BD136-16-BP Equivalent & Substitute Parts

Part Overview

The BD136-16-BP is a PNP bipolar junction transistor manufactured by Micro Commercial Co, rated for 45 V collector-emitter breakdown voltage and 1.5 A maximum collector current in a TO-126 through-hole package. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design requirements and production continuity.

Key Parameters

Parameter	Value
Transistor Type	PNP
Voltage - Collector Emitter Breakdown (Max)	45 V
Current - Collector (Ic) (Max)	1.5 A
Power - Max	1.25 W
Vce Saturation (Max) @ Ib, Ic	500mV @ 50mA, 500mA
Current - Collector Cutoff (Max)	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 150mA, 2V
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-225AA, TO-126-3

Substitute Part Grouping Explanation

Substitution of the BD136-16-BP is determined by electrical and mechanical parameter compatibility. The primary substitution criteria are:

Critical Parameters for Direct Substitution:

Transistor Type: PNP
Voltage - Collector Emitter Breakdown (Max): 45 V minimum
Current - Collector (Ic) (Max): 1.5 A minimum
Power - Max: 1.25 W minimum
Vce Saturation: 500mV @ 50mA, 500mA
Current - Collector Cutoff (Max): 100nA (ICBO)
Mounting Type: Through Hole
Package / Case: TO-126 or TO-126-3

Substitution Categories:

Direct Equivalents (45 V Rating): Parts meeting all electrical specifications at the 45 V rating level with identical saturation characteristics and current gain parameters.

Functional Equivalents (60 V Rating): Parts with elevated voltage ratings (60 V) that maintain all other electrical specifications. These parts operate within the BD136-16-BP application envelope while providing additional voltage margin.

Parameter Comparison

Part Number	Manufacturer	Product Status	Ic (Max)	Vce Breakdown (Max)	Power (Max)	hFE (Min) @ 150mA, 2V	Package	Operating Temp
BD136-16-BP	Micro Commercial Co	Obsolete	1.5 A	45 V	1.25 W	100	TO-126	-55°C ~ 150°C
BD13616STU	Fairchild Semiconductor	Active	1.5 A	45 V	1.25 W	100	TO-126-3	-55°C ~ 150°C
BD13616S	Fairchild Semiconductor	Active	1.5 A	45 V	1.25 W	100	TO-126-3	-55°C ~ 150°C
BD136G	onsemi	Active	1.5 A	45 V	1.25 W	40	TO-126	-55°C ~ 150°C
BD13810STU	Fairchild Semiconductor	Active	1.5 A	60 V	1.25 W	63	TO-126-3	-55°C ~ 150°C
BD13816STU	onsemi	Last Time Buy	1.5 A	60 V	1.25 W	100	TO-126-3	-55°C ~ 150°C

Engineering Selection Recommendations

Direct Equivalents (Recommended for Pin-Compatible Replacement):

BD13616STU and BD13616S are direct electrical equivalents with identical 45 V voltage rating, 1.5 A current rating, and 100 minimum hFE specification. Both are manufactured by Fairchild Semiconductor and carry Active product status. BD13616STU is supplied in bulk packaging with 17,385 units in stock. BD13616S is supplied in bulk packaging with 2,100 units in stock. Both parts are ROHS3 compliant and suitable for direct substitution in applications requiring the original 45 V specification.

Primary Alternative (Identical Voltage Rating, Different Manufacturer):

BD136G is manufactured by onsemi with Active product status and carries ROHS3 compliance. This part maintains the 45 V voltage rating and 1.5 A current specification in the original TO-126 package. The DC current gain specification is 40 minimum at 150mA, 2V, which is lower than the original 100 minimum specification. This part is suitable for applications where the lower gain specification does not impact circuit performance. 16,536 units are in stock.

Functional Equivalents (Elevated Voltage Rating):

BD13810STU and BD13816STU provide 60 V voltage rating while maintaining 1.5 A current and 1.25 W power specifications. BD13810STU is manufactured by Fairchild Semiconductor with Active status and 22,729 units in stock. BD13816STU is manufactured by onsemi with Last Time Buy status and 1,247 units in stock. These parts are suitable for applications where the original 45 V specification can accommodate the higher 60 V rating without circuit modification. Both parts are ROHS3 compliant.

Frequently Asked Questions (FAQ)

Q: Can BD13616STU directly replace BD136-16-BP?

A: Yes. BD13616STU meets all electrical specifications of the BD136-16-BP, including 45 V voltage rating, 1.5 A current rating, 1.25 W power dissipation, and 100 minimum hFE. The TO-126-3 package is mechanically compatible with TO-126 applications. Both parts are ROHS3 compliant.

Q: What is the difference between BD13616STU and BD13616S?

A: Both parts are manufactured by Fairchild Semiconductor and are electrically identical with 45 V rating and 100 minimum hFE. The primary difference is inventory availability: BD13616STU has 17,385 units in stock, while BD13616S has 2,100 units in stock.

Q: Why does BD136G have a lower hFE specification?

A: BD136G is manufactured by onsemi and specifies 40 minimum hFE at 150mA, 2V, compared to 100 minimum for the original part. This reflects different manufacturing process parameters between manufacturers. Circuit performance depends on application requirements; designs with gain-dependent biasing may require evaluation.

Q: Can I use BD13810STU or BD13816STU as replacements?

A: These parts have 60 V voltage rating compared to the original 45 V specification. They are suitable for applications where the circuit operates below 45 V and can accommodate the higher voltage rating. No circuit modification is required for voltage compatibility. BD13816STU carries Last Time Buy status, indicating limited future availability.

Q: Are all substitute parts RoHS compliant?

A: BD13616STU, BD13616S, BD136G, BD13810STU, and BD13816STU are all ROHS3 compliant, matching the compliance status of the original BD136-16-BP.

Q: What is the difference between TO-126 and TO-126-3 packages?

A: Both packages are through-hole mounted with identical pin configurations and mechanical compatibility. TO-126-3 is the current industry standard designation. Parts specified in either package are mechanically interchangeable in through-hole applications.

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