J111_D27Z JFET N-Channel Equivalent & Substitute Parts

Part Overview

The J111_D27Z is an N-Channel JFET transistor manufactured by onsemi, rated for 35 V breakdown voltage with 625 mW power dissipation in a TO-92-3 through-hole package. This device is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and component procurement. The J111_D27Z maintains electrical and mechanical compatibility with active production variants within the J111 series.

Substiute Parts

J111_D27Z
onsemiIn Stock: 977J111_D27Z Datasheet
J111_D27Z
Current Part
J111
onsemiIn Stock: 95408J111 Datasheet
J111
Similar

Key Parameters

Parameter Value Unit
FET Type N-Channel
Voltage - Breakdown (V(BR)GSS) 35 V
Current - Drain (Idss) @ Vds (Vgs=0) 20 mA @ 15 V mA
Voltage - Cutoff (VGS off) @ Id 3 V @ 1 µA V
Resistance - RDS(On) 30 Ohms
Power - Max 625 mW
Operating Temperature -55 to 150 °C (TJ)
Mounting Type Through Hole
Package / Case TO-226-3, TO-92-3 (TO-226AA)

Substitute Part Grouping Explanation

Substitution of the J111_D27Z is determined by electrical parameter equivalence and mechanical compatibility. The primary substitute is the J111 (bulk packaging variant), which maintains identical electrical specifications across all critical parameters: N-Channel configuration, 35 V breakdown voltage, 20 mA drain current at 15 V, 3 V cutoff voltage, 30 Ohm on-resistance, and 625 mW power rating. Both devices operate across the same temperature range (-55°C to 150°C) and use the TO-92-3 through-hole package. The key differentiator is product status: J111_D27Z is obsolete while J111 is active production, making J111 the direct functional equivalent for new designs and ongoing procurement.

Parameter Comparison

Parameter J111_D27Z (Main Part) J111 (Substitute) Match
Manufacturer onsemi onsemi Yes
FET Type N-Channel N-Channel Yes
Voltage - Breakdown (V(BR)GSS) 35 V 35 V Yes
Current - Drain (Idss) @ Vds (Vgs=0) 20 mA @ 15 V 20 mA @ 15 V Yes
Voltage - Cutoff (VGS off) @ Id 3 V @ 1 µA 3 V @ 1 µA Yes
Resistance - RDS(On) 30 Ohms 30 Ohms Yes
Power - Max 625 mW 625 mW Yes
Operating Temperature -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ) Yes
Mounting Type Through Hole Through Hole Yes
Package / Case TO-226-3, TO-92-3 (TO-226AA) TO-226-3, TO-92-3 (TO-226AA) Yes
Product Status Obsolete Active Functional Equivalent

Engineering Selection Recommendations

The J111 serves as the direct substitute for the J111_D27Z based on complete electrical and mechanical parameter alignment. Selection of J111 is supported by its active production status, ensuring long-term availability and supply chain continuity. Both devices carry REACH Unaffected compliance and EAR99 export classification. The J111 in bulk packaging provides equivalent performance with significantly higher inventory availability (95,300 pcs vs. 967 pcs for the obsolete J111_D27Z variant). For applications currently using J111_D27Z, transition to J111 requires no circuit modifications, as all electrical characteristics and package pinouts are identical.

Frequently Asked Questions (FAQ)

Q: Can J111 replace J111_D27Z in existing designs? A: Yes. The J111 is electrically and mechanically identical to J111_D27Z. All electrical parameters, operating temperature range, and TO-92-3 package pinout are equivalent. No circuit redesign is required.

Q: What is the difference between J111_D27Z and J111? A: The primary difference is product status and packaging format. J111_D27Z is obsolete; J111 is active production. J111_D27Z uses a specific device package designation, while J111 is supplied in bulk packaging. Electrical specifications are identical.

Q: Are there any compliance differences between these parts? A: Both J111_D27Z and J111 are REACH Unaffected and classified as EAR99. The J111 carries RoHS3 compliance certification, while J111_D27Z does not specify RoHS status. Both are suitable for industrial and commercial applications.

Q: Is the TO-92-3 package pinout identical between J111_D27Z and J111? A: Yes. Both devices use the TO-226-3 / TO-92-3 (TO-226AA) package with identical pin configuration and lead spacing. Direct PCB footprint compatibility is confirmed.

Q: What inventory considerations apply to these parts? A: J111_D27Z has limited remaining inventory (967 pcs). J111 is in active production with substantially higher availability (95,300 pcs). For new procurement, J111 is the recommended choice for supply chain reliability.

Request Quote (Ships tomorrow)