Isolators

TLP388(GB-TPL,E

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ISOLATORS AND SOLID STATE RELAYS FOR ENHANCED SAFETY AND EFFICIENCY | TOSHIBA, PHOTOCOUPLER (PHOTOTRANSISTOR OUTPUT), DC INPUT, 5000 VRMS, 4PIN SO6L

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DocumentsSelection Guide Isolators and Solid State Relays 2025Rev1.0 Safety standards for photocouplers +5

Isolators

TLP388(GB-TPL,E

Active

Toshiba Semiconductor and Storage

ISOLATORS AND SOLID STATE RELAYS FOR ENHANCED SAFETY AND EFFICIENCY | TOSHIBA, PHOTOCOUPLER (PHOTOTRANSISTOR OUTPUT), DC INPUT, 5000 VRMS, 4PIN SO6L

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DocumentsSelection Guide Isolators and Solid State Relays 2025Rev1.0 Safety standards for photocouplers +5

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	TLP388(GB-TPL,E

Current - DC Forward (If) (Max) [Max]	50 mA
Current - Output / Channel [custom]	50 mA
Current Transfer Ratio (Max) [Max]	600 %
Current Transfer Ratio (Min) [Min]	100 %
Input Type	DC
Mounting Type	Surface Mount
Number of Channels [custom]	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 C
Output Type	Transistor
Package / Case	4 PC Pad, 0.295 "
Package / Case	6-SOIC
Package / Case [custom]	7.5 mm
Rise / Fall Time (Typ)	2 µs, 3 µs
Supplier Device Package	6-SO, 4 Lead
Turn On / Turn Off Time (Typ)	3 µs
Vce Saturation (Max) [Max]	400 mV
Voltage - Forward (Vf) (Typ)	1.25 V
Voltage - Output (Max) [Max]	350 V

TLP388 Series

Isolators and Solid State Relays for Enhanced Safety and Efficiency | Toshiba, Photocoupler (phototransistor output), DC input, 5000 Vrms, 4pin SO6L

Part	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Output (Max) [Max]	Supplier Device Package	Current - Output / Channel [custom]	Vce Saturation (Max) [Max]	Current Transfer Ratio (Max) [Max]	Package / Case [custom]	Package / Case	Package / Case	Input Type	Number of Channels [custom]	Voltage - Forward (Vf) (Typ)	Mounting Type	Current Transfer Ratio (Min)	Current - DC Forward (If) (Max) [Max]	Rise / Fall Time (Typ)	Turn On / Turn Off Time (Typ)	Output Type	Current Transfer Ratio (Min) [Min]
Toshiba Semiconductor and Storage TLP388(TPL,E	-55 C	125 °C	350 V	6-SO 4 Lead	50 mA	400 mV	600 %	7.5 mm	0.295 " 4 PC Pad	6-SOIC	DC	1	1.25 V	Surface Mount	50 %	50 mA	2 µs 3 µs	3 µs	Transistor
Toshiba Semiconductor and Storage TLP388(GB,E	-55 C	125 °C	350 V	6-SO 4 Lead	50 mA	400 mV	600 %	7.5 mm	0.295 " 4 PC Pad	6-SOIC 6-SOIC (0.173" 4.40mm Width) 4 Leads	DC	1	1.25 V	Surface Mount		50 mA	2 µs 3 µs	3 µs	Transistor	100 %
Toshiba Semiconductor and Storage TLP388(GB-TPL,E	-55 C	125 °C	350 V	6-SO 4 Lead	50 mA	400 mV	600 %	7.5 mm	0.295 " 4 PC Pad	6-SOIC	DC	1	1.25 V	Surface Mount		50 mA	2 µs 3 µs	3 µs	Transistor	100 %
Toshiba Semiconductor and Storage TLP388(D4,E	-55 C	125 °C	350 V	6-SO 4 Lead	50 mA	400 mV	600 %	7.5 mm	0.295 " 4 PC Pad	6-SOIC 6-SOIC (0.173" 4.40mm Width) 4 Leads	DC	1	1.25 V	Surface Mount	50 %	50 mA	2 µs 3 µs	3 µs	Transistor
Toshiba Semiconductor and Storage TLP388(D4-TPL,E	-55 C	125 °C	350 V	6-SO 4 Lead	50 mA	400 mV	600 %	7.5 mm	0.295 " 4 PC Pad	6-SOIC	DC	1	1.25 V	Surface Mount	50 %	50 mA	2 µs 3 µs	3 µs	Transistor
Toshiba Semiconductor and Storage TLP388(E	-55 C	125 °C	350 V	6-SO 4 Lead	50 mA	400 mV	600 %	7.5 mm	0.295 " 4 PC Pad	6-SOIC 6-SOIC (0.173" 4.40mm Width) 4 Leads	DC	1	1.25 V	Surface Mount	50 %	50 mA	2 µs 3 µs	3 µs	Transistor
Toshiba Semiconductor and Storage TLP388(D4GB-TL,E	-55 C	125 °C	350 V	6-SO 4 Lead	50 mA	400 mV	600 %	7.5 mm	0.295 " 4 PC Pad	6-SOIC	DC	1	1.25 V	Surface Mount		50 mA	2 µs 3 µs	3 µs	Transistor	100 %
Toshiba Semiconductor and Storage TLP388(D4-GB,E	-55 C	125 °C	350 V	6-SO 4 Lead	50 mA	400 mV	600 %	7.5 mm	0.295 " 4 PC Pad	6-SOIC 6-SOIC (0.173" 4.40mm Width) 4 Leads	DC	1	1.25 V	Surface Mount		50 mA	2 µs 3 µs	3 µs	Transistor	100 %
Toshiba Semiconductor and Storage TLP388(TPR,E	-55 C	125 °C	350 V	6-SO 4 Lead	50 mA	400 mV	600 %	7.5 mm	0.295 " 4 PC Pad	6-SOIC	DC	1	1.25 V	Surface Mount	50 %	50 mA	2 µs 3 µs	3 µs	Transistor

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	8680	$ 0.79
Mouser	N/A	1	$ 0.77
		10	$ 0.51
		100	$ 0.33
		500	$ 0.32
		1000	$ 0.26
		3000	$ 0.24
		9000	$ 0.23
		24000	$ 0.23
		45000	$ 0.23

Description

General part information

TLP388 Series

Isolators and Solid State Relays for Enhanced Safety and Efficiency | Toshiba, Photocoupler (phototransistor output), DC input, 5000 Vrms, 4pin SO6L

Documents

Technical documentation and resources

TLP388(GB-TPL,E

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TLP388(GB-TPL,E

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Technical Specifications

TLP388 Series

Pricing

Description

TLP388 Series

Documents

Selection Guide Isolators and Solid State Relays 2025Rev1.0

Safety standards for photocouplers

Photocouplers and Photorelays

Glossary of Photocoupler and Photorelay Terms

TLP388 Data sheet/Japanese

TLP388 Data sheet/English

Parasitic Oscillation and Ringing of Power MOSFETs

TLP388 Series