAD
In Stock	7,253,580 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 28 - May 3 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # BD681 (Transistors - Bipolar (BJT) - Single) is manufactured by STMicroelectronics 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 BD681 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add BD681 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of BD681.

BD681 Specifications

Manufacturer	STMicroelectronics
Category	Discrete Semiconductor Products - Transistors - Bipolar (BJT) - Single
Package	TO-225AA, TO-126-3
ECAD
Series	-
Transistor Type	NPN - Darlington
Current - Collector (Ic) (Max)	4A
Voltage - Collector Emitter Breakdown (Max)	100V
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	150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-225AA, TO-126-3
Supplier Device Package	SOT-32-3

BD681 Datasheet

BD681 Reviews

Alys*****aidu

March 7, 2023

★ ★ ★ ★ ★

I always enjoy shopping with Heisener, never makes a mistake, most reliable, and no long waiting for deliveries.

Omar*****ttle

February 25, 2023

★ ★ ★ ★ ★

Good and works well. What else is there to say about it.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

BD681 Packaging

BD681 FAQ

1. How to order BD681 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 BD681 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the BD681. All suppliers must pass our qualification reviews before they can publish their products including BD681 on Heisener; we pay more attention to the channels and quality of BD681 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the BD681 price and inventory displayed accurate?

The price and inventory of BD681 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 BD681?

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 BD681 we delivered, we will accept the replacement or return of the BD681 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 BD681.

(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 BD681 pin diagram, BD681 datasheet?

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

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BD681 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

BD681G

D# V36:1790_07296163

ON Semiconductor

Trans Darlington NPN 100V 4A 40000mW 3-Pin(3+Tab) TO-225 Box

RoHS: Compliant

BD681

D# E02:0323_00206505

STMicroelectronics

Trans Darlington NPN 100V 4A 40000mW 3-Pin(3+Tab) SOT-32 Tube

Part Number	Manufacturer	Description	Stock
ERJ-3RBD6812V D# ERJ-3RBD6812V	Panasonic Electronic Components	- Tape and Reel (Alt: ERJ-3RBD6812V) RoHS: Compliant	0
RNF14FBD681R D# RNF14FBD681R	SEI Stackpole Electronics Inc	Res Metal Film 681 Ohm 1% 1/4W ±100ppm/°C Conformal AXL Thru-Hole Bulk - Bulk (Alt: RNF14FBD681R) RoHS: Compliant	0
RNMF12FBD681R D# RNMF12FBD681R	SEI Stackpole Electronics Inc	Res Metal Film 681 Ohm 1% 1/2W ±100ppm/°C Conformal AXL Thru-Hole Bulk - Bulk (Alt: RNMF12FBD681R) RoHS: Compliant	0
RNF18FBD681K D# RNF18FBD681K	SEI Stackpole Electronics Inc	Res Metal Film 681K Ohm 1% 1/8W ±100ppm/°C Conformal AXL Thru-Hole Bulk - Bulk (Alt: RNF18FBD681K) RoHS: Compliant	0
BD681G D# BD681G	ON Semiconductor	Trans Darlington NPN 100V 4A 3-Pin(3+Tab) TO-225 Box - Bulk (Alt: BD681G)	0
RNF14FBD681K D# RNF14FBD681K	SEI Stackpole Electronics Inc	Res Metal Film 681K Ohm 1% 1/4W ±100ppm/°C Conformal AXL Thru-Hole Bulk - Bulk (Alt: RNF14FBD681K) RoHS: Compliant	0
BD681S D# BD681S	ON Semiconductor	Trans Darlington NPN 100V 4A 3-Pin(3+Tab) TO-126 Bulk - Bulk (Alt: BD681S) RoHS: Compliant	0
ERJ-3RBD6810V D# ERJ-3RBD6810V	Panasonic Electronic Components	- Tape and Reel (Alt: ERJ-3RBD6810V) RoHS: Compliant	0
ERJ-6RBD6811V D# ERJ-6RBD6811V	Panasonic Electronic Components	- Tape and Reel (Alt: ERJ-6RBD6811V) RoHS: Compliant	0
BD681STU D# BD681STU	ON Semiconductor	Trans Darlington NPN 100V 4A 3-Pin(3+Tab) TO-126 Rail - Bulk (Alt: BD681STU) RoHS: Compliant	0
BD681 D# BD681	STMicroelectronics	Trans Darlington NPN 100V 4A 3-Pin(3+Tab) SOT-32 Tube - Rail/Tube (Alt: BD681) RoHS: Compliant	0
ERJ-3RBD6811V D# ERJ-3RBD6811V	Panasonic Electronic Components	- Tape and Reel (Alt: ERJ-3RBD6811V) RoHS: Compliant	0
ERJ-6RBD6810V D# ERJ-6RBD6810V	Panasonic Electronic Components	- Tape and Reel (Alt: ERJ-6RBD6810V) RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

BD681

D# BD681

STMicroelectronics

Trans Darlington NPN 100V 4A 3-Pin(3+Tab) SOT-32 Tube (Alt: BD681)

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
ERJ-6RBD6812V D# ERJ6RBD6812V	Panasonic Electronic Components	Precision Thick Film Chip Resistor 0805 0.5% 68.1KOhm T/R (Alt: ERJ6RBD6812V)	0
BD681G D# BD681G	ON Semiconductor	Trans Darlington NPN 100V 4A 3-Pin(3+Tab) TO-225 Box (Alt: BD681G)	0
BD681 D# BD681	STMicroelectronics	Trans Darlington NPN 100V 4A 3-Pin(3+Tab) SOT-32 Tube (Alt: BD681)	0
BD681S D# BD681S	ON Semiconductor	Trans Darlington NPN 100V 4A 3-Pin(3+Tab) TO-126 Bulk (Alt: BD681S)	0

Part Number

Manufacturer

Description

Stock

BD681

D# 14S6950

STMicroelectronics

Trans Darlington NPN 100V 4A 4

Part Number	Manufacturer	Description	Stock
BD681S	STMicroelectronics	Transistor: NPN, Darlington, 100V, 4A, 40W, SOT32	85
BD681STU	Fairchild Semiconductor Corporation	Transistor: NPN, bipolar, 100V, 4A, 40W, TO126	54
BD681G	ON Semiconductor	BIP C77 NPN 4A 100V - Boxed Product (Development Kits)	0
BD681	Panasonic Electronic Components	THICK FILM CHIP RESISTOR, 0603, LOW OHMI / 0.5%, 681OHM, 50PPM	0

Part Number

Manufacturer

Description

Stock

BD681G

D# C1S541900102738

ON Semiconductor

Trans Darlington NPN 100V 4A 40000mW 3-Pin(3+Tab) TO-225 Box

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Bulk

257

RKC8BD681J

D# C1S413110720447

KOA Speer Electronics Inc

Through Hole Resistor

pbFree: Yes

Min Qty: 5

Container: Cut Tape

208

Part Number

Manufacturer

Description

Stock

BD681

STMicroelectronics

SOT-32 Darlington Transistors RoHS

2089

BD681G

ON Semiconductor

NPN - Darlington 4A 100V 40W TO-225 Darlington Transistors RoHS

Part Number

Manufacturer

Description

Stock

BD681

STMicroelectronics

Power Bipolar Transistor, 4A I(C), 100V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
ERJ-3RBD6811V D# ERJ-3RBD6811V-ND	Panasonic Electronic Components	RES 6.81K OHM 0.5% 1/10W 0603	0
ERJ-6RBD6810V D# ERJ-6RBD6810V-ND	Panasonic Electronic Components	RES 681 OHM 0.5% 1/10W 0805	0
BD681G D# BD681GOS-ND	ON Semiconductor	TRANS NPN DARL 100V 4A TO225AA	3
ERJ-6RBD6812V D# ERJ-6RBD6812V-ND	Panasonic Electronic Components	RES 68.1K OHM 0.5% 1/10W 0805	0
BD681STU D# 2156-BD681STU-ND	Rochester Electronics LLC	POWER BIPOLAR TRANSISTOR	0
ERJ-3RBD6812V D# ERJ-3RBD6812V-ND	Panasonic Electronic Components	RES 68.1K OHM 0.5% 1/10W 0603	0
BD681 D# 497-7177-5-ND	STMicroelectronics	TRANS NPN DARL 100V 4A SOT-32	5959
BD681STU-ON D# 2156-BD681STU-ON-ND	Rochester Electronics LLC	POWER BIPOLAR TRANSISTOR	972940
ERJ-6RBD6811V D# ERJ-6RBD6811V-ND	Panasonic Electronic Components	RES 6.81K OHM 0.5% 1/10W 0805	0
BD681S D# 2156-BD681S-ND	Rochester Electronics LLC	POWER BIPOLAR TRANSISTOR	5402

Part Number	Manufacturer	Description	Stock
BD681STU	ON Semiconductor	In stock shipping within 2days	4760
BD681G	ON Semiconductor	In stock shipping within 2days	15260
BD6818FS	ROHM Semiconductor	In stock shipping within 2days	124
BD681	STMicroelectronics	In stock shipping within 2days	32755
BD6813FS	ROHM Semiconductor	In stock shipping within 2days	129

Part Number	Manufacturer	Description	Stock
ERJ3RBD6812V D# 3304777	Panasonic Electronic Components	RES, 68K1, 0.5%, 0.1W, 0603, THICK FILM RoHS: Compliant Min Qty: 50000 Container: Reel	0
ERJ3RBD6810V D# 3304775	Panasonic Electronic Components	RES, 681R, 0.5%, 0.1W, 0603, THICK FILM RoHS: Compliant Min Qty: 50000 Container: Reel	0
BD681 D# 3129873	STMicroelectronics	TRANSISTOR, NPN, 100V, 4A, SOT32 RoHS: Compliant Min Qty: 5 Container: Each	5020
BD681G. D# 9557709	ON Semiconductor	DARLINGTON TRANSISTOR, TO-225AA RoHS: Compliant Min Qty: 1 Container: Each	1232
ERJ3RBD6811V D# 3304776	Panasonic Electronic Components	RES, 6K81, 0.5%, 0.1W, 0603, THICK FILM RoHS: Compliant Min Qty: 50000 Container: Reel	0
ERJ6RBD6810V D# 3305348	Panasonic Electronic Components	RES, 681R, 0.5%, 0.1W, 0805, THICK FILM RoHS: Compliant Min Qty: 5000 Container: Reel	0
BD681S D# 2453338	ON Semiconductor	TRANSISTOR, BIPOL, NPN, 100V, TO-126-3 RoHS: Compliant Min Qty: 1 Container: Each	0
ERJ6RBD6811V D# 3305349	Panasonic Electronic Components	RES, 6K81, 0.5%, 0.1W, 0805, THICK FILM RoHS: Compliant Min Qty: 5000 Container: Reel	0
BD681G D# 3615308	ON Semiconductor	TRANS, NPN, 100V, 4A, 150DEG C, 40W RoHS: Compliant Min Qty: 1000 Container: Pack	0
BD681STU D# 2453829	ON Semiconductor	TRANSISTOR, BIPOL, NPN, 100V, TO-225AA-3 RoHS: Compliant Min Qty: 1 Container: Each	0
ERJ6RBD6812V D# 3305350	Panasonic Electronic Components	RES, 68K1, 0.5%, 0.1W, 0805, THICK FILM RoHS: Compliant Min Qty: 5000 Container: Reel	0

Part Number

Manufacturer

Description

Stock

BD681G

NEW AND ORGINAL. ISRAEL W.HOUSE

197

Part Number

Manufacturer

Description

Stock

BD681

STMicroelectronics

BD6xxx Series PNP 80 V 4 A Complementary Power Darlington Transistor - SOT-32

RoHS: Compliant

pbFree: Yes

BD681G

ON Semiconductor

BD Series 100 V 4 A Medium Power Silicon NPN Darlington Transistor - TO-225AA

RoHS: Compliant

pbFree: Yes

Part Number	Manufacturer	Description	Stock
ERJ6RBD6812V	Panasonic Electronic Components	OEM/CM QUOTES ONLY \| NO BROKERS	17250
BD681	Inchange Semiconductor Company Ltd	OEM/CM QUOTES ONLY \| NO BROKERS	51750
BD681MAR	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	403
BD681STUON	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	19872
Z60BD681	New Jersey Semiconductor Products Inc	OEM/CM QUOTES ONLY \| NO BROKERS	126
BD681S		OEM/CM QUOTES ONLY \| NO BROKERS	5750
Z80BD681	New Jersey Semiconductor Products Inc	OEM/CM QUOTES ONLY \| NO BROKERS	281
BD681N	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	288
CU13BD681UN1	Vishay Sprague	OEM/CM QUOTES ONLY \| NO BROKERS	5
RKC4BD681J	KOA Speer Electronics Inc	OEM/CM QUOTES ONLY \| NO BROKERS	85
BD681STU	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	2208
RNF14FBD681R	"SEI Stackpole Electronics"	OEM/CM QUOTES ONLY \| NO BROKERS	720
BD681G	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	34500
CUR13BD681SPP	Vishay Sprague Inc	OEM/CM QUOTES ONLY \| NO BROKERS	40
Z40BD681	New Jersey Semiconductor Products Inc	OEM/CM QUOTES ONLY \| NO BROKERS	158

Part Number

Manufacturer

Description

Stock

BD681

ON Semiconductor

392

Part Number

Manufacturer

Description

Stock

BD681

D# C703688

STMicroelectronics

2039

BD681G

D# C38376

ON Semiconductor

Part Number

Manufacturer

Description

Stock

BD681

STMicroelectronics

in stock - can ship the same day

100

Part Number	Manufacturer	Description	Stock
BD681G	ON Semiconductor	OEM/CM Immediate delivery	33807
ERJ3RBD6810V	N/A	OEM/CM Immediate delivery	25000
BD681S	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	45406
BD681STU	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	15254
BD681	STMicroelectronics	OEM/CM Immediate delivery	556398

Part Number

Manufacturer

Description

Stock

BD681G

D# 863-BD681G

ON Semiconductor

Darlington Transistors 4A 100V Bipolar Power NPN

RoHS: Compliant

292

BD681

D# 511-BD681

STMicroelectronics

Darlington Transistors NPN Power Darlington

RoHS: Compliant

8875

Part Number	Manufacturer	Description	Stock
RNF18FBD681R	SEI Stackpole Electronics Inc	RESISTOR, METAL FILM, 1/8W, 681 ohm, 1%, 100 ppm - Metal Film Resistor - Standard RoHS: Compliant	0
RNF14FBD681R	SEI Stackpole Electronics Inc	RESISTOR, METAL FILM, 1/4W, 681 ohm, 1%, 100 ppm - Metal Film Resistor - Standard RoHS: Compliant	0
RNF18FBD681K	SEI Stackpole Electronics Inc	RESISTOR, METAL FILM, 1/8W, 681 Kohm, 1%, 100 ppm - Metal Film Resistor - Standard RoHS: Compliant	0
RNF14FBD681K	SEI Stackpole Electronics Inc	RESISTOR, METAL FILM, 1/4W, 681 Kohm, 1%, 100 ppm - Metal Film Resistor - Standard RoHS: Compliant	0
RNMF12FBD681R	SEI Stackpole Electronics Inc	RESISTOR, METAL FILM, 1/2W, 681 ohm, 1%, 100 ppm - Mini Metal Film Resistor RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
RNF18FBD681R D# SEI000000050395	SEI Stackpole Electronics Inc	RESISTOR, METAL FILM, 1/8W, 681 ohm, 1%, 100 ppm - Metal Film Resistor - Standard	0
BD681G D# XSFP00000072522	ON SEMICONDUCTOR	BD Series 100 V 4 A Medium Power Silicon NPN Darlington Transistor - TO-225AA	6500
BD681STU D# XSKDRABS0003110	ON SEMICONDUCTOR	TO-126 3LNPN/ 100V / 4A TO-126	1008
RNF14FBD681R D# SEI000000052538	SEI Stackpole Electronics Inc	RESISTOR, METAL FILM, 1/4W, 681 ohm, 1%, 100 ppm - Metal Film Resistor - Standard	0
BD681 D# XSFR00000011940	STMicroelectronics	BD6xxx Series PNP 80 V 4 A Complementary Power Darlington Transistor - SOT-32	27600
RNMF12FBD681R D# SEI000000056953	SEI Stackpole Electronics Inc	RESISTOR, METAL FILM, 1/2W, 681 ohm, 1%, 100 ppm - Mini Metal Film Resistor	0
RNF18FBD681K D# SEI000000050619	SEI Stackpole Electronics Inc	RESISTOR, METAL FILM, 1/8W, 681 Kohm, 1%, 100 ppm - Metal Film Resistor - Standard	0
RNF14FBD681K D# SEI000000052849	SEI Stackpole Electronics Inc	RESISTOR, METAL FILM, 1/4W, 681 Kohm, 1%, 100 ppm - Metal Film Resistor - Standard	0

Part Number	Manufacturer	Description	Stock
ERJ-6RBD6812V D# 79AC6771	Panasonic Electronic Components	THICK FILM CHIP RESISTOR ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 5000 Container: Bulk	0
BD681G. D# 27AC0886	ON Semiconductor	DARLINGTON TRANSISTOR, NPN, 100V, TO-225, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:100V, 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: 2500 Container: Bulk	0
A521BD681M100A D# 78M9810	KEMET Corporation	680UF VV RoHS: Not Compliant Min Qty: 240 Container: Bulk	0
ERJ-3RBD6812V D# 79AC6256	Panasonic Electronic Components	THICK FILM CHIP RESISTOR ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 5000 Container: Bulk	0
F448BD681J2K0L D# 67R6068	KEMET Corporation	680PF VDC 5V RoHS: Not Compliant Min Qty: 600 Container: Bulk	0
A511BD681M100A D# 78M9777	KEMET Corporation	680.PF 100V RoHS: Not Compliant Min Qty: 100 Container: Bulk	0
BD681G D# 26K3524	ON Semiconductor	DARLINGTON TRANSISTOR, NPN, 100V, TO-225, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:100V, 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	990
ERJ-3RBD6810V D# 51W9668	Panasonic Electronic Components	Thick Film Chip Resistor, 0603, Low ohmi RoHS Compliant: Yes RoHS: Compliant Min Qty: 25000 Container: Bulk	0
ERJ-6RBD6811V D# 79AC6770	Panasonic Electronic Components	THICK FILM CHIP RESISTOR ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 5000 Container: Bulk	0
F448BD681J2K0C D# 14N6863	KEMET Corporation	680PF VDC 5V RoHS: Not Compliant Min Qty: 1000 Container: Bulk	0
BD681 D# 64AH2630	STMicroelectronics	TRANSISTOR, NPN, 100V, 4A, SOT32, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:100V, Transition Frequency ft:-, Power Dissipation Pd:40W, DC Collector Current:4A, DC Current Gain hFE:750hFE, Transistor Case RoHS Compliant: Yes RoHS: Compliant Min Qty: 5 Container: Bulk	4195
ERJ-3RBD6811V D# 79AC6255	Panasonic Electronic Components	THICK FILM CHIP RESISTOR ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 5000 Container: Bulk	0
ERJ-6RBD6810V D# 79AC6769	Panasonic Electronic Components	THICK FILM CHIP RESISTOR ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 5000 Container: Bulk	0

Part Number	Manufacturer	Description	Stock
BD681 D# NS-BD681	ON Semiconductor	OEM/CM ONLY	6957
BD681G D# NS-BD681G	ON Semiconductor	OEM/CM ONLY	5647
BD681S D# NS-BD681S	Fairchild Semiconductor Corporation	OEM/CM ONLY	1480
BD681STU D# NS-BD681STU	Fairchild Semiconductor Corporation	OEM/CM ONLY	10018

Part Number

Manufacturer

Description

Stock

BD681

Motorola Semiconductor Products

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

510

BD681G

ON Semiconductor

267

Part Number

Manufacturer

Description

Stock

BD681G

D# 0463010P

ON Semiconductor

ON Semi BD681G NPN Darlington Pair, 4 A 100 V HFE:750, 3-Pin TO-225, BG of 10

Min Qty: 10

Container: Bag

BD681

D# 1024093

STMicroelectronics

STMicroelectronics BD681 NPN Darlington Pair, 4 A 100 V HFE:750, 3-Pin SOT-32, TU

Min Qty: 50

Container: Tube

17550

Part Number	Manufacturer	Description	Stock
BD681STU	ON Semiconductor	Power Bipolar Transistor, 4A, 100V, NPN, TO-126, Plastic/Epoxy, 3 Pin RoHS: Compliant	972940
BD681S	Fairchild Semiconductor Corporation	Power Bipolar Transistor, 4A, 100V, NPN, TO-126, Plastic/Epoxy, 3 Pin RoHS: Compliant	5402
BD681G	ON Semiconductor	Power Bipolar Transistor, 4A, 100V, NPN, TO-225AA, Plastic/Epoxy, 3 Pin RoHS: Compliant	57484

Part Number

Manufacturer

Description

Stock

BD681

D# TDSTD7114

STMicroelectronics

NPN DARLINGTON 100V 4A40W SOT32

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
Z40BD681	New Jersey Semiconductor Products Inc	OEM/CM ONLY	219
BD681MAR	STMicroelectronics	OEM/CM ONLY	516
Z60BD681	New Jersey Semiconductor Products Inc	OEM/CM ONLY	212
Z80BD681	New Jersey Semiconductor Products Inc	OEM/CM ONLY	326
ERJ3RBD6810V	Panasonic Electronic Components	OEM/CM ONLY	35011
BD681N	STMicroelectronics	OEM/CM ONLY	466
RNF12FBD681R	SEI Stackpole Electronics Inc	OEM/CM ONLY	495
BD681	STMicroelectronics	OEM/CM ONLY	56279
RNF14FBD681R	SEI Stackpole Electronics Inc	OEM/CM ONLY	695
BD681S	Fairchild Semiconductor Corporation	OEM/CM ONLY	1916
RKC4BD681J	KOA Speer Electronics Inc	OEM/CM ONLY	87
BD681G	ON Semiconductor	OEM/CM ONLY	13267
CUR13BD681SPP	Vishay Sprague	OEM/CM ONLY	51
BD681STU	Fairchild Semiconductor Corporation	OEM/CM ONLY	1276
3BD681	STMicroelectronics	OEM/CM ONLY	27310

Part Number	Manufacturer	Description	Stock
ERJ3RBD6810V	N/A	IN stock Immediate delivery	24985
BD681S	Fairchild Semiconductor Corporation	IN stock Immediate delivery	45391
BD681STU	Fairchild Semiconductor Corporation	IN stock Immediate delivery	15269
BD681	STMicroelectronics	IN stock Immediate delivery	556383
BD681G	ON Semiconductor	IN stock Immediate delivery	33792

Part Number

Manufacturer

Description

Stock

ERJ-3RBD6810V

Panasonic Electronic Components

Thick Film Resistors - SMD 681 OHM .5%

pbFree: Pb-Free

Part Number

Manufacturer

Description

Stock

BD681

D# 2028023974

Motorola Semiconductor Products

BD681 MOTOROLA NPN Power Darlington Transistor

1049

Part Number

Manufacturer

Description

Stock

BD681

ON Semiconductor

shipping today

19796

BD681G

ON Semiconductor

shipping today

Part Number

Manufacturer

Description

Stock

BD681G

D# 40652476

ON Semiconductor

Trans Darlington NPN 100V 4A 40000mW 3-Pin(3+Tab) TO-225 Box

RoHS: Compliant

BD681

D# 48402238

STMicroelectronics

Trans Darlington NPN 100V 4A 40000mW 3-Pin(3+Tab) SOT-32 Tube

Part Number	Manufacturer	Description	Stock
BD681GOS	ON Semiconductor	RFQ	13066
BD681G	ON Semiconductor	RFQ	2408
BD681STU	Fairchild Semiconductor Corporation	RFQ	9688

Part Number

Manufacturer

Description

Stock

BD681G

ON Semiconductor

TRANS NPN DARL 100V 4A TO225AA

4600

BD681

STMicroelectronics

TRANS NPN DARL 100V 4A SOT-32

8950

Part Number	Manufacturer	Description	Stock
BD681 D# 1574365	SPC Multicomp	DARLINGTON TRANSISTOR, TO-126 RoHS: Compliant Min Qty: 1 Container: Each	1389
BD681G. D# 9557709	ON Semiconductor	DARLINGTON TRANSISTOR, TO-225AA RoHS: Compliant Min Qty: 1 Container: Each	1114
BD681S D# 2453338	ON Semiconductor	TRANSISTOR, BIPOL, NPN, 100V, TO-126-3 RoHS: Compliant Min Qty: 1 Container: Each	0
BD681STU D# 2453829	ON Semiconductor	TRANSISTOR, BIPOL, NPN, 100V, TO-225AA-3 RoHS: Compliant Min Qty: 1 Container: Each	0

Quick Inquiry

BD681

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