BC807-25 Equivalent & Substitute Parts

Part Overview

The BC807-25 is a PNP bipolar junction transistor (BJT) manufactured by Diotec Semiconductor in SOT-23 surface mount packaging. This device operates at 45V collector-emitter breakdown voltage with a maximum collector current of 800 mA and 310 mW power dissipation. The BC807-25 is classified as an active product and serves in general-purpose switching and amplification applications requiring PNP transistor functionality in compact surface mount form factors.

Substitute parts become necessary when the primary manufacturer part is unavailable, when alternative packaging formats are required, or when sourcing from multiple qualified manufacturers is required for supply chain resilience. The following equivalent and substitute parts maintain electrical compatibility within specified parameter ranges while accommodating different manufacturer specifications and packaging options.

Key Parameters

Parameter	BC807-25 (Main Part)	Unit
Transistor Type	PNP	—
Voltage - Collector Emitter Breakdown (Max)	45	V
Current - Collector (Ic) (Max)	800	mA
Power - Max	310	mW
Frequency - Transition	100	MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	160 @ 100mA, 1V	—
Vce Saturation (Max) @ Ib, Ic	700mV @ 50mA, 500mA	—
Current - Collector Cutoff (Max)	100	nA
Operating Temperature Range	-55 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	SOT-23-3 (TO-236)	—

Substitute Part Grouping Explanation

Substitution of the BC807-25 is determined by the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

Transistor type must be PNP
Collector-emitter breakdown voltage must be ≥45V
Maximum collector current must be ≥800mA (or ≥500mA for reduced-current applications)
Power dissipation must support the application requirements
DC current gain (hFE) must meet or exceed minimum specifications
Transition frequency must support the operating frequency requirements
Saturation voltage characteristics must be compatible with circuit design

Mechanical Compatibility Criteria:

Surface mount packaging in SOT-23-3 (TO-236) or equivalent form factor
Pin configuration must match SOT-23-3 standard (three-pin configuration)
Operating temperature range must encompass application requirements

Substitution Categories:

Direct Substitutes: Parts with identical or superior electrical specifications and equivalent packaging. These include BC807-25-TP, BC807-25LT1G, BC807-25LT3G, BC807-25 RFG, and SBC807-40LT3G. These parts maintain the same voltage rating, similar current ratings, and compatible package specifications.

Similar Substitutes: Parts with comparable electrical performance but with variations in specific parameters such as voltage rating, current capacity, or frequency response. These include 2PB710ASL,235, 50A02CH-TL-E, BC807,215, BC807-16 RFG, and BC807-40 RFG. These parts are suitable when the application does not require the full 800mA current capacity of the BC807-25 or when enhanced performance characteristics are acceptable.

Parameter Comparison

Part Number	Manufacturer	Ic (Max) mA	Vce(br) V	Power mW	Freq MHz	hFE @ Ic, Vce	Package	RoHS
BC807-25	Diotec Semiconductor	800	45	310	100	160 @ 100mA, 1V	SOT-23-3	Not applicable
BC807-25-TP	Micro Commercial Co	500	45	300	100	160 @ 100mA, 1V	SOT-23	ROHS3 Compliant
BC807-25LT1G	onsemi	500	45	300	100	160 @ 100mA, 1V	SOT-23-3	ROHS3 Compliant
BC807-25LT3G	onsemi	500	45	300	100	160 @ 100mA, 1V	SOT-23-3	ROHS3 Compliant
2PB710ASL,235	Nexperia USA Inc.	500	50	250	140	170 @ 150mA, 10V	TO-236AB	ROHS3 Compliant
50A02CH-TL-E	onsemi	500	50	700	690	200 @ 10mA, 2V	3-CPH	ROHS3 Compliant
BC807,215	Nexperia USA Inc.	500	45	250	80	100 @ 100mA, 1V	TO-236AB	ROHS3 Compliant
BC807-16 RFG	Taiwan Semiconductor Corporation	500	45	300	100	100 @ 100mA, 1V	SOT-23	ROHS3 Compliant
BC807-25 RFG	Taiwan Semiconductor Corporation	500	45	300	100	160 @ 100mA, 1V	SOT-23	ROHS3 Compliant
BC807-40 RFG	Taiwan Semiconductor Corporation	500	45	300	100	250 @ 100mA, 1V	SOT-23	ROHS3 Compliant
SBC807-40LT3G	onsemi	500	45	300	100	250 @ 100mA, 1V	SOT-23-3	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitutes for BC807-25:

BC807-25LT1G and BC807-25LT3G (onsemi) are direct substitutes with identical electrical specifications at the 100mA, 1V test point. Both parts are ROHS3 compliant and maintain the SOT-23-3 package format. BC807-25LT3G offers higher inventory availability (305,300 units) compared to BC807-25LT1G (293,400 units). Both are qualified for active production use.

BC807-25-TP (Micro Commercial Co) provides equivalent electrical performance with ROHS3 compliance but uses Tape & Reel packaging and SOT-23 package designation. This part is suitable when packaging format flexibility is acceptable.

BC807-25 RFG (Taiwan Semiconductor Corporation) maintains identical electrical specifications with ROHS3 compliance and Tape & Reel packaging. This part is suitable for applications requiring alternative sourcing from qualified manufacturers.

Similar Substitutes with Reduced Current Rating:

BC807-16 RFG and BC807-40 RFG (Taiwan Semiconductor Corporation) operate at 500mA maximum collector current, representing a 37.5% reduction from the BC807-25 specification. BC807-16 RFG exhibits lower DC current gain (100 vs. 160), while BC807-40 RFG exhibits higher DC current gain (250 vs. 160). Both maintain 45V voltage rating and 100MHz transition frequency. These parts are suitable for applications not requiring the full 800mA current capacity.

SBC807-40LT3G (onsemi) is an automotive-grade part with AEC-Q101 qualification, 500mA current rating, and higher DC current gain (250). This part is suitable for automotive applications requiring enhanced reliability qualification.

Similar Substitutes with Enhanced Voltage Rating:

2PB710ASL,235 (Nexperia USA Inc.) provides 50V collector-emitter breakdown voltage with automotive-grade qualification (AEC-Q101). This part is suitable for applications requiring higher voltage margin or automotive-grade reliability.

50A02CH-TL-E (onsemi) provides 50V voltage rating with significantly enhanced power dissipation (700mW vs. 310mW) and transition frequency (690MHz vs. 100MHz). This part is suitable for high-frequency applications or applications requiring enhanced thermal performance.

BC807,215 (Nexperia USA Inc.) provides automotive-grade qualification (AEC-Q101) with 45V voltage rating but reduced transition frequency (80MHz) and lower DC current gain (100). This part is suitable for automotive applications not requiring high-frequency performance.

Frequently Asked Questions (FAQ)

Q: Can BC807-25LT1G and BC807-25LT3G be used interchangeably with BC807-25?

A: Yes. Both onsemi parts maintain identical electrical specifications at the specified test point (160 hFE @ 100mA, 1V), equivalent 45V voltage rating, and compatible SOT-23-3 packaging. The primary difference is packaging format (Cut Tape vs. Digi-Reel) and inventory source. Both are ROHS3 compliant and active production parts.

Q: What is the significance of the current rating difference between BC807-25 (800mA) and BC807-25-TP (500mA)?

A: The BC807-25 supports maximum collector current of 800mA, while BC807-25-TP is rated for 500mA. For applications operating below 500mA, BC807-25-TP is a suitable substitute. For applications requiring the full 800mA capacity, BC807-25-TP is not appropriate. Circuit design must verify that actual operating current does not exceed the substitute part's rating.

Q: Are automotive-grade parts (SBC807-40LT3G, 2PB710ASL,235, BC807,215) suitable for non-automotive applications?

A: Yes. Automotive-grade parts with AEC-Q101 qualification meet or exceed commercial-grade specifications and are suitable for non-automotive applications. The automotive qualification indicates enhanced reliability testing and qualification standards. These parts are backward-compatible with commercial applications.

Q: What packaging format differences exist among the substitute parts?

A: The BC807-25 is supplied in Cut Tape (CT) & Digi-Reel format. Substitute parts are available in Cut Tape (CT) & Digi-Reel, Tape & Reel (TR), and alternative package designations (SOT-23 vs. SOT-23-3 vs. TO-236AB vs. 3-CPH). All maintain the three-pin surface mount configuration. Packaging format selection depends on assembly equipment compatibility and procurement requirements.

Q: Can 50A02CH-TL-E be used as a substitute despite its different package designation (3-CPH)?

A: 50A02CH-TL-E uses 3-CPH package designation rather than standard SOT-23-3. While both are three-pin surface mount packages, the 3-CPH designation indicates a different physical form factor. Compatibility depends on PCB layout and assembly equipment specifications. Physical package dimensions must be verified before substitution.

Q: What is the significance of DC current gain (hFE) variations among substitute parts?

A: DC current gain varies among parts: BC807-25 (160), BC807-16 RFG (100), BC807-40 RFG (250), and SBC807-40LT3G (250). Higher hFE indicates greater amplification capability and lower base current requirements. Circuit designs must verify that the substitute part's hFE meets amplification requirements. Parts with lower hFE may require increased base drive current; parts with higher hFE may provide improved efficiency.

Q: Are all substitute parts ROHS3 compliant?

A: All substitute parts listed are ROHS3 compliant. The original BC807-25 from Diotec Semiconductor has RoHS status listed as "Not applicable." ROHS3-compliant substitutes are suitable for applications requiring RoHS compliance and represent current manufacturing standards.

Q: What is the difference between BC807-25 RFG and BC807-40 RFG?

A: Both parts are manufactured by Taiwan Semiconductor Corporation with identical voltage (45V), frequency (100MHz), and power (300mW) specifications. The primary difference is DC current gain: BC807-25 RFG provides 160 hFE while BC807-40 RFG provides 250 hFE. Selection depends on circuit amplification requirements and base drive availability.

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